package test

import (
	"fmt"
	"github.com/gocolly/colly"
	"github.com/gocolly/colly/extensions"
	"github.com/tidwall/gjson"
	"net/http"
	"regexp"
	"strings"
)

/*
目前可用接口
[商品查询]https://www.showdoc.com.cn/59349170678610?page_id=339616554551473
[商品详情]https://www.showdoc.com.cn/59349170678610?page_id=339687047645094

*/

// Response is SDK Response
type Response struct {
	Msg     string      `json:"msg"`
	Success int         `json:"success"`
	Data    interface{} `json:"data"`
}

func main() {
	// // JD
	// postData := map[string]string{"keyword": "联想", "p": "1", "size": "10"}
	// fmt.Println(postData["time"])
	// res, _ := zhimeng.Send("jd", "getgoods", postData)
	// fmt.Println(string(res))
	// p := Response{}
	// json.Unmarshal(res, &p)
	// fmt.Println(p)
	// // VIP
	// postData = map[string]string{"keyword": "联想", "p": "1", "size": "10", "order": "0"}
	// fmt.Println(postData["time"])
	// res, _ = zhimeng.Send("wph", "seach_goods", postData)
	// fmt.Println(string(res))
	// p = Response{}
	// json.Unmarshal(res, &p)
	// fmt.Println(p)
	// // PDD
	// postData = map[string]string{"keyword": "联想", "p": "1", "size": "10", "sort": "goods_price asc"}
	// res, _ = zhimeng.Send("pdd", "getgoods", postData)
	// fmt.Println(string(res))
	// p = Response{}
	// json.Unmarshal(res, &p)
	// fmt.Println(p)
	for i := 0; i < 1000; i++ {
		fmt.Println(i)
		scrapPDD()
	}
}

func scrapJD() {
	c := colly.NewCollector(func(collector *colly.Collector) {
		extensions.RandomUserAgent(collector)
	})
	c.OnResponse(func(r *colly.Response) {
		re, _ := regexp.Compile(`[(]//[^\s]*[)]`)
		body := r.Body
		fmt.Println(string(body))
		urls := re.FindAllString(string(body), -1)
		fmt.Println(urls)
		for _, url := range urls {
			url = strip(url, "()")
			url = "https:" + url
			fmt.Println(url)
		}
	})
	c.Visit("https://wqsitem.jd.com/detail/100008309360_d100008309360_normal.html")
}

func scrapPDD() {
	var cookies = []*http.Cookie{}
	var mapcookies = make(map[string]string)
	url := fmt.Sprintf("https://mobile.yangkeduo.com/goods.html?goods_id=%s", "156632692649")
	cs := "api_uid=CiHUKl9DZKpL6QBVK4qWAg==; _nano_fp=Xpdbl0PyX5Pxn0TynT_DTGXbst0kz5cjzGAQDnBR; ua=Mozilla%2F5.0%20(Windows%20NT%2010.0%3B%20Win64%3B%20x64)%20AppleWebKit%2F537.36%20(KHTML%2C%20like%20Gecko)%20Chrome%2F84.0.4147.135%20Safari%2F537.36; webp=1; quick_entrance_click_record=20200824%2C1; PDDAccessToken=XRC6FNX7FRBL6AJRMRBRN4CDG2PZXO3YJZYHFUA4O2PLDAWVYXHA1125821; pdd_user_id=9622705741400; pdd_user_uin=F27EAZ4V5S7EGEVMCJI2P7RFLE_GEXDA; chat_config={'host_whitelist':['.yangkeduo.com','.pinduoduo.com','.10010.com/queen/tencent/pinduoduo-fill.html','.ha.10086.cn/pay/card-sale!toforward.action','wap.ha.10086.cn','m.10010.com']}; pdd_vds=gaLMNqmfGfyYEpyYiZGWopaCicNHbXGWtDNcOZnWLqiDNfLHOXnZaqtCLDiX"
	csList := strings.Split(cs, ";")
	for _, c := range csList {
		s := strings.Trim(c, " ")
		sList := strings.SplitN(s, "=", 2)

		mapcookies[sList[len(sList)-len(sList)]] = sList[(len(sList) - len(sList) + 1)]

	}
	fmt.Println(mapcookies)
	for key, value := range mapcookies {
		if key == "ua" {
			continue
		}
		cookies = append(cookies, &http.Cookie{Name: key, Value: value})
	}
	c := colly.NewCollector(
		colly.UserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36"),
	)

	c.OnResponse(func(r *colly.Response) {
		re, _ := regexp.Compile(`window.rawData=.*}`)
		body := r.Body
		fmt.Println(string(body))
		result := re.FindString(string(body))
		// fmt.Println(result)
		result = strings.SplitN(result, "=", 2)[1]
		// fmt.Println(result)
		value := gjson.Get(result, "store.initDataObj.goods.detailGallery")
		// fmt.Println(value)
		list := value.Array()
		imageList := []string{}
		for _, v := range list {
			nv := gjson.Get(v.String(), "url")
			imageList = append(imageList, nv.String())
		}
		fmt.Println(imageList)
		ck := c.Cookies("https://mobile.yangkeduo.com")
		fmt.Println(ck)
		cookies = ck
	})

	c.SetCookies("https://mobile.yangkeduo.com", cookies)

	c.Visit(url)
}

func strip(ss string, charss string) string {
	s, chars := []rune(ss), []rune(charss)
	length := len(s)
	max := len(s) - 1
	l, r := true, true //标记当左端或者右端找到正常字符后就停止继续寻找
	start, end := 0, max
	tmpEnd := 0
	charset := make(map[rune]bool) //创建字符集，也就是唯一的字符，方便后面判断是否存在
	for i := 0; i < len(chars); i++ {
		charset[chars[i]] = true
	}
	for i := 0; i < length; i++ {
		if _, exist := charset[s[i]]; l && !exist {
			start = i
			l = false
		}
		tmpEnd = max - i
		if _, exist := charset[s[tmpEnd]]; r && !exist {
			end = tmpEnd
			r = false
		}
		if !l && !r {
			break
		}
	}
	if l && r { // 如果左端和右端都没找到正常字符，那么表示该字符串没有正常字符
		return ""
	}
	return string(s[start : end+1])
}