Add NFC temporary card issue flow

app/build.gradle.kts

@@ -56,6 +56,7 @@ dependencies {
     implementation(libs.okhttp)
     implementation(libs.okhttp.logging)
     implementation(libs.coil.compose)
+    implementation(libs.lottie.compose)
     implementation(platform(libs.firebase.bom))
     implementation(libs.firebase.auth.ktx)
     implementation(libs.kotlinx.coroutines.play.services)

app/src/main/AndroidManifest.xml

@@ -3,6 +3,11 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.NFC" />
+
+    <uses-feature
+        android:name="android.hardware.nfc"
+        android:required="false" />
 
     <application
         android:allowBackup="true"

app/src/main/java/com/android/trisolarispms/MainActivity.kt

@@ -18,6 +18,7 @@ import com.android.trisolarispms.ui.home.HomeScreen
 import com.android.trisolarispms.ui.property.AddPropertyScreen
 import com.android.trisolarispms.ui.room.RoomFormScreen
 import com.android.trisolarispms.ui.room.RoomsScreen
+import com.android.trisolarispms.ui.card.IssueTemporaryCardScreen
 import com.android.trisolarispms.ui.roomimage.RoomImagesScreen
 import com.android.trisolarispms.ui.roomimage.ImageTagsScreen
 import com.android.trisolarispms.ui.roomimage.AddImageTagScreen
@@ -114,6 +115,12 @@ class MainActivity : ComponentActivity() {
                                 selectedRoom.value = it
                                 roomFormKey.value++
                                 route.value = AppRoute.EditRoom(currentRoute.propertyId, it.id ?: "")
+                            },
+                            onIssueTemporaryCard = {
+                                if (it.id != null) {
+                                    selectedRoom.value = it
+                                    route.value = AppRoute.IssueTemporaryCard(currentRoute.propertyId, it.id)
+                                }
                             }
                         )
                         is AppRoute.RoomTypes -> RoomTypesScreen(
@@ -197,6 +204,12 @@ class MainActivity : ComponentActivity() {
                                 route.value = AppRoute.RoomImages(currentRoute.propertyId, roomId)
                             }
                         )
+                        is AppRoute.IssueTemporaryCard -> IssueTemporaryCardScreen(
+                            propertyId = currentRoute.propertyId,
+                            roomId = currentRoute.roomId,
+                            roomNumber = selectedRoom.value?.roomNumber?.toString(),
+                            onBack = { route.value = AppRoute.Rooms(currentRoute.propertyId) }
+                        )
                         is AppRoute.RoomImages -> RoomImagesScreen(
                             propertyId = currentRoute.propertyId,
                             roomId = currentRoute.roomId,

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

@@ -1,6 +1,7 @@
 package com.android.trisolarispms.data.api
 
 import com.google.firebase.auth.FirebaseAuth
+import okhttp3.Authenticator
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
@@ -18,7 +19,7 @@ object ApiClient {
         val authInterceptor = Interceptor { chain ->
             val original = chain.request()
             val token = try {
-                kotlinx.coroutines.runBlocking { tokenProvider.token() }
+                kotlinx.coroutines.runBlocking { tokenProvider.token(forceRefresh = false) }
             } catch (e: Exception) {
                 null
             }
@@ -32,12 +33,28 @@ object ApiClient {
             chain.proceed(request)
         }
 
+        val authenticator = Authenticator { _, response ->
+            if (response.code != 401) return@Authenticator null
+            if (response.request.header("X-Auth-Retry") == "true") return@Authenticator null
+            val newToken = try {
+                kotlinx.coroutines.runBlocking { tokenProvider.token(forceRefresh = true) }
+            } catch (e: Exception) {
+                null
+            }
+            if (newToken.isNullOrBlank()) return@Authenticator null
+            response.request.newBuilder()
+                .header("Authorization", "Bearer $newToken")
+                .header("X-Auth-Retry", "true")
+                .build()
+        }
+
         val logging = HttpLoggingInterceptor().apply {
             level = if (enableLogging) HttpLoggingInterceptor.Level.BODY else HttpLoggingInterceptor.Level.NONE
         }
 
         val client = OkHttpClient.Builder()
             .addInterceptor(authInterceptor)
+            .authenticator(authenticator)
             .addInterceptor(logging)
             .connectTimeout(30, TimeUnit.SECONDS)
             .readTimeout(30, TimeUnit.SECONDS)

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

@@ -1,5 +1,5 @@
 package com.android.trisolarispms.data.api
 
 interface AuthTokenProvider {
-    suspend fun token(): String?
+    suspend fun token(forceRefresh: Boolean = false): String?
 }

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

@@ -26,6 +26,20 @@ interface CardApi {
         @Body body: IssueCardRequest
     ): Response<IssuedCardResponse>
 
+    @POST("properties/{propertyId}/rooms/{roomId}/cards/prepare-temp")
+    suspend fun prepareTemporaryRoomCard(
+        @Path("propertyId") propertyId: String,
+        @Path("roomId") roomId: String,
+        @Body body: CardPrepareRequest
+    ): Response<CardPrepareResponse>
+
+    @POST("properties/{propertyId}/rooms/{roomId}/cards/temp")
+    suspend fun issueTemporaryRoomCard(
+        @Path("propertyId") propertyId: String,
+        @Path("roomId") roomId: String,
+        @Body body: IssueCardRequest
+    ): Response<IssuedCardResponse>
+
     @GET("properties/{propertyId}/room-stays/{roomStayId}/cards")
     suspend fun listCards(
         @Path("propertyId") propertyId: String,

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

@@ -6,8 +6,8 @@ import kotlinx.coroutines.tasks.await
 class FirebaseAuthTokenProvider(
     private val auth: FirebaseAuth
 ) : AuthTokenProvider {
-    override suspend fun token(): String? {
+    override suspend fun token(forceRefresh: Boolean): String? {
         val user = auth.currentUser ?: return null
-        return user.getIdToken(false).await().token
+        return user.getIdToken(forceRefresh).await().token
     }
 }

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

@@ -56,4 +56,16 @@ interface RoomApi {
         @Query("from") from: String,
         @Query("to") to: String
     ): Response<List<RoomAvailabilityRangeResponse>>
+
+    @GET("properties/{propertyId}/rooms/available")
+    suspend fun listAvailableRooms(
+        @Path("propertyId") propertyId: String
+    ): Response<List<RoomDto>>
+
+    @GET("properties/{propertyId}/rooms/by-type/{roomTypeCode}")
+    suspend fun listRoomsByType(
+        @Path("propertyId") propertyId: String,
+        @Path("roomTypeCode") roomTypeCode: String,
+        @Query("availableOnly") availableOnly: Boolean? = null
+    ): Response<List<RoomDto>>
 }

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

@@ -8,6 +8,9 @@ data class CardPrepareResponse(
     val cardIndex: Int? = null,
     val key: String? = null,
     val timeData: String? = null,
+    val sector3Block0: String? = null,
+    val sector3Block1: String? = null,
+    val sector3Block2: String? = null,
     val issuedAt: String? = null,
     val expiresAt: String? = null
 )
@@ -16,7 +19,7 @@ data class IssueCardRequest(
     val cardId: String,
     val cardIndex: Int,
     val issuedAt: String? = null,
-    val expiresAt: String
+    val expiresAt: String? = null
 )
 
 data class IssuedCardResponse(

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

@@ -25,6 +25,7 @@ data class RoomDto(
     val roomNumber: Int? = null,
     val roomTypeCode: String? = null,
     val roomTypeName: String? = null,
+    val maxOccupancy: Int? = null,
     val floor: Int? = null,
     val hasNfc: Boolean? = null,
     val active: Boolean? = null,

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

@@ -7,6 +7,7 @@ sealed interface AppRoute {
     data class Rooms(val propertyId: String) : AppRoute
     data class AddRoom(val propertyId: String) : AppRoute
     data class EditRoom(val propertyId: String, val roomId: String) : AppRoute
+    data class IssueTemporaryCard(val propertyId: String, val roomId: String) : AppRoute
     data class RoomTypes(val propertyId: String) : AppRoute
     data class AddRoomType(val propertyId: String) : AppRoute
     data class EditRoomType(val propertyId: String, val roomTypeId: String) : AppRoute

app/src/main/java/com/android/trisolarispms/ui/card/IssueTemporaryCardScreen.kt

@@ -0,0 +1,146 @@
+package com.android.trisolarispms.ui.card
+
+import android.app.Activity
+import android.nfc.NfcAdapter
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+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.layout.size
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.airbnb.lottie.compose.LottieAnimation
+import com.airbnb.lottie.compose.LottieCompositionSpec
+import com.airbnb.lottie.compose.LottieConstants
+import com.airbnb.lottie.compose.animateLottieCompositionAsState
+import com.airbnb.lottie.compose.rememberLottieComposition
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+fun IssueTemporaryCardScreen(
+    propertyId: String,
+    roomId: String,
+    roomNumber: String?,
+    onBack: () -> Unit,
+    viewModel: IssueTemporaryCardViewModel = viewModel()
+) {
+    val state by viewModel.state.collectAsState()
+    val context = LocalContext.current
+    val activity = context as? Activity
+    val nfcAdapter = NfcAdapter.getDefaultAdapter(context)
+    val composition = rememberLottieComposition(
+        LottieCompositionSpec.Asset("scan_nfc_animation.json")
+    )
+    val progress = animateLottieCompositionAsState(
+        composition = composition.value,
+        iterations = LottieConstants.IterateForever
+    )
+
+    DisposableEffect(activity, nfcAdapter, propertyId, roomId) {
+        if (activity != null && nfcAdapter != null) {
+            val flags = NfcAdapter.FLAG_READER_NFC_A or NfcAdapter.FLAG_READER_SKIP_NDEF_CHECK
+            val callback = NfcAdapter.ReaderCallback { tag ->
+                viewModel.onTagScanned(propertyId, roomId, tag)
+            }
+            nfcAdapter.enableReaderMode(activity, callback, flags, null)
+            onDispose {
+                nfcAdapter.disableReaderMode(activity)
+            }
+        } else {
+            onDispose { }
+        }
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("Issue Temporary Card") },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.AutoMirrored.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors()
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .padding(24.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.Center
+        ) {
+            Text(
+                text = roomNumber?.let { "Room $it" } ?: "Room",
+                style = MaterialTheme.typography.titleLarge
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+            Spacer(modifier = Modifier.height(12.dp))
+            Text(
+                text = "Hold the NFC card near the reader to issue a temporary card.",
+                style = MaterialTheme.typography.bodyMedium,
+                textAlign = TextAlign.Center,
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+            if (nfcAdapter == null) {
+                Spacer(modifier = Modifier.height(8.dp))
+                Text(
+                    text = "NFC not supported on this device.",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.error
+                )
+            } else if (!nfcAdapter.isEnabled) {
+                Spacer(modifier = Modifier.height(8.dp))
+                Text(
+                    text = "NFC is off. Please enable NFC.",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.error
+                )
+            }
+            state.status?.let {
+                Spacer(modifier = Modifier.height(12.dp))
+                Text(
+                    text = it,
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+            state.error?.let {
+                Spacer(modifier = Modifier.height(8.dp))
+                Text(
+                    text = it,
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.error
+                )
+            }
+            Spacer(modifier = Modifier.height(32.dp))
+            LottieAnimation(
+                composition = composition.value,
+                progress = { progress.value },
+                modifier = Modifier.size(220.dp)
+            )
+        }
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/card/IssueTemporaryCardState.kt

@@ -0,0 +1,10 @@
+package com.android.trisolarispms.ui.card
+
+data class IssueTemporaryCardState(
+    val isLoading: Boolean = false,
+    val isProcessing: Boolean = false,
+    val error: String? = null,
+    val status: String? = null,
+    val lastCardId: String? = null,
+    val lastExpiresAt: String? = null
+)

app/src/main/java/com/android/trisolarispms/ui/card/IssueTemporaryCardViewModel.kt

@@ -0,0 +1,263 @@
+package com.android.trisolarispms.ui.card
+
+import android.nfc.Tag
+import android.nfc.tech.MifareClassic
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.android.trisolarispms.data.api.ApiClient
+import com.android.trisolarispms.data.api.model.CardPrepareRequest
+import com.android.trisolarispms.data.api.model.IssueCardRequest
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Locale
+import java.util.TimeZone
+
+class IssueTemporaryCardViewModel : ViewModel() {
+    private val _state = MutableStateFlow(IssueTemporaryCardState())
+    val state: StateFlow<IssueTemporaryCardState> = _state
+
+    fun onTagScanned(propertyId: String, roomId: String, tag: Tag) {
+        if (propertyId.isBlank() || roomId.isBlank()) return
+        if (state.value.isProcessing) return
+        viewModelScope.launch(Dispatchers.IO) {
+            Log.d("IssueTempCard", "Tag detected. roomId=$roomId cardId=${tagIdToHex(tag.id)}")
+            _state.update { it.copy(isProcessing = true, error = null, status = "Preparing card...") }
+            try {
+                val api = ApiClient.create()
+                Log.d("IssueTempCard", "Calling prepare-temp")
+                val prepareResponse = api.prepareTemporaryRoomCard(
+                    propertyId = propertyId,
+                    roomId = roomId,
+                    body = CardPrepareRequest(expiresAt = null)
+                )
+                Log.d("IssueTempCard", "Prepare-temp response=${prepareResponse.code()}")
+                val prepareBody = prepareResponse.body()
+                if (!prepareResponse.isSuccessful || prepareBody == null) {
+                    _state.update {
+                        it.copy(
+                            isProcessing = false,
+                            error = "Prepare failed: ${prepareResponse.code()}",
+                            status = null
+                        )
+                    }
+                    return@launch
+                }
+                val cardIndex = prepareBody.cardIndex
+                val keyHex = prepareBody.key
+                val timeHex = prepareBody.timeData
+                if (cardIndex == null || keyHex.isNullOrBlank() || timeHex.isNullOrBlank()) {
+                    _state.update {
+                        it.copy(
+                            isProcessing = false,
+                            error = "Prepare response missing data.",
+                            status = null
+                        )
+                    }
+                    return@launch
+                }
+
+                _state.update { it.copy(status = "Writing card...") }
+                val cardId = tagIdToHex(tag.id)
+                val writeResult = writeSector0(
+                    tag = tag,
+                    keyHex = keyHex,
+                    timeHex = timeHex,
+                    sector3Block0 = prepareBody.sector3Block0,
+                    sector3Block1 = prepareBody.sector3Block1,
+                    sector3Block2 = prepareBody.sector3Block2
+                )
+                if (writeResult != null) {
+                    Log.d("IssueTempCard", "Write failed: $writeResult")
+                    _state.update {
+                        it.copy(
+                            isProcessing = false,
+                            error = writeResult,
+                            status = null
+                        )
+                    }
+                    return@launch
+                }
+
+                Log.d("IssueTempCard", "Calling issue-temp")
+                _state.update { it.copy(status = "Saving issued card...") }
+                val issueResponse = api.issueTemporaryRoomCard(
+                    propertyId = propertyId,
+                    roomId = roomId,
+                    body = IssueCardRequest(
+                        cardId = cardId,
+                        cardIndex = cardIndex,
+                        issuedAt = prepareBody.issuedAt
+                            ?: nowAndExpiresIso(minutes = 7).first
+                    )
+                )
+                Log.d("IssueTempCard", "Issue-temp response=${issueResponse.code()}")
+                if (issueResponse.isSuccessful) {
+                    val body = issueResponse.body()
+                    _state.update {
+                        it.copy(
+                            isProcessing = false,
+                            error = null,
+                            status = if (body != null) {
+                                "Card issued. Expires in 7 minutes."
+                            } else {
+                                "Card issued (no response body)."
+                            },
+                            lastCardId = cardId,
+                            lastExpiresAt = prepareBody.expiresAt
+                        )
+                    }
+                } else {
+                    val errorText = issueResponse.errorBody()?.string()
+                    Log.d("IssueTempCard", "Issue-temp error body=$errorText")
+                    _state.update {
+                        it.copy(
+                            isProcessing = false,
+                            error = when (issueResponse.code()) {
+                                409 -> "Active card already exists."
+                                else -> "Issue failed: ${issueResponse.code()}"
+                            },
+                            status = null
+                        )
+                    }
+                }
+            } catch (e: Exception) {
+                Log.d("IssueTempCard", "Issue failed: ${e.localizedMessage}", e)
+                _state.update {
+                    it.copy(
+                        isProcessing = false,
+                        error = e.localizedMessage ?: "Issue failed",
+                        status = null
+                    )
+                }
+            }
+        }
+    }
+
+    private fun writeSector0(
+        tag: Tag,
+        keyHex: String,
+        timeHex: String,
+        sector3Block0: String?,
+        sector3Block1: String?,
+        sector3Block2: String?
+    ): String? {
+        val mifare = MifareClassic.get(tag) ?: return "Unsupported card type (not Mifare Classic)."
+        return try {
+            mifare.connect()
+            val sectorIndex = 0
+            val authA = mifare.authenticateSectorWithKeyA(sectorIndex, MifareClassic.KEY_DEFAULT) ||
+                mifare.authenticateSectorWithKeyA(sectorIndex, MifareClassic.KEY_MIFARE_APPLICATION_DIRECTORY)
+            val authB = mifare.authenticateSectorWithKeyB(sectorIndex, MifareClassic.KEY_DEFAULT) ||
+                mifare.authenticateSectorWithKeyB(sectorIndex, MifareClassic.KEY_MIFARE_APPLICATION_DIRECTORY)
+            if (!authA && !authB) return "Card authentication failed (sector 0)."
+
+            val keyBytes = hexToBytes(keyHex)
+            val timeBytes = hexToBytes(timeHex)
+            val blockIndex = mifare.sectorToBlock(sectorIndex)
+            Log.d("IssueTempCard", "Writing blocks ${blockIndex + 1} and ${blockIndex + 2}")
+            mifare.writeBlock(blockIndex + 1, keyBytes)
+            mifare.writeBlock(blockIndex + 2, timeBytes)
+            val trailerWrite = writeTrailerBlocks(mifare)
+            if (trailerWrite != null) return trailerWrite
+            val sector3Write = writeSector3Blocks(
+                mifare = mifare,
+                block0 = sector3Block0,
+                block1 = sector3Block1,
+                block2 = sector3Block2
+            )
+            if (sector3Write != null) return sector3Write
+            null
+        } catch (e: Exception) {
+            e.localizedMessage ?: "Write failed."
+        } finally {
+            try {
+                mifare.close()
+            } catch (_: Exception) {
+            }
+        }
+    }
+
+    private fun writeTrailerBlocks(mifare: MifareClassic): String? {
+        val sectors = listOf(0, 1, 2, 14)
+        for (sector in sectors) {
+            val authA = mifare.authenticateSectorWithKeyA(sector, MifareClassic.KEY_DEFAULT)
+            val authB = mifare.authenticateSectorWithKeyB(sector, MifareClassic.KEY_DEFAULT)
+            if (!authA && !authB) return "Trailer auth failed (sector $sector)."
+            val blockIndex = mifare.sectorToBlock(sector) + 3
+            mifare.writeBlock(blockIndex, CARD_SECTOR_INFO)
+        }
+        return null
+    }
+
+    private fun writeSector3Blocks(
+        mifare: MifareClassic,
+        block0: String?,
+        block1: String?,
+        block2: String?
+    ): String? {
+        if (block0.isNullOrBlank() && block1.isNullOrBlank() && block2.isNullOrBlank()) return null
+        val sector = 3
+        val authA = mifare.authenticateSectorWithKeyA(sector, MifareClassic.KEY_DEFAULT)
+        val authB = mifare.authenticateSectorWithKeyB(sector, MifareClassic.KEY_DEFAULT)
+        if (!authA && !authB) return "Sector 3 authentication failed."
+        val blockIndex = mifare.sectorToBlock(sector)
+        block0?.let { mifare.writeBlock(blockIndex + 0, hexToBytes(it)) }
+        block1?.let { mifare.writeBlock(blockIndex + 1, hexToBytes(it)) }
+        block2?.let { mifare.writeBlock(blockIndex + 2, hexToBytes(it)) }
+        return null
+    }
+
+    private fun nowAndExpiresIso(minutes: Int): Pair<String, String> {
+        val format = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssXXX", Locale.US).apply {
+            timeZone = TimeZone.getDefault()
+        }
+        val calendar = Calendar.getInstance()
+        val issuedAt = format.format(calendar.time)
+        calendar.add(Calendar.MINUTE, minutes)
+        val expiresAt = format.format(calendar.time)
+        return issuedAt to expiresAt
+    }
+
+    private fun tagIdToHex(tagId: ByteArray?): String {
+        if (tagId == null) return ""
+        return tagId.joinToString("") { byte -> "%02x".format(byte) }
+    }
+
+    private fun hexToBytes(hex: String): ByteArray {
+        val clean = hex.trim().replace(" ", "")
+        val len = clean.length
+        if (len % 2 != 0) return ByteArray(0)
+        val out = ByteArray(len / 2)
+        var i = 0
+        while (i < len) {
+            out[i / 2] = ((clean.substring(i, i + 2)).toInt(16) and 0xFF).toByte()
+            i += 2
+        }
+        return out
+    }
+
+    companion object {
+        private val CARD_SECTOR_INFO = hexToBytesStatic("1AB23CD45EF6FF078069FFFFFFFFFFFF")
+
+        private fun hexToBytesStatic(hex: String): ByteArray {
+            val clean = hex.trim().replace(" ", "")
+            val len = clean.length
+            if (len % 2 != 0) return ByteArray(0)
+            val out = ByteArray(len / 2)
+            var i = 0
+            while (i < len) {
+                out[i / 2] = ((clean.substring(i, i + 2)).toInt(16) and 0xFF).toByte()
+                i += 2
+            }
+            return out
+        }
+    }
+
+}

app/src/main/java/com/android/trisolarispms/ui/room/RoomListState.kt

@@ -5,5 +5,7 @@ import com.android.trisolarispms.data.api.model.RoomDto
 data class RoomListState(
     val isLoading: Boolean = false,
     val error: String? = null,
-    val rooms: List<RoomDto> = emptyList()
+    val rooms: List<RoomDto> = emptyList(),
+    val showAll: Boolean = false,
+    val roomTypeCode: String? = null
 )

app/src/main/java/com/android/trisolarispms/ui/room/RoomListViewModel.kt

@@ -12,13 +12,24 @@ class RoomListViewModel : ViewModel() {
     private val _state = MutableStateFlow(RoomListState())
     val state: StateFlow<RoomListState> = _state
 
-    fun load(propertyId: String) {
+    fun load(propertyId: String, showAll: Boolean = false, roomTypeCode: String? = null) {
         if (propertyId.isBlank()) return
         viewModelScope.launch {
-            _state.update { it.copy(isLoading = true, error = null) }
+            _state.update { it.copy(isLoading = true, error = null, showAll = showAll, roomTypeCode = roomTypeCode) }
             try {
                 val api = ApiClient.create()
-                val response = api.listRooms(propertyId)
+                val trimmedCode = roomTypeCode?.trim().orEmpty()
+                val response = if (trimmedCode.isNotBlank()) {
+                    api.listRoomsByType(
+                        propertyId = propertyId,
+                        roomTypeCode = trimmedCode,
+                        availableOnly = if (showAll) false else true
+                    )
+                } else if (showAll) {
+                    api.listRooms(propertyId)
+                } else {
+                    api.listAvailableRooms(propertyId)
+                }
                 if (response.isSuccessful) {
                     _state.update {
                         it.copy(
@@ -35,4 +46,12 @@ class RoomListViewModel : ViewModel() {
             }
         }
     }
+
+    fun setShowAll(propertyId: String, showAll: Boolean) {
+        load(propertyId, showAll, _state.value.roomTypeCode)
+    }
+
+    fun setRoomTypeFilter(propertyId: String, roomTypeCode: String?) {
+        load(propertyId, _state.value.showAll, roomTypeCode)
+    }
 }

app/src/main/java/com/android/trisolarispms/ui/room/RoomsScreen.kt

@@ -1,18 +1,29 @@
 package com.android.trisolarispms.ui.room
 
-import androidx.compose.foundation.clickable
+import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
 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.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Category
+import androidx.compose.material.icons.filled.Hotel
+import androidx.compose.material.icons.filled.Layers
+import androidx.compose.material.icons.filled.Groups
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -21,6 +32,9 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.FilterChip
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
@@ -29,6 +43,10 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
+import com.android.trisolarispms.ui.roomtype.RoomTypeListViewModel
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.foundation.layout.Box
 
 @Composable
 @OptIn(ExperimentalMaterial3Api::class)
@@ -39,12 +57,17 @@ fun RoomsScreen(
     onViewRoomTypes: () -> Unit,
     canManageRooms: Boolean,
     onEditRoom: (com.android.trisolarispms.data.api.model.RoomDto) -> Unit,
-    viewModel: RoomListViewModel = viewModel()
+    onIssueTemporaryCard: (com.android.trisolarispms.data.api.model.RoomDto) -> Unit,
+    viewModel: RoomListViewModel = viewModel(),
+    roomTypeListViewModel: RoomTypeListViewModel = viewModel()
 ) {
     val state by viewModel.state.collectAsState()
+    val roomTypeState by roomTypeListViewModel.state.collectAsState()
+    val showTypeMenu = remember { mutableStateOf(false) }
 
     LaunchedEffect(propertyId) {
-        viewModel.load(propertyId)
+        viewModel.load(propertyId, showAll = false)
+        roomTypeListViewModel.load(propertyId)
     }
 
     Scaffold(
@@ -86,29 +109,153 @@ fun RoomsScreen(
                 Spacer(modifier = Modifier.height(8.dp))
             }
             if (!state.isLoading && state.error == null) {
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = androidx.compose.ui.Alignment.CenterVertically
+                ) {
+                    FilterChip(
+                        selected = state.showAll,
+                        onClick = { viewModel.setShowAll(propertyId, !state.showAll) },
+                        label = { Text(if (state.showAll) "Showing all" else "Showing available") }
+                    )
+                    Box {
+                        val selectedType = state.roomTypeCode
+                        FilterChip(
+                            selected = !selectedType.isNullOrBlank(),
+                            onClick = { showTypeMenu.value = true },
+                            label = { Text("Type: ${selectedType ?: "All"}") }
+                        )
+                        DropdownMenu(
+                            expanded = showTypeMenu.value,
+                            onDismissRequest = { showTypeMenu.value = false }
+                        ) {
+                            DropdownMenuItem(
+                                text = { Text("All types") },
+                                onClick = {
+                                    showTypeMenu.value = false
+                                    viewModel.setRoomTypeFilter(propertyId, null)
+                                }
+                            )
+                            roomTypeState.items.forEach { type ->
+                                val code = type.code ?: return@forEach
+                                val label = type.name?.let { "$code • $it" } ?: code
+                                DropdownMenuItem(
+                                    text = { Text(label) },
+                                    onClick = {
+                                        showTypeMenu.value = false
+                                        viewModel.setRoomTypeFilter(propertyId, code)
+                                    }
+                                )
+                            }
+                        }
+                    }
+                }
+                val availableCount = state.rooms.size
+                Text(
+                    text = "Available rooms: $availableCount",
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+                Spacer(modifier = Modifier.height(12.dp))
                 if (state.rooms.isEmpty()) {
                     Text(text = "No rooms found")
                 } else {
-                    state.rooms.forEach { room ->
-                        val label = room.roomNumber?.toString() ?: "-"
-                        val details = listOfNotNull(
-                            room.floor?.let { "Floor $it" },
-                            room.roomTypeName ?: room.roomTypeCode
-                        ).joinToString(" • ")
-                        val isDimmed = (room.active == false) || (room.maintenance == true)
-                        val alpha = if (isDimmed) 0.5f else 1f
-                        Column(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .alpha(alpha)
-                                .clickable(enabled = room.id != null) {
-                                    onEditRoom(room)
+                    LazyVerticalGrid(
+                        columns = GridCells.Fixed(2),
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                        verticalArrangement = Arrangement.spacedBy(12.dp),
+                        modifier = Modifier.fillMaxWidth()
+                    ) {
+                        items(state.rooms) { room ->
+                            val label = room.roomNumber?.toString() ?: "-"
+                            val category = room.roomTypeName ?: room.roomTypeCode ?: "Unassigned"
+                            val floorLabel = room.floor?.let { "Floor $it" }.orEmpty()
+                            val isDimmed = (room.active == false) || (room.maintenance == true)
+                            val alpha = if (isDimmed) 0.5f else 1f
+                            Card(
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .alpha(alpha)
+                                    .combinedClickable(
+                                        enabled = room.id != null,
+                                        onClick = { onIssueTemporaryCard(room) },
+                                        onLongClick = { onEditRoom(room) }
+                                    ),
+                                colors = CardDefaults.cardColors(
+                                    containerColor = MaterialTheme.colorScheme.surfaceVariant
+                                ),
+                                elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+                            ) {
+                                Column(modifier = Modifier.padding(12.dp)) {
+                                    Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                                        Icon(
+                                            imageVector = Icons.Default.Hotel,
+                                            contentDescription = "Room",
+                                            modifier = Modifier.size(16.dp),
+                                            tint = MaterialTheme.colorScheme.onSurfaceVariant
+                                        )
+                                        Spacer(modifier = Modifier.width(6.dp))
+                                        Text(text = label, style = MaterialTheme.typography.titleMedium)
+                                    }
+                                    Spacer(modifier = Modifier.height(6.dp))
+                                    Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                                        Icon(
+                                            imageVector = Icons.Default.Category,
+                                            contentDescription = "Category",
+                                            modifier = Modifier.size(16.dp),
+                                            tint = MaterialTheme.colorScheme.onSurfaceVariant
+                                        )
+                                        Spacer(modifier = Modifier.width(6.dp))
+                                        Text(
+                                            text = category,
+                                            style = MaterialTheme.typography.bodySmall
+                                        )
+                                    }
+                                    val maxOcc = room.maxOccupancy
+                                    if (maxOcc != null && maxOcc > 0) {
+                                        Spacer(modifier = Modifier.height(4.dp))
+                                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                                            Icon(
+                                                imageVector = Icons.Default.Groups,
+                                                contentDescription = "Max occupancy",
+                                                modifier = Modifier.size(16.dp),
+                                                tint = MaterialTheme.colorScheme.onSurfaceVariant
+                                            )
+                                            Spacer(modifier = Modifier.width(6.dp))
+                                            Text(
+                                                text = "Max $maxOcc",
+                                                style = MaterialTheme.typography.bodySmall,
+                                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                                            )
+                                        }
+                                    }
+                                    if (floorLabel.isNotBlank()) {
+                                        Spacer(modifier = Modifier.height(4.dp))
+                                        Row(verticalAlignment = androidx.compose.ui.Alignment.CenterVertically) {
+                                            Icon(
+                                                imageVector = Icons.Default.Layers,
+                                                contentDescription = "Floor",
+                                                modifier = Modifier.size(16.dp),
+                                                tint = MaterialTheme.colorScheme.onSurfaceVariant
+                                            )
+                                            Spacer(modifier = Modifier.width(6.dp))
+                                            Text(
+                                                text = floorLabel,
+                                                style = MaterialTheme.typography.bodySmall,
+                                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                                            )
+                                        }
+                                    }
+                                    if (room.maintenance == true) {
+                                        Spacer(modifier = Modifier.height(6.dp))
+                                        Text(
+                                            text = "Maintenance",
+                                            style = MaterialTheme.typography.labelSmall,
+                                            color = MaterialTheme.colorScheme.error
+                                        )
+                                    }
                                 }
-                                .padding(vertical = 10.dp)
-                        ) {
-                            Text(text = label, style = MaterialTheme.typography.titleMedium)
-                            if (details.isNotBlank()) {
-                                Text(text = details, style = MaterialTheme.typography.bodySmall)
                             }
                         }
                     }

app/src/main/java/com/android/trisolarispms/ui/roomtype/AddRoomTypeScreen.kt

@@ -1,35 +1,7 @@
 package com.android.trisolarispms.ui.roomtype
 
-import androidx.compose.foundation.layout.Arrangement
-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.layout.wrapContentHeight
-import androidx.compose.foundation.text.KeyboardOptions
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.ArrowBack
-import androidx.compose.material.icons.filled.Done
-import androidx.compose.material3.Checkbox
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.material3.TopAppBar
-import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.text.input.KeyboardType
-import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 
 @Composable
@@ -41,122 +13,16 @@ fun AddRoomTypeScreen(
     viewModel: RoomTypeFormViewModel = viewModel(),
     amenityViewModel: AmenityListViewModel = viewModel()
 ) {
-    val state by viewModel.state.collectAsState()
-    val amenityState by amenityViewModel.state.collectAsState()
-
-    LaunchedEffect(Unit) {
-        amenityViewModel.load()
-    }
-
-    Scaffold(
-        topBar = {
-            TopAppBar(
-                title = { Text("Add Room Type") },
-                navigationIcon = {
-                    IconButton(onClick = onBack) {
-                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
-                    }
-                },
-                actions = {
-                    IconButton(onClick = { viewModel.submit(propertyId, onSave) }) {
-                        Icon(Icons.Default.Done, contentDescription = "Save")
-                    }
-                },
-                colors = TopAppBarDefaults.topAppBarColors()
-            )
-        }
-    ) { padding ->
-        Column(
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(padding)
-                .padding(24.dp),
-            verticalArrangement = Arrangement.Top
-        ) {
-            OutlinedTextField(
-                value = state.code,
-                onValueChange = viewModel::onCodeChange,
-                label = { Text("Code") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.name,
-                onValueChange = viewModel::onNameChange,
-                label = { Text("Name") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.baseOccupancy,
-                onValueChange = viewModel::onBaseOccupancyChange,
-                label = { Text("Base Occupancy") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.maxOccupancy,
-                onValueChange = viewModel::onMaxOccupancyChange,
-                label = { Text("Max Occupancy") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.sqFeet,
-                onValueChange = viewModel::onSqFeetChange,
-                label = { Text("Sq Ft") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.bathroomSqFeet,
-                onValueChange = viewModel::onBathroomSqFeetChange,
-                label = { Text("Bathroom Sq Ft") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            Text(text = "Amenities", style = MaterialTheme.typography.titleSmall)
-            if (amenityState.items.isEmpty()) {
-                Text(text = "No amenities available", style = MaterialTheme.typography.bodySmall)
-            } else {
-                amenityState.items.forEach { amenity ->
-                    Row(
-                        modifier = Modifier
-                            .fillMaxWidth()
-                            .wrapContentHeight()
-                            .padding(vertical = 4.dp)
-                    ) {
-                        Checkbox(
-                            checked = state.amenityIds.contains(amenity.id),
-                            onCheckedChange = { amenity.id?.let { viewModel.onAmenityToggle(it) } }
-                        )
-                        Text(text = amenity.name ?: "", modifier = Modifier.padding(start = 8.dp))
-                    }
-                }
-            }
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.otaAliases,
-                onValueChange = viewModel::onAliasesChange,
-                label = { Text("OTA Aliases (comma separated)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-
-            state.error?.let {
-                Spacer(modifier = Modifier.height(12.dp))
-                Text(text = it, color = MaterialTheme.colorScheme.error)
-            }
-        }
+    androidx.compose.runtime.LaunchedEffect(Unit) {
+        viewModel.resetForm()
     }
+    RoomTypeFormScreen(
+        title = "Add Room Type",
+        propertyId = propertyId,
+        onBack = onBack,
+        onSave = { viewModel.submit(propertyId, onSave) },
+        codeEditable = true,
+        viewModel = viewModel,
+        amenityViewModel = amenityViewModel
+    )
 }

app/src/main/java/com/android/trisolarispms/ui/roomtype/EditRoomTypeScreen.kt

@@ -1,58 +1,29 @@
 package com.android.trisolarispms.ui.roomtype
 
 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.aspectRatio
-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.layout.size
-import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.layout.wrapContentHeight
-import androidx.compose.foundation.rememberScrollState
-import androidx.compose.foundation.verticalScroll
-import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.lazy.grid.rememberLazyGridState
-import androidx.compose.foundation.text.KeyboardOptions
-import androidx.compose.material.icons.filled.DragIndicator
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.ArrowBack
-import androidx.compose.material.icons.filled.Delete
-import androidx.compose.material.icons.filled.Done
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
-import androidx.compose.material3.Checkbox
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.Icon
-import androidx.compose.material3.IconButton
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedTextField
-import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
-import androidx.compose.material3.TopAppBar
-import androidx.compose.material3.TopAppBarDefaults
 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.ui.Modifier
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
-import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
-import coil.compose.AsyncImage
-import com.android.trisolarispms.data.api.ApiConstants
 import com.android.trisolarispms.data.api.model.RoomTypeDto
-import com.android.trisolarispms.ui.roomimage.RoomImageGridItem
+import com.android.trisolarispms.ui.roomimage.ImagePreviewDialog
 import com.android.trisolarispms.ui.roomimage.ReorderableImageGrid
+import com.android.trisolarispms.ui.roomimage.RoomImageGridItem
 import com.android.trisolarispms.ui.roomimage.RoomImageViewModel
 
 @Composable
@@ -66,16 +37,14 @@ fun EditRoomTypeScreen(
     amenityViewModel: AmenityListViewModel = viewModel(),
     roomImageViewModel: RoomImageViewModel = viewModel()
 ) {
-    val state by viewModel.state.collectAsState()
-    val amenityState by amenityViewModel.state.collectAsState()
     val roomImageState by roomImageViewModel.state.collectAsState()
     val showDeleteConfirm = remember { mutableStateOf(false) }
     val orderedImages = remember { mutableStateOf<List<com.android.trisolarispms.data.api.model.ImageDto>>(emptyList()) }
     val originalOrderIds = remember { mutableStateOf<List<String>>(emptyList()) }
     val previewUrl = remember { mutableStateOf<String?>(null) }
-    val showAmenityDialog = remember { mutableStateOf(false) }
-    val amenitySearch = remember { mutableStateOf("") }
-    val gridState = rememberLazyGridState()
+
+    val gridState = androidx.compose.foundation.lazy.grid.rememberLazyGridState()
+
     val saveRoomTypeImageOrder = remember(roomType.code, orderedImages.value) {
         {
             val code = roomType.code.orEmpty()
@@ -101,9 +70,6 @@ fun EditRoomTypeScreen(
     LaunchedEffect(roomType.id) {
         viewModel.setRoomType(roomType)
     }
-    LaunchedEffect(Unit) {
-        amenityViewModel.load()
-    }
     LaunchedEffect(roomType.code) {
         val code = roomType.code.orEmpty()
         if (code.isNotBlank()) {
@@ -115,159 +81,55 @@ fun EditRoomTypeScreen(
         originalOrderIds.value = roomImageState.images.mapNotNull { it.id }
     }
 
-    Scaffold(
-        topBar = {
-            TopAppBar(
-                title = { Text("Modify Room Type") },
-                navigationIcon = {
-                    IconButton(onClick = onBack) {
-                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
-                    }
-                },
-                actions = {
-                    IconButton(onClick = { viewModel.submitUpdate(propertyId, roomType.id.orEmpty(), onSave) }) {
-                        Icon(Icons.Default.Done, contentDescription = "Save")
-                    }
-                    if (!roomType.id.isNullOrBlank()) {
-                        IconButton(onClick = { showDeleteConfirm.value = true }) {
-                            Icon(Icons.Default.Delete, contentDescription = "Delete Room Type")
-                        }
-                    }
-                },
-                colors = TopAppBarDefaults.topAppBarColors()
-            )
-        }
-    ) { padding ->
-        Column(
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(padding)
-                .padding(24.dp)
-                .verticalScroll(rememberScrollState()),
-            verticalArrangement = Arrangement.Top
+    RoomTypeFormScreen(
+        title = "Modify Room Type",
+        propertyId = propertyId,
+        onBack = onBack,
+        onSave = { viewModel.submitUpdate(propertyId, roomType.id.orEmpty(), onSave) },
+        codeEditable = false,
+        onDelete = { if (!roomType.id.isNullOrBlank()) showDeleteConfirm.value = true },
+        viewModel = viewModel,
+        amenityViewModel = amenityViewModel
+    ) {
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
         ) {
-            OutlinedTextField(
-                value = state.code,
-                onValueChange = {},
-                readOnly = true,
-                label = { Text("Code") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.name,
-                onValueChange = viewModel::onNameChange,
-                label = { Text("Name") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.baseOccupancy,
-                onValueChange = viewModel::onBaseOccupancyChange,
-                label = { Text("Base Occupancy") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.maxOccupancy,
-                onValueChange = viewModel::onMaxOccupancyChange,
-                label = { Text("Max Occupancy") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.sqFeet,
-                onValueChange = viewModel::onSqFeetChange,
-                label = { Text("Sq Ft") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.bathroomSqFeet,
-                onValueChange = viewModel::onBathroomSqFeetChange,
-                label = { Text("Bathroom Sq Ft") },
-                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            OutlinedTextField(
-                value = state.otaAliases,
-                onValueChange = viewModel::onAliasesChange,
-                label = { Text("OTA Aliases (comma separated)") },
-                modifier = Modifier.fillMaxWidth()
-            )
-            Spacer(modifier = Modifier.height(12.dp))
-
-            Row(
-                modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically
-            ) {
-                Text(text = "Amenities", style = MaterialTheme.typography.titleSmall)
-                Button(onClick = { showAmenityDialog.value = true }) {
-                    Text("Edit")
+            Text(text = "Room Type Images", style = androidx.compose.material3.MaterialTheme.typography.titleSmall)
+            val hasOrderChanged = orderedImages.value.mapNotNull { it.id } != originalOrderIds.value
+            if (orderedImages.value.isNotEmpty() && hasOrderChanged) {
+                Button(onClick = saveRoomTypeImageOrder) {
+                    Text("Save order")
                 }
             }
-            val selectedCount = state.amenityIds.size
-            Text(
-                text = if (selectedCount == 0) "No amenities selected" else "$selectedCount selected",
-                style = MaterialTheme.typography.bodySmall
-            )
-            Spacer(modifier = Modifier.height(16.dp))
-
-            Row(
-                modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically
-            ) {
-                Text(text = "Room Type Images", style = MaterialTheme.typography.titleSmall)
-                val hasOrderChanged = orderedImages.value.mapNotNull { it.id } != originalOrderIds.value
-                if (orderedImages.value.isNotEmpty() && hasOrderChanged) {
-                    Button(onClick = saveRoomTypeImageOrder) {
-                        Text("Save order")
-                    }
-                }
-            }
-            if (roomImageState.isLoading) {
-                Spacer(modifier = Modifier.height(8.dp))
-                androidx.compose.material3.CircularProgressIndicator()
-            } else if (orderedImages.value.isEmpty()) {
-                Text(text = "No images yet", style = MaterialTheme.typography.bodySmall)
-            } else {
-                Spacer(modifier = Modifier.height(8.dp))
-                ReorderableImageGrid(
-                    images = orderedImages.value,
-                    gridState = gridState,
-                    verticalArrangement = Arrangement.spacedBy(4.dp),
-                    horizontalArrangement = Arrangement.spacedBy(4.dp),
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .height(320.dp),
-                    onOrderChange = { list ->
-                        orderedImages.value = list
-                    },
-                    onDragEnd = {}
-                ) { image, dragHandleModifier, _ ->
-                    RoomImageGridItem(
-                        image = image,
-                        modifier = dragHandleModifier,
-                        onPreview = { previewUrl.value = image.url ?: image.thumbnailUrl },
-                        showTags = true
-                    )
-                }
-            }
-            state.error?.let {
-                Spacer(modifier = Modifier.height(12.dp))
-                Text(text = it, color = MaterialTheme.colorScheme.error)
+        }
+        if (roomImageState.isLoading) {
+            Spacer(modifier = Modifier.height(8.dp))
+            androidx.compose.material3.CircularProgressIndicator()
+        } else if (orderedImages.value.isEmpty()) {
+            Text(text = "No images yet", style = androidx.compose.material3.MaterialTheme.typography.bodySmall)
+        } else {
+            Spacer(modifier = Modifier.height(8.dp))
+            ReorderableImageGrid(
+                images = orderedImages.value,
+                gridState = gridState,
+                verticalArrangement = Arrangement.spacedBy(4.dp),
+                horizontalArrangement = Arrangement.spacedBy(4.dp),
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(320.dp),
+                onOrderChange = { list ->
+                    orderedImages.value = list
+                },
+                onDragEnd = {}
+            ) { image, dragHandleModifier, _ ->
+                RoomImageGridItem(
+                    image = image,
+                    modifier = dragHandleModifier,
+                    onPreview = { previewUrl.value = image.url ?: image.thumbnailUrl },
+                    showTags = true
+                )
             }
         }
     }
@@ -293,90 +155,9 @@ fun EditRoomTypeScreen(
         )
     }
 
-    if (showAmenityDialog.value) {
-        val query = amenitySearch.value.trim()
-        val filtered = if (query.isBlank()) {
-            amenityState.items
-        } else {
-            amenityState.items.filter {
-                val name = it.name.orEmpty()
-                val category = it.category.orEmpty()
-                name.contains(query, ignoreCase = true) || category.contains(query, ignoreCase = true)
-            }
-        }
-        AlertDialog(
-            onDismissRequest = { showAmenityDialog.value = false },
-            title = { Text("Select Amenities") },
-            text = {
-                Column {
-                    OutlinedTextField(
-                        value = amenitySearch.value,
-                        onValueChange = { amenitySearch.value = it },
-                        label = { Text("Search") },
-                        modifier = Modifier.fillMaxWidth()
-                    )
-                    Spacer(modifier = Modifier.height(12.dp))
-                    if (amenityState.items.isEmpty()) {
-                        Text(text = "No amenities available", style = MaterialTheme.typography.bodySmall)
-                    } else if (filtered.isEmpty()) {
-                        Text(text = "No matches", style = MaterialTheme.typography.bodySmall)
-                    } else {
-                        LazyColumn(
-                            modifier = Modifier
-                                .fillMaxWidth()
-                                .height(320.dp)
-                        ) {
-                            items(filtered) { amenity ->
-                                val id = amenity.id ?: return@items
-                                val iconKey = amenity.iconKey.orEmpty().removeSuffix(".png")
-                                Row(
-                                    modifier = Modifier
-                                        .fillMaxWidth()
-                                        .padding(vertical = 6.dp),
-                                    verticalAlignment = Alignment.CenterVertically
-                                ) {
-                                    Checkbox(
-                                        checked = state.amenityIds.contains(id),
-                                        onCheckedChange = { viewModel.onAmenityToggle(id) }
-                                    )
-                                    if (iconKey.isNotBlank()) {
-                                        AsyncImage(
-                                            model = "${ApiConstants.BASE_URL}icons/png/$iconKey.png",
-                                            contentDescription = amenity.name ?: iconKey,
-                                            modifier = Modifier
-                                                .size(24.dp)
-                                                .padding(end = 8.dp)
-                                        )
-                                    } else {
-                                        Spacer(modifier = Modifier.width(8.dp))
-                                    }
-                                    Column(modifier = Modifier.weight(1f)) {
-                                        Text(text = amenity.name.orEmpty())
-                                        if (!amenity.category.isNullOrBlank()) {
-                                            Text(
-                                                text = amenity.category.orEmpty(),
-                                                style = MaterialTheme.typography.bodySmall,
-                                                color = MaterialTheme.colorScheme.onSurfaceVariant
-                                            )
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-            },
-            confirmButton = {
-                TextButton(onClick = { showAmenityDialog.value = false }) {
-                    Text("Done")
-                }
-            }
-        )
-    }
-
     val preview = previewUrl.value
     if (!preview.isNullOrBlank()) {
-        com.android.trisolarispms.ui.roomimage.ImagePreviewDialog(
+        ImagePreviewDialog(
             imageUrl = preview,
             onDismiss = { previewUrl.value = null }
         )

app/src/main/java/com/android/trisolarispms/ui/roomtype/RoomTypeFormScreen.kt

@@ -0,0 +1,275 @@
+package com.android.trisolarispms.ui.roomtype
+
+import androidx.compose.foundation.layout.Arrangement
+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.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.Delete
+import androidx.compose.material.icons.filled.Done
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+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.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import coil.compose.AsyncImage
+import com.android.trisolarispms.data.api.ApiConstants
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+fun RoomTypeFormScreen(
+    title: String,
+    propertyId: String,
+    onBack: () -> Unit,
+    onSave: () -> Unit,
+    codeEditable: Boolean,
+    onDelete: (() -> Unit)? = null,
+    viewModel: RoomTypeFormViewModel = viewModel(),
+    amenityViewModel: AmenityListViewModel = viewModel(),
+    extraContent: @Composable (() -> Unit)? = null
+) {
+    val state by viewModel.state.collectAsState()
+    val amenityState by amenityViewModel.state.collectAsState()
+    val showAmenityDialog = remember { mutableStateOf(false) }
+    val amenitySearch = remember { mutableStateOf("") }
+
+    LaunchedEffect(Unit) {
+        amenityViewModel.load()
+    }
+
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text(title) },
+                navigationIcon = {
+                    IconButton(onClick = onBack) {
+                        Icon(Icons.Default.ArrowBack, contentDescription = "Back")
+                    }
+                },
+                actions = {
+                    IconButton(onClick = onSave) {
+                        Icon(Icons.Default.Done, contentDescription = "Save")
+                    }
+                    if (onDelete != null) {
+                        IconButton(onClick = onDelete) {
+                            Icon(Icons.Default.Delete, contentDescription = "Delete Room Type")
+                        }
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors()
+            )
+        }
+    ) { padding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(padding)
+                .padding(24.dp)
+                .verticalScroll(rememberScrollState()),
+            verticalArrangement = Arrangement.Top
+        ) {
+            OutlinedTextField(
+                value = state.code,
+                onValueChange = { value ->
+                    if (codeEditable) {
+                        viewModel.onCodeChange(value)
+                    }
+                },
+                readOnly = !codeEditable,
+                label = { Text("Code") },
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.name,
+                onValueChange = viewModel::onNameChange,
+                label = { Text("Name") },
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.baseOccupancy,
+                onValueChange = viewModel::onBaseOccupancyChange,
+                label = { Text("Base Occupancy") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.maxOccupancy,
+                onValueChange = viewModel::onMaxOccupancyChange,
+                label = { Text("Max Occupancy") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.sqFeet,
+                onValueChange = viewModel::onSqFeetChange,
+                label = { Text("Sq Ft") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.bathroomSqFeet,
+                onValueChange = viewModel::onBathroomSqFeetChange,
+                label = { Text("Bathroom Sq Ft") },
+                keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
+                modifier = Modifier.fillMaxWidth()
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Text(text = "Amenities", style = MaterialTheme.typography.titleSmall)
+                Button(onClick = { showAmenityDialog.value = true }) {
+                    Text("Edit")
+                }
+            }
+            val selectedCount = state.amenityIds.size
+            Text(
+                text = if (selectedCount == 0) "No amenities selected" else "$selectedCount selected",
+                style = MaterialTheme.typography.bodySmall
+            )
+            Spacer(modifier = Modifier.height(12.dp))
+
+            OutlinedTextField(
+                value = state.otaAliases,
+                onValueChange = viewModel::onAliasesChange,
+                label = { Text("OTA Aliases (comma separated)") },
+                modifier = Modifier.fillMaxWidth()
+            )
+
+            extraContent?.let {
+                Spacer(modifier = Modifier.height(16.dp))
+                it()
+            }
+
+            state.error?.let {
+                Spacer(modifier = Modifier.height(12.dp))
+                Text(text = it, color = MaterialTheme.colorScheme.error)
+            }
+        }
+    }
+
+    if (showAmenityDialog.value) {
+        val query = amenitySearch.value.trim()
+        val filtered = if (query.isBlank()) {
+            amenityState.items
+        } else {
+            amenityState.items.filter {
+                val name = it.name.orEmpty()
+                val category = it.category.orEmpty()
+                name.contains(query, ignoreCase = true) || category.contains(query, ignoreCase = true)
+            }
+        }
+        AlertDialog(
+            onDismissRequest = { showAmenityDialog.value = false },
+            title = { Text("Select Amenities") },
+            text = {
+                Column {
+                    OutlinedTextField(
+                        value = amenitySearch.value,
+                        onValueChange = { amenitySearch.value = it },
+                        label = { Text("Search") },
+                        modifier = Modifier.fillMaxWidth()
+                    )
+                    Spacer(modifier = Modifier.height(12.dp))
+                    if (amenityState.items.isEmpty()) {
+                        Text(text = "No amenities available", style = MaterialTheme.typography.bodySmall)
+                    } else if (filtered.isEmpty()) {
+                        Text(text = "No matches", style = MaterialTheme.typography.bodySmall)
+                    } else {
+                        LazyColumn(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .height(320.dp)
+                        ) {
+                            items(filtered) { amenity ->
+                                val id = amenity.id ?: return@items
+                                val iconKey = amenity.iconKey.orEmpty().removeSuffix(".png")
+                                Row(
+                                    modifier = Modifier
+                                        .fillMaxWidth()
+                                        .padding(vertical = 6.dp),
+                                    verticalAlignment = Alignment.CenterVertically
+                                ) {
+                                    Checkbox(
+                                        checked = state.amenityIds.contains(id),
+                                        onCheckedChange = { viewModel.onAmenityToggle(id) }
+                                    )
+                                    if (iconKey.isNotBlank()) {
+                                        AsyncImage(
+                                            model = "${ApiConstants.BASE_URL}icons/png/$iconKey.png",
+                                            contentDescription = amenity.name ?: iconKey,
+                                            modifier = Modifier
+                                                .size(24.dp)
+                                                .padding(end = 8.dp)
+                                        )
+                                    } else {
+                                        Spacer(modifier = Modifier.width(8.dp))
+                                    }
+                                    Column(modifier = Modifier.weight(1f)) {
+                                        Text(text = amenity.name.orEmpty())
+                                        if (!amenity.category.isNullOrBlank()) {
+                                            Text(
+                                                text = amenity.category.orEmpty(),
+                                                style = MaterialTheme.typography.bodySmall,
+                                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                                            )
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            confirmButton = {
+                TextButton(onClick = { showAmenityDialog.value = false }) {
+                    Text("Done")
+                }
+            }
+        )
+    }
+}

app/src/main/java/com/android/trisolarispms/ui/roomtype/RoomTypeFormViewModel.kt

@@ -14,6 +14,10 @@ class RoomTypeFormViewModel : ViewModel() {
     private val _state = MutableStateFlow(RoomTypeFormState())
     val state: StateFlow<RoomTypeFormState> = _state
 
+    fun resetForm() {
+        _state.update { RoomTypeFormState() }
+    }
+
     fun setRoomType(type: com.android.trisolarispms.data.api.model.RoomTypeDto) {
         _state.update {
             it.copy(

app/src/main/java/com/android/trisolarispms/ui/roomtype/RoomTypeListState.kt

@@ -6,5 +6,6 @@ data class RoomTypeListState(
     val isLoading: Boolean = false,
     val error: String? = null,
     val items: List<RoomTypeDto> = emptyList(),
-    val imageByTypeCode: Map<String, com.android.trisolarispms.data.api.model.ImageDto?> = emptyMap()
+    val imageByTypeCode: Map<String, com.android.trisolarispms.data.api.model.ImageDto?> = emptyMap(),
+    val availableCountByTypeCode: Map<String, Int> = emptyMap()
 )

app/src/main/java/com/android/trisolarispms/ui/roomtype/RoomTypeListViewModel.kt

@@ -29,6 +29,7 @@ class RoomTypeListViewModel : ViewModel() {
                         )
                     }
                     loadRoomTypeImages(propertyId, items)
+                    loadRoomTypeAvailableCounts(propertyId, items)
                 } else {
                     _state.update { it.copy(isLoading = false, error = "Load failed: ${response.code()}") }
                 }
@@ -59,4 +60,30 @@ class RoomTypeListViewModel : ViewModel() {
             }
         }
     }
+
+    private fun loadRoomTypeAvailableCounts(propertyId: String, items: List<com.android.trisolarispms.data.api.model.RoomTypeDto>) {
+        viewModelScope.launch {
+            val api = ApiClient.create()
+            val updates = mutableMapOf<String, Int>()
+            for (item in items) {
+                val code = item.code?.trim().orEmpty()
+                if (code.isBlank()) continue
+                try {
+                    val response = api.listRoomsByType(
+                        propertyId = propertyId,
+                        roomTypeCode = code,
+                        availableOnly = true
+                    )
+                    if (response.isSuccessful) {
+                        updates[code] = response.body().orEmpty().size
+                    }
+                } catch (_: Exception) {
+                    // Ignore per-item failures.
+                }
+            }
+            if (updates.isNotEmpty()) {
+                _state.update { it.copy(availableCountByTypeCode = it.availableCountByTypeCode + updates) }
+            }
+        }
+    }
 }

app/src/main/java/com/android/trisolarispms/ui/roomtype/RoomTypesScreen.kt

@@ -13,6 +13,9 @@ import androidx.compose.foundation.layout.size
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.AspectRatio
+import androidx.compose.material.icons.filled.Bed
+import androidx.compose.material.icons.filled.Groups
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
@@ -105,11 +108,61 @@ fun RoomTypesScreen(
                                         .clip(MaterialTheme.shapes.medium)
                                 )
                             }
-                            Text(
-                                text = "${item.code} • ${item.name}",
-                                style = MaterialTheme.typography.titleMedium,
-                                modifier = Modifier.fillMaxWidth()
-                            )
+                            Column(modifier = Modifier.fillMaxWidth()) {
+                                Text(
+                                    text = "${item.code} • ${item.name}",
+                                    style = MaterialTheme.typography.titleMedium
+                                )
+                                Row(
+                                    horizontalArrangement = Arrangement.spacedBy(12.dp)
+                                ) {
+                                    item.maxOccupancy?.let { max ->
+                                        Row(
+                                            horizontalArrangement = Arrangement.spacedBy(4.dp)
+                                        ) {
+                                            Icon(
+                                                imageVector = Icons.Default.Groups,
+                                                contentDescription = "Max occupancy",
+                                                modifier = Modifier.size(16.dp)
+                                            )
+                                            Text(
+                                                text = max.toString(),
+                                                style = MaterialTheme.typography.bodySmall
+                                            )
+                                        }
+                                    }
+                                    state.availableCountByTypeCode[item.code.orEmpty()]?.let { count ->
+                                        Row(
+                                            horizontalArrangement = Arrangement.spacedBy(4.dp)
+                                        ) {
+                                            Icon(
+                                                imageVector = Icons.Default.Bed,
+                                                contentDescription = "Available rooms",
+                                                modifier = Modifier.size(16.dp)
+                                            )
+                                            Text(
+                                                text = count.toString(),
+                                                style = MaterialTheme.typography.bodySmall
+                                            )
+                                        }
+                                    }
+                                    item.sqFeet?.let { sq ->
+                                        Row(
+                                            horizontalArrangement = Arrangement.spacedBy(4.dp)
+                                        ) {
+                                            Icon(
+                                                imageVector = Icons.Default.AspectRatio,
+                                                contentDescription = "Room size",
+                                                modifier = Modifier.size(16.dp)
+                                            )
+                                            Text(
+                                                text = "${sq} sq ft",
+                                                style = MaterialTheme.typography.bodySmall
+                                            )
+                                        }
+                                    }
+                                }
+                            }
                         }
                         Spacer(modifier = Modifier.height(12.dp))
                     }

gradle/libs.versions.toml

@@ -18,6 +18,7 @@ lifecycleViewModelCompose = "2.10.0"
 firebaseAuthKtx = "24.0.1"
 vectordrawable = "1.2.0"
 coilCompose = "2.7.0"
+lottieCompose = "6.7.1"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -46,6 +47,7 @@ kotlinx-coroutines-play-services = { group = "org.jetbrains.kotlinx", name = "ko
 androidx-vectordrawable = { group = "androidx.vectordrawable", name = "vectordrawable", version.ref = "vectordrawable" }
 androidx-vectordrawable-animated = { group = "androidx.vectordrawable", name = "vectordrawable-animated", version.ref = "vectordrawable" }
 coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coilCompose" }
+lottie-compose = { group = "com.airbnb.android", name = "lottie-compose", version.ref = "lottieCompose" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }