package main

import (
	"strings"

	"github.com/gocolly/colly"
)

func (app *App) ScrapeWhiskyde(shop Shop) []Angebot {
	Shop_url := "https://www.whisky.de/shop/Angebote/Sonderangebote/"

	Whiskys := []Angebot{}

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

	c.OnHTML(".is-buyable", func(e *colly.HTMLElement) {

		if e.Request.URL.String() != Shop_url {
			Debug(nil, "Whisky.de: Request url ("+e.Request.URL.String()+") is not shop url ("+Shop_url+").")
			return
		}

		W := Angebot{}

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

		whisky_name := e.ChildAttr("a", "title")
		W.Name = whisky_name
		whisky_url := strings.Replace(e.ChildAttr("a", "href"), "?&searchorigin=2", "", 1)
		W.Url = whisky_url

		var err error

		e.ForEach(".article-price-original", func(i int, e *colly.HTMLElement) {
			W.Original_price, err = convert_price(e.ChildText("del"))
			if err != nil {
				W.error_msg = err.Error()
				W.error_ctx = e.ChildText("del")
				W.Println("Whisky.de: Converting original price failed")
				return
			}
		})
		e.ForEach(".article-price", func(i int, e *colly.HTMLElement) {
			W.Discounted_price, err = convert_price(e.ChildText(".article-price-default"))
			if err != nil {
				W.error_msg = err.Error()
				W.error_ctx = e.ChildText(".article-price-default")
				W.Println("Whisky.de: Converting discounted price failed")
				return
			}
		})

		e.ForEach(".article-thumbnail", func(i int, e *colly.HTMLElement) {
			W.Image_url = e.ChildAttr("img", "data-src")
		})

		e.ForEach(".article-price-prefix", func(i int, e *colly.HTMLElement) {
			//W.Valid_until = e.ChildText(".article-price-special")
		})

		text_noisy := e.ChildText(".article-amount")

		if !strings.Contains(text_noisy, "Liter") {
			W.error_ctx = text_noisy
			W.error_msg = "Whisky.de: String 'Liter' not found."
			W.Println("Whisky.de: String 'Liter' not found.")
			return
		}

		abv_noisy := strings.TrimSpace(strings.SplitAfter(text_noisy, "Liter")[1])
		W.Volume, err = extract_volume(text_noisy)
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = text_noisy
			W.Println("Whisky.de: Extracting volume failed")
			return
		}
		W.Abv, err = extract_abv(abv_noisy)
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = abv_noisy
			W.Println("Whisky.de: Extracting abv failed")
			return
		}

		if W.Volume == 0 {
			W.error_msg = "Whisky.de: Volume is zero"
			W.error_ctx = text_noisy
			W.Println("Whisky.de: Volume is zero")
			return
		}
		if W.Abv == 0 {
			W.error_msg = "Whisky.de: Abv is zero"
			W.error_ctx = abv_noisy
			W.Println("Whisky.de: Abv is zero")
			return
		}

		W.Base_price, err = convert_price(e.ChildText(".article-unitprice-default"))
		if err != nil {
			W.error_msg = err.Error()
			W.error_ctx = e.ChildText(".article-unitprice-default")
			W.Println("Whisky.de: Converting base price failed")
			return
		}

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

		Whiskys = append(Whiskys, W)
	})

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