package xnet

import (
	"fmt"
	"github.com/tebeka/selenium"
	"github.com/tebeka/selenium/chrome"
	"log"
	"net/url"
	"regexp"
	"strings"
	"time"
)

// @title GetPBIPageURL
// @description 获取多页PBI的所有页面url
// @param
// @return
func GetPBIPageURL(chromeDriver string, driverPort int, PBIURL string) ([]string, error) {
	PBIUrls := []string{}

	if strings.Contains(PBIURL, "powerbi.com") == false {
		return PBIUrls, fmt.Errorf("请正确的PBIURL.")
	}
	if strings.Contains(PBIURL, "pageName") == true {
		return PBIUrls, fmt.Errorf("请输入PBI的第一页URL.")
	}
	opts := []selenium.ServiceOption{}

	//selenium.SetDebug(true)
	service, err := selenium.NewChromeDriverService(chromeDriver, driverPort, opts...)
	if nil != err {
		fmt.Println("start a chromedriver service falid", err.Error())
		return PBIUrls, err
	}
	//注意这里，server关闭之后，chrome窗口也会关闭
	defer service.Stop()

	//链接本地的浏览器 chrome
	caps := selenium.Capabilities{
		"browserName": "chrome",
	}
	prefCaps := map[string]interface{}{}
	chromeCaps := chrome.Capabilities{
		Prefs: prefCaps,
		Path:  "",
		Args: []string{
			//"--headless",         // 设置Chrome无头模式，在linux下运行，需要设置这个参数，否则会报错
			"--kiosk",            // 加载启动项页面全屏效果，相当于F11
			"--start-maximized",  //  最大化运行（全屏窗口）,不设置，取元素会报错
			"--disable-infobars", //  关闭左上方Chrome 正受到自动测试软件的控制的提示
			//"--no-sandbox",// 沙盒,linux下要关闭沙盒模式.
			"--user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36", // 模拟user-agent，防反爬
		},
	}
	//以上是设置浏览器参数
	caps.AddChrome(chromeCaps)

	// 调起chrome浏览器
	wd, err := selenium.NewRemote(caps, fmt.Sprintf("http://localhost:%d/wd/hub", driverPort))
	if err != nil {
		//启用--user-data-dir参数后,同时只能打开一个chrome程序.
		//如果已打开chrome程序,必须先关闭已打开的chrome,再运行程序
		fmt.Println("connect to the webDriver faild", err.Error())
		return PBIUrls, err
	} else {
		log.Println("connect to the webDriver success.")
	}
	//关闭一个webDriver会对应关闭一个chrome窗口
	//但是不会导致seleniumServer关闭
	defer wd.Quit()

	err = wd.Get(PBIURL)
	if err != nil {
		fmt.Printf("Get url error : %v\n", err)
		return PBIUrls, err
	}
	handle, _ := wd.CurrentWindowHandle()
	wd.ResizeWindow(handle, 1920, 1080)
	wd.MaximizeWindow(handle)
	err = wd.WaitWithTimeout(ShareExists, 30*time.Second)
	if err != nil {
		return PBIUrls, err
	}

	pageNames := []string{}

	//pageSource, _ := wd.PageSource()
	//cp := regexp.MustCompile("pageName%3D(.*?)\"")
	//rets := cp.FindAllString(pageSource, -1)
	//if len(rets)>0{
	//	unescape,_:=url.QueryUnescape(rets[0])
	//	splits:=strings.Split(unescape,"&pageName=")
	//	for _,i:=range splits{
	//		if i[len(i)-1]== '"'{
	//			pageNames=append(pageNames,i[:len(i)-1])
	//			break
	//		}
	//	}
	//}

	//time.Sleep(3*time.Second)
	for i := 0; i < 999; i++ {
		err = wd.WaitWithTimeout(NextPageExists, 30*time.Second)
		if err != nil {
			log.Printf("NextPageExists WaitWithTimeout error : %v\n", err)
			break
		}
		pageSource, _ := wd.PageSource()
		cp := regexp.MustCompile("pageName%3D(.*?)\"")
		rets := cp.FindAllString(pageSource, -1)
		if len(rets) > 0 {
			unescape, _ := url.QueryUnescape(rets[0])
			splits := strings.Split(unescape, "&pageName=")
			for _, i := range splits {
				if i[len(i)-1] == '"' {
					pageNames = append(pageNames, i[:len(i)-1])
					break
				}
			}
		}

		nextPage, err := wd.FindElement(selenium.ByCSSSelector, "i[title='下一页']")
		if err != nil {
			log.Printf("FindElement 下一页 error : %v\n", err)
			break
		}
		nextPageClass, _ := nextPage.GetAttribute("class")
		if strings.Contains(nextPageClass, " inactive") == true {
			log.Println("nextPageClass inactive.\n")
			break
		}
	}

	//data, err := wd.Screenshot()
	//
	//f, err := os.Create("pbi.png")
	//f.Write(data)
	//if err != nil {
	//	log.Printf("pbi.png, Create error : %v\n", err)
	//	return PBIUrls, err
	//}
	//
	//defer f.Close()
	for _, pageName := range pageNames {
		PBIUrls = append(PBIUrls, fmt.Sprintf("%s&%s", PBIURL, pageName))
	}
	fmt.Printf("PBIUrls==========>%v\n", PBIUrls)
	return PBIUrls, nil
}