pub mod types;
pub mod online;
pub mod offline;
pub mod hybrid;

pub use types::*;
pub use online::{OnlineRepository, JRayActor};
pub use offline::OfflineRepository;
pub use hybrid::HybridRepository;

use async_trait::async_trait;

/// Repository trait for media access (online, offline, or hybrid)
///
/// @req: UR-002 - Access media when online or offline
/// @req: UR-007 - Navigate media in library
/// @req: UR-008 - Search media across libraries
/// @req: IR-010 - Jellyfin API client for library browsing
/// @req: DR-012 - Local database for media metadata cache
/// @req: DR-013 - Repository pattern for online/offline data access
#[async_trait]
pub trait MediaRepository: Send + Sync {
    /// Get all libraries
    ///
    /// @req: UR-007 - Navigate media in library
    /// @req: JA-003 - Get user library views
    async fn get_libraries(&self) -> Result<Vec<Library>, RepoError>;

    /// Get items in a library or parent
    ///
    /// @req: UR-007 - Navigate media in library
    /// @req: JA-004 - Get library items (paginated)
    async fn get_items(
        &self,
        parent_id: &str,
        options: Option<GetItemsOptions>,
    ) -> Result<SearchResult, RepoError>;

    /// Get a single item by ID
    ///
    /// @req: UR-007 - Navigate media in library
    /// @req: JA-005 - Get item details and metadata
    async fn get_item(&self, item_id: &str) -> Result<MediaItem, RepoError>;

    /// Get latest items in a library
    ///
    /// @req: UR-024 - View recently added content on server
    /// @req: JA-016 - Get recently added items
    async fn get_latest_items(
        &self,
        parent_id: &str,
        limit: Option<usize>,
    ) -> Result<Vec<MediaItem>, RepoError>;

    /// Get resume items (continue watching/listening)
    ///
    /// @req: UR-019 - Resume playback from where you left off
    /// @req: UR-023 - View "Next Up" / Continue Watching on home screen
    /// @req: JA-015 - Get "Continue Watching" items
    async fn get_resume_items(
        &self,
        parent_id: Option<&str>,
        limit: Option<usize>,
    ) -> Result<Vec<MediaItem>, RepoError>;

    /// Get next up episodes
    ///
    /// @req: UR-023 - View "Next Up" / Continue Watching; auto-play next episode
    /// @req: JA-014 - Get "Next Up" items
    async fn get_next_up_episodes(
        &self,
        series_id: Option<&str>,
        limit: Option<usize>,
    ) -> Result<Vec<MediaItem>, RepoError>;

    /// Get recently played audio
    async fn get_recently_played_audio(
        &self,
        limit: Option<usize>,
    ) -> Result<Vec<MediaItem>, RepoError>;

    /// Get albums the user has played, but not recently ("rediscover" / haven't
    /// listened to in a while). Returns albums sorted by least-recently played
    /// first, optionally restricted to a parent library.
    async fn get_rediscover_albums(
        &self,
        parent_id: Option<&str>,
        limit: Option<usize>,
    ) -> Result<Vec<MediaItem>, RepoError>;

    /// Get resume movies
    async fn get_resume_movies(&self, limit: Option<usize>) -> Result<Vec<MediaItem>, RepoError>;

    /// Get genres
    async fn get_genres(&self, parent_id: Option<&str>) -> Result<Vec<Genre>, RepoError>;

    /// Search for items
    ///
    /// @req: UR-008 - Search media across libraries
    /// @req: JA-006 - Search across libraries
    async fn search(
        &self,
        query: &str,
        options: Option<SearchOptions>,
    ) -> Result<SearchResult, RepoError>;

    /// Get playback info for streaming
    ///
    /// @req: UR-003 - Play videos
    /// @req: UR-004 - Play audio uninterrupted
    /// @req: JA-007 - Get playback info and stream URL
    async fn get_playback_info(&self, item_id: &str) -> Result<PlaybackInfo, RepoError>;

    /// Get audio stream URL for a track
    ///
    /// @req: UR-004 - Play audio uninterrupted
    /// @req: JA-007 - Get playback info and stream URL
    async fn get_audio_stream_url(&self, item_id: &str) -> Result<String, RepoError>;

    /// Get Live TV channels (broadcast / IPTV) for browsing.
    async fn get_live_tv_channels(&self) -> Result<Vec<MediaItem>, RepoError>;

    /// Get the root list of plugin "Channels" (Jellyfin Channels feature).
    /// Drill-down into a channel reuses `get_items(channel_id, ...)`.
    async fn get_channels(&self) -> Result<SearchResult, RepoError>;

    /// Open a live stream (Live TV channel or live channel item) for playback.
    ///
    /// Returns the server transcoding URL plus identifiers needed to manage the
    /// stream. Required before a live channel can be played over HLS.
    async fn open_live_stream(&self, item_id: &str) -> Result<LiveStreamInfo, RepoError>;

    /// Report playback start
    ///
    /// @req: UR-025 - Sync watch history and progress back to Jellyfin
    /// @req: JA-010 - Report playback start
    async fn report_playback_start(
        &self,
        item_id: &str,
        position_ticks: i64,
    ) -> Result<(), RepoError>;

    /// Report playback progress
    ///
    /// @req: UR-025 - Sync watch history and progress back to Jellyfin
    /// @req: JA-011 - Report playback progress (periodic)
    async fn report_playback_progress(
        &self,
        item_id: &str,
        position_ticks: i64,
    ) -> Result<(), RepoError>;

    /// Report playback stopped
    ///
    /// @req: UR-025 - Sync watch history and progress back to Jellyfin
    /// @req: JA-012 - Report playback stopped
    async fn report_playback_stopped(
        &self,
        item_id: &str,
        position_ticks: i64,
    ) -> Result<(), RepoError>;

    /// Get image URL (synchronous - just constructs URL)
    fn get_image_url(
        &self,
        item_id: &str,
        image_type: ImageType,
        options: Option<ImageOptions>,
    ) -> String;

    /// Get subtitle URL (synchronous - just constructs URL)
    /// Called by frontend via Tauri invoke (getSubtitleUrl in VideoPlayer.svelte)
    #[allow(dead_code)]
    fn get_subtitle_url(
        &self,
        item_id: &str,
        media_source_id: &str,
        stream_index: i32,
        format: &str,
    ) -> String;

    /// Get video download URL (synchronous - just constructs URL)
    /// Called by frontend via Tauri invoke (getVideoDownloadUrl in VideoDownloadButton.svelte)
    #[allow(dead_code)]
    fn get_video_download_url(
        &self,
        item_id: &str,
        quality: &str,
        media_source_id: Option<&str>,
    ) -> String;

    /// Mark item as favorite
    async fn mark_favorite(&self, item_id: &str) -> Result<(), RepoError>;

    /// Unmark item as favorite
    async fn unmark_favorite(&self, item_id: &str) -> Result<(), RepoError>;

    /// Get person details
    async fn get_person(&self, person_id: &str) -> Result<MediaItem, RepoError>;

    /// Get items by person (filmography)
    async fn get_items_by_person(
        &self,
        person_id: &str,
        options: Option<GetItemsOptions>,
    ) -> Result<SearchResult, RepoError>;

    /// Get similar/related items for a movie or show
    ///
    /// @req: UR-009 - Discover similar content based on current item
    async fn get_similar_items(
        &self,
        item_id: &str,
        limit: Option<usize>,
    ) -> Result<SearchResult, RepoError>;

    // ===== Playlist Methods =====

    /// Create a new playlist on the server
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-019 - Get/create/update playlists
    async fn create_playlist(
        &self,
        name: &str,
        item_ids: &[String],
    ) -> Result<PlaylistCreatedResult, RepoError>;

    /// Delete a playlist
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-019 - Get/create/update playlists
    async fn delete_playlist(&self, playlist_id: &str) -> Result<(), RepoError>;

    /// Rename a playlist
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-019 - Get/create/update playlists
    async fn rename_playlist(&self, playlist_id: &str, name: &str) -> Result<(), RepoError>;

    /// Get playlist items with PlaylistItemId (needed for remove/reorder)
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-019 - Get/create/update playlists
    async fn get_playlist_items(
        &self,
        playlist_id: &str,
    ) -> Result<Vec<PlaylistEntry>, RepoError>;

    /// Add items to a playlist
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-020 - Add/remove items from playlist
    async fn add_to_playlist(
        &self,
        playlist_id: &str,
        item_ids: &[String],
    ) -> Result<(), RepoError>;

    /// Remove items from a playlist using entry IDs (PlaylistItemId, NOT media item IDs)
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-020 - Add/remove items from playlist
    async fn remove_from_playlist(
        &self,
        playlist_id: &str,
        entry_ids: &[String],
    ) -> Result<(), RepoError>;

    /// Move a playlist item to a new position
    ///
    /// @req: UR-014 - Make and edit playlists of music that sync back to Jellyfin
    /// @req: JA-020 - Add/remove items from playlist
    async fn move_playlist_item(
        &self,
        playlist_id: &str,
        item_id: &str,
        new_index: u32,
    ) -> Result<(), RepoError>;
}