import { Router } from 'express'
import { scraperMap, scraperList } from '../scrapers/index.js'

const router = Router()

// GET /api/scraper?site=kompas&q=keyword&limit=10
router.get('/', async (req, res) => {
  const { site, q, limit = 10 } = req.query

  if (!site) {
    return res.json({
      status   : false,
      error    : "Parameter 'site' wajib diisi",
      available: scraperList
    })
  }

  if (!q) {
    return res.json({ status: false, error: "Parameter 'q' (keyword) wajib diisi" })
  }

  const fn = scraperMap[site.toLowerCase()]
  if (!fn) {
    return res.json({
      status   : false,
      error    : `Scraper '${site}' tidak ditemukan`,
      available: scraperList
    })
  }

  const result = await fn(q, parseInt(limit))
  res.json(result)
})

// GET /api/scraper/list — daftar semua scraper
router.get('/list', (_, res) => {
  res.json({ status: true, scrapers: scraperList })
})

// GET /api/scraper/all?q=keyword&limit=5 — jalanin semua scraper sekaligus
router.get('/all', async (req, res) => {
  const { q, limit = 5 } = req.query
  if (!q) return res.json({ status: false, error: "Parameter 'q' wajib diisi" })

  const results = await Promise.allSettled(
    scraperList.map(site => scraperMap[site](q, parseInt(limit)))
  )

  const data = results.map((r, i) =>
    r.status === 'fulfilled'
      ? r.value
      : { status: false, source: scraperList[i], error: r.reason?.message }
  )

  const merged = data.flatMap(r => r.data ?? [])

  res.json({
    status  : true,
    total   : merged.length,
    sources : data.map(r => ({ source: r.source, total: r.total ?? 0, ok: r.status })),
    data    : merged
  })
})

export default router