From 16eecf6c083a08cf72756a8bf7194a0a65364899 Mon Sep 17 00:00:00 2001
From: genki <123@1234.com>
Date: Sat, 20 Dec 2025 11:39:46 -0500
Subject: [PATCH] CheckPoint save for adding 'Tour' screen, and PhotoData and
 PhotoViewModels

---
 .idea/gradle.xml                              |   1 +
 .idea/misc.xml                                |   1 -
 app/build.gradle.kts                          |   2 +
 .../com/placeholder/sherpai2/MainActivity.kt  |   3 +-
 .../placeholder/sherpai2/data/photos/Photo.kt |  20 +++
 .../sherpai2/data/photos/SamplePhoto.kt       |  25 ++++
 .../sherpai2/data/repo/PhotoRepository.kt     |  11 ++
 .../sherpai2/navigation/AppDestinations.kt    |   6 +
 .../sherpai2/navigation/MainScreen.kt         |   2 +-
 .../sherpai2/presentation/MainContentArea.kt  |  66 +++++++-
 .../sherpai2/presentation/PhotoListScreen.kt  |  35 +++++
 .../sherpai2/ui/tourscreen/GalleryScreen.kt   | 141 ++++++++++++++++++
 .../ui/tourscreen/GalleryViewModel.kt         |  97 ++++++++++++
 .../ui/tourscreen/components/AlbumBox.kt      |   4 +
 14 files changed, 409 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/data/photos/Photo.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/data/photos/SamplePhoto.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/data/repo/PhotoRepository.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/presentation/PhotoListScreen.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryScreen.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryViewModel.kt
 create mode 100644 app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/components/AlbumBox.kt

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 97f0a8e..639c779 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 74dd639..b2c751a 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 5c05377..4044103 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -72,4 +72,6 @@ dependencies {
 
     implementation("androidx.compose.foundation:foundation:1.6.0") // Use your current Compose version
     implementation("androidx.compose.material3:material3:1.2.1") // <-- Fix/Reconfirm Material 3
+
+    implementation("io.coil-kt:coil-compose:2.6.0")
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/MainActivity.kt b/app/src/main/java/com/placeholder/sherpai2/MainActivity.kt
index 4d4e1cf..086bf6d 100644
--- a/app/src/main/java/com/placeholder/sherpai2/MainActivity.kt
+++ b/app/src/main/java/com/placeholder/sherpai2/MainActivity.kt
@@ -26,4 +26,5 @@ class MainActivity : ComponentActivity() {
             }
         }
     }
-}
\ No newline at end of file
+}
+
diff --git a/app/src/main/java/com/placeholder/sherpai2/data/photos/Photo.kt b/app/src/main/java/com/placeholder/sherpai2/data/photos/Photo.kt
new file mode 100644
index 0000000..7c8fc22
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/data/photos/Photo.kt
@@ -0,0 +1,20 @@
+package com.placeholder.sherpai2.data.photos
+
+data class Photo(
+    val id: String,
+    val uri: String,
+    val title: String? = null,
+    val timestamp: Long
+)
+
+data class Album(
+    val id: String,
+    val title: String,
+    val photos: List<Photo>
+)
+
+data class AlbumPhoto(
+    val id: Int,
+    val imageUrl: String,
+    val description: String
+)
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/data/photos/SamplePhoto.kt b/app/src/main/java/com/placeholder/sherpai2/data/photos/SamplePhoto.kt
new file mode 100644
index 0000000..095bd2d
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/data/photos/SamplePhoto.kt
@@ -0,0 +1,25 @@
+package com.placeholder.sherpai2.data.photos
+
+import com.placeholder.sherpai2.data.photos.Photo
+
+object SamplePhotoSource {
+
+    fun loadPhotos(): List<Photo> {
+        return listOf(
+            Photo(
+                id = "1",
+                uri = "file:///sdcard/Pictures/20200115_181335.jpg",
+                title = "Sample One",
+                timestamp = System.currentTimeMillis()
+            ),
+            Photo(
+                id = "2",
+                uri = "file:///sdcard/Pictures/20200115_181417.jpg",
+                title = "Sample Two",
+                timestamp = System.currentTimeMillis()
+            )
+        )
+    }
+}
+ // /sdcard/Pictures/20200115_181335.jpg
+// /sdcard/Pictures/20200115_181417.jpg
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/data/repo/PhotoRepository.kt b/app/src/main/java/com/placeholder/sherpai2/data/repo/PhotoRepository.kt
new file mode 100644
index 0000000..41cc9f8
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/data/repo/PhotoRepository.kt
@@ -0,0 +1,11 @@
+package com.placeholder.sherpai2.data.repo
+
+import com.placeholder.sherpai2.data.photos.Photo
+import com.placeholder.sherpai2.data.photos.SamplePhotoSource
+
+class PhotoRepository {
+
+    fun getPhotos(): List<Photo> {
+        return SamplePhotoSource.loadPhotos()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/navigation/AppDestinations.kt b/app/src/main/java/com/placeholder/sherpai2/navigation/AppDestinations.kt
index 6cdc2a5..992d2dc 100644
--- a/app/src/main/java/com/placeholder/sherpai2/navigation/AppDestinations.kt
+++ b/app/src/main/java/com/placeholder/sherpai2/navigation/AppDestinations.kt
@@ -10,6 +10,11 @@ import androidx.compose.ui.graphics.vector.ImageVector
  */
 sealed class AppDestinations(val route: String, val icon: ImageVector, val label: String) {
     // Core Functional Sections
+    object Tour : AppDestinations(
+        route = "Tour",
+        icon = Icons.Default.PhotoLibrary,
+        label = "Tour"
+    )
     object Search : AppDestinations("search", Icons.Default.Search, "Search")
     object Models : AppDestinations("models", Icons.Default.Layers, "Models")
     object Inventory : AppDestinations("inv", Icons.Default.Inventory2, "Inv")
@@ -23,6 +28,7 @@ sealed class AppDestinations(val route: String, val icon: ImageVector, val label
 
 // Lists used by the AppDrawerContent to render the menu sections easily
 val mainDrawerItems = listOf(
+    AppDestinations.Tour,
     AppDestinations.Search,
     AppDestinations.Models,
     AppDestinations.Inventory,
diff --git a/app/src/main/java/com/placeholder/sherpai2/navigation/MainScreen.kt b/app/src/main/java/com/placeholder/sherpai2/navigation/MainScreen.kt
index a845b1e..5baf9c2 100644
--- a/app/src/main/java/com/placeholder/sherpai2/navigation/MainScreen.kt
+++ b/app/src/main/java/com/placeholder/sherpai2/navigation/MainScreen.kt
@@ -16,7 +16,7 @@ fun MainScreen() {
     val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
     val scope = rememberCoroutineScope()
     // State to track which screen is currently visible
-    //var currentScreen by remember { mutableStateOf(AppDestinations.Search) }
+    // var currentScreen by remember { mutableStateOf(AppDestinations.Search) }
     var currentScreen: AppDestinations by remember { mutableStateOf(AppDestinations.Search) }
 
     // ModalNavigationDrawer provides the left sidebar UI/UX
diff --git a/app/src/main/java/com/placeholder/sherpai2/presentation/MainContentArea.kt b/app/src/main/java/com/placeholder/sherpai2/presentation/MainContentArea.kt
index 0dcf5e6..7602a65 100644
--- a/app/src/main/java/com/placeholder/sherpai2/presentation/MainContentArea.kt
+++ b/app/src/main/java/com/placeholder/sherpai2/presentation/MainContentArea.kt
@@ -1,15 +1,20 @@
 // In presentation/MainContentArea.kt
 package com.placeholder.sherpai2.presentation
 
+import androidx.compose.ui.graphics.Color
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import com.placeholder.sherpai2.navigation.AppDestinations
+import com.placeholder.sherpai2.ui.theme.SherpAI2Theme
 
 @Composable
 fun MainContentArea(currentScreen: AppDestinations, modifier: Modifier = Modifier) {
@@ -21,7 +26,8 @@ fun MainContentArea(currentScreen: AppDestinations, modifier: Modifier = Modifie
     ) {
         // Swaps the UI content based on the selected screen from the drawer
         when (currentScreen) {
-            AppDestinations.Search -> SimplePlaceholder("Search Screen: Find your models and data.")
+            AppDestinations.Tour -> TwinAlbumScreen("New Collections." , "Classics")
+            AppDestinations.Search -> SimplePlaceholder("Search for your photo.")
             AppDestinations.Models -> SimplePlaceholder("Models Screen: Manage your LoRA/embeddings.")
             AppDestinations.Inventory -> SimplePlaceholder("Inventory Screen: View all collected data.")
             AppDestinations.Train -> SimplePlaceholder("Train Screen: Start the LoRA adaptation process.")
@@ -39,4 +45,60 @@ private fun SimplePlaceholder(text: String) {
         style = MaterialTheme.typography.titleLarge,
         modifier = Modifier.padding(16.dp)
     )
-}
\ No newline at end of file
+}
+
+
+@Composable
+fun AlbumPreview(title: String, color: Color) {
+    Box(
+        modifier = Modifier
+            .padding(8.dp)
+            .aspectRatio(1f) // Makes it a square
+            .background(color, shape = RoundedCornerShape(12.dp)),
+        contentAlignment = Alignment.Center
+    ) {
+        Text(text = title, color = Color.White, fontWeight = FontWeight.Bold)
+    }
+}
+
+@Composable
+fun TwinAlbumScreen(albumNameA: String, albumNameB: String) {
+    Column(modifier = Modifier.fillMaxSize()) {
+        // --- Top 40% Section ---
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .weight(0.30f) // This takes exactly 40% of vertical space
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.spacedBy(2.dp),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            // These two occupy the 40% area
+            Box(modifier = Modifier.weight(1f)) {
+                AlbumPreview("Mackenzie Hazer", Color.Blue)
+            }
+            Box(modifier = Modifier.weight(1f)) {
+                AlbumPreview("Winifred", Color.Magenta)
+            }
+        }
+
+        // --- Bottom 60% Section ---
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .weight(0.6f) // This takes the remaining 60%
+                .background(Color.LightGray.copy(alpha = 0.2f))
+        ) {
+            Text("Other content goes here", modifier = Modifier.align(Alignment.Center))
+        }
+    }
+}
+@Preview
+@Composable
+fun PreviewTwinTopRow() {
+    SherpAI2Theme {
+        TwinAlbumScreen("Album A", "Album B")
+    }
+}
+
+
diff --git a/app/src/main/java/com/placeholder/sherpai2/presentation/PhotoListScreen.kt b/app/src/main/java/com/placeholder/sherpai2/presentation/PhotoListScreen.kt
new file mode 100644
index 0000000..e911100
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/presentation/PhotoListScreen.kt
@@ -0,0 +1,35 @@
+package com.placeholder.sherpai2.presentation
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+import coil.compose.rememberAsyncImagePainter
+
+import com.placeholder.sherpai2.data.photos.Photo
+import com.placeholder.sherpai2.data.photos.SamplePhotoSource
+
+@Composable
+fun PhotoListScreen(
+    photos: List<Photo>
+) {
+    LazyColumn(
+        modifier = Modifier.fillMaxSize(),
+        contentPadding = PaddingValues(8.dp)
+    ) {
+        items(photos, key = { it.id }) { photo ->
+            Image(
+                painter = rememberAsyncImagePainter(photo.uri),
+                contentDescription = photo.title,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(200.dp)
+                    .padding(bottom = 8.dp)
+            )
+        }
+    }
+}
diff --git a/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryScreen.kt b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryScreen.kt
new file mode 100644
index 0000000..6165294
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryScreen.kt
@@ -0,0 +1,141 @@
+package com.placeholder.sherpai2.ui.tourscreen
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.placeholder.sherpai2.data.photos.Album
+import com.placeholder.sherpai2.ui.theme.SherpAI2Theme
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.dp
+import coil.compose.AsyncImage
+import com.placeholder.sherpai2.presentation.AlbumPreview
+
+class GalleryScreen {
+}
+
+@Composable
+fun GalleryContent(topAlbums: List<Album>) {
+    Column(modifier = Modifier.fillMaxSize()) {
+        // --- Top 40% Section ---
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .weight(0.4f)
+                .padding(8.dp)
+        ) {
+            // We use .getOrNull to safely check if the albums exist in the list
+            val firstAlbum = topAlbums.getOrNull(0)
+            val secondAlbum = topAlbums.getOrNull(1)
+
+            if (firstAlbum != null) {
+                AlbumPreviewBoxRandom(album = firstAlbum, modifier = Modifier.weight(1f))
+            } else {
+                Box(modifier = Modifier.weight(1f)) // Empty placeholder
+            }
+
+            if (secondAlbum != null) {
+                AlbumPreviewBoxRandom(album = secondAlbum, modifier = Modifier.weight(1f))
+            } else {
+                Box(modifier = Modifier.weight(1f)) // Empty placeholder
+            }
+        }
+
+        // --- Bottom 60% Section ---
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .weight(0.6f)
+        ) {
+            Text("Lower Content Area", modifier = Modifier.align(Alignment.Center))
+        }
+    }
+}
+// --- STATEFUL (Use this for Production) ---
+@Composable
+fun GalleryScreen(viewModel: GalleryViewModel = viewModel()) {
+    val albumList by viewModel.albums
+    GalleryContent(topAlbums = albumList)
+}
+
+// --- PREVIEW ---
+@Preview(showBackground = true)
+@Composable
+fun GalleryPreview() {
+    SherpAI2Theme {
+        // Feed mock data into the Stateless version
+        GalleryContent(topAlbums = listOf(/* Fake Album Objects */))
+    }
+}
+
+
+@Composable
+fun AlbumPreviewBox(
+    album: Album,
+    modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier
+            .padding(8.dp)
+            .aspectRatio(1f), // Keeps it square
+        shape = RoundedCornerShape(12.dp),
+        elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
+    ) {
+        Box(
+            modifier = Modifier
+                .fillMaxSize()
+                .background(Color.DarkGray), // Background until image is loaded
+            contentAlignment = Alignment.BottomStart
+        ) {
+            // Title Overlay
+            Text(
+                text = album.title,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(Color.Black.copy(alpha = 0.5f))
+                    .padding(8.dp),
+                color = Color.White,
+                style = MaterialTheme.typography.labelLarge
+            )
+        }
+    }
+}
+
+@Composable
+fun AlbumPreviewBoxRandom(album: Album, modifier: Modifier = Modifier) {
+    Card(
+        modifier = modifier.padding(8.dp).aspectRatio(1f),
+        shape = RoundedCornerShape(12.dp)
+    ) {
+        Row(modifier = Modifier.fillMaxSize()) {
+            // Loop through the 3 random photos in the album
+            album.photos.forEach { photo ->
+                AsyncImage(
+                    model = photo.uri,
+                    contentDescription = null,
+                    modifier = Modifier
+                        .weight(1f)
+                        .fillMaxHeight(),
+                    contentScale = ContentScale.Crop // Fills the space nicely
+                )
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryViewModel.kt b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryViewModel.kt
new file mode 100644
index 0000000..b18fb68
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/GalleryViewModel.kt
@@ -0,0 +1,97 @@
+package com.placeholder.sherpai2.ui.tourscreen
+
+import android.os.Environment
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import com.placeholder.sherpai2.data.photos.AlbumPhoto
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.viewModelScope
+import com.placeholder.sherpai2.data.photos.Album // Import your data model
+import com.placeholder.sherpai2.data.photos.Photo
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+
+class GalleryViewModel : ViewModel() {
+    // This is the 'albums' reference your UI is looking for
+    private val _albums = mutableStateOf<List<Album>>(emptyList())
+    val albums: State<List<Album>> = _albums
+
+    init {
+        fetchInitialData()
+    }
+
+    private fun fetchInitialData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            val directory = File("/sdcard/photos") // Or: Environment.getExternalStorageDirectory()
+
+            if (directory.exists() && directory.isDirectory) {
+                val photoFiles = directory.listFiles { file ->
+                    file.extension.lowercase() in listOf("jpg", "jpeg", "png")
+                } ?: emptyArray()
+
+                // Map files to your Photo data class
+                val loadedPhotos = photoFiles.map { file ->
+                    Photo(
+                        id = file.absolutePath,
+                        uri = file.toURI().toString(),
+                        title = file.nameWithoutExtension,
+                        timestamp = file.lastModified()
+                    )
+                }
+
+                // Create an Album object with these photos
+                val mainAlbum = Album(
+                    id = "local_photos",
+                    title = "Phone Gallery",
+                    photos = loadedPhotos
+                )
+
+                // Update the UI State on the Main Thread
+                withContext(Dispatchers.Main) {
+                    _albums.value = listOf(mainAlbum)
+                }
+            }
+        }
+    }
+
+    private fun fetchInitialDataRandom() {
+        viewModelScope.launch(Dispatchers.IO) {
+            val root = Environment.getExternalStorageDirectory()
+            val directory = File(root, "photos")
+
+            if (directory.exists() && directory.isDirectory) {
+                // 1. Filter specifically for .jpg files
+                val photoFiles = directory.listFiles { file ->
+                    file.extension.lowercase() == "jpg"
+                } ?: emptyArray()
+
+                // 2. Shuffle the list and take only the first 3
+                val randomPhotos = photoFiles.asSequence()
+                    .shuffled()
+                    .take(3)
+                    .map { file ->
+                        Photo(
+                            id = file.absolutePath,
+                            uri = file.toURI().toString(),
+                            title = file.nameWithoutExtension,
+                            timestamp = file.lastModified()
+                        )
+                    }.toList()
+
+                // 3. Update the state with these 3 random photos
+                val mainAlbum = Album(
+                    id = "random_selection",
+                    title = "Random Picks",
+                    photos = randomPhotos
+                )
+
+                withContext(Dispatchers.Main) {
+                    _albums.value = listOf(mainAlbum)
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/components/AlbumBox.kt b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/components/AlbumBox.kt
new file mode 100644
index 0000000..1b376bc
--- /dev/null
+++ b/app/src/main/java/com/placeholder/sherpai2/ui/tourscreen/components/AlbumBox.kt
@@ -0,0 +1,4 @@
+package com.placeholder.sherpai2.ui.tourscreen.components
+
+class AlbumBox {
+}
\ No newline at end of file