Auto-commit after successful build: update app gameplay/UI, improve build setup

Changed files:\napp/build.gradle.kts
app/src/main/java/solutions/tretter/githugandroid/GameProgressStore.kt
app/src/main/java/solutions/tretter/githugandroid/GitHugApp.kt

app/build.gradle.kts

@@ -11,8 +11,8 @@ android {
         applicationId = "solutions.tretter.githugandroid"
         minSdk = 26
         targetSdk = 34
-        versionCode = 64
-        versionName = "0.1.63"
+        versionCode = 67
+        versionName = "0.1.66"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true

app/src/main/java/solutions/tretter/githugandroid/GameProgressStore.kt

@@ -0,0 +1,39 @@
+package solutions.tretter.githugandroid
+
+import android.content.Context
+import androidx.datastore.preferences.core.PreferenceDataStoreFactory
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.emptyPreferences
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStoreFile
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.map
+import java.io.IOException
+
+class GameProgressStore(private val context: Context) {
+    private val dataStore = PreferenceDataStoreFactory.create(
+        produceFile = { context.preferencesDataStoreFile("game_progress_preferences") }
+    )
+
+    private val completedLevelsKey = stringPreferencesKey("completed_levels")
+
+    val completedLevelsFlow: Flow<Set<String>> = dataStore.data
+        .catch { error ->
+            if (error is IOException) emit(emptyPreferences()) else throw error
+        }
+        .map { preferences ->
+            preferences[completedLevelsKey]
+                ?.split(',')
+                ?.map { it.trim() }
+                ?.filter { it.isNotEmpty() }
+                ?.toSet()
+                ?: emptySet()
+        }
+
+    suspend fun saveCompletedLevels(completedLevels: Set<String>) {
+        dataStore.edit { preferences ->
+            preferences[completedLevelsKey] = completedLevels.joinToString(",")
+        }
+    }
+}

app/src/main/java/solutions/tretter/githugandroid/GitHugApp.kt

@@ -38,7 +38,9 @@ fun GitHugApp() {
         val levels = remember { sampleLevels() }
         val runtime = remember(context) { GitRepositoryRuntime(context.applicationContext) }
         val paneLayoutStore = remember(context) { PaneLayoutStore(context.applicationContext) }
+        val gameProgressStore = remember(context) { GameProgressStore(context.applicationContext) }
         val persistedPaneLayout by paneLayoutStore.layoutFlow.collectAsState(initial = defaultPaneLayout())
+        val persistedCompletedLevels by gameProgressStore.completedLevelsFlow.collectAsState(initial = emptySet())
         val scope = rememberCoroutineScope()
         val screenScrollState = rememberScrollState()
         val screenHeightDp = configuration.screenHeightDp
@@ -57,6 +59,7 @@ fun GitHugApp() {
         var commandHistory by remember { mutableStateOf(listOf<String>()) }
         var historyIndex by remember { mutableStateOf(-1) }
         var historyDraft by remember { mutableStateOf("") }
+        var hasRestoredProgress by remember { mutableStateOf(false) }
         val currentLevel = levels[currentLevelIndex]
 
         LaunchedEffect(persistedPaneLayout) {
@@ -78,6 +81,45 @@ fun GitHugApp() {
             }
         }
 
+        LaunchedEffect(persistedCompletedLevels) {
+            completedLevels = persistedCompletedLevels
+            if (!hasRestoredProgress) {
+                hasRestoredProgress = true
+                val firstIncompleteIndex = levels.indexOfFirst { it.id !in persistedCompletedLevels }
+                val resumeIndex = firstIncompleteIndex.takeIf { it >= 0 } ?: levels.lastIndex
+                currentLevelIndex = resumeIndex
+                repo = runtime.prepareLevel(levels[resumeIndex])
+                output = listOf(
+                    if (persistedCompletedLevels.size == levels.size) {
+                        "🏁 All Githug levels completed."
+                    } else if (persistedCompletedLevels.isEmpty()) {
+                        runtime.startupBanner()
+                    } else {
+                        "Resumed at level: ${levels[resumeIndex].title}"
+                    }
+                )
+                commandInput = TextFieldValue(text = "", selection = TextRange.Zero)
+                suppressedImeEcho = null
+                hintIndex = 0
+                activeExerciseDetail = null
+                visibleHint = null
+                historyIndex = -1
+                historyDraft = ""
+                paneLayout = paneLayout.copy(
+                    weights = paneLayout.weights + recommendedPaneWeights(
+                        heights = recommendedPaneHeights(
+                            level = levels[resumeIndex],
+                            levelCount = levels.size,
+                            outputLineCount = 1,
+                            screenHeightDp = screenHeightDp,
+                            suggestionsVisible = false,
+                            visibleHint = null,
+                        ),
+                    )
+                )
+            }
+        }
+
         fun applyRecommendedPaneWeights(persist: Boolean = true) {
             updatePaneLayout(
                 transform = { layout ->
@@ -230,10 +272,12 @@ fun GitHugApp() {
                 }
             }
             if (solvedAfterCommand && !wasAlreadyCompleted) {
-                completedLevels = completedLevels + currentLevel.id
-                val hasNextLevel = currentLevelIndex < levels.lastIndex
-                if (hasNextLevel) {
-                    loadLevel(currentLevelIndex + 1)
+                val updatedCompletedLevels = completedLevels + currentLevel.id
+                completedLevels = updatedCompletedLevels
+                scope.launch { gameProgressStore.saveCompletedLevels(updatedCompletedLevels) }
+                val nextLevelIndex = levels.indexOfFirst { it.id !in updatedCompletedLevels }
+                if (nextLevelIndex >= 0) {
+                    loadLevel(nextLevelIndex)
                 } else {
                     repo = newRepo
                     output = listOf("🏁 All Githug levels completed.")