package main

import (
	"regexp"

	"github.com/gocolly/colly"
)

func (app *App) ScrapeMCWhisky(shop Shop) []Angebot {
	Shop_url := "https://www.mcwhisky.com/whisky/whisky-sonderangebote.html"

	Whiskys := []Angebot{}

	c := app.customCollector([]string{"mcwhisky.com", "www.mcwhisky.com"})

	c.OnHTML("li.item", func(e *colly.HTMLElement) {

		if e.Request.URL.String() != Shop_url {
			return
		}

		W := Angebot{}

		W.Shop = shop.Id
		W.Spirit_type = "Whisky"

		whisky_name := e.ChildAttr("a", "title")
		whisky_url := e.ChildAttr("a", "href")
		W.Name = whisky_name
		W.Url = whisky_url

		var err error

		e.ForEach(".price-box", func(i int, e *colly.HTMLElement) {
			e.ForEach(".old-price", func(i int, e *colly.HTMLElement) {
				W.Original_price, err = convert_price(e.ChildText(".price"))
				if err != nil {
					W.error_msg = err.Error()
					W.error_ctx = e.ChildText(".price")
					PrintlnOffer(W, "MC Whisky: Converting original price failed")
					return
				}
			})
			e.ForEach(".special-price", func(i int, e *colly.HTMLElement) {
				W.Discounted_price, err = convert_price(e.ChildText(".price"))
				if err != nil {
					W.error_msg = err.Error()
					W.error_ctx = e.ChildText(".price")
					PrintlnOffer(W, "MC Whisky: Converting discounted price failed")
					return
				}
			})
		})

		price_per_litre_noisy := e.ChildText(".price-box-extended-info-ppl")
		W.Base_price, err = sanitize_base_price(price_per_litre_noisy)
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = price_per_litre_noisy
			PrintlnOffer(W, "MC Whisky: Sanitizing base price failed")
			return
		}

		W.Image_url = e.ChildAttr("img", "src")

		e.Request.Visit(W.Url)

		volume_failed := e.Request.Ctx.Get("volume_failed")
		if volume_failed != "" {
			W.error_msg = "MC Whisky: Volume failed"
			W.error_ctx = volume_failed
			PrintlnOffer(W, "MC Whisky: Volume failed")
			return
		}
		abv_failed := e.Request.Ctx.Get("abv_failed")
		if volume_failed != "" {
			W.error_msg = "MC Whisky: Abv failed"
			W.error_ctx = abv_failed
			PrintlnOffer(W, "MC Whisky: Abv failed")
			return
		}

		var ctx string
		W.Volume, ctx = get_volume(e)
		if W.Volume == 0 {
			W.error_msg = "MC Whisky: Volume is zero"
			W.error_ctx = ctx
			PrintlnOffer(W, "MC Whisky: Volume is zero")
			return
		}
		W.Abv, ctx = get_abv(e)
		if W.Abv == 0 {
			W.error_msg = "MC Whisky: Abv is zero"
			W.error_ctx = ctx
			PrintlnOffer(W, "MC Whisky: Abv is zero")
			return
		}

		W.Website = e.Request.Ctx.Get("website")

		Whiskys = append(Whiskys, W)
	})

	c.OnHTML(".products-attributes-alcohol", func(e *colly.HTMLElement) {
		text_noisy := e.Text

		r_abv, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?%`)
		if err != nil {
			Fatal(err, "MC Whisky: ABV regex failed")
		}
		abv := r_abv.FindString(text_noisy)
		if abv == "" {
			e.Request.Ctx.Put("abv_fail", text_noisy)
			return
		}

		e.Request.Ctx.Put("abv", abv)

		r_volume, err := regexp.Compile(`[0-9]+([,.][0-9]+)?( )?Liter$`)
		if err != nil {
			Fatal(err, "MC Whisky: Volume regex failed")
		}
		volume := r_volume.FindString(text_noisy)
		if volume == "" {
			e.Request.Ctx.Put("volume_fail", text_noisy)
			return
		}
		e.Request.Ctx.Put("volume", volume)
		e.Request.Ctx.Put("website", string(e.Response.Body))

	})

	err := c.Visit(Shop_url)
	if err != nil {
		Warn(nil, shop.Name+": "+err.Error())
	}

	return Whiskys
}