package main

import (
	"strings"

	"github.com/gocolly/colly"
)

func (app *App) ScrapeWhiskyworld(shop Shop) []Angebot {

	Shop_urls := []string{"https://www.whiskyworld.de/themen/sonderangebote?ft=%257B%2522produkt_kategorie%2522:%2522Blended%2BMalt%2522%257D",
		"https://www.whiskyworld.de/themen/sonderangebote?ft=%257B%2522produkt_kategorie%2522:%2522Blended%2BWhiskies%2522%257D",
		"https://www.whiskyworld.de/themen/sonderangebote?ft=%257B%2522produkt_kategorie%2522:%2522Single%2BMalt%2522%257D",
	}

	Whiskys := []Angebot{}

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

	c.OnHTML(".product-item", func(e *colly.HTMLElement) {
		if !stringInSlice(e.Request.URL.String(), Shop_urls) {
			return
		}

		W := Angebot{}

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

		whisky_name_part1 := e.ChildText(".item-brand")
		whisky_name_part2 := e.ChildText(".item-description")

		W.Name = whisky_name_part1 + " " + whisky_name_part2

		W.Url = "https://www.whiskyworld.de/" + e.ChildAttr("a", "href")

		regular_price_noisy := e.ChildText(".offer")
		regular_price := strings.TrimSuffix(strings.TrimPrefix(regular_price_noisy, "statt "), " €*")

		var err error

		W.Original_price, err = convert_price(regular_price)
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = regular_price
			PrintlnOffer(W, "Whiskyworld: Converting original price failed")
			return
		}

		W.Discounted_price, err = convert_price(e.ChildText(".uvp"))
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = e.ChildText(".uvp")
			PrintlnOffer(W, "Whiskyworld: Converting discounted price failed")
			return
		}

		e.ForEach(".product-infobox", func(i int, e *colly.HTMLElement) {
			text_noisy := e.ChildText(".item-inh")
			W.Volume, err = extract_volume(text_noisy)
			if err != nil {
				W.error_msg = err.Error()
				W.error_ctx = text_noisy
				PrintlnOffer(W, "Whiskyworld: Extracting volume failed")
				return
			}
			if W.Volume == 0 {
				W.error_msg = "Whiskyworld: Volume is zero"
				W.error_ctx = text_noisy
				PrintlnOffer(W, "Whiskyworld: Volume is zero")
				return
			}
			abv_noisy := strings.TrimSpace(strings.SplitAfter(text_noisy, "Liter")[1])
			abv_noisy = strings.TrimPrefix(abv_noisy, "/")
			W.Abv, err = extract_abv(abv_noisy)
			if err != nil {
				W.error_msg = err.Error()
				W.error_ctx = abv_noisy
				PrintlnOffer(W, "Whiskyworld: Extracting abv failed")
				return
			}
			if W.Abv == 0 {
				W.error_msg = "Whiskyworld: Abv is zero"
				W.error_ctx = abv_noisy
				PrintlnOffer(W, "Whiskyworld: Abv is zero")
				return
			}
		})

		e.ForEach(".price", func(i int, e *colly.HTMLElement) {
			base_price_noisy := e.ChildText(".unit")
			if strings.Contains(base_price_noisy, "Liter") {
				base_price_noisy = strings.TrimSpace(strings.SplitAfter(base_price_noisy, "Liter")[0])
				W.Base_price, err = sanitize_base_price(base_price_noisy)
				if err != nil {
					W.error_msg = err.Error()
					W.error_ctx = base_price_noisy
					PrintlnOffer(W, "Whiskyworld: Sanitizing base price failed")
					return
				}
			}

		})

		W.Image_url = e.ChildAttr("img", "data-src")
		if !strings.HasPrefix(W.Image_url, "https:") {
			W.Image_url = "https:" + W.Image_url
		}

		e.Request.Visit(W.Url)
		W.Website = e.Request.Ctx.Get("website")
		//Debug(nil, W.Website)

		Whiskys = append(Whiskys, W)
	})

	c.OnHTML("body", func(e *colly.HTMLElement) {
		if stringInSlice(e.Request.URL.String(), Shop_urls) {
			return
		}

		e.Request.Ctx.Put("website", string(e.Response.Body))
	})

	for _, url := range Shop_urls {
		err := c.Visit(url)
		if err != nil {
			Warn(nil, shop.Name+": "+err.Error())
		}
	}

	return Whiskys
}