import type { HttpContext } from '@adonisjs/core/http'
import db from '@adonisjs/lucid/services/db'
import NzbService from '#services/nzb_service'

/** The catalog (REBUILD.md, part 9): a name search and a release's NZB. */
export default class ReleasesController {
  /** Releases whose name has every word of `q` (dots, dashes, underscores and spaces alike), newest first. */
  async index({ request }: HttpContext) {
    const q = String(request.input('q', '')).trim()
    const limit = Math.min(Number(request.input('limit', 50)) || 50, 200)
    const query = db
      .from('releases')
      .select('id', 'name', 'poster', 'groups', 'posted_at', 'files', 'file_total', 'bytes', 'complete', 'readable')
      .orderBy('posted_at', 'desc')
      .limit(limit)
    for (const word of q.split(/[\s._-]+/).filter(Boolean)) query.whereILike('name', `%${word.replace(/[\\%_]/g, '\\$&')}%`)
    return { releases: await query }
  }

  async nzb({ params, response }: HttpContext) {
    const nzb = await NzbService.build(Number(params.id))
    if (!nzb) return response.notFound({ error: 'No such release' })
    response.header('Content-Type', 'application/x-nzb')
    response.header('Content-Disposition', `attachment; filename="${nzb.name.replace(/["\\/]/g, '_')}.nzb"`)
    return nzb.xml
  }
}