import { assert } from 'chai';
import path from 'node:path';

import * as mm from '../lib/index.js';
import { samplePath } from './util.js';

import type { IFormat, INativeTagDict } from '../lib/index.js';

const wavSamples = path.join(samplePath, 'wav');

describe('Parse RIFF/WAVE audio format', () => {

  function checkExifTags(exif: INativeTagDict) {

    assert.deepEqual(exif.IART, ['Beth Hart & Joe Bonamassa'], 'exif.IART');
    assert.deepEqual(exif.ICRD, ['2011'], 'exif.ICRD');
    assert.deepEqual(exif.INAM, ['Sinner\'s Prayer'], 'exif.INAM');
    assert.deepEqual(exif.IPRD, ['Don\'t Explain'], 'exif.IPRD');
    assert.deepEqual(exif.ITRK, ['1/10'], 'exif.ITRK');
  }

  /**
   * Looks like RIFF/WAV not fully supported yet in MusicBrainz Picard: https://tickets.metabrainz.org/browse/PICARD-653?jql=text%20~%20%22RIFF%22.
   * This file has been fixed with Mp3Tag to have a valid ID3v2.3 tag
   */
  it('should parse LIST-INFO (EXIF)', async () => {

    const filename = 'MusicBrainz - Beth Hart - Sinner\'s Prayer [id3v2.3].wav';
    const filePath = path.join(samplePath, filename);

    function checkFormat(format: IFormat) {
      assert.deepEqual(format.container, 'WAVE', 'format.container');
      assert.deepEqual(format.codec, 'PCM', 'format.codec');
      assert.strictEqual(format.lossless, true);
      assert.deepEqual(format.tagTypes, ['exif', 'ID3v2.3'], 'format.tagTypes = [\'exif\', \'ID3v2.3\']');
      assert.strictEqual(format.sampleRate, 44100, 'format.sampleRate = 44.1 kHz');
      assert.strictEqual(format.bitsPerSample, 16, 'format.bitsPerSample = 16 bits');
      assert.strictEqual(format.bitrate, 1411200, 'format.bitrate = 1411200 bits/s');
      assert.strictEqual(format.numberOfChannels, 2, 'format.numberOfChannels = 2 channels');
      assert.strictEqual(format.numberOfSamples, 93624, 'format.numberOfSamples = 93624');
      assert.strictEqual(format.duration, 2.1229931972789116, 'format.duration = ~2.123 seconds (checked with Adobe Audition)');
    }

    // Parse wma/asf file
    const metadata = await mm.parseFile(filePath);
    // Check wma format
    checkFormat(metadata.format);
    // Check native tags
    checkExifTags(mm.orderTags(metadata.native.exif));
  });

  // Issue https://github.com/Borewit/music-metadata/issues/75
  it('should be able to handle complex nested chunk structures', async () => {

    const filePath = path.join(samplePath, 'issue_75.wav');

    const metadata = await mm.parseFile(filePath);
    assert.deepEqual(metadata.format.container, 'WAVE', 'format.container');
    assert.deepEqual(metadata.format.codec, 'PCM', 'format.codec');
  });

  it('should map RIFF tags to common', async () => {

    // Metadata edited with Adobe Audition CC 2018.1
    const filePath = path.join(samplePath, 'riff_adobe_audition.wav');

    const metadata = await mm.parseFile(filePath);
    const format = metadata.format;
    assert.strictEqual(format.lossless, true);
    assert.deepEqual(format.container, 'WAVE', 'format.container');
    assert.deepEqual(format.codec, 'PCM', 'format.codec');
    assert.deepEqual(format.bitsPerSample, 24);
    assert.deepEqual(format.sampleRate, 48000);
    assert.strictEqual(format.bitrate, 2304000, 'format.bitrate = 2304000 bits/s');
    assert.deepEqual(format.numberOfSamples, 13171);
    assert.deepEqual(format.duration, 0.27439583333333334, '~2.274 (checked with Adobe Audition)');
    assert.deepEqual(format.tagTypes, ['exif']);

    const exif = mm.orderTags(metadata.native.exif);
    assert.deepEqual(exif.IART, ['Wolfgang Amadeus Mozart'], 'exif.IART: Original Artist');
    assert.deepEqual(exif.ICMS, ['Louis Walker'], 'exif.ICMS: Commissioned');
    assert.deepEqual(exif.ICMT, ['Comments here!'], 'exif.ICMT: Comments');
    assert.deepEqual(exif.ICOP, ['Copyright 2018']);
    assert.deepEqual(exif.ICRD, ['2018-04-26T13:26:19-05:00']);
    assert.deepEqual(exif.IENG, ['Engineer'], 'exif.IENG: Engineer');
    assert.deepEqual(exif.IARL, ['https://github.com/borewit/music-metadata'], 'exif.IARL: Archival Location');
    assert.deepEqual(exif.IGNR, ['Blues'], 'exif.IGNR: Genre');
    assert.deepEqual(exif.IKEY, ['neat; cool; riff; tags'], 'exif.IKEY: Keywords');
    assert.deepEqual(exif.IMED, ['CD'], 'exif.IMED: Original Medium');
    assert.deepEqual(exif.INAM, ['The Magic Flute'], 'exif.INAM: Display Title');
    assert.deepEqual(exif.IPRD, ['La clemenzo di Tito'], 'exif.IPRD: Product');
    assert.deepEqual(exif.ISBJ, ['An opera in two acts'], 'exif.ISBJ: Subject');
    assert.deepEqual(exif.ISFT, ['Adobe Audition CC 2018.1 (Macintosh)']);
    assert.deepEqual(exif.ISRC, ['Foo Bar'], 'exif.ISRC Source Supplier');
    assert.deepEqual(exif.ITCH, ['Technician'], 'exif.ITCH: Technician');

    const common = metadata.common;
    assert.deepEqual(common.artists, ['Wolfgang Amadeus Mozart']);
    assert.deepEqual(common.title, 'The Magic Flute');
    assert.deepEqual(common.album, 'La clemenzo di Tito');
    assert.deepEqual(common.date, '2018-04-26T13:26:19-05:00');
    assert.deepEqual(common.year, 2018);
    assert.deepEqual(common.encodedby, 'Adobe Audition CC 2018.1 (Macintosh)');
    assert.deepEqual(common.comment, [{text: 'Comments here!'}]);
    assert.deepEqual(common.genre, ['Blues']);
    assert.deepEqual(common.engineer, ['Engineer']);
    assert.deepEqual(common.technician, ['Technician']);
    assert.deepEqual(common.media, 'CD');
  });

  it('should handle be able to handle odd chunk & padding', async () => {

    const filePath = path.join(samplePath, 'issue-161.wav');

    const metadata = await mm.parseFile(filePath, {duration: true});
    const format = metadata.format;
    assert.strictEqual(format.container, 'WAVE', 'format.container');
    assert.strictEqual(format.codec, 'PCM', 'format.codec');
    assert.strictEqual(format.lossless, true);
    assert.strictEqual(format.sampleRate, 48000);
    assert.strictEqual(format.bitsPerSample, 24);
    assert.strictEqual(format.bitrate, 2304000, 'format.bitrate = 2304000 bits/s');
    assert.strictEqual(format.numberOfSamples, 363448);
    assert.strictEqual(metadata.format.duration, format.numberOfSamples / format.sampleRate, 'file\'s duration');
  });

  describe('non-PCM', () => {

    it('should parse Microsoft 4-bit ADPCM encoded', () => {

      const filePath = path.join(samplePath, 'issue-92.wav');

      return mm.parseFile(filePath, {duration: true}).then(metadata => {
        const format = metadata.format;
        assert.strictEqual(format.container, 'WAVE', 'format.container');
        assert.strictEqual(format.codec, 'ADPCM', 'format.codec');
        assert.strictEqual(format.lossless, false);
        assert.strictEqual(format.sampleRate, 22050);
        assert.strictEqual(format.bitrate, 352000, 'format.bitrate = 352000 bits/s');
        assert.strictEqual(format.bitsPerSample, 4);
        assert.strictEqual(format.numberOfSamples, 4660260);
        assert.strictEqual(metadata.format.duration, format.numberOfSamples / format.sampleRate, 'file\'s duration is 3\'31"');
      });
    });

  });

  // https://github.com/Borewit/music-metadata/issues/707
  it('should handle missing chunk-size', async () => {

    const filePath = path.join(wavSamples, 'ffmpeg-missing-chunksize.wav');

    const {format} = await mm.parseFile(filePath);

    assert.strictEqual(format.container, 'WAVE', 'format.container');
    assert.strictEqual(format.codec, 'PCM', 'format.codec');
    assert.strictEqual(format.duration, 27648 / 44100, 'format.duration');
    assert.strictEqual(format.sampleRate, 44100, 'format.sampleRate');
    assert.strictEqual(format.bitrate, 1411200, 'format.bitrate = 1411200 bits/s');
  });

  it('should handle odd list-type ID in LIST chunk', async () => {

    const filePath = path.join(wavSamples, 'odd-list-type.wav');

    const {format} = await mm.parseFile(filePath);

    assert.strictEqual(format.container, 'WAVE', 'format.container');
    assert.strictEqual(format.codec, 'PCM', 'format.codec');
    assert.strictEqual(format.sampleRate, 44100, 'format.sampleRate');
    assert.strictEqual(format.bitrate, 2116800, 'format.bitrate = 2116800 bits/s');
    assert.approximately(format.duration, 3 / 44100, 1 / 20000, 'format.duration');
  });

  // https://github.com/Borewit/music-metadata/issues/819
  it('Duration despite wrong chunk size', async () => {
    const filePath = path.join(wavSamples, 'issue-819.wav');

    const {format} = await mm.parseFile(filePath);

    assert.strictEqual(format.container, 'WAVE');
    assert.strictEqual(format.codec, 'PCM');
    assert.strictEqual(format.bitrate, 256000, 'format.bitrate = 256000 bits/s');
    // assert.strictEqual(format.numberOfSamples, 2158080, 'format.numberOfSamples');
    assert.approximately(format.duration, 2478 / 16000, 5 / 1000, 'format.duration');
  });

  // https://github.com/Borewit/music-metadata/issues/1163
  it('Support chunk size larger then BWF extension', async () => {
    // const filePath = path.join(wavSamples, 'unreadable-tags.wav');
    const filePath = path.join(wavSamples, 'issue-1163.bwf');
    const {format, common, native} = await mm.parseFile(filePath);

    assert.strictEqual(format.container, 'WAVE', 'format.container');
    assert.strictEqual(format.codec, 'PCM', 'format.codec');

    assert.strictEqual(common.artist, 'Some Composer', 'common.artists');
    assert.strictEqual(common.title, 'Title Redacted', 'common.title');
    assert.deepStrictEqual(common.track, {no: 1, of: 12}, 'common.track');

    const exif = mm.orderTags(native.exif);
    assert.deepStrictEqual(exif['bext.originator'], ['Pro Tools'], 'BWF: exif.bext.originator');
  });

  // https://github.com/Borewit/music-metadata/pull/1572
  it("Should map 'IPRT' RIFF Tag to common", async () => {
    const filePath = path.join(wavSamples, 'riff-iprt-tag.wav');
    const { common } = await mm.parseFile(filePath);

    assert.strictEqual(common.track.no, 1, 'common.track.no');
    assert.strictEqual(common.track.of, 2, 'common.track.no');
  });
});

