using MediaBrowser.Controller;

namespace Jellyfin.Plugin.SmartPlaylist {

    public interface ISmartPlaylistFileSystem {
        public string PlaylistStoragePath { get; }
        public string CollectionStoragePath { get; }

        public string GetSmartPlaylistFilePath(string id);
        public string FindSmartPlaylistFilePath(string id);
        public string[] FindAllSmartPlaylistFilePaths();

        public string GetSmartCollectionFilePath(string id);
        public string FindSmartCollectionFilePath(string id);
        public string[] FindAllSmartCollectionFilePaths();
    }

    public class SmartFileSystem : ISmartPlaylistFileSystem {
        public SmartFileSystem(IServerApplicationPaths serverApplicationPaths) {
            PlaylistStoragePath = Path.Combine(serverApplicationPaths.DataPath, "smartplaylists");
            CollectionStoragePath = Path.Combine(serverApplicationPaths.DataPath, "smartcollections");
            if (!Directory.Exists(PlaylistStoragePath)) { Directory.CreateDirectory(PlaylistStoragePath); }
            if (!Directory.Exists(CollectionStoragePath)) { Directory.CreateDirectory(CollectionStoragePath); }
        }
        public string PlaylistStoragePath { get; }
        public string CollectionStoragePath { get; }
        public string GetSmartPlaylistFilePath(string id) {
            return Path.Combine(PlaylistStoragePath, $"{id}.yaml");
        }
        public string FindSmartPlaylistFilePath(string id) {
            return Directory.GetFiles(PlaylistStoragePath, $"{id}.yaml", SearchOption.AllDirectories).Concat(
                Directory.GetFiles(PlaylistStoragePath, $"{id}.yml", SearchOption.AllDirectories)
            ).Concat(
                Directory.GetFiles(PlaylistStoragePath, $"{id}.json", SearchOption.AllDirectories)
            ).First();
        }
        public string[] FindAllSmartPlaylistFilePaths() {
            return Directory.GetFiles(PlaylistStoragePath, "*.yaml", SearchOption.AllDirectories).Concat(
                Directory.GetFiles(PlaylistStoragePath, "*.yml", SearchOption.AllDirectories)
            ).Concat(
                Directory.GetFiles(PlaylistStoragePath, "*.json", SearchOption.AllDirectories)
            ).ToArray();
        }
        public string GetSmartCollectionFilePath(string id) {
            return Path.Combine(CollectionStoragePath, $"{id}.yaml");
        }
        public string FindSmartCollectionFilePath(string id) {
            return Directory.GetFiles(CollectionStoragePath, $"{id}.yaml", SearchOption.AllDirectories).Concat(
                Directory.GetFiles(CollectionStoragePath, $"{id}.yml", SearchOption.AllDirectories)
            ).Concat(
                Directory.GetFiles(CollectionStoragePath, $"{id}.json", SearchOption.AllDirectories)
            ).First();
        }
        public string[] FindAllSmartCollectionFilePaths() {
            return Directory.GetFiles(CollectionStoragePath, "*.yaml", SearchOption.AllDirectories).Concat(
                Directory.GetFiles(CollectionStoragePath, "*.yml", SearchOption.AllDirectories)
            ).Concat(
                Directory.GetFiles(CollectionStoragePath, "*.json", SearchOption.AllDirectories)
            ).ToArray();
        }

    }
}