SmoothTraining-FaceScanning

Adding visual clarity for duplicates detected

app/src/main/java/com/placeholder/sherpai2/ui/modelinventory/Personinventoryscreen.kt

@@ -1,6 +1,5 @@
 package com.placeholder.sherpai2.ui.modelinventory
 
-import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.*
@@ -14,17 +13,19 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 
 /**
- * PersonInventoryScreen - SUPERCHARGED UI with warnings and improved buttons
+ * PersonInventoryScreen - Simplified to match corrected ViewModel
  *
  * Features:
- * - Background scanning with navigation warnings
+ * - List of all persons with face models
- * - Real-time performance stats (images/sec)
+ * - Scan button to find person in library
- * - Fixed button layout (no text wrapping)
+ * - Real-time scanning progress
- * - Progress tracking
+ * - Delete person functionality
  */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -32,53 +33,8 @@ fun PersonInventoryScreen(
     viewModel: PersonInventoryViewModel = hiltViewModel(),
     onNavigateToPersonDetail: (String) -> Unit
 ) {
-    val uiState by viewModel.uiState.collectAsState()
+    val personsWithModels by viewModel.personsWithModels.collectAsStateWithLifecycle()
-    val scanningState by viewModel.scanningState.collectAsState()
+    val scanningState by viewModel.scanningState.collectAsStateWithLifecycle()
-    val isScanningInBackground by viewModel.isScanningInBackground.collectAsState()
-
-    // Navigation warning dialog
-    var showNavigationWarning by remember { mutableStateOf(false) }
-    var pendingNavigation by remember { mutableStateOf<(() -> Unit)?>(null) }
-
-    // Intercept back button when scanning
-    BackHandler(enabled = isScanningInBackground) {
-        showNavigationWarning = true
-    }
-
-    // Navigation warning dialog
-    if (showNavigationWarning) {
-        AlertDialog(
-            onDismissRequest = { showNavigationWarning = false },
-            title = { Text("Scan in Progress") },
-            text = {
-                Column {
-                    Text("A face scanning operation is running in the background.")
-                    Spacer(Modifier.height(8.dp))
-                    Text(
-                        "Leaving now will cancel the scan and you'll need to restart it.",
-                        style = MaterialTheme.typography.bodySmall
-                    )
-                }
-            },
-            confirmButton = {
-                TextButton(
-                    onClick = {
-                        viewModel.cancelScan()
-                        showNavigationWarning = false
-                        pendingNavigation?.invoke()
-                        pendingNavigation = null
-                    }
-                ) {
-                    Text("Cancel Scan & Leave", color = MaterialTheme.colorScheme.error)
-                }
-            },
-            dismissButton = {
-                TextButton(onClick = { showNavigationWarning = false }) {
-                    Text("Continue Scanning")
-                }
-            }
-        )
-    }
 
     Scaffold(
         topBar = {
@@ -86,9 +42,9 @@ fun PersonInventoryScreen(
                 title = {
                     Column {
                         Text("People")
-                        if (isScanningInBackground) {
+                        if (scanningState is ScanningState.Scanning) {
                             Text(
-                                "⚡ Scanning in background",
+                                "⚡ Scanning...",
                                 style = MaterialTheme.typography.bodySmall,
                                 color = MaterialTheme.colorScheme.primary
                             )
@@ -103,69 +59,51 @@ fun PersonInventoryScreen(
     ) { padding ->
         Column(Modifier.padding(padding)) {
             // Stats card
-            when (uiState) {
+            if (personsWithModels.isNotEmpty()) {
-                is PersonInventoryViewModel.InventoryUiState.Success -> {
+                StatsCard(personsWithModels)
-                    StatsCard((uiState as PersonInventoryViewModel.InventoryUiState.Success).persons)
+            }
+
+            // Scanning progress (if active)
+            when (val state = scanningState) {
+                is ScanningState.Scanning -> {
+                    ScanningProgressCard(state)
+                }
+                is ScanningState.Complete -> {
+                    CompletionCard(state) {
+                        viewModel.resetScanningState()
+                    }
+                }
+                is ScanningState.Error -> {
+                    ErrorCard(state) {
+                        viewModel.resetScanningState()
+                    }
                 }
                 else -> {}
             }
 
-            // Scanning progress (if active)
-            if (scanningState is PersonInventoryViewModel.ScanningState.Scanning) {
-                ScanningProgressCard(scanningState as PersonInventoryViewModel.ScanningState.Scanning)
-            }
-
-            // Completion message
-            if (scanningState is PersonInventoryViewModel.ScanningState.Complete) {
-                CompletionCard(scanningState as PersonInventoryViewModel.ScanningState.Complete)
-            }
-
             // Person list
-            when (val state = uiState) {
+            if (personsWithModels.isEmpty()) {
-                is PersonInventoryViewModel.InventoryUiState.Loading -> {
+                EmptyState()
-                    Box(
+            } else {
-                        modifier = Modifier.fillMaxSize(),
+                PersonList(
-                        contentAlignment = Alignment.Center
+                    persons = personsWithModels,
-                    ) {
+                    onScan = { personId ->
-                        CircularProgressIndicator()
+                        viewModel.scanForPerson(personId)
+                    },
+                    onView = { personId ->
+                        onNavigateToPersonDetail(personId)
+                    },
+                    onDelete = { personId ->
+                        viewModel.deletePerson(personId)
                     }
-                }
+                )
-                is PersonInventoryViewModel.InventoryUiState.Success -> {
-                    if (state.persons.isEmpty()) {
-                        EmptyState()
-                    } else {
-                        PersonList(
-                            persons = state.persons,
-                            onScan = { personId, faceModelId ->
-                                viewModel.scanLibraryForPerson(personId, faceModelId)
-                            },
-                            onImprove = { personId, faceModelId ->
-                                viewModel.startModelImprovement(personId, faceModelId)
-                            },
-                            onView = { personId ->
-                                if (isScanningInBackground) {
-                                    showNavigationWarning = true
-                                    pendingNavigation = { onNavigateToPersonDetail(personId) }
-                                } else {
-                                    onNavigateToPersonDetail(personId)
-                                }
-                            },
-                            onDelete = { personId, faceModelId ->
-                                viewModel.deletePerson(personId, faceModelId)
-                            }
-                        )
-                    }
-                }
-                is PersonInventoryViewModel.InventoryUiState.Error -> {
-                    ErrorState(state.message)
-                }
             }
         }
     }
 }
 
 @Composable
-fun StatsCard(persons: List<PersonInventoryViewModel.PersonWithStats>) {
+private fun StatsCard(persons: List<PersonWithModelInfo>) {
     Card(
         modifier = Modifier
             .fillMaxWidth()
@@ -187,7 +125,7 @@ fun StatsCard(persons: List<PersonInventoryViewModel.PersonWithStats>) {
             )
             StatItem(
                 icon = Icons.Default.Collections,
-                value = persons.sumOf { it.stats.taggedPhotoCount }.toString(),
+                value = persons.sumOf { it.taggedPhotoCount }.toString(),
                 label = "Tagged"
             )
         }
@@ -195,7 +133,11 @@ fun StatsCard(persons: List<PersonInventoryViewModel.PersonWithStats>) {
 }
 
 @Composable
-fun StatItem(icon: androidx.compose.ui.graphics.vector.ImageVector, value: String, label: String) {
+private fun StatItem(
+    icon: androidx.compose.ui.graphics.vector.ImageVector,
+    value: String,
+    label: String
+) {
     Column(
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = Modifier.padding(8.dp)
@@ -210,6 +152,7 @@ fun StatItem(icon: androidx.compose.ui.graphics.vector.ImageVector, value: Strin
         Text(
             value,
             style = MaterialTheme.typography.headlineMedium,
+            fontWeight = FontWeight.Bold,
             color = MaterialTheme.colorScheme.onPrimaryContainer
         )
         Text(
@@ -221,16 +164,21 @@ fun StatItem(icon: androidx.compose.ui.graphics.vector.ImageVector, value: Strin
 }
 
 @Composable
-fun ScanningProgressCard(state: PersonInventoryViewModel.ScanningState.Scanning) {
+private fun ScanningProgressCard(state: ScanningState.Scanning) {
     Card(
         modifier = Modifier
             .fillMaxWidth()
-            .padding(16.dp),
+            .padding(horizontal = 16.dp, vertical = 8.dp),
         colors = CardDefaults.cardColors(
             containerColor = MaterialTheme.colorScheme.secondaryContainer
         )
     ) {
-        Column(Modifier.padding(16.dp)) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(12.dp)
+        ) {
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.SpaceBetween,
@@ -238,45 +186,34 @@ fun ScanningProgressCard(state: PersonInventoryViewModel.ScanningState.Scanning)
             ) {
                 Text(
                     "Scanning for ${state.personName}",
-                    style = MaterialTheme.typography.titleMedium
+                    style = MaterialTheme.typography.titleMedium,
+                    fontWeight = FontWeight.Bold
                 )
                 Text(
-                    "${state.progress}/${state.total}",
+                    "${state.completed} / ${state.total}",
-                    style = MaterialTheme.typography.bodySmall
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.secondary
                 )
             }
 
-            Spacer(Modifier.height(8.dp))
-
             LinearProgressIndicator(
-                progress = { state.progress.toFloat() / state.total.toFloat() },
+                progress = { if (state.total > 0) state.completed.toFloat() / state.total.toFloat() else 0f },
-                modifier = Modifier.fillMaxWidth()
+                modifier = Modifier.fillMaxWidth(),
             )
 
-            Spacer(Modifier.height(8.dp))
-
-            // Performance stats
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.SpaceBetween
             ) {
                 Text(
-                    "⚡ ${String.format("%.1f", state.imagesPerSecond)} images/sec",
+                    "✓ ${state.facesFound} matches found",
                     style = MaterialTheme.typography.bodySmall,
                     color = MaterialTheme.colorScheme.primary
                 )
                 Text(
-                    "Found: ${state.facesFound}",
+                    "%.1f img/sec".format(state.speed),
-                    style = MaterialTheme.typography.bodySmall
-                )
-            }
-
-            if (state.imagesSkipped > 0) {
-                Spacer(Modifier.height(4.dp))
-                Text(
-                    "Skipped: ${state.imagesSkipped} (no faces)",
                     style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.outline
+                    color = MaterialTheme.colorScheme.onSecondaryContainer
                 )
             }
         }
@@ -284,73 +221,127 @@ fun ScanningProgressCard(state: PersonInventoryViewModel.ScanningState.Scanning)
 }
 
 @Composable
-fun CompletionCard(state: PersonInventoryViewModel.ScanningState.Complete) {
+private fun CompletionCard(state: ScanningState.Complete, onDismiss: () -> Unit) {
     Card(
         modifier = Modifier
             .fillMaxWidth()
-            .padding(16.dp),
+            .padding(horizontal = 16.dp, vertical = 8.dp),
         colors = CardDefaults.cardColors(
-            containerColor = MaterialTheme.colorScheme.tertiaryContainer
+            containerColor = MaterialTheme.colorScheme.primaryContainer
         )
     ) {
         Row(
             modifier = Modifier
                 .fillMaxWidth()
                 .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
             verticalAlignment = Alignment.CenterVertically
         ) {
-            Icon(
+            Row(
-                Icons.Default.CheckCircle,
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
-                contentDescription = null,
+                verticalAlignment = Alignment.CenterVertically
-                modifier = Modifier.size(32.dp),
+            ) {
-                tint = MaterialTheme.colorScheme.tertiary
+                Icon(
-            )
+                    Icons.Default.CheckCircle,
-            Spacer(Modifier.width(12.dp))
+                    contentDescription = null,
-            Column {
+                    tint = MaterialTheme.colorScheme.primary,
-                Text(
+                    modifier = Modifier.size(32.dp)
-                    "Scan Complete!",
-                    style = MaterialTheme.typography.titleMedium,
-                    color = MaterialTheme.colorScheme.onTertiaryContainer
-                )
-                Text(
-                    "Found ${state.facesFound} photos of ${state.personName} in ${String.format("%.1f", state.durationSeconds)}s",
-                    style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.onTertiaryContainer
                 )
+                Column {
+                    Text(
+                        "Scan Complete!",
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
+                    )
+                    Text(
+                        "Found ${state.personName} in ${state.facesFound} photos",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onPrimaryContainer
+                    )
+                }
+            }
+            IconButton(onClick = onDismiss) {
+                Icon(Icons.Default.Close, "Dismiss")
             }
         }
     }
 }
 
 @Composable
-fun PersonList(
+private fun ErrorCard(state: ScanningState.Error, onDismiss: () -> Unit) {
-    persons: List<PersonInventoryViewModel.PersonWithStats>,
+    Card(
-    onScan: (String, String) -> Unit,
+        modifier = Modifier
-    onImprove: (String, String) -> Unit,
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp, vertical = 8.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.errorContainer
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Icon(
+                    Icons.Default.Error,
+                    contentDescription = null,
+                    tint = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.size(32.dp)
+                )
+                Column {
+                    Text(
+                        "Scan Failed",
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
+                    )
+                    Text(
+                        state.message,
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onErrorContainer
+                    )
+                }
+            }
+            IconButton(onClick = onDismiss) {
+                Icon(Icons.Default.Close, "Dismiss")
+            }
+        }
+    }
+}
+
+@Composable
+private fun PersonList(
+    persons: List<PersonWithModelInfo>,
+    onScan: (String) -> Unit,
     onView: (String) -> Unit,
-    onDelete: (String, String) -> Unit
+    onDelete: (String) -> Unit
 ) {
     LazyColumn(
-        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(vertical = 8.dp)
-        contentPadding = PaddingValues(bottom = 16.dp)
     ) {
-        items(persons, key = { it.person.id }) { personWithStats ->
+        items(
+            items = persons,
+            key = { it.person.id }
+        ) { person ->
             PersonCard(
-                person = personWithStats,
+                person = person,
-                onScan = { onScan(personWithStats.person.id, personWithStats.stats.faceModelId) },
+                onScan = { onScan(person.person.id) },
-                onImprove = { onImprove(personWithStats.person.id, personWithStats.stats.faceModelId) },
+                onView = { onView(person.person.id) },
-                onView = { onView(personWithStats.person.id) },
+                onDelete = { onDelete(person.person.id) }
-                onDelete = { onDelete(personWithStats.person.id, personWithStats.stats.faceModelId) }
             )
         }
     }
 }
 
 @Composable
-fun PersonCard(
+private fun PersonCard(
-    person: PersonInventoryViewModel.PersonWithStats,
+    person: PersonWithModelInfo,
     onScan: () -> Unit,
-    onImprove: () -> Unit,
     onView: () -> Unit,
     onDelete: () -> Unit
 ) {
@@ -410,10 +401,13 @@ fun PersonCard(
                 Column(Modifier.weight(1f)) {
                     Text(
                         person.person.name,
-                        style = MaterialTheme.typography.titleMedium
+                        style = MaterialTheme.typography.titleMedium,
+                        fontWeight = FontWeight.Bold
                     )
+
+                    val trainingCount = person.faceModel?.trainingImageCount ?: 0
                     Text(
-                        "${person.stats.taggedPhotoCount} photos • ${person.stats.trainingImageCount} trained",
+                        "${person.taggedPhotoCount} photos • $trainingCount trained",
                         style = MaterialTheme.typography.bodySmall,
                         color = MaterialTheme.colorScheme.outline
                     )
@@ -431,12 +425,12 @@ fun PersonCard(
 
             Spacer(Modifier.height(12.dp))
 
-            // IMPROVED BUTTON LAYOUT - No text wrapping!
+            // Action buttons
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.spacedBy(8.dp)
             ) {
-                // Primary action - Scan
+                // Scan button
                 Button(
                     onClick = onScan,
                     modifier = Modifier.weight(1f)
@@ -447,10 +441,10 @@ fun PersonCard(
                         modifier = Modifier.size(18.dp)
                     )
                     Spacer(Modifier.width(4.dp))
-                    Text("Scan", maxLines = 1)
+                    Text("Scan Library", maxLines = 1)
                 }
 
-                // Secondary action - View
+                // View button
                 OutlinedButton(
                     onClick = onView,
                     modifier = Modifier.weight(1f)
@@ -461,51 +455,7 @@ fun PersonCard(
                         modifier = Modifier.size(18.dp)
                     )
                     Spacer(Modifier.width(4.dp))
-                    Text("View", maxLines = 1)
+                    Text("View Photos", maxLines = 1)
-                }
-
-                // Tertiary - More menu
-                var showMenu by remember { mutableStateOf(false) }
-
-                Box {
-                    IconButton(
-                        onClick = { showMenu = true },
-                        modifier = Modifier
-                            .size(48.dp)
-                            .border(
-                                1.dp,
-                                MaterialTheme.colorScheme.outline,
-                                MaterialTheme.shapes.small
-                            )
-                    ) {
-                        Icon(Icons.Default.MoreVert, "More")
-                    }
-
-                    DropdownMenu(
-                        expanded = showMenu,
-                        onDismissRequest = { showMenu = false }
-                    ) {
-                        DropdownMenuItem(
-                            text = { Text("Improve Model") },
-                            onClick = {
-                                showMenu = false
-                                onImprove()
-                            },
-                            leadingIcon = {
-                                Icon(Icons.Default.TrendingUp, null)
-                            }
-                        )
-                        DropdownMenuItem(
-                            text = { Text("Export Data") },
-                            onClick = {
-                                showMenu = false
-                                // TODO: Handle export
-                            },
-                            leadingIcon = {
-                                Icon(Icons.Default.Share, null)
-                            }
-                        )
-                    }
                 }
             }
         }
@@ -513,7 +463,7 @@ fun PersonCard(
 }
 
 @Composable
-fun EmptyState() {
+private fun EmptyState() {
     Box(
         modifier = Modifier
             .fillMaxSize()
@@ -522,21 +472,19 @@ fun EmptyState() {
     ) {
         Column(
             horizontalAlignment = Alignment.CenterHorizontally,
-            verticalArrangement = Arrangement.Center
+            verticalArrangement = Arrangement.spacedBy(16.dp)
         ) {
             Icon(
                 Icons.Default.PersonAdd,
                 contentDescription = null,
-                modifier = Modifier.size(64.dp),
+                modifier = Modifier.size(72.dp),
                 tint = MaterialTheme.colorScheme.outline
             )
-            Spacer(Modifier.height(16.dp))
             Text(
                 "No People Yet",
                 style = MaterialTheme.typography.titleLarge,
-                color = MaterialTheme.colorScheme.onSurface
+                fontWeight = FontWeight.Bold
             )
-            Spacer(Modifier.height(8.dp))
             Text(
                 "Train your first face model to get started",
                 style = MaterialTheme.typography.bodyMedium,
@@ -545,37 +493,3 @@ fun EmptyState() {
         }
     }
 }
-
-@Composable
-fun ErrorState(message: String) {
-    Box(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(32.dp),
-        contentAlignment = Alignment.Center
-    ) {
-        Column(
-            horizontalAlignment = Alignment.CenterHorizontally,
-            verticalArrangement = Arrangement.Center
-        ) {
-            Icon(
-                Icons.Default.Error,
-                contentDescription = null,
-                modifier = Modifier.size(64.dp),
-                tint = MaterialTheme.colorScheme.error
-            )
-            Spacer(Modifier.height(16.dp))
-            Text(
-                "Error Loading People",
-                style = MaterialTheme.typography.titleLarge,
-                color = MaterialTheme.colorScheme.onSurface
-            )
-            Spacer(Modifier.height(8.dp))
-            Text(
-                message,
-                style = MaterialTheme.typography.bodyMedium,
-                color = MaterialTheme.colorScheme.outline
-            )
-        }
-    }
-}

app/src/main/java/com/placeholder/sherpai2/ui/modelinventory/Personinventoryviewmodel.kt

@@ -19,6 +19,8 @@ import com.placeholder.sherpai2.ml.FaceNetModel
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
@@ -186,26 +188,27 @@ class PersonInventoryViewModel @Inject constructor(
                 val startTime = System.currentTimeMillis()
 
                 // Batch collection for DB writes (mutex-protected)
-                val batchMatches = mutableListOf<Triple<String, String, Float>>()  // (personId, imageId, confidence)
+                val batchMatches = mutableListOf<Triple<String, String, Float>>()
 
                 // ✅ MASSIVE PARALLELIZATION: Process all images concurrently
                 // Semaphore(50) limits to 50 simultaneous operations
-                untaggedImages.map { image ->
+                val deferredResults = untaggedImages.map { image ->
-                    kotlinx.coroutines.async(Dispatchers.IO) {
+                    async(Dispatchers.IO) {
                         semaphore.withPermit {
                             try {
                                 // Load and detect faces
                                 val uri = Uri.parse(image.imageUri)
-                                val inputStream = context.contentResolver.openInputStream(uri) ?: return@withPermit
+                                val inputStream = context.contentResolver.openInputStream(uri)
+                                if (inputStream == null) return@withPermit
+
                                 val bitmap = BitmapFactory.decodeStream(inputStream)
                                 inputStream.close()
 
                                 if (bitmap == null) return@withPermit
 
                                 val mlImage = InputImage.fromBitmap(bitmap, 0)
-                                val faces = com.google.android.gms.tasks.Tasks.await(
+                                val facesTask = detector.process(mlImage)
-                                    detector.process(mlImage)
+                                val faces = com.google.android.gms.tasks.Tasks.await(facesTask)
-                                )
 
                                 // Check each detected face
                                 for (face in faces) {
@@ -271,7 +274,10 @@ class PersonInventoryViewModel @Inject constructor(
                             }
                         }
                     }
-                }.forEach { it.await() }  // Wait for all to complete
+                }
+
+                // Wait for all to complete
+                deferredResults.awaitAll()
 
                 // Flush remaining batch
                 batchUpdateMutex.withLock {