import { setTimeout } from 'node:timers/promises'

export async function task(): Promise<void> {
  if (WIKI.config.update?.locales === false) {
    return
  }

  WIKI.logger.info('Fetching latest localization data...')

  try {
    interface LocaleMetadata {
      languages: {
        language: string
        region?: string
        script?: string
        name: string
        localizedName: string
        isRtl: boolean
      }[]
    }
    const metadata = await fetch(
      'https://github.com/requarks/wiki-locales/raw/main/locales/metadata.json'
    ).then((r) => r.json() as Promise<LocaleMetadata>)
    for (const lang of metadata.languages) {
      // -> Build filename
      const langFilenameParts = [lang.language]
      if (lang.region) {
        langFilenameParts.push(lang.region)
      }
      if (lang.script) {
        langFilenameParts.push(lang.script)
      }
      const langFilename = langFilenameParts.join('-')

      WIKI.logger.debug(`Fetching updates for language ${langFilename}...`)

      // TODO: Adapt for v3
      // const strings = await fetch(`https://github.com/requarks/wiki-locales/raw/main/locales/${langFilename}.json`).then(r => r.json())
      // if (strings) {
      //   await WIKI.db.knex('locales').insert({
      //     code: langFilename,
      //     name: lang.name,
      //     nativeName: lang.localizedName,
      //     language: lang.language,
      //     region: lang.region,
      //     script: lang.script,
      //     isRTL: lang.isRtl,
      //     strings
      //   }).onConflict('code').merge({
      //     strings,
      //     updatedAt: new Date()
      //   })
      // }

      WIKI.logger.debug(`Updated strings for language ${langFilename}.`)

      await setTimeout(100)
    }

    WIKI.logger.info('Fetched latest localization data: [ COMPLETED ]')
  } catch (err: any) {
    WIKI.logger.error('Fetching latest localization data: [ FAILED ]')
    WIKI.logger.error(err.message)
    throw err
  }
}