booking details: add ability to see details of guest

2026-01-29 22:03:06 +05:30
parent 9d3ade3d03
commit be820391bc
13 changed files with 514 additions and 1 deletions
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -56,6 +56,7 @@ dependencies {
    implementation(libs.okhttp)
    implementation(libs.okhttp.logging)
    implementation(libs.coil.compose)
+    implementation(libs.coil.svg)
    implementation(libs.lottie.compose)
    implementation(libs.calendar.compose)
    implementation(libs.libphonenumber)
--- a/app/src/main/java/com/android/trisolarispms/MainActivity.kt
+++ b/app/src/main/java/com/android/trisolarispms/MainActivity.kt
@@ -23,6 +23,7 @@ import com.android.trisolarispms.ui.roomstay.ManageRoomStayRatesScreen
 import com.android.trisolarispms.ui.roomstay.ManageRoomStaySelectScreen
 import com.android.trisolarispms.ui.roomstay.ManageRoomStaySelection
 import com.android.trisolarispms.ui.roomstay.BookingRoomStaysScreen
+import com.android.trisolarispms.ui.roomstay.BookingDetailsTabsScreen
 import com.android.trisolarispms.ui.home.HomeScreen
 import com.android.trisolarispms.ui.property.AddPropertyScreen
 import com.android.trisolarispms.ui.room.RoomFormScreen
@@ -152,6 +153,10 @@ class MainActivity : ComponentActivity() {
                                currentRoute.propertyId,
                                selectedPropertyName.value ?: "Property"
                            )
+                            is AppRoute.BookingDetailsTabs -> route.value = AppRoute.ActiveRoomStays(
+                                currentRoute.propertyId,
+                                selectedPropertyName.value ?: "Property"
+                            )
                        }
                    }

@@ -276,6 +281,13 @@ class MainActivity : ComponentActivity() {
                                    expectedCheckInAt = booking.expectedCheckInAt,
                                    expectedCheckOutAt = booking.expectedCheckOutAt
                                )
+                            },
+                            onOpenBookingDetails = { booking ->
+                                route.value = AppRoute.BookingDetailsTabs(
+                                    propertyId = currentRoute.propertyId,
+                                    bookingId = booking.id.orEmpty(),
+                                    guestId = booking.guestId
+                                )
                            }
                        )
                        is AppRoute.ManageRoomStaySelect -> ManageRoomStaySelectScreen(
@@ -392,6 +404,17 @@ class MainActivity : ComponentActivity() {
                                )
                            }
                        )
+                        is AppRoute.BookingDetailsTabs -> BookingDetailsTabsScreen(
+                            propertyId = currentRoute.propertyId,
+                            bookingId = currentRoute.bookingId,
+                            guestId = currentRoute.guestId,
+                            onBack = {
+                                route.value = AppRoute.ActiveRoomStays(
+                                    currentRoute.propertyId,
+                                    selectedPropertyName.value ?: "Property"
+                                )
+                            }
+                        )
                        is AppRoute.Rooms -> RoomsScreen(
                            propertyId = currentRoute.propertyId,
                            onBack = {
--- a/app/src/main/java/com/android/trisolarispms/data/api/BookingApi.kt
+++ b/app/src/main/java/com/android/trisolarispms/data/api/BookingApi.kt
@@ -12,6 +12,7 @@ import com.android.trisolarispms.data.api.model.BookingRoomStayCreateRequest
 import com.android.trisolarispms.data.api.model.BookingListItem
 import com.android.trisolarispms.data.api.model.BookingBulkCheckInRequest
 import com.android.trisolarispms.data.api.model.BookingExpectedDatesRequest
+import com.android.trisolarispms.data.api.model.BookingDetailsResponse
 import com.android.trisolarispms.data.api.model.RoomStayDto
 import retrofit2.Response
 import retrofit2.http.Body
@@ -47,6 +48,12 @@ interface BookingApi {
        @Body body: BookingExpectedDatesRequest
    ): Response<Unit>

+    @GET("properties/{propertyId}/bookings/{bookingId}")
+    suspend fun getBookingDetails(
+        @Path("propertyId") propertyId: String,
+        @Path("bookingId") bookingId: String
+    ): Response<BookingDetailsResponse>
+
    @POST("properties/{propertyId}/bookings/{bookingId}/link-guest")
    suspend fun linkGuest(
        @Path("propertyId") propertyId: String,
--- a/app/src/main/java/com/android/trisolarispms/data/api/model/BookingModels.kt
+++ b/app/src/main/java/com/android/trisolarispms/data/api/model/BookingModels.kt
@@ -41,6 +41,10 @@ data class BookingListItem(
    val guestPhone: String? = null,
    val roomNumbers: List<Int> = emptyList(),
    val source: String? = null,
+    val fromCity: String? = null,
+    val toCity: String? = null,
+    val memberRelation: String? = null,
+    val transportMode: String? = null,
    val checkInAt: String? = null,
    val checkOutAt: String? = null,
    val expectedCheckInAt: String? = null,
@@ -73,6 +77,38 @@ data class BookingExpectedDatesRequest(
    val expectedCheckOutAt: String? = null
 )

+data class BookingDetailsResponse(
+    val id: String? = null,
+    val status: String? = null,
+    val guestId: String? = null,
+    val guestName: String? = null,
+    val guestPhone: String? = null,
+    val guestNationality: String? = null,
+    val guestAddressText: String? = null,
+    val guestSignatureUrl: String? = null,
+    val roomNumbers: List<Int> = emptyList(),
+    val fromCity: String? = null,
+    val toCity: String? = null,
+    val memberRelation: String? = null,
+    val transportMode: String? = null,
+    val expectedCheckInAt: String? = null,
+    val expectedCheckOutAt: String? = null,
+    val checkInAt: String? = null,
+    val checkOutAt: String? = null,
+    val adultCount: Int? = null,
+    val maleCount: Int? = null,
+    val femaleCount: Int? = null,
+    val childCount: Int? = null,
+    val totalGuestCount: Int? = null,
+    val expectedGuestCount: Int? = null,
+    val totalNightlyRate: Long? = null,
+    val registeredByName: String? = null,
+    val registeredByPhone: String? = null,
+    val expectedPay: Long? = null,
+    val amountCollected: Long? = null,
+    val pending: Long? = null
+)
+
 data class BookingLinkGuestRequest(
    val guestId: String
 )
--- a/app/src/main/java/com/android/trisolarispms/ui/AppRoute.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/AppRoute.kt
@@ -42,6 +42,11 @@ sealed interface AppRoute {
        val expectedCheckInAt: String?,
        val expectedCheckOutAt: String?
    ) : AppRoute
+    data class BookingDetailsTabs(
+        val propertyId: String,
+        val bookingId: String,
+        val guestId: String?
+    ) : AppRoute
    data object AddProperty : AppRoute
    data class ActiveRoomStays(val propertyId: String, val propertyName: String) : AppRoute
    data class Rooms(val propertyId: String) : AppRoute
--- a/app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoState.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoState.kt
@@ -5,6 +5,7 @@ data class GuestInfoState(
    val name: String = "",
    val nationality: String = "",
    val addressText: String = "",
+    val vehicleNumbers: List<String> = emptyList(),
    val isLoading: Boolean = false,
    val error: String? = null
 )
--- a/app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoViewModel.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/guest/GuestInfoViewModel.kt
@@ -41,6 +41,7 @@ class GuestInfoViewModel : ViewModel() {
                name = guest?.name.orEmpty(),
                nationality = guest?.nationality.orEmpty(),
                addressText = guest?.addressText.orEmpty(),
+                vehicleNumbers = guest?.vehicleNumbers ?: emptyList(),
                error = null
            )
        }
@@ -61,6 +62,7 @@ class GuestInfoViewModel : ViewModel() {
                            name = guest.name.orEmpty(),
                            nationality = guest.nationality.orEmpty(),
                            addressText = guest.addressText.orEmpty(),
+                            vehicleNumbers = guest.vehicleNumbers ?: emptyList(),
                            isLoading = false,
                            error = null
                        )
--- a/app/src/main/java/com/android/trisolarispms/ui/roomstay/ActiveRoomStaysScreen.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/roomstay/ActiveRoomStaysScreen.kt
@@ -54,6 +54,7 @@ fun ActiveRoomStaysScreen(
    onManageRoomStay: (BookingListItem) -> Unit,
    onViewBookingStays: (BookingListItem) -> Unit,
    onExtendBooking: (BookingListItem) -> Unit,
+    onOpenBookingDetails: (BookingListItem) -> Unit,
    viewModel: ActiveRoomStaysViewModel = viewModel()
 ) {
    val state by viewModel.state.collectAsState()
@@ -119,7 +120,7 @@ fun ActiveRoomStaysScreen(
                            CheckedInBookingCard(
                                booking = booking,
                                onClick = { selectedBooking.value = booking },
-                                onLongClick = { onViewBookingStays(booking) }
+                                onLongClick = { onOpenBookingDetails(booking) }
                            )
                        }
                    }
@@ -167,6 +168,7 @@ fun ActiveRoomStaysScreen(
            dismissButton = {}
        )
    }
+
 }

@Composable
--- a/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsState.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsState.kt
@@ -0,0 +1,9 @@
+package com.android.trisolarispms.ui.roomstay
+
+import com.android.trisolarispms.data.api.model.BookingDetailsResponse
+
+data class BookingDetailsState(
+    val isLoading: Boolean = false,
+    val error: String? = null,
+    val details: BookingDetailsResponse? = null
+)
--- a/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsTabsScreen.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsTabsScreen.kt
@@ -0,0 +1,370 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+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.foundation.layout.width
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Tab
+import androidx.compose.material3.TabRow
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.foundation.pager.HorizontalPager
+import androidx.compose.foundation.pager.rememberPagerState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.compose.foundation.layout.ColumnScope
+import kotlinx.coroutines.launch
+import com.android.trisolarispms.data.api.model.BookingDetailsResponse
+import com.android.trisolarispms.data.api.FirebaseAuthTokenProvider
+import com.android.trisolarispms.data.api.ApiConstants
+import com.google.firebase.auth.FirebaseAuth
+import coil.ImageLoader
+import coil.compose.AsyncImage
+import coil.decode.SvgDecoder
+import coil.request.ImageRequest
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import java.time.OffsetDateTime
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import androidx.compose.ui.platform.LocalContext
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+fun BookingDetailsTabsScreen(
+    propertyId: String,
+    bookingId: String,
+    guestId: String?,
+    onBack: () -> Unit,
+    staysViewModel: BookingRoomStaysViewModel = viewModel(),
+    detailsViewModel: BookingDetailsViewModel = viewModel()
+) {
+    val pagerState = rememberPagerState(initialPage = 0, pageCount = { 2 })
+    val scope = rememberCoroutineScope()
+    val staysState by staysViewModel.state.collectAsState()
+    val detailsState by detailsViewModel.state.collectAsState()
+
+    LaunchedEffect(propertyId, bookingId, guestId) {
+        staysViewModel.load(propertyId, bookingId)
+        detailsViewModel.load(propertyId, bookingId)
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Details") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.AutoMirrored.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors()
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+        ) {
+            TabRow(selectedTabIndex = pagerState.currentPage) {
+                Tab(
+                    selected = pagerState.currentPage == 0,
+                    onClick = {
+                        scope.launch { pagerState.animateScrollToPage(0) }
+                    },
+                    text = { Text("Guest Info") }
+                )
+                Tab(
+                    selected = pagerState.currentPage == 1,
+                    onClick = {
+                        scope.launch { pagerState.animateScrollToPage(1) }
+                    },
+                    text = { Text("Room Stays") }
+                )
+            }
+            HorizontalPager(
+                state = pagerState,
+                modifier = Modifier.fillMaxSize()
+            ) { page ->
+                when (page) {
+                    0 -> GuestInfoTabContent(
+                        propertyId = propertyId,
+                        details = detailsState.details,
+                        guestId = guestId,
+                        isLoading = detailsState.isLoading,
+                        error = detailsState.error
+                    )
+                    1 -> BookingRoomStaysTabContent(staysState, staysViewModel)
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun GuestInfoTabContent(
+    propertyId: String,
+    details: BookingDetailsResponse?,
+    guestId: String?,
+    isLoading: Boolean,
+    error: String?
+) {
+    val displayZone = remember { ZoneId.of("Asia/Kolkata") }
+    val dateFormatter = remember { DateTimeFormatter.ofPattern("dd/MM/yyyy") }
+    val timeFormatter = remember { DateTimeFormatter.ofPattern("hh:mm a") }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp)
+            .verticalScroll(rememberScrollState())
+    ) {
+        if (isLoading) {
+            CircularProgressIndicator()
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        error?.let {
+            Text(text = it, color = MaterialTheme.colorScheme.error)
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        SectionCard(title = "Details") {
+            GuestDetailRow(label = "Name", value = details?.guestName.orEmpty())
+            GuestDetailRow(label = "Address", value = details?.guestAddressText.orEmpty())
+            GuestDetailRow(label = "Phone number", value = details?.guestPhone.orEmpty())
+            GuestDetailRow(label = "Coming From", value = details?.fromCity.orEmpty())
+            GuestDetailRow(label = "Going To", value = details?.toCity.orEmpty())
+            GuestDetailRow(label = "Relation", value = details?.memberRelation.orEmpty())
+            GuestDetailRow(label = "Mode of transport", value = details?.transportMode.orEmpty())
+            GuestDetailRow(label = "Vehicle numbers", value = "")
+        }
+
+        val checkIn = details?.checkInAt ?: details?.expectedCheckInAt
+        val checkOut = details?.expectedCheckOutAt ?: details?.checkOutAt
+        SectionCard(title = "Stay") {
+            if (!checkIn.isNullOrBlank()) {
+                val parsed = runCatching { OffsetDateTime.parse(checkIn).atZoneSameInstant(displayZone) }.getOrNull()
+                GuestDetailRow(
+                    label = "Check In Time",
+                    value = parsed?.let { "${it.format(dateFormatter)} ${it.format(timeFormatter)}" }.orEmpty()
+                )
+            } else {
+                GuestDetailRow(label = "Check In Time", value = "")
+            }
+            if (!checkOut.isNullOrBlank()) {
+                val parsed = runCatching { OffsetDateTime.parse(checkOut).atZoneSameInstant(displayZone) }.getOrNull()
+                GuestDetailRow(
+                    label = "Estimated Check Out Time",
+                    value = parsed?.let { "${it.format(dateFormatter)} ${it.format(timeFormatter)}" }.orEmpty()
+                )
+            } else {
+                GuestDetailRow(label = "Estimated Check Out Time", value = "")
+            }
+            GuestDetailRow(
+                label = "Rooms Booked",
+                value = details?.roomNumbers?.takeIf { it.isNotEmpty() }?.joinToString(", ").orEmpty()
+            )
+            GuestDetailRow(label = "Total Adults", value = details?.adultCount?.toString().orEmpty())
+            GuestDetailRow(label = "Total Males", value = details?.maleCount?.toString().orEmpty())
+            GuestDetailRow(label = "Total Females", value = details?.femaleCount?.toString().orEmpty())
+            GuestDetailRow(label = "Total Children", value = details?.childCount?.toString().orEmpty())
+            GuestDetailRow(label = "Total Guests", value = details?.totalGuestCount?.toString().orEmpty())
+            GuestDetailRow(label = "Expected Guests", value = details?.expectedGuestCount?.toString().orEmpty())
+        }
+
+        SectionCard(title = "Calculations") {
+            GuestDetailRow(label = "Amount Collected", value = details?.amountCollected?.toString().orEmpty())
+            GuestDetailRow(label = "Rent per day", value = details?.totalNightlyRate?.toString().orEmpty())
+            GuestDetailRow(label = "Expected pay", value = details?.expectedPay?.toString().orEmpty())
+            GuestDetailRow(label = "Pending", value = details?.pending?.toString().orEmpty())
+        }
+
+        SectionCard(title = "Registered By") {
+            GuestDetailRow(label = "Name", value = details?.registeredByName.orEmpty())
+            GuestDetailRow(label = "Phone number", value = details?.registeredByPhone.orEmpty())
+        }
+
+        Spacer(modifier = Modifier.height(16.dp))
+        SignaturePreview(
+            propertyId = propertyId,
+            guestId = details?.guestId ?: guestId,
+            signatureUrl = details?.guestSignatureUrl
+        )
+    }
+}
+
+@Composable
+private fun GuestDetailRow(label: String, value: String) {
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(vertical = 6.dp)
+    ) {
+        Text(
+            text = label,
+            style = MaterialTheme.typography.labelSmall,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Text(
+            text = value.ifBlank { "-" },
+            style = MaterialTheme.typography.bodyLarge
+        )
+    }
+}
+
+@Composable
+private fun SectionCard(title: String, content: @Composable ColumnScope.() -> Unit) {
+    Card(
+        colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        Column(modifier = Modifier.padding(16.dp)) {
+            Text(text = title, style = MaterialTheme.typography.titleMedium)
+            Spacer(modifier = Modifier.height(8.dp))
+            content()
+        }
+    }
+    Spacer(modifier = Modifier.height(12.dp))
+}
+
+@Composable
+private fun SignaturePreview(propertyId: String, guestId: String?, signatureUrl: String?) {
+    val resolvedGuestId = guestId
+    if (resolvedGuestId.isNullOrBlank() && signatureUrl.isNullOrBlank()) {
+        Text(text = "Signature", style = MaterialTheme.typography.titleSmall)
+        Spacer(modifier = Modifier.height(8.dp))
+        Text(text = "Not available", style = MaterialTheme.typography.bodySmall)
+        return
+    }
+    val auth = remember { FirebaseAuth.getInstance() }
+    val tokenProvider = remember { FirebaseAuthTokenProvider(auth) }
+    val context = LocalContext.current
+    val imageLoader = remember {
+        ImageLoader.Builder(context)
+            .components { add(SvgDecoder.Factory()) }
+            .okHttpClient(
+                OkHttpClient.Builder()
+                    .addInterceptor(Interceptor { chain ->
+                        val original = chain.request()
+                        val token = runCatching {
+                            kotlinx.coroutines.runBlocking { tokenProvider.token(forceRefresh = false) }
+                        }.getOrNull()
+                        if (token.isNullOrBlank()) {
+                            chain.proceed(original)
+                        } else {
+                            val request = original.newBuilder()
+                                .addHeader("Authorization", "Bearer $token")
+                                .build()
+                            chain.proceed(request)
+                        }
+                    })
+                    .build()
+            )
+            .build()
+    }
+    val url = signatureUrl?.let { if (it.startsWith("http")) it else "${ApiConstants.BASE_URL.trimEnd('/')}$it" }
+        ?: "${ApiConstants.BASE_URL}properties/$propertyId/guests/$resolvedGuestId/signature/file"
+    Column {
+        Text(text = "Signature", style = MaterialTheme.typography.titleSmall)
+        Spacer(modifier = Modifier.height(8.dp))
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .height(120.dp)
+        ) {
+            AsyncImage(
+                model = ImageRequest.Builder(context)
+                    .data(url)
+                    .build(),
+                imageLoader = imageLoader,
+                contentDescription = "Signature",
+                contentScale = ContentScale.Fit,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(120.dp)
+                    .padding(8.dp)
+            )
+        }
+    }
+}
+
+@Composable
+private fun BookingRoomStaysTabContent(
+    state: BookingRoomStaysState,
+    viewModel: BookingRoomStaysViewModel
+) {
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp)
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = androidx.compose.ui.Alignment.CenterVertically
+        ) {
+            Text(text = "Show all (including checkout)")
+            androidx.compose.material3.Switch(
+                checked = state.showAll,
+                onCheckedChange = viewModel::toggleShowAll
+            )
+        }
+        Spacer(modifier = Modifier.height(12.dp))
+        if (state.isLoading) {
+            CircularProgressIndicator()
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        state.error?.let {
+            Text(text = it, color = MaterialTheme.colorScheme.error)
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        if (!state.isLoading && state.error == null) {
+            if (state.stays.isEmpty()) {
+                Text(text = "No stays found")
+            } else {
+                state.stays.forEach { stay ->
+                    val roomLine = "Room ${stay.roomNumber ?: "-"} • ${stay.roomTypeName ?: ""}".trim()
+                    Text(text = roomLine, style = MaterialTheme.typography.titleMedium)
+                    val guestLine = listOfNotNull(stay.guestName, stay.guestPhone).joinToString(" • ")
+                    if (guestLine.isNotBlank()) {
+                        Text(text = guestLine, style = MaterialTheme.typography.bodyMedium)
+                    }
+                    val timeLine = listOfNotNull(stay.fromAt, stay.expectedCheckoutAt).joinToString(" → ")
+                    if (timeLine.isNotBlank()) {
+                        Text(text = timeLine, style = MaterialTheme.typography.bodySmall)
+                    }
+                    Spacer(modifier = Modifier.height(12.dp))
+                }
+            }
+        }
+    }
+}
--- a/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsViewModel.kt
+++ b/app/src/main/java/com/android/trisolarispms/ui/roomstay/BookingDetailsViewModel.kt
@@ -0,0 +1,38 @@
+package com.android.trisolarispms.ui.roomstay
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.android.trisolarispms.data.api.ApiClient
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+
+class BookingDetailsViewModel : ViewModel() {
+    private val _state = MutableStateFlow(BookingDetailsState())
+    val state: StateFlow<BookingDetailsState> = _state
+
+    fun load(propertyId: String, bookingId: String) {
+        if (propertyId.isBlank() || bookingId.isBlank()) return
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true, error = null) }
+            try {
+                val api = ApiClient.create()
+                val response = api.getBookingDetails(propertyId, bookingId)
+                if (response.isSuccessful) {
+                    _state.update {
+                        it.copy(
+                            isLoading = false,
+                            details = response.body(),
+                            error = null
+                        )
+                    }
+                } else {
+                    _state.update { it.copy(isLoading = false, error = "Load failed: ${response.code()}") }
+                }
+            } catch (e: Exception) {
+                _state.update { it.copy(isLoading = false, error = e.localizedMessage ?: "Load failed") }
+            }
+        }
+    }
+}