package http

import (
	"runtime"
	"sync"

	"apigo.cc/gojs"
	"apigo.cc/gojs/goja"
	"github.com/go-rod/rod"
	"github.com/go-rod/rod/lib/launcher"
	"github.com/go-rod/rod/lib/launcher/flags"
	"github.com/ssgo/u"
)

type Chrome struct {
	id         string
	chromeURL  string
	chromePath string
	launcher   *launcher.Launcher
	browser    *rod.Browser
}

var chromes = map[string]*Chrome{}
var chromesLock sync.Mutex

func (ch *Chrome) Close(vm *goja.Runtime) {
	// logger := gojs.GetLogger(vm)
	if ch.browser != nil {
		// ver, _ := ch.browser.Version()
		// logger.Info("关闭Chrome浏览器", "id", ch.id, "browser", ver.Product, "userAgent", ver.UserAgent, "chromeURL", ch.chromeURL, "chromePath", ch.chromePath)
		ch.browser.Close()
		ch.browser = nil
	}
	if ch.launcher != nil {
		ch.launcher.Cleanup()
		ch.launcher = nil
	}

	chromesLock.Lock()
	delete(chromes, ch.id)
	chromesLock.Unlock()
}

func CloseAllChrome(vm *goja.Runtime) {
	n := len(chromes)
	if n > 0 {
		for _, ch := range chromes {
			ch.Close(vm)
		}
		logger := gojs.GetLogger(vm)
		logger.Info("关闭所有未主动关闭的Chrome浏览器", "count", n)
	}
}

type ChromeInfo struct {
	ProtocolVersion string
	Product         string
	Revision        string
	UserAgent       string
	JsVersion       string
	ChromeURL       string
	ChromePath      string
}

type ChromeOption struct {
	ChromeURL      string
	ChromeOption   []string
	ShowWindow     bool
	ChromeHtpProxy string
}

func (ch *Chrome) Info(showWindow *bool, vm *goja.Runtime) (ChromeInfo, error) {
	ver, err := ch.browser.Version()
	if err != nil {
		return ChromeInfo{
			ChromeURL:  ch.chromeURL,
			ChromePath: ch.chromePath,
		}, err
	}
	return ChromeInfo{
		ProtocolVersion: ver.ProtocolVersion,
		Product:         ver.Product,
		Revision:        ver.Revision,
		UserAgent:       ver.UserAgent,
		JsVersion:       ver.JsVersion,
		ChromeURL:       ch.chromeURL,
		ChromePath:      ch.chromePath,
	}, nil
}

func StartChrome(opt *ChromeOption, vm *goja.Runtime) (*Chrome, error) {
	if opt == nil {
		opt = &ChromeOption{}
	}
	if opt.ChromeURL == "" {
		opt.ChromeURL = conf.ChromeURL
	}
	if opt.ChromeHtpProxy == "" {
		opt.ChromeHtpProxy = conf.ChromeHtpProxy
	}
	if opt.ChromeOption == nil {
		opt.ChromeOption = conf.ChromeOption
	}
	// logger := gojs.GetLogger(vm)
	ch := &Chrome{}
	ch.id = u.UniqueId()
	ch.browser = rod.New()
	ch.chromeURL = opt.ChromeURL
	if opt.ChromeURL == "" {
		// 使用本地Chrome
		ch.launcher = launcher.New()
		if localBrowserPath, hasLocalBrowser := launcher.LookPath(); hasLocalBrowser {
			ch.launcher.Bin(localBrowserPath)
			ch.chromePath = localBrowserPath
		}
		// "--headless=new", "--no-sandbox", "--disable-dev-shm-usage", "--hide-scrollbars", "--font-render-hinting=none", "--disable-blink-features=AutomationControlled", "--disable-infobars", "--lang=zh-CN,zh", "--disable-extensions", "--disable-gpu", "--use-gl=swiftshader", "--ignore-gpu-blocklist", "--use-angle=swiftshader", "--disable-features=Translate"
		ch.launcher.Headless(!opt.ShowWindow).Set("disable-dev-shm-usage").Set("single-process").Set("disable-blink-features", "AutomationControlled")
		ch.launcher.Set("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 Edg/125.0.0.0")
		if opt.ChromeHtpProxy != "" {
			ch.launcher.Proxy(opt.ChromeHtpProxy)
		}
		switch runtime.GOOS {
		case "linux":
			ch.launcher.Set("disable-setuid-sandbox")
		case "windows":
			ch.launcher.Set("disable-features=RendererCodeIntegrity")
		}
		if opt.ChromeOption != nil {
			for _, opt := range opt.ChromeOption {
				a := u.SplitTrimN(opt, "=", 2)
				if len(a) == 2 {
					ch.launcher.Set(flags.Flag(a[0]), a[1])
				} else {
					ch.launcher.Set(flags.Flag(opt))
				}
			}
		}
		if localChromeURL, err := ch.launcher.Launch(); err != nil {
			ch.Close(vm)
			return nil, gojs.Err(err)
		} else {
			ch.chromeURL = localChromeURL
			if ch.chromePath == "" {
				ch.chromePath = ch.launcher.Get(flags.Bin)
			}
		}
	}

	ch.browser.ControlURL(ch.chromeURL)
	if err := ch.browser.Connect(); err != nil {
		return nil, gojs.Err(err)
	}
	// ver, _ := ch.browser.Version()
	// logger.Info("启动Chrome浏览器", "id", ch.id, "browser", ver.Product, "userAgent", ver.UserAgent, "chromeURL", ch.chromeURL, "chromePath", ch.chromePath)

	chromesLock.Lock()
	chromes[ch.id] = ch
	chromesLock.Unlock()
	return ch, nil

}