import { detectShop, type Shop } from '@/lib/shops'
import type { PriceScraper, ScrapeResult } from './types'

const registry = new Map<Shop, PriceScraper>()

export function registerScraper(scraper: PriceScraper) {
  registry.set(scraper.shop, scraper)
}

export async function scrapeUrl(url: string): Promise<ScrapeResult> {
  const shop = detectShop(url)
  if (!shop) throw new Error(`Unsupported URL: ${url}`)
  const scraper = registry.get(shop)
  if (!scraper) throw new Error(`No scraper registered for shop: ${shop}`)
  return scraper.scrape(url)
}

export function registerScraperForTest(s: PriceScraper) { registry.set(s.shop, s) }
export function resetScrapersForTest() { registry.clear() }