library UI + reader mode

composeApp/src/commonMain/kotlin/net/sergeych/toread/LibraryPlatform.kt

@@ -0,0 +1,109 @@
+package net.sergeych.toread
+
+import net.sergeych.toread.fb2.Fb2Binary
+import net.sergeych.toread.fb2.Fb2Book
+
+data class LibraryItem(
+    val fileId: String,
+    val bookId: String?,
+    val title: String,
+    val authors: List<String> = emptyList(),
+    val language: String? = null,
+    val date: String? = null,
+    val format: String?,
+    val sizeBytes: Long?,
+    val storageUri: String?,
+    val lastSeenAt: Long?,
+    val coverImage: ByteArray? = null,
+    val coverImageMimeType: String? = null,
+)
+
+data class LibraryScanReport(
+    val scannedFiles: Int,
+    val importedFiles: Int,
+    val skippedFiles: Int,
+    val failedFiles: Int,
+)
+
+data class LibraryScanProgress(
+    val scannedFiles: Int,
+    val importedFiles: Int,
+    val skippedFiles: Int,
+    val failedFiles: Int,
+    val currentFile: String? = null,
+)
+
+data class PlatformOpenBookRequest(
+    val id: String,
+    val displayName: String,
+    val bytes: ByteArray,
+)
+
+data class ReadingPosition(
+    val itemIndex: Int,
+    val scrollOffset: Int,
+)
+
+data class BookInfoExtras(
+    val bookmarks: List<BookmarkInfo> = emptyList(),
+    val notes: List<NoteInfo> = emptyList(),
+    val lastReadingPosition: ReadingPosition? = null,
+)
+
+data class BookmarkInfo(
+    val title: String?,
+    val selectedText: String?,
+    val progress: Double?,
+    val updatedAt: Long,
+)
+
+data class NoteInfo(
+    val text: String,
+    val progress: Double?,
+    val updatedAt: Long,
+)
+
+enum class ThemeMode {
+    LIGHT,
+    DARK,
+    SYSTEM,
+}
+
+expect fun defaultLibraryScanPath(): String?
+
+expect suspend fun loadPlatformOpenBookRequest(): PlatformOpenBookRequest?
+
+expect suspend fun chooseLibraryScanDirectory(): String?
+
+expect suspend fun loadLibraryItems(): List<LibraryItem>
+
+expect suspend fun scanLibrarySubtree(path: String, onProgress: (LibraryScanProgress) -> Unit): LibraryScanReport
+
+expect suspend fun openLibraryBook(fileId: String): ByteArray?
+
+expect suspend fun deleteLibraryItem(fileId: String): Boolean
+
+expect suspend fun loadLibraryReadingPosition(fileId: String): ReadingPosition?
+
+expect suspend fun saveLibraryReadingPosition(fileId: String, position: ReadingPosition)
+
+expect suspend fun loadBookInfoExtras(fileId: String): BookInfoExtras
+
+expect suspend fun loadActiveReadingFileId(): String?
+
+expect suspend fun saveActiveReadingFileId(fileId: String?)
+
+expect suspend fun loadThemeMode(): ThemeMode
+
+expect suspend fun saveThemeMode(mode: ThemeMode)
+
+expect fun isPlatformDarkTheme(): Boolean
+
+expect fun watchPlatformDarkTheme(onChange: (Boolean) -> Unit): () -> Unit
+
+expect fun libraryLogPath(): String?
+
+internal fun Fb2Book.libraryCoverBinary(): Fb2Binary? {
+    val image = coverImages.firstOrNull() ?: bodyImages.firstOrNull()
+    return image?.let(::binaryFor)
+}