package main

import (
	"changeme/api"
	"changeme/initFunc"
	"context"
	"embed"
	"fmt"
	"os/exec"
	"runtime"
	"strings"

	"github.com/gogf/gf/v2/net/ghttp"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gtime"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/wailsapp/wails/v2"
	"github.com/wailsapp/wails/v2/pkg/menu"
	"github.com/wailsapp/wails/v2/pkg/options"
	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
)

//go:embed all:frontend/dist
var assets embed.FS
//go:embed wails.json
var wailsjson embed.FS
var wailsConfig map[string]interface{}

func init() {
    wailsConfig = make(map[string]interface{})
}

type App struct {
	ctx context.Context
}
func main() {
	
	// Create an instance of the app structure
	app := NewApp()
	//开启视频监控的exe
	go initFunc.RunPiServerExe()
	go initFunc.SetupCert()
	go HttpServer()
	wilsJon,_ := wailsjson.ReadFile("wails.json")
	wailsConfig = gconv.Map(wilsJon)
	//读取wails.json配置文件	
	wailsConfigOem := initFunc.RequestOemSettingInfo(gconv.Map(wilsJon))
	//将 wailsConfig 保存起来
	if wailsConfigOem == nil {
		wailsConfigOem = g.Map{
			"brand_name": "Error-config",
			"website_url": "https://www.baidu.com",
		}
	}
	
	//增加菜单
	AppMenu := menu.NewMenu()
	// SubMenu := AppMenu.AddSubmenu("工具")
    // SubMenu.AddText("刷新", keys.CmdOrCtrl("F5"), func(_ *menu.CallbackData) {
	// 	runtime.Reload(app.ctx)
    // })


	// Create application with options
	err := wails.Run(&options.App{
		Title:  wailsConfigOem["brand_name"].(string),
		Width:  1024,
		Height: 768,
		AssetServer: &assetserver.Options{
			Assets: assets,
		},
		BackgroundColour: &options.RGBA{R: 27, G: 38, B: 54, A: 1},
		OnStartup:        app.startup,
		Menu: 		   AppMenu,
		Bind: []interface{}{
			app,
		},
	})
	
	if err != nil {
		println("Error:", err.Error())
	}

	
}

// NewApp creates a new App application struct
func NewApp() *App {
	return &App{}
}

// startup is called when the app starts. The context is saved
// so we can call the runtime methods
func (a *App) startup(ctx context.Context) {
	a.ctx = ctx
}

// oem的门店管理地址
func (a *App) ShopUrl() string {

	wailsConfigOem := initFunc.RequestOemSettingInfo(wailsConfig)
	if wailsConfigOem == nil {
		return "https://www.baidu.com"
	}
	domain := wailsConfigOem["domain"].(string)
	if !strings.Contains(domain, "http") {
		domain = "https://"+domain
	}
	return domain+"?oem_id="+gconv.String(wailsConfigOem["id"])+"&t="+gconv.String(gtime.TimestampMilli())
}

func releasePort(port int) error {
	var cmd *exec.Cmd

	// 根据操作系统选择不同的命令
	if runtime.GOOS == "windows" {
		// Windows: 使用 netstat 查找占用端口的 PID
		// netstat -ano | findstr :<port> 获取对应的 PID，然后使用 taskkill 杀死进程
		cmd = exec.Command("cmd", "/C", fmt.Sprintf("netstat -ano | findstr :%d", port))
		output, err := cmd.CombinedOutput()
		if err != nil {
			return fmt.Errorf("error running netstat: %v", err)
		}

		// 在 Windows 上，输出格式是：TCP    [::]:<port>             [::]:0                 LISTENING       <PID>
		// 需要提取出 PID
		lines := string(output)
		for _, line := range strings.Split(lines, "\n") {
			if strings.Contains(line, fmt.Sprintf(":%d", port)) {
				// 提取 PID（PID 是最后一个字段）
				fields := strings.Fields(line)
				if len(fields) >= 5 {
					pid := fields[len(fields)-1]
					// 使用 taskkill 结束进程
					cmdKill := exec.Command("taskkill", "/PID", pid, "/F")
					err := cmdKill.Run()
					if err != nil {
						return fmt.Errorf("failed to kill process with PID %s: %v", pid, err)
					}
					fmt.Printf("Killed process with PID %s on port %d\n", pid, port)
					return nil
				}
			}
		}
		return fmt.Errorf("no process found listening on port %d", port)

	} else {
		// Linux/MacOS: 使用 lsof 和 kill 杀死占用端口的进程
		exec.Command("bash", "-c", "lsof -i :${port} | grep LISTEN | awk '{print 8383}' | xargs kill -9")
	}
	return nil
}


func HttpServer(){

	releasePort(8383)
    s := ghttp.GetServer()
    // 处理 /take_photo_page 路由
    s.BindHandler("/take_photo_page",api.Page)
	s.BindHandler("/add_take_photo",api.AddDbData)
	s.BindHandler("/update_take_photo",api.UpdateDbData)
	s.BindHandler("/delete_take_photo",api.DeleteDbData)
	s.BindHandler("/download_camera_jpg",api.DownLoadCameraJpg)
	s.BindHandler("/download_master_jpg",api.DownLoadMasterJpg)
	
    s.SetPort(8383)
    s.Run()
}