package main

import (
	"log"
)

func (app *App) ScrapeHTML(shops []Shop) {

	wait := make(chan bool)
	count := 0

	for _, shop := range shops {

		go app.Scrape(shop, wait)
		count++

	}

	/*
		Wait until all go routines finished
	*/
	for i := 0; i < count; i++ {
		<-wait
	}
}

func (app *App) Scrape(shop Shop, wait chan bool) {
	var W []Angebot
	var err error

	W = ScrapeShop(shop)

	W = sanitize_offer(W)

	err = app.save_offer(W)
	if err != nil {
		log.Fatal(err)
	}
	err = app.remove_expired(W)
	if err != nil {
		log.Fatal(err)
	}

	wait <- true
}

func ScrapeShop(shop Shop) []Angebot {

	switch shop.Name {
	case "Bottleworld":
		return ScrapeBottleWord(shop)
	case "MC Whisky":
		return ScrapeMCWhisky(shop)
	case "Rum & Co":
		return ScrapeRumundCo(shop)
	case "Whic":
		return ScrapeWhic(shop)
	case "Whisky.de":
		return ScrapeWhiskyde(shop)
	case "Whiskysite.nl":
		return ScrapeWhiskysitenl(shop)
	case "Whisky World":
		return ScrapeWhiskyworld(shop)
	case "Whiskyzone":
		return ScrapeWhiskyzone(shop)
	default:
		log.Println(shop.Name + ": No Crawler")
	}

	return []Angebot{}
}