//go:build windows

package main

import (
	"fmt"
	"log"
	"path/filepath"

	"github.com/lxn/walk"
	"golang.org/x/sys/windows"
)

func main() {
	mutex, alreadyRunning, err := acquireSingleInstance()
	if err != nil {
		showNativeMessage(appName, "无法检查程序运行状态："+err.Error())
		return
	}
	defer windows.CloseHandle(mutex)
	if alreadyRunning {
		showNativeMessage(appName, "GoWallpaper 已经运行，请使用右下角托盘图标。")
		return
	}

	appDir, err := appDirectory()
	if err != nil {
		showNativeMessage(appName, err.Error())
		return
	}
	cfg, firstRun, err := loadOrCreateConfig(filepath.Join(appDir, configFileName))
	if err != nil {
		showNativeMessage(appName, err.Error())
		return
	}
	cache, err := loadCacheIndex(filepath.Join(appDir, "cache"))
	if err != nil {
		showNativeMessage(appName, err.Error())
		return
	}
	if cfg.StartWithWindows {
		if err := setStartWithWindows(true); err != nil {
			showNativeMessage(appName, err.Error())
		}
	}

	mw, err := walk.NewMainWindow()
	if err != nil {
		log.Printf("创建消息窗口失败: %v", err)
		showNativeMessage(appName, fmt.Sprintf("程序启动失败：%v", err))
		return
	}
	defer mw.Dispose()
	app, err := newApp(mw, appDir, cfg, cache)
	if err != nil {
		showNativeMessage(appName, fmt.Sprintf("创建托盘图标失败：%v", err))
		return
	}
	defer func() {
		if !app.closing.Load() {
			app.close()
		}
	}()
	app.start(firstRun)
	mw.Run()
}