booking: ability to edit more guest info

app/src/main/java/com/android/trisolarispms/core/booking/BookingProfileOptions.kt

@@ -0,0 +1,22 @@
+package com.android.trisolarispms.core.booking
+
+object BookingProfileOptions {
+    val memberRelations: List<String> = listOf(
+        "FRIENDS",
+        "FAMILY",
+        "GROUP",
+        "ALONE"
+    )
+
+    val transportModes: List<String> = listOf(
+        "",
+        "CAR",
+        "BIKE",
+        "TRAIN",
+        "PLANE",
+        "BUS",
+        "FOOT",
+        "CYCLE",
+        "OTHER"
+    )
+}

app/src/main/java/com/android/trisolarispms/core/viewmodel/CitySearchController.kt

@@ -0,0 +1,51 @@
+package com.android.trisolarispms.core.viewmodel
+
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+
+class CitySearchController(
+    private val scope: CoroutineScope,
+    private val onUpdate: (isLoading: Boolean, suggestions: List<String>) -> Unit,
+    private val search: suspend (query: String, limit: Int) -> List<String>,
+    private val minQueryLength: Int = 2,
+    private val defaultLimit: Int = 20,
+    private val debounceMs: Long = 300L
+) {
+    private var job: Job? = null
+
+    fun onQueryChanged(rawQuery: String) {
+        val query = rawQuery.trim()
+        job?.cancel()
+        if (query.length < minQueryLength) {
+            onUpdate(false, emptyList())
+            return
+        }
+
+        job = scope.launch {
+            delay(debounceMs)
+            if (!isActive) return@launch
+            onUpdate(true, emptyList())
+            try {
+                val suggestions = search(query, defaultLimit)
+                if (isActive) {
+                    onUpdate(false, suggestions)
+                }
+            } catch (e: CancellationException) {
+                throw e
+            } catch (_: Exception) {
+                if (isActive) {
+                    onUpdate(false, emptyList())
+                }
+            }
+        }
+    }
+
+    fun cancel() {
+        job?.cancel()
+        job = null
+    }
+}

app/src/main/java/com/android/trisolarispms/data/api/core/ApiService.kt

@@ -8,6 +8,7 @@ import com.android.trisolarispms.data.api.service.CancellationPolicyApi
 import com.android.trisolarispms.data.api.service.CardApi
 import com.android.trisolarispms.data.api.service.GuestApi
 import com.android.trisolarispms.data.api.service.GuestDocumentApi
+import com.android.trisolarispms.data.api.service.GeoApi
 import com.android.trisolarispms.data.api.service.ImageTagApi
 import com.android.trisolarispms.data.api.service.InboundEmailApi
 import com.android.trisolarispms.data.api.service.PropertyApi
@@ -33,6 +34,7 @@ interface ApiService :
     CardApi,
     GuestApi,
     GuestDocumentApi,
+    GeoApi,
     TransportApi,
     InboundEmailApi,
     AmenityApi,

app/src/main/java/com/android/trisolarispms/data/api/core/GeoSearchRepository.kt

@@ -0,0 +1,30 @@
+package com.android.trisolarispms.data.api.core
+
+import com.google.gson.JsonElement
+
+object GeoSearchRepository {
+    suspend fun searchCityDisplayValues(
+        query: String,
+        limit: Int = 20
+    ): List<String> {
+        val response = ApiClient.create().searchCities(query = query, limit = limit)
+        if (!response.isSuccessful) return emptyList()
+        return response.body()
+            .orEmpty()
+            .mapNotNull(::extractCityDisplayValue)
+            .distinct()
+    }
+}
+
+private fun extractCityDisplayValue(element: JsonElement): String? {
+    if (element.isJsonPrimitive && element.asJsonPrimitive.isString) {
+        return element.asString.trim().ifBlank { null }
+    }
+    if (!element.isJsonObject) return null
+
+    val obj = element.asJsonObject
+    val city = obj.get("city")?.takeIf { it.isJsonPrimitive }?.asString?.trim()?.ifBlank { null }
+        ?: return null
+    val state = obj.get("state")?.takeIf { it.isJsonPrimitive }?.asString?.trim()?.ifBlank { null }
+    return if (state == null) city else "$city, $state"
+}

app/src/main/java/com/android/trisolarispms/data/api/model/GeoModels.kt

@@ -0,0 +1,6 @@
+package com.android.trisolarispms.data.api.model
+
+data class CitySearchItemDto(
+    val city: String? = null,
+    val state: String? = null
+)

app/src/main/java/com/android/trisolarispms/data/api/model/GuestModels.kt

@@ -1,11 +1,14 @@
 package com.android.trisolarispms.data.api.model
 
+import com.google.gson.annotations.SerializedName
+
 data class GuestDto(
     val id: String? = null,
     val name: String? = null,
     val phoneE164: String? = null,
+    @SerializedName(value = "dob", alternate = ["age"])
+    val dob: String? = null,
     val nationality: String? = null,
-    val age: String? = null,
     val addressText: String? = null,
     val vehicleNumbers: List<String> = emptyList(),
     val averageScore: Double? = null

app/src/main/java/com/android/trisolarispms/data/api/service/BookingApi.kt

@@ -20,6 +20,7 @@ import com.android.trisolarispms.data.api.model.BookingRoomRequestCreateRequest
 import com.android.trisolarispms.data.api.model.BookingDetailsResponse
 import com.android.trisolarispms.data.api.model.BookingBalanceResponse
 import com.android.trisolarispms.data.api.model.BookingBillingPolicyUpdateRequest
+import com.google.gson.JsonObject
 import com.android.trisolarispms.data.api.model.RazorpayQrEventDto
 import com.android.trisolarispms.data.api.model.RazorpayRequestListItemDto
 import com.android.trisolarispms.data.api.model.RazorpayQrRequest
@@ -65,6 +66,13 @@ interface BookingApi {
         @Body body: BookingExpectedDatesRequest
     ): Response<Unit>
 
+    @POST("properties/{propertyId}/bookings/{bookingId}/profile")
+    suspend fun updateBookingProfile(
+        @Path("propertyId") propertyId: String,
+        @Path("bookingId") bookingId: String,
+        @Body body: JsonObject
+    ): Response<Unit>
+
     @POST("properties/{propertyId}/bookings/{bookingId}/room-requests")
     suspend fun createRoomRequest(
         @Path("propertyId") propertyId: String,

app/src/main/java/com/android/trisolarispms/data/api/service/GeoApi.kt

@@ -0,0 +1,20 @@
+package com.android.trisolarispms.data.api.service
+
+import com.google.gson.JsonElement
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface GeoApi {
+    @GET("geo/cities/search")
+    suspend fun searchCities(
+        @Query("q") query: String,
+        @Query("limit") limit: Int = 20
+    ): Response<List<JsonElement>>
+
+    @GET("geo/countries/search")
+    suspend fun searchCountries(
+        @Query("q") query: String,
+        @Query("limit") limit: Int = 20
+    ): Response<List<String>>
+}

app/src/main/java/com/android/trisolarispms/ui/auth/AuthScreen.kt

@@ -30,26 +30,16 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.ExposedDropdownMenuBox
-import androidx.compose.material3.ExposedDropdownMenuDefaults
-import androidx.compose.material3.DropdownMenuItem
-import androidx.compose.material3.ExperimentalMaterial3Api
-import com.android.trisolarispms.ui.booking.findPhoneCountryOption
-import com.android.trisolarispms.ui.booking.phoneCountryOptions
+import com.android.trisolarispms.ui.common.PhoneNumberCountryField
 import kotlinx.coroutines.delay
 
-@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun AuthScreen(viewModel: AuthViewModel = viewModel()) {
     val state by viewModel.state.collectAsState()
     val context = LocalContext.current
     val activity = context as? ComponentActivity
-    val phoneCountryMenuExpanded = remember { mutableStateOf(false) }
-    val phoneCountries = remember { phoneCountryOptions() }
-    val phoneCountrySearch = remember { mutableStateOf("") }
     val now = remember { mutableStateOf(System.currentTimeMillis()) }
     val hasNetwork = remember(context, state.error) { hasInternetConnection(context) }
     val noNetworkError = state.error?.contains("No internet connection", ignoreCase = true) == true
@@ -97,69 +87,12 @@ fun AuthScreen(viewModel: AuthViewModel = viewModel()) {
         Text(text = "Sign in", style = MaterialTheme.typography.headlineMedium)
         Spacer(modifier = Modifier.height(16.dp))
 
-        val selectedCountry = findPhoneCountryOption(state.phoneCountryCode)
-        Row(
-            modifier = Modifier.fillMaxWidth(),
-            horizontalArrangement = Arrangement.spacedBy(8.dp)
-        ) {
-            ExposedDropdownMenuBox(
-                expanded = phoneCountryMenuExpanded.value,
-                onExpandedChange = { phoneCountryMenuExpanded.value = !phoneCountryMenuExpanded.value },
-                modifier = Modifier.weight(0.35f)
-            ) {
-                OutlinedTextField(
-                    value = "${selectedCountry.code} +${selectedCountry.dialCode}",
-                    onValueChange = {},
-                    readOnly = true,
-                    label = { Text("Country") },
-                    trailingIcon = {
-                        ExposedDropdownMenuDefaults.TrailingIcon(expanded = phoneCountryMenuExpanded.value)
-                    },
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .menuAnchor()
-                )
-                ExposedDropdownMenu(
-                    expanded = phoneCountryMenuExpanded.value,
-                    onDismissRequest = { phoneCountryMenuExpanded.value = false }
-                ) {
-                    OutlinedTextField(
-                        value = phoneCountrySearch.value,
-                        onValueChange = { phoneCountrySearch.value = it },
-                        label = { Text("Search") },
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .padding(8.dp)
-                    )
-                    val filtered = phoneCountries.filter { option ->
-                        val query = phoneCountrySearch.value.trim()
-                        if (query.isBlank()) true
-                        else option.name.contains(query, ignoreCase = true) ||
-                            option.code.contains(query, ignoreCase = true) ||
-                            option.dialCode.contains(query)
-                    }
-                    filtered.forEach { option ->
-                        DropdownMenuItem(
-                            text = { Text("${option.name} (+${option.dialCode})") },
-                            onClick = {
-                                phoneCountryMenuExpanded.value = false
-                                phoneCountrySearch.value = ""
-                                viewModel.onPhoneCountryChange(option.code)
-                            }
-                        )
-                    }
-                }
-            }
-            OutlinedTextField(
-                value = state.phoneNationalNumber,
-                onValueChange = viewModel::onPhoneNationalNumberChange,
-                label = { Text("Number") },
-                prefix = { Text("+${selectedCountry.dialCode}") },
-                supportingText = { Text("Max ${selectedCountry.maxLength} digits") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
-                modifier = Modifier.weight(0.65f)
-            )
-        }
+        PhoneNumberCountryField(
+            phoneCountryCode = state.phoneCountryCode,
+            onPhoneCountryCodeChange = viewModel::onPhoneCountryChange,
+            phoneNationalNumber = state.phoneNationalNumber,
+            onPhoneNationalNumberChange = viewModel::onPhoneNationalNumberChange
+        )
         Spacer(modifier = Modifier.height(12.dp))
 
         val canResend = state.resendAvailableAt?.let { now.value >= it } ?: true

app/src/main/java/com/android/trisolarispms/ui/booking/BookingCreateScreen.kt

@@ -31,7 +31,10 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.android.trisolarispms.core.booking.BookingProfileOptions
+import com.android.trisolarispms.ui.common.CityAutocompleteField
 import com.android.trisolarispms.data.api.model.BookingBillingMode
+import com.android.trisolarispms.ui.common.PhoneNumberCountryField
 import com.android.trisolarispms.ui.common.SaveTopBarScaffold
 import java.time.LocalDate
 import java.time.OffsetDateTime
@@ -55,15 +58,10 @@ fun BookingCreateScreen(
     val checkInTime = remember { mutableStateOf("12:00") }
     val checkOutTime = remember { mutableStateOf("11:00") }
     val relationMenuExpanded = remember { mutableStateOf(false) }
-    val relationOptions = listOf("FRIENDS", "FAMILY", "GROUP", "ALONE")
     val transportMenuExpanded = remember { mutableStateOf(false) }
-    val transportOptions = listOf("", "CAR", "BIKE", "TRAIN", "PLANE", "BUS", "FOOT", "CYCLE", "OTHER")
     val billingModeMenuExpanded = remember { mutableStateOf(false) }
     val displayFormatter = remember { DateTimeFormatter.ofPattern("dd-MM-yy HH:mm") }
     val timeFormatter = remember { DateTimeFormatter.ofPattern("HH:mm") }
-    val phoneCountryMenuExpanded = remember { mutableStateOf(false) }
-    val phoneCountries = remember { phoneCountryOptions() }
-    val phoneCountrySearch = remember { mutableStateOf("") }
 
     val applyCheckInSelection: (LocalDate, String) -> Unit = { date, time ->
         checkInDate.value = date
@@ -226,85 +224,31 @@ fun BookingCreateScreen(
                 }
             }
             Spacer(modifier = Modifier.height(6.dp))
-            Row(
-                modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.spacedBy(8.dp),
-                verticalAlignment = Alignment.Top
-            ) {
-                ExposedDropdownMenuBox(
-                    expanded = phoneCountryMenuExpanded.value,
-                    onExpandedChange = { phoneCountryMenuExpanded.value = !phoneCountryMenuExpanded.value },
-                    modifier = Modifier.weight(0.3f)
-                ) {
-                    OutlinedTextField(
-                        value = "${selectedCountry.code} +${selectedCountry.dialCode}",
-                        onValueChange = {},
-                        readOnly = true,
-                        label = { Text("Country") },
-                        trailingIcon = {
-                            ExposedDropdownMenuDefaults.TrailingIcon(expanded = phoneCountryMenuExpanded.value)
-                        },
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .menuAnchor()
-                    )
-                    ExposedDropdownMenu(
-                        expanded = phoneCountryMenuExpanded.value,
-                        onDismissRequest = { phoneCountryMenuExpanded.value = false }
-                    ) {
-                        OutlinedTextField(
-                            value = phoneCountrySearch.value,
-                            onValueChange = { phoneCountrySearch.value = it },
-                            label = { Text("Search") },
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .padding(8.dp)
-                        )
-                        val filteredCountries = phoneCountries.filter { option ->
-                            val query = phoneCountrySearch.value.trim()
-                            if (query.isBlank()) {
-                                true
-                            } else {
-                                option.name.contains(query, ignoreCase = true) ||
-                                    option.code.contains(query, ignoreCase = true) ||
-                                    option.dialCode.contains(query)
-                            }
-                        }
-                        filteredCountries.forEach { option ->
-                            DropdownMenuItem(
-                                text = { Text("${option.name} (+${option.dialCode})") },
-                                onClick = {
-                                    phoneCountryMenuExpanded.value = false
-                                    phoneCountrySearch.value = ""
-                                    viewModel.onPhoneCountryChange(option.code)
-                                }
-                            )
-                        }
-                    }
-                }
-                OutlinedTextField(
-                    value = state.phoneNationalNumber,
-                    onValueChange = viewModel::onPhoneNationalNumberChange,
-                    label = { Text("Number") },
-                    prefix = { Text("+${selectedCountry.dialCode}") },
-                    supportingText = { Text("Max ${selectedCountry.maxLength} digits") },
-                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
-                    modifier = Modifier.weight(0.7f)
-                )
-            }
-            Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
-                value = state.fromCity,
-                onValueChange = viewModel::onFromCityChange,
-                label = { Text("From City (optional)") },
-                modifier = Modifier.fillMaxWidth()
+            PhoneNumberCountryField(
+                phoneCountryCode = state.phoneCountryCode,
+                onPhoneCountryCodeChange = viewModel::onPhoneCountryChange,
+                phoneNationalNumber = state.phoneNationalNumber,
+                onPhoneNationalNumberChange = viewModel::onPhoneNationalNumberChange,
+                countryWeight = 0.3f,
+                numberWeight = 0.7f
             )
             Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
+            CityAutocompleteField(
+                value = state.fromCity,
+                onValueChange = viewModel::onFromCityChange,
+                label = "From City (optional)",
+                suggestions = state.fromCitySuggestions,
+                isLoading = state.isFromCitySearchLoading,
+                onSuggestionSelected = viewModel::onFromCitySuggestionSelected
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+            CityAutocompleteField(
                 value = state.toCity,
                 onValueChange = viewModel::onToCityChange,
-                label = { Text("To City (optional)") },
-                modifier = Modifier.fillMaxWidth()
+                label = "To City (optional)",
+                suggestions = state.toCitySuggestions,
+                isLoading = state.isToCitySearchLoading,
+                onSuggestionSelected = viewModel::onToCitySuggestionSelected
             )
             Spacer(modifier = Modifier.height(12.dp))
             ExposedDropdownMenuBox(
@@ -327,7 +271,7 @@ fun BookingCreateScreen(
                     expanded = relationMenuExpanded.value,
                     onDismissRequest = { relationMenuExpanded.value = false }
                 ) {
-                    relationOptions.forEach { option ->
+                    BookingProfileOptions.memberRelations.forEach { option ->
                         DropdownMenuItem(
                             text = { Text(option) },
                             onClick = {
@@ -359,7 +303,7 @@ fun BookingCreateScreen(
                     expanded = transportMenuExpanded.value,
                     onDismissRequest = { transportMenuExpanded.value = false }
                 ) {
-                    transportOptions.forEach { option ->
+                    BookingProfileOptions.transportModes.forEach { option ->
                         val optionLabel = option.ifBlank { "Not set" }
                         DropdownMenuItem(
                             text = { Text(optionLabel) },

app/src/main/java/com/android/trisolarispms/ui/booking/BookingCreateState.kt

@@ -14,7 +14,11 @@ data class BookingCreateState(
     val billingCheckoutTime: String = "",
     val source: String = "",
     val fromCity: String = "",
+    val fromCitySuggestions: List<String> = emptyList(),
+    val isFromCitySearchLoading: Boolean = false,
     val toCity: String = "",
+    val toCitySuggestions: List<String> = emptyList(),
+    val isToCitySearchLoading: Boolean = false,
     val memberRelation: String = "",
     val transportMode: String = "CAR",
     val isTransportModeAuto: Boolean = true,

app/src/main/java/com/android/trisolarispms/ui/booking/BookingCreateViewModel.kt

@@ -3,7 +3,9 @@ package com.android.trisolarispms.ui.booking
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.android.trisolarispms.core.booking.isFutureBookingCheckIn
+import com.android.trisolarispms.core.viewmodel.CitySearchController
 import com.android.trisolarispms.data.api.core.ApiClient
+import com.android.trisolarispms.data.api.core.GeoSearchRepository
 import com.android.trisolarispms.data.api.model.BookingBillingMode
 import com.android.trisolarispms.data.api.model.BookingCreateRequest
 import com.android.trisolarispms.data.api.model.BookingCreateResponse
@@ -23,9 +25,39 @@ class BookingCreateViewModel : ViewModel() {
     private val _state = MutableStateFlow(BookingCreateState())
     val state: StateFlow<BookingCreateState> = _state
     private var expectedCheckoutPreviewRequestId: Long = 0
+    private val fromCitySearch = CitySearchController(
+        scope = viewModelScope,
+        onUpdate = { isLoading, suggestions ->
+            _state.update {
+                it.copy(
+                    isFromCitySearchLoading = isLoading,
+                    fromCitySuggestions = suggestions
+                )
+            }
+        },
+        search = { query, limit ->
+            GeoSearchRepository.searchCityDisplayValues(query = query, limit = limit)
+        }
+    )
+    private val toCitySearch = CitySearchController(
+        scope = viewModelScope,
+        onUpdate = { isLoading, suggestions ->
+            _state.update {
+                it.copy(
+                    isToCitySearchLoading = isLoading,
+                    toCitySuggestions = suggestions
+                )
+            }
+        },
+        search = { query, limit ->
+            GeoSearchRepository.searchCityDisplayValues(query = query, limit = limit)
+        }
+    )
 
     fun reset() {
         expectedCheckoutPreviewRequestId = 0
+        fromCitySearch.cancel()
+        toCitySearch.cancel()
         _state.value = BookingCreateState()
     }
 
@@ -194,10 +226,36 @@ class BookingCreateViewModel : ViewModel() {
 
     fun onFromCityChange(value: String) {
         _state.update { it.copy(fromCity = value, error = null) }
+        fromCitySearch.onQueryChanged(value)
     }
 
     fun onToCityChange(value: String) {
         _state.update { it.copy(toCity = value, error = null) }
+        toCitySearch.onQueryChanged(value)
+    }
+
+    fun onFromCitySuggestionSelected(value: String) {
+        fromCitySearch.cancel()
+        _state.update {
+            it.copy(
+                fromCity = value,
+                fromCitySuggestions = emptyList(),
+                isFromCitySearchLoading = false,
+                error = null
+            )
+        }
+    }
+
+    fun onToCitySuggestionSelected(value: String) {
+        toCitySearch.cancel()
+        _state.update {
+            it.copy(
+                toCity = value,
+                toCitySuggestions = emptyList(),
+                isToCitySearchLoading = false,
+                error = null
+            )
+        }
     }
 
     fun onMemberRelationChange(value: String) {

app/src/main/java/com/android/trisolarispms/ui/common/CityAutocompleteField.kt

@@ -0,0 +1,89 @@
+package com.android.trisolarispms.ui.common
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuAnchorType
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun CityAutocompleteField(
+    value: String,
+    onValueChange: (String) -> Unit,
+    label: String,
+    suggestions: List<String>,
+    isLoading: Boolean,
+    onSuggestionSelected: (String) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val expanded = remember { mutableStateOf(false) }
+    val query = value.trim()
+    val canShowMenu = expanded.value && (isLoading || suggestions.isNotEmpty() || query.length >= 2)
+
+    ExposedDropdownMenuBox(
+        expanded = canShowMenu,
+        onExpandedChange = { expanded.value = it }
+    ) {
+        OutlinedTextField(
+            value = value,
+            onValueChange = { input ->
+                onValueChange(input)
+                expanded.value = input.trim().length >= 2
+            },
+            label = { Text(label) },
+            supportingText = {
+                if (query.length < 2) {
+                    Text("Type at least 2 letters")
+                }
+            },
+            trailingIcon = {
+                ExposedDropdownMenuDefaults.TrailingIcon(
+                    expanded = expanded.value && (isLoading || suggestions.isNotEmpty())
+                )
+            },
+            modifier = modifier
+                .fillMaxWidth()
+                .menuAnchor(
+                    type = ExposedDropdownMenuAnchorType.PrimaryEditable,
+                    enabled = true
+                ),
+            singleLine = true
+        )
+        ExposedDropdownMenu(
+            expanded = canShowMenu,
+            onDismissRequest = { expanded.value = false }
+        ) {
+            if (isLoading) {
+                DropdownMenuItem(
+                    text = { Text("Searching...") },
+                    onClick = {},
+                    enabled = false
+                )
+            } else if (query.length >= 2 && suggestions.isEmpty()) {
+                DropdownMenuItem(
+                    text = { Text("No cities found") },
+                    onClick = {},
+                    enabled = false
+                )
+            } else {
+                suggestions.forEach { option ->
+                    DropdownMenuItem(
+                        text = { Text(option) },
+                        onClick = {
+                            expanded.value = false
+                            onSuggestionSelected(option)
+                        }
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/common/PhoneNumberCountryField.kt

@@ -0,0 +1,112 @@
+package com.android.trisolarispms.ui.common
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.ExposedDropdownMenuAnchorType
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import com.android.trisolarispms.ui.booking.findPhoneCountryOption
+import com.android.trisolarispms.ui.booking.phoneCountryOptions
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun PhoneNumberCountryField(
+    phoneCountryCode: String,
+    onPhoneCountryCodeChange: (String) -> Unit,
+    phoneNationalNumber: String,
+    onPhoneNationalNumberChange: (String) -> Unit,
+    modifier: Modifier = Modifier,
+    countryLabel: String = "Country",
+    numberLabel: String = "Number",
+    countryWeight: Float = 0.35f,
+    numberWeight: Float = 0.65f
+) {
+    val phoneCountryMenuExpanded = remember { mutableStateOf(false) }
+    val phoneCountrySearch = remember { mutableStateOf("") }
+    val phoneCountries = remember { phoneCountryOptions() }
+    val selectedCountry = findPhoneCountryOption(phoneCountryCode)
+
+    Row(
+        modifier = modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+        verticalAlignment = Alignment.Top
+    ) {
+        ExposedDropdownMenuBox(
+            expanded = phoneCountryMenuExpanded.value,
+            onExpandedChange = { phoneCountryMenuExpanded.value = !phoneCountryMenuExpanded.value },
+            modifier = Modifier.weight(countryWeight)
+        ) {
+            OutlinedTextField(
+                value = "${selectedCountry.code} +${selectedCountry.dialCode}",
+                onValueChange = {},
+                readOnly = true,
+                label = { Text(countryLabel) },
+                trailingIcon = {
+                    ExposedDropdownMenuDefaults.TrailingIcon(expanded = phoneCountryMenuExpanded.value)
+                },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .menuAnchor(
+                        type = ExposedDropdownMenuAnchorType.PrimaryNotEditable,
+                        enabled = true
+                    ),
+                singleLine = true
+            )
+            ExposedDropdownMenu(
+                expanded = phoneCountryMenuExpanded.value,
+                onDismissRequest = { phoneCountryMenuExpanded.value = false }
+            ) {
+                OutlinedTextField(
+                    value = phoneCountrySearch.value,
+                    onValueChange = { phoneCountrySearch.value = it },
+                    label = { Text("Search") },
+                    modifier = Modifier.fillMaxWidth()
+                )
+                val filtered = phoneCountries.filter { option ->
+                    val query = phoneCountrySearch.value.trim()
+                    if (query.isBlank()) {
+                        true
+                    } else {
+                        option.name.contains(query, ignoreCase = true) ||
+                            option.code.contains(query, ignoreCase = true) ||
+                            option.dialCode.contains(query)
+                    }
+                }
+                filtered.forEach { option ->
+                    DropdownMenuItem(
+                        text = { Text("${option.name} (+${option.dialCode})") },
+                        onClick = {
+                            phoneCountryMenuExpanded.value = false
+                            phoneCountrySearch.value = ""
+                            onPhoneCountryCodeChange(option.code)
+                        }
+                    )
+                }
+            }
+        }
+
+        OutlinedTextField(
+            value = phoneNationalNumber,
+            onValueChange = onPhoneNationalNumberChange,
+            label = { Text(numberLabel) },
+            prefix = { Text("+${selectedCountry.dialCode}") },
+            supportingText = { Text("Max ${selectedCountry.maxLength} digits") },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Phone),
+            modifier = Modifier.weight(numberWeight),
+            singleLine = true
+        )
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/common/ScreenChrome.kt

@@ -9,6 +9,8 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.filled.Done
@@ -89,13 +91,20 @@ fun SaveTopBarScaffold(
 fun PaddedScreenColumn(
     padding: PaddingValues,
     contentPadding: Dp = 24.dp,
+    scrollable: Boolean = false,
     content: @Composable ColumnScope.() -> Unit
 ) {
+    val baseModifier = Modifier
+        .fillMaxSize()
+        .padding(padding)
+        .padding(contentPadding)
+    val scrollModifier = if (scrollable) {
+        baseModifier.verticalScroll(rememberScrollState())
+    } else {
+        baseModifier
+    }
     Column(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(padding)
-            .padding(contentPadding),
+        modifier = scrollModifier,
         verticalArrangement = Arrangement.Top,
         content = content
     )

app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoFormFields.kt

@@ -0,0 +1,396 @@
+package com.android.trisolarispms.ui.guest
+
+import android.app.DatePickerDialog
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.CalendarMonth
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.ExposedDropdownMenuBox
+import androidx.compose.material3.ExposedDropdownMenuAnchorType
+import androidx.compose.material3.ExposedDropdownMenuDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.TextRange
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.text.input.TextFieldValue
+import androidx.compose.ui.unit.dp
+import com.android.trisolarispms.core.booking.BookingProfileOptions
+import com.android.trisolarispms.ui.common.CityAutocompleteField
+import com.android.trisolarispms.ui.common.PhoneNumberCountryField
+import java.time.LocalDate
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun GuestInfoFormFields(
+    phoneCountryCode: String,
+    onPhoneCountryCodeChange: (String) -> Unit,
+    phoneNationalNumber: String,
+    onPhoneNationalNumberChange: (String) -> Unit,
+    name: String,
+    onNameChange: (String) -> Unit,
+    nationality: String,
+    onNationalityChange: (String) -> Unit,
+    nationalitySuggestions: List<String>,
+    isNationalitySearchLoading: Boolean,
+    onNationalitySuggestionSelected: (String) -> Unit,
+    age: String,
+    onAgeChange: (String) -> Unit,
+    addressText: String,
+    onAddressChange: (String) -> Unit,
+    fromCity: String,
+    onFromCityChange: (String) -> Unit,
+    fromCitySuggestions: List<String>,
+    isFromCitySearchLoading: Boolean,
+    onFromCitySuggestionSelected: (String) -> Unit,
+    toCity: String,
+    onToCityChange: (String) -> Unit,
+    toCitySuggestions: List<String>,
+    isToCitySearchLoading: Boolean,
+    onToCitySuggestionSelected: (String) -> Unit,
+    memberRelation: String,
+    onMemberRelationChange: (String) -> Unit,
+    transportMode: String,
+    onTransportModeChange: (String) -> Unit,
+    childCount: String,
+    onChildCountChange: (String) -> Unit,
+    maleCount: String,
+    onMaleCountChange: (String) -> Unit,
+    femaleCount: String,
+    onFemaleCountChange: (String) -> Unit,
+    vehicleNumbers: List<String>
+) {
+    val showDobPicker = remember { mutableStateOf(false) }
+    val nationalityMenuExpanded = remember { mutableStateOf(false) }
+    val relationMenuExpanded = remember { mutableStateOf(false) }
+    val transportMenuExpanded = remember { mutableStateOf(false) }
+    val dobFormatter = remember { DateTimeFormatter.ofPattern("dd/MM/yyyy") }
+    val transportOptions = remember(vehicleNumbers) {
+        if (vehicleNumbers.isNotEmpty()) {
+            listOf("", "CAR", "BIKE")
+        } else {
+            BookingProfileOptions.transportModes
+        }
+    }
+    var dobFieldValue by remember {
+        mutableStateOf(TextFieldValue(text = age, selection = TextRange(age.length)))
+    }
+
+    LaunchedEffect(age) {
+        if (age != dobFieldValue.text) {
+            dobFieldValue = TextFieldValue(text = age, selection = TextRange(age.length))
+        }
+    }
+
+    Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
+        PhoneNumberCountryField(
+            phoneCountryCode = phoneCountryCode,
+            onPhoneCountryCodeChange = onPhoneCountryCodeChange,
+            phoneNationalNumber = phoneNationalNumber,
+            onPhoneNationalNumberChange = onPhoneNationalNumberChange,
+            numberLabel = "Phone (optional)"
+        )
+        OutlinedTextField(
+            value = name,
+            onValueChange = onNameChange,
+            label = { Text("Name (optional)") },
+            modifier = Modifier.fillMaxWidth(),
+            singleLine = true
+        )
+        ExposedDropdownMenuBox(
+            expanded = nationalityMenuExpanded.value &&
+                (isNationalitySearchLoading || nationalitySuggestions.isNotEmpty() || nationality.trim().length >= 3),
+            onExpandedChange = { nationalityMenuExpanded.value = it }
+        ) {
+            OutlinedTextField(
+                value = nationality,
+                onValueChange = { value ->
+                    onNationalityChange(value)
+                    nationalityMenuExpanded.value = value.trim().length >= 3
+                },
+                label = { Text("Nationality (optional)") },
+                supportingText = {
+                    if (nationality.trim().length < 3) {
+                        Text("Type at least 3 letters")
+                    }
+                },
+                trailingIcon = {
+                    ExposedDropdownMenuDefaults.TrailingIcon(
+                        expanded = nationalityMenuExpanded.value &&
+                            (isNationalitySearchLoading || nationalitySuggestions.isNotEmpty())
+                    )
+                },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .menuAnchor(
+                        type = ExposedDropdownMenuAnchorType.PrimaryEditable,
+                        enabled = true
+                    ),
+                singleLine = true
+            )
+            ExposedDropdownMenu(
+                expanded = nationalityMenuExpanded.value &&
+                    (isNationalitySearchLoading || nationalitySuggestions.isNotEmpty() || nationality.trim().length >= 3),
+                onDismissRequest = { nationalityMenuExpanded.value = false }
+            ) {
+                if (isNationalitySearchLoading) {
+                    DropdownMenuItem(
+                        text = { Text("Searching...") },
+                        onClick = {},
+                        enabled = false
+                    )
+                } else if (nationality.trim().length >= 3 && nationalitySuggestions.isEmpty()) {
+                    DropdownMenuItem(
+                        text = { Text("No countries found") },
+                        onClick = {},
+                        enabled = false
+                    )
+                } else {
+                    nationalitySuggestions.forEach { suggestion ->
+                        DropdownMenuItem(
+                            text = {
+                                Text(suggestion)
+                            },
+                            onClick = {
+                                nationalityMenuExpanded.value = false
+                                onNationalitySuggestionSelected(suggestion)
+                            }
+                        )
+                    }
+                }
+            }
+        }
+        OutlinedTextField(
+            value = dobFieldValue,
+            onValueChange = { input ->
+                val formatted = formatDobInput(input.text)
+                dobFieldValue = TextFieldValue(
+                    text = formatted,
+                    selection = TextRange(formatted.length)
+                )
+                if (formatted != age) onAgeChange(formatted)
+            },
+            label = { Text("DOB (dd/MM/yyyy)") },
+            trailingIcon = {
+                Icon(
+                    imageVector = Icons.Default.CalendarMonth,
+                    contentDescription = "Pick DOB",
+                    modifier = Modifier.clickable { showDobPicker.value = true }
+                )
+            },
+            modifier = Modifier.fillMaxWidth(),
+            singleLine = true,
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number)
+        )
+        OutlinedTextField(
+            value = addressText,
+            onValueChange = onAddressChange,
+            label = { Text("Address (optional)") },
+            modifier = Modifier.fillMaxWidth()
+        )
+        CityAutocompleteField(
+            value = fromCity,
+            onValueChange = onFromCityChange,
+            label = "From City (optional)",
+            suggestions = fromCitySuggestions,
+            isLoading = isFromCitySearchLoading,
+            onSuggestionSelected = onFromCitySuggestionSelected
+        )
+        CityAutocompleteField(
+            value = toCity,
+            onValueChange = onToCityChange,
+            label = "To City (optional)",
+            suggestions = toCitySuggestions,
+            isLoading = isToCitySearchLoading,
+            onSuggestionSelected = onToCitySuggestionSelected
+        )
+        ExposedDropdownMenuBox(
+            expanded = relationMenuExpanded.value,
+            onExpandedChange = { relationMenuExpanded.value = !relationMenuExpanded.value }
+        ) {
+            OutlinedTextField(
+                value = memberRelation.ifBlank { "Not set" },
+                onValueChange = {},
+                readOnly = true,
+                label = { Text("Member Relation") },
+                trailingIcon = {
+                    ExposedDropdownMenuDefaults.TrailingIcon(expanded = relationMenuExpanded.value)
+                },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .menuAnchor(
+                        type = ExposedDropdownMenuAnchorType.PrimaryNotEditable,
+                        enabled = true
+                    )
+            )
+            ExposedDropdownMenu(
+                expanded = relationMenuExpanded.value,
+                onDismissRequest = { relationMenuExpanded.value = false }
+            ) {
+                DropdownMenuItem(
+                    text = { Text("Not set") },
+                    onClick = {
+                        relationMenuExpanded.value = false
+                        onMemberRelationChange("")
+                    }
+                )
+                BookingProfileOptions.memberRelations.forEach { option ->
+                    DropdownMenuItem(
+                        text = { Text(option) },
+                        onClick = {
+                            relationMenuExpanded.value = false
+                            onMemberRelationChange(option)
+                        }
+                    )
+                }
+            }
+        }
+        ExposedDropdownMenuBox(
+            expanded = transportMenuExpanded.value,
+            onExpandedChange = { transportMenuExpanded.value = !transportMenuExpanded.value }
+        ) {
+            OutlinedTextField(
+                value = transportMode.ifBlank { "Not set" },
+                onValueChange = {},
+                readOnly = true,
+                label = { Text("Transport Mode") },
+                trailingIcon = {
+                    ExposedDropdownMenuDefaults.TrailingIcon(expanded = transportMenuExpanded.value)
+                },
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .menuAnchor(
+                        type = ExposedDropdownMenuAnchorType.PrimaryNotEditable,
+                        enabled = true
+                    )
+            )
+            ExposedDropdownMenu(
+                expanded = transportMenuExpanded.value,
+                onDismissRequest = { transportMenuExpanded.value = false }
+            ) {
+                transportOptions.forEach { option ->
+                    DropdownMenuItem(
+                        text = { Text(option.ifBlank { "Not set" }) },
+                        onClick = {
+                            transportMenuExpanded.value = false
+                            onTransportModeChange(option)
+                        }
+                    )
+                }
+            }
+        }
+        OutlinedTextField(
+            value = childCount,
+            onValueChange = onChildCountChange,
+            label = { Text("Child Count (optional)") },
+            keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+            modifier = Modifier.fillMaxWidth(),
+            singleLine = true
+        )
+        Row(
+            horizontalArrangement = Arrangement.spacedBy(12.dp),
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            OutlinedTextField(
+                value = maleCount,
+                onValueChange = onMaleCountChange,
+                label = { Text("Male Count (optional)") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.weight(1f),
+                singleLine = true
+            )
+            OutlinedTextField(
+                value = femaleCount,
+                onValueChange = onFemaleCountChange,
+                label = { Text("Female Count (optional)") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.weight(1f),
+                singleLine = true
+            )
+        }
+    }
+
+    if (showDobPicker.value) {
+        val initialDate = age.toLocalDateOrNull(dobFormatter) ?: LocalDate.now().minusYears(18)
+        GuestDobDatePickerDialog(
+            initialDate = initialDate,
+            onDismiss = { showDobPicker.value = false },
+            onDateSelected = { selectedDate ->
+                onAgeChange(selectedDate.format(dobFormatter))
+            }
+        )
+    }
+}
+
+@Composable
+private fun GuestDobDatePickerDialog(
+    initialDate: LocalDate,
+    onDismiss: () -> Unit,
+    onDateSelected: (LocalDate) -> Unit
+) {
+    val context = LocalContext.current
+    val dismissState by rememberUpdatedState(onDismiss)
+    val selectState by rememberUpdatedState(onDateSelected)
+
+    DisposableEffect(context, initialDate) {
+        val dialog = DatePickerDialog(
+            context,
+            { _, year, month, dayOfMonth ->
+                selectState(LocalDate.of(year, month + 1, dayOfMonth))
+            },
+            initialDate.year,
+            initialDate.monthValue - 1,
+            initialDate.dayOfMonth
+        )
+        val todayMillis = LocalDate.now()
+            .atStartOfDay(ZoneId.systemDefault())
+            .toInstant()
+            .toEpochMilli()
+        val minDateMillis = LocalDate.of(1900, 1, 1)
+            .atStartOfDay(ZoneId.systemDefault())
+            .toInstant()
+            .toEpochMilli()
+        dialog.datePicker.maxDate = todayMillis
+        dialog.datePicker.minDate = minDateMillis
+        dialog.setOnDismissListener { dismissState() }
+        dialog.show()
+        onDispose {
+            dialog.setOnDismissListener(null)
+            dialog.dismiss()
+        }
+    }
+}
+
+private fun String.toLocalDateOrNull(formatter: DateTimeFormatter): LocalDate? =
+    runCatching { LocalDate.parse(this, formatter) }.getOrNull()
+
+private fun formatDobInput(raw: String): String {
+    val digits = raw.filter { it.isDigit() }.take(8)
+    if (digits.isEmpty()) return ""
+    val builder = StringBuilder(digits.length + 2)
+    digits.forEachIndexed { index, char ->
+        builder.append(char)
+        if ((index == 1 || index == 3) && index != digits.lastIndex) {
+            builder.append('/')
+        }
+    }
+    return builder.toString()
+}

app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoScreen.kt

@@ -1,13 +1,9 @@
 package com.android.trisolarispms.ui.guest
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -22,6 +18,7 @@ import com.android.trisolarispms.ui.common.SaveTopBarScaffold
 @Composable
 fun GuestInfoScreen(
     propertyId: String,
+    bookingId: String,
     guestId: String,
     initialGuest: com.android.trisolarispms.data.api.model.GuestDto?,
     initialPhone: String?,
@@ -31,51 +28,75 @@ fun GuestInfoScreen(
 ) {
     val state by viewModel.state.collectAsState()
 
-    LaunchedEffect(guestId) {
+    LaunchedEffect(propertyId, bookingId, guestId) {
         viewModel.reset()
         viewModel.setInitial(initialGuest, initialPhone)
-        viewModel.loadGuest(propertyId, guestId, initialPhone)
+        viewModel.loadGuest(
+            propertyId = propertyId,
+            bookingId = bookingId,
+            guestId = guestId,
+            fallbackPhone = initialPhone
+        )
     }
 
     SaveTopBarScaffold(
         title = "Guest Info",
         onBack = onBack,
-        onSave = { viewModel.submit(propertyId, guestId, onSave) }
+        onSave = { viewModel.submit(propertyId, bookingId, guestId, onSave) }
     ) { padding ->
-        PaddedScreenColumn(padding = padding) {
-            OutlinedTextField(
-                value = state.phoneE164,
-                onValueChange = viewModel::onPhoneChange,
-                label = { Text("Phone E164 (optional)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
-                value = state.name,
-                onValueChange = viewModel::onNameChange,
-                label = { Text("Name (optional)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
-                value = state.nationality,
-                onValueChange = viewModel::onNationalityChange,
-                label = { Text("Nationality (optional)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
-                value = state.age,
-                onValueChange = viewModel::onAgeChange,
-                label = { Text("DOB (dd/MM/yyyy)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-            OutlinedTextField(
-                value = state.addressText,
-                onValueChange = viewModel::onAddressChange,
-                label = { Text("Address (optional)") },
-                modifier = Modifier.fillMaxWidth()
+        PaddedScreenColumn(
+            padding = padding,
+            scrollable = true
+        ) {
+            GuestInfoFormFields(
+                phoneCountryCode = state.phoneCountryCode,
+                onPhoneCountryCodeChange = { code ->
+                    viewModel.onPhoneCountryChange(
+                        value = code,
+                        propertyId = propertyId,
+                        guestId = guestId
+                    )
+                },
+                phoneNationalNumber = state.phoneNationalNumber,
+                onPhoneNationalNumberChange = { number ->
+                    viewModel.onPhoneNationalNumberChange(
+                        value = number,
+                        propertyId = propertyId,
+                        guestId = guestId
+                    )
+                },
+                name = state.name,
+                onNameChange = viewModel::onNameChange,
+                nationality = state.nationality,
+                onNationalityChange = viewModel::onNationalityChange,
+                nationalitySuggestions = state.nationalitySuggestions,
+                isNationalitySearchLoading = state.isNationalitySearchLoading,
+                onNationalitySuggestionSelected = viewModel::onNationalitySuggestionSelected,
+                age = state.age,
+                onAgeChange = viewModel::onAgeChange,
+                addressText = state.addressText,
+                onAddressChange = viewModel::onAddressChange,
+                fromCity = state.fromCity,
+                onFromCityChange = viewModel::onFromCityChange,
+                fromCitySuggestions = state.fromCitySuggestions,
+                isFromCitySearchLoading = state.isFromCitySearchLoading,
+                onFromCitySuggestionSelected = viewModel::onFromCitySuggestionSelected,
+                toCity = state.toCity,
+                onToCityChange = viewModel::onToCityChange,
+                toCitySuggestions = state.toCitySuggestions,
+                isToCitySearchLoading = state.isToCitySearchLoading,
+                onToCitySuggestionSelected = viewModel::onToCitySuggestionSelected,
+                memberRelation = state.memberRelation,
+                onMemberRelationChange = viewModel::onMemberRelationChange,
+                transportMode = state.transportMode,
+                onTransportModeChange = viewModel::onTransportModeChange,
+                childCount = state.childCount,
+                onChildCountChange = viewModel::onChildCountChange,
+                maleCount = state.maleCount,
+                onMaleCountChange = viewModel::onMaleCountChange,
+                femaleCount = state.femaleCount,
+                onFemaleCountChange = viewModel::onFemaleCountChange,
+                vehicleNumbers = state.vehicleNumbers
             )
             if (state.isLoading) {
                 Spacer(modifier = Modifier.height(12.dp))

app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoState.kt

@@ -1,11 +1,25 @@
 package com.android.trisolarispms.ui.guest
 
 data class GuestInfoState(
-    val phoneE164: String = "",
+    val phoneCountryCode: String = "IN",
+    val phoneNationalNumber: String = "",
     val name: String = "",
     val nationality: String = "",
+    val nationalitySuggestions: List<String> = emptyList(),
+    val isNationalitySearchLoading: Boolean = false,
     val age: String = "",
     val addressText: String = "",
+    val fromCity: String = "",
+    val fromCitySuggestions: List<String> = emptyList(),
+    val isFromCitySearchLoading: Boolean = false,
+    val toCity: String = "",
+    val toCitySuggestions: List<String> = emptyList(),
+    val isToCitySearchLoading: Boolean = false,
+    val memberRelation: String = "",
+    val transportMode: String = "",
+    val childCount: String = "",
+    val maleCount: String = "",
+    val femaleCount: String = "",
     val vehicleNumbers: List<String> = emptyList(),
     val isLoading: Boolean = false,
     val error: String? = null

app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoViewModel.kt

@@ -2,9 +2,19 @@ package com.android.trisolarispms.ui.guest
 
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.android.trisolarispms.core.viewmodel.CitySearchController
 import com.android.trisolarispms.data.api.core.ApiClient
+import com.android.trisolarispms.data.api.core.GeoSearchRepository
+import com.android.trisolarispms.data.api.model.BookingLinkGuestRequest
 import com.android.trisolarispms.data.api.model.GuestDto
 import com.android.trisolarispms.data.api.model.GuestUpdateRequest
+import com.android.trisolarispms.ui.booking.findPhoneCountryOption
+import com.google.gson.JsonNull
+import com.google.gson.JsonObject
+import com.google.i18n.phonenumbers.PhoneNumberUtil
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.update
@@ -13,13 +23,69 @@ import kotlinx.coroutines.launch
 class GuestInfoViewModel : ViewModel() {
     private val _state = MutableStateFlow(GuestInfoState())
     val state: StateFlow<GuestInfoState> = _state
+    private var nationalitySearchJob: Job? = null
+    private var phoneAutofillJob: Job? = null
+    private var lastAutofilledPhoneE164: String? = null
+    private var initialBookingProfile: BookingProfileSnapshot? = null
+    private val fromCitySearch = CitySearchController(
+        scope = viewModelScope,
+        onUpdate = { isLoading, suggestions ->
+            _state.update {
+                it.copy(
+                    isFromCitySearchLoading = isLoading,
+                    fromCitySuggestions = suggestions
+                )
+            }
+        },
+        search = { query, limit ->
+            GeoSearchRepository.searchCityDisplayValues(query = query, limit = limit)
+        }
+    )
+    private val toCitySearch = CitySearchController(
+        scope = viewModelScope,
+        onUpdate = { isLoading, suggestions ->
+            _state.update {
+                it.copy(
+                    isToCitySearchLoading = isLoading,
+                    toCitySuggestions = suggestions
+                )
+            }
+        },
+        search = { query, limit ->
+            GeoSearchRepository.searchCityDisplayValues(query = query, limit = limit)
+        }
+    )
 
     fun reset() {
+        nationalitySearchJob?.cancel()
+        nationalitySearchJob = null
+        phoneAutofillJob?.cancel()
+        phoneAutofillJob = null
+        lastAutofilledPhoneE164 = null
+        fromCitySearch.cancel()
+        toCitySearch.cancel()
+        initialBookingProfile = null
         _state.value = GuestInfoState()
     }
 
-    fun onPhoneChange(value: String) {
-        _state.update { it.copy(phoneE164 = value, error = null) }
+    fun onPhoneCountryChange(value: String, propertyId: String, guestId: String) {
+        val option = findPhoneCountryOption(value)
+        _state.update { current ->
+            val trimmed = current.phoneNationalNumber.filter { it.isDigit() }.take(option.maxLength)
+            current.copy(
+                phoneCountryCode = option.code,
+                phoneNationalNumber = trimmed,
+                error = null
+            )
+        }
+        autoFillByPhoneIfExists(propertyId = propertyId, currentGuestId = guestId)
+    }
+
+    fun onPhoneNationalNumberChange(value: String, propertyId: String, guestId: String) {
+        val option = findPhoneCountryOption(_state.value.phoneCountryCode)
+        val trimmed = value.filter { it.isDigit() }.take(option.maxLength)
+        _state.update { it.copy(phoneNationalNumber = trimmed, error = null) }
+        autoFillByPhoneIfExists(propertyId = propertyId, currentGuestId = guestId)
     }
 
     fun onNameChange(value: String) {
@@ -28,6 +94,19 @@ class GuestInfoViewModel : ViewModel() {
 
     fun onNationalityChange(value: String) {
         _state.update { it.copy(nationality = value, error = null) }
+        searchCountrySuggestions(value)
+    }
+
+    fun onNationalitySuggestionSelected(suggestion: String) {
+        nationalitySearchJob?.cancel()
+        _state.update {
+            it.copy(
+                nationality = suggestion,
+                nationalitySuggestions = emptyList(),
+                isNationalitySearchLoading = false,
+                error = null
+            )
+        }
     }
 
     fun onAgeChange(value: String) {
@@ -38,13 +117,71 @@ class GuestInfoViewModel : ViewModel() {
         _state.update { it.copy(addressText = value, error = null) }
     }
 
-    fun setInitial(guest: GuestDto?, phone: String?) {
+    fun onFromCityChange(value: String) {
+        _state.update { it.copy(fromCity = value, error = null) }
+        fromCitySearch.onQueryChanged(value)
+    }
+
+    fun onToCityChange(value: String) {
+        _state.update { it.copy(toCity = value, error = null) }
+        toCitySearch.onQueryChanged(value)
+    }
+
+    fun onFromCitySuggestionSelected(value: String) {
+        fromCitySearch.cancel()
         _state.update {
             it.copy(
-                phoneE164 = guest?.phoneE164 ?: phone.orEmpty(),
+                fromCity = value,
+                fromCitySuggestions = emptyList(),
+                isFromCitySearchLoading = false,
+                error = null
+            )
+        }
+    }
+
+    fun onToCitySuggestionSelected(value: String) {
+        toCitySearch.cancel()
+        _state.update {
+            it.copy(
+                toCity = value,
+                toCitySuggestions = emptyList(),
+                isToCitySearchLoading = false,
+                error = null
+            )
+        }
+    }
+
+    fun onMemberRelationChange(value: String) {
+        _state.update { it.copy(memberRelation = value, error = null) }
+    }
+
+    fun onTransportModeChange(value: String) {
+        _state.update { it.copy(transportMode = value, error = null) }
+    }
+
+    fun onChildCountChange(value: String) {
+        _state.update { it.copy(childCount = value.filter { char -> char.isDigit() }, error = null) }
+    }
+
+    fun onMaleCountChange(value: String) {
+        _state.update { it.copy(maleCount = value.filter { char -> char.isDigit() }, error = null) }
+    }
+
+    fun onFemaleCountChange(value: String) {
+        _state.update { it.copy(femaleCount = value.filter { char -> char.isDigit() }, error = null) }
+    }
+
+    fun setInitial(guest: GuestDto?, phone: String?) {
+        val parsedPhone = parsePhoneE164(guest?.phoneE164 ?: phone)
+        _state.update {
+            it.copy(
+                phoneCountryCode = parsedPhone.countryCode,
+                phoneNationalNumber = parsedPhone.nationalNumber,
                 name = guest?.name.orEmpty(),
                 nationality = guest?.nationality.orEmpty(),
-                age = guest?.age.orEmpty(),
+                nationalitySuggestions = emptyList(),
+                isNationalitySearchLoading = false,
+                age = guest?.dob.orEmpty(),
                 addressText = guest?.addressText.orEmpty(),
                 vehicleNumbers = guest?.vehicleNumbers ?: emptyList(),
                 error = null
@@ -52,75 +189,416 @@ class GuestInfoViewModel : ViewModel() {
         }
     }
 
-    fun loadGuest(propertyId: String, guestId: String, fallbackPhone: String?) {
-        if (propertyId.isBlank() || guestId.isBlank()) return
+    fun loadGuest(propertyId: String, bookingId: String, guestId: String, fallbackPhone: String?) {
+        if (propertyId.isBlank()) return
         viewModelScope.launch {
             _state.update { it.copy(isLoading = true, error = null) }
+            var loadError: String? = null
             try {
                 val api = ApiClient.create()
-                val response = api.getGuest(propertyId = propertyId, guestId = guestId)
-                val guest = response.body()
-                if (response.isSuccessful && guest != null) {
-                    _state.update {
-                        it.copy(
-                            phoneE164 = guest.phoneE164 ?: fallbackPhone.orEmpty(),
-                            name = guest.name.orEmpty(),
-                            nationality = guest.nationality.orEmpty(),
-                            age = guest.age.orEmpty(),
-                            addressText = guest.addressText.orEmpty(),
-                            vehicleNumbers = guest.vehicleNumbers ?: emptyList(),
-                            isLoading = false,
-                            error = null
-                        )
+                if (guestId.isNotBlank()) {
+                    val guestResponse = api.getGuest(propertyId = propertyId, guestId = guestId)
+                    val guest = guestResponse.body()
+                    if (guestResponse.isSuccessful && guest != null) {
+                        val parsedPhone = parsePhoneE164(guest.phoneE164 ?: fallbackPhone)
+                        _state.update {
+                            it.copy(
+                                phoneCountryCode = parsedPhone.countryCode,
+                                phoneNationalNumber = parsedPhone.nationalNumber,
+                                name = guest.name.orEmpty(),
+                                nationality = guest.nationality.orEmpty(),
+                                nationalitySuggestions = emptyList(),
+                                isNationalitySearchLoading = false,
+                                age = guest.dob.orEmpty(),
+                                addressText = guest.addressText.orEmpty(),
+                                vehicleNumbers = guest.vehicleNumbers,
+                                error = null
+                            )
+                        }
+                    } else {
+                        val parsedPhone = parsePhoneE164(fallbackPhone)
+                        _state.update {
+                            it.copy(
+                                phoneCountryCode = it.phoneCountryCode.ifBlank { parsedPhone.countryCode },
+                                phoneNationalNumber = it.phoneNationalNumber.ifBlank { parsedPhone.nationalNumber },
+                                isNationalitySearchLoading = false
+                            )
+                        }
+                        loadError = "Load failed: ${guestResponse.code()}"
                     }
-                } else {
-                    _state.update {
-                        it.copy(
-                            phoneE164 = it.phoneE164.ifBlank { fallbackPhone.orEmpty() },
-                            isLoading = false,
-                            error = "Load failed: ${response.code()}"
+                }
+
+                if (bookingId.isNotBlank()) {
+                    val detailsResponse = api.getBookingDetails(propertyId = propertyId, bookingId = bookingId)
+                    val details = detailsResponse.body()
+                    if (detailsResponse.isSuccessful && details != null) {
+                        val snapshot = BookingProfileSnapshot(
+                            transportMode = details.transportMode?.trim()?.ifBlank { null },
+                            childCount = details.childCount,
+                            maleCount = details.maleCount,
+                            femaleCount = details.femaleCount,
+                            fromCity = details.fromCity?.trim()?.ifBlank { null },
+                            toCity = details.toCity?.trim()?.ifBlank { null },
+                            memberRelation = details.memberRelation?.trim()?.ifBlank { null }
                         )
+                        initialBookingProfile = snapshot
+                        _state.update {
+                            it.copy(
+                                fromCity = snapshot.fromCity.orEmpty(),
+                                fromCitySuggestions = emptyList(),
+                                isFromCitySearchLoading = false,
+                                toCity = snapshot.toCity.orEmpty(),
+                                toCitySuggestions = emptyList(),
+                                isToCitySearchLoading = false,
+                                memberRelation = snapshot.memberRelation.orEmpty(),
+                                transportMode = snapshot.transportMode.orEmpty(),
+                                childCount = snapshot.childCount?.toString().orEmpty(),
+                                maleCount = snapshot.maleCount?.toString().orEmpty(),
+                                femaleCount = snapshot.femaleCount?.toString().orEmpty()
+                            )
+                        }
+                    } else if (loadError == null) {
+                        loadError = "Load failed: ${detailsResponse.code()}"
                     }
                 }
             } catch (e: Exception) {
-                _state.update {
-                    it.copy(
-                        phoneE164 = it.phoneE164.ifBlank { fallbackPhone.orEmpty() },
-                        isLoading = false,
-                        error = e.localizedMessage ?: "Load failed"
-                    )
-                }
+                loadError = e.localizedMessage ?: "Load failed"
+            }
+            val parsedPhone = parsePhoneE164(fallbackPhone)
+            _state.update {
+                it.copy(
+                    phoneCountryCode = it.phoneCountryCode.ifBlank { parsedPhone.countryCode },
+                    phoneNationalNumber = it.phoneNationalNumber.ifBlank { parsedPhone.nationalNumber },
+                    isNationalitySearchLoading = false,
+                    isLoading = false,
+                    error = loadError
+                )
             }
         }
     }
 
-    fun submit(propertyId: String, guestId: String, onDone: () -> Unit) {
-        if (propertyId.isBlank() || guestId.isBlank()) return
+    fun submit(propertyId: String, bookingId: String, guestId: String, onDone: () -> Unit) {
+        if (propertyId.isBlank() || bookingId.isBlank() || guestId.isBlank()) return
         val current = state.value
         viewModelScope.launch {
             _state.update { it.copy(isLoading = true, error = null) }
             try {
                 val api = ApiClient.create()
-                val response = api.updateGuest(
-                    propertyId = propertyId,
-                    guestId = guestId,
-                    body = GuestUpdateRequest(
-                        phoneE164 = current.phoneE164.trim().ifBlank { null },
-                        name = current.name.trim().ifBlank { null },
-                        nationality = current.nationality.trim().ifBlank { null },
-                        age = current.age.trim().ifBlank { null },
-                        addressText = current.addressText.trim().ifBlank { null }
+                var submitError: String? = null
+                val fullPhoneE164 = composePhoneE164(current)
+                var matchedGuestToLinkId: String? = null
+                if (!fullPhoneE164.isNullOrBlank() && submitError == null) {
+                    val searchResponse = api.searchGuests(
+                        propertyId = propertyId,
+                        phone = fullPhoneE164
                     )
-                )
-                if (response.isSuccessful) {
+                    if (searchResponse.isSuccessful) {
+                        matchedGuestToLinkId = searchResponse.body()
+                            .orEmpty()
+                            .firstOrNull { it.id != guestId }
+                            ?.id
+                    }
+                }
+
+                if (!matchedGuestToLinkId.isNullOrBlank() && submitError == null) {
+                    val linkResponse = api.linkGuest(
+                        propertyId = propertyId,
+                        bookingId = bookingId,
+                        body = BookingLinkGuestRequest(guestId = matchedGuestToLinkId)
+                    )
+                    if (!linkResponse.isSuccessful) {
+                        submitError = "Link failed: ${linkResponse.code()}"
+                    }
+                } else if (submitError == null) {
+                    val countryOption = findPhoneCountryOption(current.phoneCountryCode)
+                    val nationalNumber = current.phoneNationalNumber.trim()
+                    val phoneE164 = if (nationalNumber.isBlank()) {
+                        null
+                    } else {
+                        "+${countryOption.dialCode}$nationalNumber"
+                    }
+                    val response = api.updateGuest(
+                        propertyId = propertyId,
+                        guestId = guestId,
+                        body = GuestUpdateRequest(
+                            phoneE164 = phoneE164,
+                            name = current.name.trim().ifBlank { null },
+                            nationality = current.nationality.trim().ifBlank { null },
+                            age = current.age.trim().ifBlank { null },
+                            addressText = current.addressText.trim().ifBlank { null }
+                        )
+                    )
+                    if (!response.isSuccessful) {
+                        submitError = "Update failed: ${response.code()}"
+                    }
+                }
+
+                if (submitError == null) {
+                    val profilePayload = buildBookingProfilePayload(current)
+                    if (profilePayload != null) {
+                        val profileResponse = api.updateBookingProfile(
+                            propertyId = propertyId,
+                            bookingId = bookingId,
+                            body = profilePayload
+                        )
+                        if (!profileResponse.isSuccessful) {
+                            submitError = "Profile update failed: ${profileResponse.code()}"
+                        } else {
+                            initialBookingProfile = profileSnapshotFromState(_state.value)
+                        }
+                    }
+                }
+
+                if (submitError == null) {
                     _state.update { it.copy(isLoading = false, error = null) }
                     onDone()
                 } else {
-                    _state.update { it.copy(isLoading = false, error = "Create failed: ${response.code()}") }
+                    _state.update { it.copy(isLoading = false, error = submitError) }
                 }
             } catch (e: Exception) {
-                _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Create failed") }
+                _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Update failed") }
             }
         }
     }
+
+    private fun searchCountrySuggestions(value: String) {
+        nationalitySearchJob?.cancel()
+        nationalitySearchJob = null
+
+        val query = value.trim()
+        if (query.length < 3) {
+            _state.update {
+                it.copy(
+                    nationalitySuggestions = emptyList(),
+                    isNationalitySearchLoading = false
+                )
+            }
+            return
+        }
+
+        nationalitySearchJob = viewModelScope.launch {
+            delay(300)
+            _state.update { current ->
+                if (current.nationality.trim() != query) {
+                    current
+                } else {
+                    current.copy(isNationalitySearchLoading = true)
+                }
+            }
+            try {
+                val response = ApiClient.create().searchCountries(query = query, limit = 20)
+                val suggestions = if (response.isSuccessful) response.body().orEmpty() else emptyList()
+                _state.update { current ->
+                    if (current.nationality.trim() != query) {
+                        current
+                    } else {
+                        current.copy(
+                            nationalitySuggestions = suggestions,
+                            isNationalitySearchLoading = false
+                        )
+                    }
+                }
+            } catch (e: CancellationException) {
+                throw e
+            } catch (_: Exception) {
+                _state.update { current ->
+                    if (current.nationality.trim() != query) {
+                        current
+                    } else {
+                        current.copy(
+                            nationalitySuggestions = emptyList(),
+                            isNationalitySearchLoading = false
+                        )
+                    }
+                }
+            }
+        }
+    }
+
+    private fun autoFillByPhoneIfExists(propertyId: String, currentGuestId: String) {
+        if (propertyId.isBlank()) return
+        val currentPhone = composePhoneE164(_state.value)
+        if (currentPhone.isNullOrBlank()) {
+            phoneAutofillJob?.cancel()
+            phoneAutofillJob = null
+            lastAutofilledPhoneE164 = null
+            return
+        }
+        if (lastAutofilledPhoneE164 == currentPhone) return
+
+        phoneAutofillJob?.cancel()
+        phoneAutofillJob = viewModelScope.launch {
+            try {
+                val response = ApiClient.create().searchGuests(
+                    propertyId = propertyId,
+                    phone = currentPhone
+                )
+                if (!response.isSuccessful) return@launch
+                val guests = response.body().orEmpty()
+                val matchedGuest = guests.firstOrNull { it.id != currentGuestId } ?: guests.firstOrNull()
+                if (matchedGuest == null) {
+                    lastAutofilledPhoneE164 = currentPhone
+                    return@launch
+                }
+                _state.update { current ->
+                    if (composePhoneE164(current) != currentPhone) {
+                        current
+                    } else {
+                        current.copy(
+                            name = matchedGuest.name.orEmpty(),
+                            nationality = matchedGuest.nationality.orEmpty(),
+                            age = matchedGuest.dob.orEmpty(),
+                            addressText = matchedGuest.addressText.orEmpty(),
+                            vehicleNumbers = matchedGuest.vehicleNumbers,
+                            error = null
+                        )
+                    }
+                }
+                lastAutofilledPhoneE164 = currentPhone
+            } catch (e: CancellationException) {
+                throw e
+            } catch (_: Exception) {
+                // Ignore lookup failures; manual entry should continue uninterrupted.
+            }
+        }
+    }
+
+    private fun buildBookingProfilePayload(current: GuestInfoState): JsonObject? {
+        val currentSnapshot = profileSnapshotFromState(current)
+        val initialSnapshot = initialBookingProfile
+        val body = JsonObject()
+
+        fun putNullableStringIfChanged(
+            key: String,
+            currentValue: String?,
+            initialValue: String?
+        ) {
+            if (currentValue == initialValue) return
+            if (currentValue == null) {
+                body.add(key, JsonNull.INSTANCE)
+            } else {
+                body.addProperty(key, currentValue)
+            }
+        }
+
+        fun putNullableIntIfChanged(
+            key: String,
+            currentValue: Int?,
+            initialValue: Int?
+        ) {
+            if (currentValue == initialValue) return
+            if (currentValue == null) {
+                body.add(key, JsonNull.INSTANCE)
+            } else {
+                body.addProperty(key, currentValue)
+            }
+        }
+
+        if (initialSnapshot == null) {
+            currentSnapshot.transportMode?.let { body.addProperty("transportMode", it) }
+            currentSnapshot.childCount?.let { body.addProperty("childCount", it) }
+            currentSnapshot.maleCount?.let { body.addProperty("maleCount", it) }
+            currentSnapshot.femaleCount?.let { body.addProperty("femaleCount", it) }
+            currentSnapshot.fromCity?.let { body.addProperty("fromCity", it) }
+            currentSnapshot.toCity?.let { body.addProperty("toCity", it) }
+            currentSnapshot.memberRelation?.let { body.addProperty("memberRelation", it) }
+            return if (body.size() == 0) null else body
+        }
+
+        putNullableStringIfChanged(
+            key = "transportMode",
+            currentValue = currentSnapshot.transportMode,
+            initialValue = initialSnapshot.transportMode
+        )
+        putNullableIntIfChanged(
+            key = "childCount",
+            currentValue = currentSnapshot.childCount,
+            initialValue = initialSnapshot.childCount
+        )
+        putNullableIntIfChanged(
+            key = "maleCount",
+            currentValue = currentSnapshot.maleCount,
+            initialValue = initialSnapshot.maleCount
+        )
+        putNullableIntIfChanged(
+            key = "femaleCount",
+            currentValue = currentSnapshot.femaleCount,
+            initialValue = initialSnapshot.femaleCount
+        )
+        putNullableStringIfChanged(
+            key = "fromCity",
+            currentValue = currentSnapshot.fromCity,
+            initialValue = initialSnapshot.fromCity
+        )
+        putNullableStringIfChanged(
+            key = "toCity",
+            currentValue = currentSnapshot.toCity,
+            initialValue = initialSnapshot.toCity
+        )
+        putNullableStringIfChanged(
+            key = "memberRelation",
+            currentValue = currentSnapshot.memberRelation,
+            initialValue = initialSnapshot.memberRelation
+        )
+
+        return if (body.size() == 0) null else body
+    }
 }
+
+private data class ParsedPhone(
+    val countryCode: String,
+    val nationalNumber: String
+)
+
+private data class BookingProfileSnapshot(
+    val transportMode: String?,
+    val childCount: Int?,
+    val maleCount: Int?,
+    val femaleCount: Int?,
+    val fromCity: String?,
+    val toCity: String?,
+    val memberRelation: String?
+)
+
+private fun parsePhoneE164(phoneE164: String?): ParsedPhone {
+    val fallback = ParsedPhone(countryCode = "IN", nationalNumber = "")
+    val raw = phoneE164?.trim().orEmpty()
+    if (raw.isBlank()) return fallback
+
+    val util = PhoneNumberUtil.getInstance()
+    val parsed = runCatching { util.parse(raw, null) }.getOrNull()
+    if (parsed != null) {
+        val region = util.getRegionCodeForNumber(parsed)
+        if (!region.isNullOrBlank()) {
+            val option = findPhoneCountryOption(region)
+            val national = util.getNationalSignificantNumber(parsed).orEmpty()
+                .filter { it.isDigit() }
+                .take(option.maxLength)
+            return ParsedPhone(
+                countryCode = option.code,
+                nationalNumber = national
+            )
+        }
+    }
+
+    val digitsOnly = raw.filter { it.isDigit() }.take(findPhoneCountryOption("IN").maxLength)
+    return fallback.copy(nationalNumber = digitsOnly)
+}
+
+private fun composePhoneE164(state: GuestInfoState): String? {
+    val countryOption = findPhoneCountryOption(state.phoneCountryCode)
+    val digits = state.phoneNationalNumber.trim()
+    if (digits.length != countryOption.maxLength) return null
+    return "+${countryOption.dialCode}$digits"
+}
+
+private fun profileSnapshotFromState(state: GuestInfoState): BookingProfileSnapshot =
+    BookingProfileSnapshot(
+        transportMode = state.transportMode.trim().ifBlank { null },
+        childCount = state.childCount.trim().toIntOrNull(),
+        maleCount = state.maleCount.trim().toIntOrNull(),
+        femaleCount = state.femaleCount.trim().toIntOrNull(),
+        fromCity = state.fromCity.trim().ifBlank { null },
+        toCity = state.toCity.trim().ifBlank { null },
+        memberRelation = state.memberRelation.trim().ifBlank { null }
+    )

app/src/main/java/com/android/trisolarispms/ui/navigation/AppRoute.kt

@@ -4,6 +4,11 @@ sealed interface AppRoute {
     data object Home : AppRoute
     data class CreateBooking(val propertyId: String) : AppRoute
     data class GuestInfo(val propertyId: String, val bookingId: String, val guestId: String) : AppRoute
+    data class GuestInfoFromBookingDetails(
+        val propertyId: String,
+        val bookingId: String,
+        val guestId: String
+    ) : AppRoute
     data class GuestSignature(val propertyId: String, val bookingId: String, val guestId: String) : AppRoute
     data class ManageRoomStaySelect(
         val propertyId: String,

app/src/main/java/com/android/trisolarispms/ui/navigation/MainBackNavigation.kt

@@ -52,6 +52,11 @@ internal fun handleBackNavigation(
         is AppRoute.CreateBooking -> refs.openActiveRoomStays(currentRoute.propertyId)
         is AppRoute.BookingRoomRequestFromBooking -> refs.openActiveRoomStays(currentRoute.propertyId)
         is AppRoute.GuestInfo -> refs.route.value = AppRoute.Home
+        is AppRoute.GuestInfoFromBookingDetails -> refs.route.value = AppRoute.BookingDetailsTabs(
+            currentRoute.propertyId,
+            currentRoute.bookingId,
+            currentRoute.guestId
+        )
         is AppRoute.GuestSignature -> refs.route.value = AppRoute.GuestInfo(
             currentRoute.propertyId,
             currentRoute.bookingId,

app/src/main/java/com/android/trisolarispms/ui/navigation/MainRoutesBooking.kt

@@ -2,6 +2,7 @@ package com.android.trisolarispms.ui.navigation
 
 import androidx.compose.runtime.Composable
 import com.android.trisolarispms.core.auth.AuthzPolicy
+import com.android.trisolarispms.ui.guest.GuestInfoScreen
 import com.android.trisolarispms.ui.navigation.AppRoute
 import com.android.trisolarispms.ui.payment.BookingPaymentsScreen
 import com.android.trisolarispms.ui.roomstay.BookingDetailsTabsScreen
@@ -25,6 +26,13 @@ internal fun renderBookingRoutes(
             bookingId = currentRoute.bookingId,
             guestId = currentRoute.guestId,
             onBack = { refs.openActiveRoomStays(currentRoute.propertyId) },
+            onEditGuestInfo = { targetGuestId ->
+                refs.route.value = AppRoute.GuestInfoFromBookingDetails(
+                    propertyId = currentRoute.propertyId,
+                    bookingId = currentRoute.bookingId,
+                    guestId = targetGuestId
+                )
+            },
             onEditSignature = { guestId ->
                 refs.route.value = AppRoute.GuestSignature(
                     currentRoute.propertyId,
@@ -51,6 +59,28 @@ internal fun renderBookingRoutes(
             canCheckOutBooking = authz.canCheckOutBooking(currentRoute.propertyId)
         )
 
+        is AppRoute.GuestInfoFromBookingDetails -> GuestInfoScreen(
+            propertyId = currentRoute.propertyId,
+            bookingId = currentRoute.bookingId,
+            guestId = currentRoute.guestId,
+            initialGuest = refs.selectedGuest.value,
+            initialPhone = refs.selectedGuestPhone.value,
+            onBack = {
+                refs.route.value = AppRoute.BookingDetailsTabs(
+                    currentRoute.propertyId,
+                    currentRoute.bookingId,
+                    currentRoute.guestId
+                )
+            },
+            onSave = {
+                refs.route.value = AppRoute.BookingDetailsTabs(
+                    currentRoute.propertyId,
+                    currentRoute.bookingId,
+                    currentRoute.guestId
+                )
+            }
+        )
+
         is AppRoute.BookingPayments -> BookingPaymentsScreen(
             propertyId = currentRoute.propertyId,
             bookingId = currentRoute.bookingId,

app/src/main/java/com/android/trisolarispms/ui/navigation/MainRoutesHomeGuest.kt

@@ -120,6 +120,7 @@ internal fun renderHomeGuestRoutes(
 
         is AppRoute.GuestInfo -> GuestInfoScreen(
             propertyId = currentRoute.propertyId,
+            bookingId = currentRoute.bookingId,
             guestId = currentRoute.guestId,
             initialGuest = refs.selectedGuest.value,
             initialPhone = refs.selectedGuestPhone.value,

app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsTabsScreen.kt

@@ -19,6 +19,7 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.Logout
+import androidx.compose.material.icons.filled.Edit
 import androidx.compose.material.icons.filled.Error
 import androidx.compose.material.icons.filled.MoreVert
 import androidx.compose.material.icons.filled.QrCode
@@ -87,6 +88,7 @@ fun BookingDetailsTabsScreen(
     bookingId: String,
     guestId: String?,
     onBack: () -> Unit,
+    onEditGuestInfo: (String) -> Unit,
     onEditSignature: (String) -> Unit,
     onOpenRazorpayQr: (Long?, String?) -> Unit,
     onOpenPayments: () -> Unit,
@@ -214,6 +216,7 @@ fun BookingDetailsTabsScreen(
                     guestId = guestId,
                     isLoading = detailsState.isLoading,
                     error = detailsState.error,
+                    onEditGuestInfo = onEditGuestInfo,
                     onEditSignature = onEditSignature,
                     onOpenRazorpayQr = onOpenRazorpayQr,
                     onOpenPayments = onOpenPayments
@@ -396,6 +399,7 @@ private fun GuestInfoTabContent(
     guestId: String?,
     isLoading: Boolean,
     error: String?,
+    onEditGuestInfo: (String) -> Unit,
     onEditSignature: (String) -> Unit,
     onOpenRazorpayQr: (Long?, String?) -> Unit,
     onOpenPayments: () -> Unit
@@ -420,6 +424,7 @@ private fun GuestInfoTabContent(
     val bookingStatus = details?.status?.uppercase()
     val canEditCheckIn = bookingStatus == "OPEN"
     val canEditCheckOut = bookingStatus == "OPEN" || bookingStatus == "CHECKED_IN"
+    val resolvedGuestId = details?.guestId ?: guestId
 
     LaunchedEffect(checkInFromDetails, checkOutFromDetails) {
         draftCheckInAt.value = checkInFromDetails
@@ -479,7 +484,23 @@ private fun GuestInfoTabContent(
             Text(text = it, color = MaterialTheme.colorScheme.error)
             Spacer(modifier = Modifier.height(8.dp))
         }
-        SectionCard(title = "Details") {
+        SectionCard(
+            title = "Details",
+            headerContent = {
+                IconButton(
+                    enabled = !resolvedGuestId.isNullOrBlank(),
+                    onClick = {
+                        resolvedGuestId?.let(onEditGuestInfo)
+                    }
+                ) {
+                    Icon(
+                        imageVector = Icons.Default.Edit,
+                        contentDescription = "Edit guest details",
+                        tint = MaterialTheme.colorScheme.primary
+                    )
+                }
+            }
+        ) {
         GuestDetailRow(label = "Name", value = details?.guestName)
         GuestDetailRow(label = "Nationality", value = details?.guestNationality)
         GuestDetailRow(label = "Age", value = details?.guestAge?.let { formatAge(it) })
@@ -600,7 +621,6 @@ private fun GuestInfoTabContent(
         }
 
         Spacer(modifier = Modifier.height(16.dp))
-        val resolvedGuestId = details?.guestId ?: guestId
         SignaturePreview(
             propertyId = propertyId,
             guestId = resolvedGuestId,