'use strict';

// Tracks background container-remux jobs for video assets uploaded as .mov/
// .mkv — those formats often load slowly in-browser (moov/Cues index at the
// end of the file) compared to faststart .mp4. See services/ffmpeg.service.js
// + services/assetTranscode.service.js.
//
// STRING + explicit CHECK instead of a real ENUM — same CockroachDB
// constraint noted in 20270101000032-create-advertisements.js (addColumn
// can't create a new enum type the way createTable can).
module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.addColumn('assets', 'transcode_status', {
      type: Sequelize.STRING(20),
      allowNull: false,
      defaultValue: 'none',
    });

    await queryInterface.addColumn('assets', 'transcode_error', {
      type: Sequelize.TEXT,
      allowNull: true,
    });

    await queryInterface.addConstraint('assets', {
      fields: ['transcode_status'],
      type: 'check',
      name: 'check_assets_transcode_status',
      where: { transcode_status: { [Sequelize.Op.in]: ['none', 'pending', 'processing', 'done', 'failed'] } },
    });

    await queryInterface.sequelize.query(`
      CREATE INDEX idx_assets_transcode_status
      ON assets (transcode_status)
      WHERE transcode_status IN ('pending', 'processing');
    `);
  },

  async down(queryInterface) {
    await queryInterface.removeConstraint('assets', 'check_assets_transcode_status');
    await queryInterface.removeColumn('assets', 'transcode_status');
    await queryInterface.removeColumn('assets', 'transcode_error');
  },
};