import { BaseSchema } from '@adonisjs/lucid/schema'

/** name_stem(): also strip subtitle extensions, as lib/release fileStem does. */
export default class extends BaseSchema {
  async up() {
    this.defer(async (db) => {
      await db.rawQuery(`
        CREATE OR REPLACE FUNCTION name_stem(name text) RETURNS text IMMUTABLE LANGUAGE sql AS $$
          SELECT regexp_replace(name,
            '(\\.(part\\d+\\.rar|r\\d{2,3}|rar|vol\\d+[+-]\\d+\\.par2|par2|7z(\\.\\d{3})?|zip|\\d{3}|nfo|sfv|nzb|tar|zst|gz|xz|mkv|mp4|avi|m4v|ts|iso|img|flac|mp3|epub|pdf|jpg|png|srt|sub|idx|ass|ssa))+$',
            '', 'i')
        $$`)
    })
  }

  async down() {}
}