/* eslint max-len: 0, no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
const details = () => ({
  id: 'Tdarr_Plugin_gabehf_Remove_PGS_If_ASS_Exists',
  Stage: 'Pre-processing',
  Name: 'Remove PGS Subs if ASS Subs Exist',
  Type: 'Subtitle',
  Operation: 'Transcode',
  Description:
    'Removes all PGS subtitles if any SubStationAlpha subtitles are found in the container.',
  Version: '1.0',
  Tags: 'pre-processing,ffmpeg,subtitle only',
  Inputs: [],
});
  // eslint-disable-next-line @typescript-eslint/no-unused-vars
const plugin = (file, librarySettings, inputs, otherArguments) => {
  let languages = [];
  const lib = require('../methods/lib')();

  const response = {
    processFile: false,
    preset: '',
    container: `.${file.container}`,
    handBrakeMode: false,
    FFmpegMode: true,
    reQueueAfter: false,
    infoLog: '',
  };

  // Check if file is a video. If it isn't then exit plugin.
  if (file.fileMedium !== 'video') {
    // eslint-disable-next-line no-console
    console.log('File is not video');
    response.infoLog += '☒File is not video \n';
    response.processFile = false;
    return response;
  }

  // Set up required variables.
  let ffmpegCommandInsert = '';
  let subtitleIdx = 0;
  let convert = false;
  let assExists = false;
  let pgsExists = false;
  let tmpInfoLog = ""

  for (let i = 0; i < file.ffProbeData.streams.length; i++) {
    try {
      if (file.ffProbeData.streams[i].codec_type.toLowerCase() === 'subtitle') {
        // for debug
        response.infoLog += `☒Subtitle stream 0:s:${subtitleIdx} - ${file.ffProbeData.streams[i].tags.title} - ${file.ffProbeData.streams[i].codec_name} \n`
        if (file.ffProbeData.streams[i].codec_name.toLowerCase() === 'ass') {
          assExists = true;
        } else if (file.ffProbeData.streams[i].codec_name.toLowerCase() === 'hdmv_pgs_subtitle') {
          pgsExists = true;
          // prepare to remove pgs subtitle stream
          ffmpegCommandInsert += `-map -0:s:${subtitleIdx} `;
          tmpInfoLog += `☒Subtitle stream detected as PGS when SubStationAlpha subtitles exists. Removing subtitle stream 0:s:${subtitleIdx} - ${file.ffProbeData.streams[i].tags.title} - ${file.ffProbeData.streams[i].codec_name}. \n`;
        }
        subtitleIdx += 1;
      }
    } catch (err) {
      // Error
    }
  }

  // only convert when both types of subs exist
  convert = pgsExists && assExists;

  // Convert file if convert variable is set to true.
  if (convert === true) {
    response.processFile = true;
    response.preset = `, -map 0 ${ffmpegCommandInsert}-c copy -max_muxing_queue_size 9999`;
    response.container = `.${file.container}`;
    response.reQueueAfter = true;
    response.infoLog += tmpInfoLog;
  } else {
    response.processFile = false;
    response.infoLog += "☑File doesn't contain subtitle tracks that require modification.\n";
  }
  return response;
};
module.exports.details = details;
module.exports.plugin = plugin;