import LidarrAPI from '@server/api/servarr/lidarr';
import { getSettings } from '@server/lib/settings';
import logger from '@server/logger';
import { Router } from 'express';

const musicRoutes = Router();

musicRoutes.get('/search', async (req, res, next) => {
  const { query } = req.query;

  if (!query || typeof query !== 'string') {
    return res.status(400).json({ error: 'Query parameter is required' });
  }

  try {
    const settings = getSettings();
    const lidarrSettings = settings.lidarr.find((l) => l.isDefault);

    if (!lidarrSettings) {
      return res.status(404).json({ error: 'No default Lidarr server configured' });
    }

    const lidarr = new LidarrAPI({
      apiKey: lidarrSettings.apiKey,
      url: LidarrAPI.buildUrl(lidarrSettings, '/api/v1'),
    });

    const artists = await lidarr.searchArtist(query);

    const results = artists.slice(0, 20).map((artist) => ({
      id: artist.foreignArtistId,
      mediaType: 'music',
      name: artist.artistName,
      artistType: artist.artistType,
      disambiguation: artist.disambiguation,
      status: artist.status,
      images: artist.images,
      genres: artist.genres,
      foreignArtistId: artist.foreignArtistId,
      statistics: artist.statistics,
      inLibrary: !!artist.id && artist.id > 0,
    }));

    return res.status(200).json({
      results,
      totalResults: results.length,
    });
  } catch (e) {
    logger.error('Failed to search music', {
      label: 'Music API',
      message: e.message,
    });
    next({ status: 500, message: 'Failed to search music' });
  }
});

musicRoutes.get('/artist/:mbId', async (req, res, next) => {
  try {
    const settings = getSettings();
    const lidarrSettings = settings.lidarr.find((l) => l.isDefault);

    if (!lidarrSettings) {
      return res.status(404).json({ error: 'No default Lidarr server configured' });
    }

    const lidarr = new LidarrAPI({
      apiKey: lidarrSettings.apiKey,
      url: LidarrAPI.buildUrl(lidarrSettings, '/api/v1'),
    });

    // Search by MusicBrainz ID
    const artists = await lidarr.searchArtist(`lidarr:${req.params.mbId}`);
    const artist = artists[0];

    if (!artist) {
      return res.status(404).json({ error: 'Artist not found' });
    }

    // Get albums if artist is in library
    let albums: any[] = [];
    const existingArtist = await lidarr.getArtistByMbId(req.params.mbId);
    if (existingArtist) {
      albums = await lidarr.getAlbums(existingArtist.id);
    }

    return res.status(200).json({
      ...artist,
      albums,
      inLibrary: !!existingArtist,
    });
  } catch (e) {
    logger.error('Failed to get artist details', {
      label: 'Music API',
      message: e.message,
    });
    next({ status: 500, message: 'Failed to get artist details' });
  }
});

musicRoutes.get('/album/search', async (req, res, next) => {
  const { query } = req.query;

  if (!query || typeof query !== 'string') {
    return res.status(400).json({ error: 'Query parameter is required' });
  }

  try {
    const settings = getSettings();
    const lidarrSettings = settings.lidarr.find((l) => l.isDefault);

    if (!lidarrSettings) {
      return res.status(404).json({ error: 'No default Lidarr server configured' });
    }

    const lidarr = new LidarrAPI({
      apiKey: lidarrSettings.apiKey,
      url: LidarrAPI.buildUrl(lidarrSettings, '/api/v1'),
    });

    const albums = await lidarr.searchAlbum(query);

    return res.status(200).json({
      results: albums.slice(0, 20),
      totalResults: albums.length,
    });
  } catch (e) {
    logger.error('Failed to search albums', {
      label: 'Music API',
      message: e.message,
    });
    next({ status: 500, message: 'Failed to search albums' });
  }
});

export default musicRoutes;