import { nanoid } from 'nanoid';
import { z } from 'zod';
import { JFAlbum, JFPlaylist, JFMusicFolder, JFGenre } from '/@/renderer/api/jellyfin.types';
import { jfType } from '/@/renderer/api/jellyfin/jellyfin-types';
import {
  Song,
  LibraryItem,
  Album,
  AlbumArtist,
  Playlist,
  MusicFolder,
  Genre,
} from '/@/renderer/api/types';
import { ServerListItem, ServerType } from '/@/renderer/types';

const getStreamUrl = (args: {
  container?: string;
  deviceId: string;
  eTag?: string;
  id: string;
  mediaSourceId?: string;
  server: ServerListItem | null;
}) => {
  const { id, server, deviceId } = args;

  return (
    `${server?.url}/audio` +
    `/${id}/universal` +
    `?userId=${server?.userId}` +
    `&deviceId=${deviceId}` +
    '&audioCodec=aac' +
    `&api_key=${server?.credential}` +
    `&playSessionId=${deviceId}` +
    '&container=opus,mp3,aac,m4a,m4b,flac,wav,ogg' +
    '&transcodingContainer=ts' +
    '&transcodingProtocol=hls'
  );
};

const getAlbumArtistCoverArtUrl = (args: {
  baseUrl: string;
  item: z.infer<typeof jfType._response.albumArtist>;
  size: number;
}) => {
  const size = args.size ? args.size : 300;

  if (!args.item.ImageTags?.Primary) {
    return null;
  }

  return (
    `${args.baseUrl}/Items` +
    `/${args.item.Id}` +
    '/Images/Primary' +
    `?width=${size}&height=${size}` +
    '&quality=96'
  );
};

const getAlbumCoverArtUrl = (args: { baseUrl: string; item: JFAlbum; size: number }) => {
  const size = args.size ? args.size : 300;

  if (!args.item.ImageTags?.Primary && !args.item?.AlbumPrimaryImageTag) {
    return null;
  }

  return (
    `${args.baseUrl}/Items` +
    `/${args.item.Id}` +
    '/Images/Primary' +
    `?width=${size}&height=${size}` +
    '&quality=96'
  );
};

const getSongCoverArtUrl = (args: {
  baseUrl: string;
  item: z.infer<typeof jfType._response.song>;
  size: number;
}) => {
  const size = args.size ? args.size : 100;

  if (args.item.ImageTags.Primary) {
    return (
      `${args.baseUrl}/Items` +
      `/${args.item.Id}` +
      '/Images/Primary' +
      `?width=${size}&height=${size}` +
      '&quality=96'
    );
  }

  if (args.item?.AlbumPrimaryImageTag) {
    // Fall back to album art if no image embedded
    return (
      `${args.baseUrl}/Items` +
      `/${args.item?.AlbumId}` +
      '/Images/Primary' +
      `?width=${size}&height=${size}` +
      '&quality=96'
    );
  }

  return null;
};

const getPlaylistCoverArtUrl = (args: { baseUrl: string; item: JFPlaylist; size: number }) => {
  const size = args.size ? args.size : 300;

  if (!args.item.ImageTags?.Primary) {
    return null;
  }

  return (
    `${args.baseUrl}/Items` +
    `/${args.item.Id}` +
    '/Images/Primary' +
    `?width=${size}&height=${size}` +
    '&quality=96'
  );
};

const normalizeSong = (
  item: z.infer<typeof jfType._response.song>,
  server: ServerListItem | null,
  deviceId: string,
  imageSize?: number,
): Song => {
  return {
    album: item.Album,
    albumArtists: item.AlbumArtists?.map((entry) => ({
      id: entry.Id,
      imageUrl: null,
      name: entry.Name,
    })),
    albumId: item.AlbumId,
    artistName: item?.ArtistItems?.[0]?.Name,
    artists: item?.ArtistItems?.map((entry) => ({
      id: entry.Id,
      imageUrl: null,
      name: entry.Name,
    })),
    bitRate: item.MediaSources && Number(Math.trunc(item.MediaSources[0]?.Bitrate / 1000)),
    bpm: null,
    channels: null,
    comment: null,
    compilation: null,
    container: (item.MediaSources && item.MediaSources[0]?.Container) || null,
    createdAt: item.DateCreated,
    discNumber: (item.ParentIndexNumber && item.ParentIndexNumber) || 1,
    duration: item.RunTimeTicks / 10000000,
    genres: item.GenreItems.map((entry: any) => ({ id: entry.Id, name: entry.Name })),
    id: item.Id,
    imagePlaceholderUrl: null,
    imageUrl: getSongCoverArtUrl({ baseUrl: server?.url || '', item, size: imageSize || 100 }),
    itemType: LibraryItem.SONG,
    lastPlayedAt: null,
    lyrics: null,
    name: item.Name,
    path: (item.MediaSources && item.MediaSources[0]?.Path) || null,
    playCount: (item.UserData && item.UserData.PlayCount) || 0,
    playlistItemId: item.PlaylistItemId,
    // releaseDate: (item.ProductionYear && new Date(item.ProductionYear, 0, 1).toISOString()) || null,
    releaseDate: null,
    releaseYear: item.ProductionYear ? String(item.ProductionYear) : null,
    serverId: server?.id || '',
    serverType: ServerType.JELLYFIN,
    size: item.MediaSources && item.MediaSources[0]?.Size,
    streamUrl: getStreamUrl({
      container: item.MediaSources?.[0]?.Container,
      deviceId,
      eTag: item.MediaSources?.[0]?.ETag,
      id: item.Id,
      mediaSourceId: item.MediaSources?.[0]?.Id,
      server,
    }),
    trackNumber: item.IndexNumber,
    uniqueId: nanoid(),
    updatedAt: item.DateCreated,
    userFavorite: (item.UserData && item.UserData.IsFavorite) || false,
    userRating: null,
  };
};

const normalizeAlbum = (
  item: z.infer<typeof jfType._response.album>,
  server: ServerListItem | null,
  imageSize?: number,
): Album => {
  return {
    albumArtists:
      item.AlbumArtists.map((entry) => ({
        id: entry.Id,
        imageUrl: null,
        name: entry.Name,
      })) || [],
    artists: item.ArtistItems?.map((entry) => ({ id: entry.Id, imageUrl: null, name: entry.Name })),
    backdropImageUrl: null,
    createdAt: item.DateCreated,
    duration: item.RunTimeTicks / 10000,
    genres: item.GenreItems?.map((entry) => ({ id: entry.Id, name: entry.Name })),
    id: item.Id,
    imagePlaceholderUrl: null,
    imageUrl: getAlbumCoverArtUrl({
      baseUrl: server?.url || '',
      item,
      size: imageSize || 300,
    }),
    isCompilation: null,
    itemType: LibraryItem.ALBUM,
    lastPlayedAt: null,
    name: item.Name,
    playCount: item.UserData?.PlayCount || 0,
    releaseDate: item.PremiereDate?.split('T')[0] || null,
    releaseYear: item.ProductionYear || null,
    serverId: server?.id || '',
    serverType: ServerType.JELLYFIN,
    size: null,
    songCount: item?.ChildCount || null,
    songs: item.Songs?.map((song) => normalizeSong(song, server, '', imageSize)),
    uniqueId: nanoid(),
    updatedAt: item?.DateLastMediaAdded || item.DateCreated,
    userFavorite: item.UserData?.IsFavorite || false,
    userRating: null,
  };
};

const normalizeAlbumArtist = (
  item: z.infer<typeof jfType._response.albumArtist> & {
    similarArtists?: z.infer<typeof jfType._response.albumArtistList>;
  },
  server: ServerListItem | null,
  imageSize?: number,
): AlbumArtist => {
  const similarArtists =
    item.similarArtists?.Items?.filter((entry) => entry.Name !== 'Various Artists').map(
      (entry) => ({
        id: entry.Id,
        imageUrl: getAlbumArtistCoverArtUrl({
          baseUrl: server?.url || '',
          item: entry,
          size: imageSize || 300,
        }),
        name: entry.Name,
      }),
    ) || [];

  return {
    albumCount: null,
    backgroundImageUrl: null,
    biography: item.Overview || null,
    duration: item.RunTimeTicks / 10000,
    genres: item.GenreItems?.map((entry) => ({ id: entry.Id, name: entry.Name })),
    id: item.Id,
    imageUrl: getAlbumArtistCoverArtUrl({
      baseUrl: server?.url || '',
      item,
      size: imageSize || 300,
    }),
    itemType: LibraryItem.ALBUM_ARTIST,
    lastPlayedAt: null,
    name: item.Name,
    playCount: item.UserData?.PlayCount || 0,
    serverId: server?.id || '',
    serverType: ServerType.JELLYFIN,
    similarArtists,
    songCount: null,
    userFavorite: item.UserData?.IsFavorite || false,
    userRating: null,
  };
};

const normalizePlaylist = (
  item: z.infer<typeof jfType._response.playlist>,
  server: ServerListItem | null,
  imageSize?: number,
): Playlist => {
  const imageUrl = getPlaylistCoverArtUrl({
    baseUrl: server?.url || '',
    item,
    size: imageSize || 300,
  });

  const imagePlaceholderUrl = null;

  return {
    description: item.Overview || null,
    duration: item.RunTimeTicks / 10000,
    genres: item.GenreItems?.map((entry) => ({ id: entry.Id, name: entry.Name })),
    id: item.Id,
    imagePlaceholderUrl,
    imageUrl: imageUrl || null,
    itemType: LibraryItem.PLAYLIST,
    name: item.Name,
    owner: null,
    ownerId: null,
    public: null,
    rules: null,
    serverId: server?.id || '',
    serverType: ServerType.JELLYFIN,
    size: null,
    songCount: item?.ChildCount || null,
    sync: null,
  };
};

const normalizeMusicFolder = (item: JFMusicFolder): MusicFolder => {
  return {
    id: item.Id,
    name: item.Name,
  };
};

// const normalizeArtist = (item: any) => {
//   return {
//     album: (item.album || []).map((entry: any) => normalizeAlbum(entry)),
//     albumCount: item.AlbumCount,
//     duration: item.RunTimeTicks / 10000000,
//     genre: item.GenreItems && item.GenreItems.map((entry: any) => normalizeItem(entry)),
//     id: item.Id,
//     image: getCoverArtUrl(item),
//     info: {
//       biography: item.Overview,
//       externalUrl: (item.ExternalUrls || []).map((entry: any) => normalizeItem(entry)),
//       imageUrl: undefined,
//       similarArtist: (item.similarArtist || []).map((entry: any) => normalizeArtist(entry)),
//     },
//     starred: item.UserData && item.UserData?.IsFavorite ? 'true' : undefined,
//     title: item.Name,
//     uniqueId: nanoid(),
//   };
// };

const normalizeGenre = (item: JFGenre): Genre => {
  return {
    albumCount: undefined,
    id: item.Id,
    name: item.Name,
    songCount: undefined,
  };
};

// const normalizeFolder = (item: any) => {
//   return {
//     created: item.DateCreated,
//     id: item.Id,
//     image: getCoverArtUrl(item, 150),
//     isDir: true,
//     title: item.Name,
//     type: Item.Folder,
//     uniqueId: nanoid(),
//   };
// };

// const normalizeScanStatus = () => {
//   return {
//     count: 'N/a',
//     scanning: false,
//   };
// };

export const jfNormalize = {
  album: normalizeAlbum,
  albumArtist: normalizeAlbumArtist,
  genre: normalizeGenre,
  musicFolder: normalizeMusicFolder,
  playlist: normalizePlaylist,
  song: normalizeSong,
};