package main

import (
	"embed"
	"fmt"
	"net/http"
	"os"

	"github.com/wailsapp/wails/v3/pkg/application"
	"u-desk/internal/hotkey"
)

//go:embed all:frontend/dist
var assets embed.FS

// 标题栏颜色（0x00BBGGRR）
var (
	titleBarLight = uint32(0xF0F0F0)  // #F0F0F0 近白
	titleBarDark  = uint32(0x2D2D2D)  // #2D2D2D 深灰
	noBorder      = uint32(0xFFFFFFFE) // DWMWA_COLOR_NONE - Win11 抑制边框绘制
)

func main() {
	app := NewApp()

	wailsApp := application.New(application.Options{
		Name:        "U-Desk",
		Description: "桌面文件管理器",
		SingleInstance: &application.SingleInstanceOptions{
			UniqueID: "top.1216.udesk",
		},
		Services: []application.Service{
			application.NewService(app),
		},
		Assets: application.AssetOptions{
			Handler: application.AssetFileServerFS(assets),
			Middleware: func(next http.Handler) http.Handler {
				return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
					if req.URL.Path == "/wails/custom.js" {
						rw.Header().Set("Content-Type", "application/javascript")
						rw.WriteHeader(200)
						return
					}
					next.ServeHTTP(rw, req)
				})
			},
		},
		Mac: application.MacOptions{
			ApplicationShouldTerminateAfterLastWindowClosed: true,
		},
		Windows: application.WindowsOptions{
			WndProcInterceptor: func(hwnd uintptr, msg uint32, wParam, lParam uintptr) (uintptr, bool) {
				switch msg {
				case hotkey.WM_APP_HOTKEY:
					app.RegisterGlobalHotkey()
					return 0, true
				case hotkey.WM_HOTKEY:
					if wParam == 1 {
						app.HandleHotkey()
						return 0, true
					}
				}
				return 0, false
			},
		},
	})

	window := application.Get().Window.NewWithOptions(application.WebviewWindowOptions{
		Title:            "U-Desk",
		Width:            1400,
		Height:           900,
		MinWidth:         1000,
		MinHeight:        600,
		BackgroundColour: application.NewRGB(45, 45, 45),
		URL:              "/",
		Frameless: true,
		Windows: application.WindowsWindow{
			Theme: application.SystemDefault,
			CustomTheme: application.ThemeSettings{
				LightModeActive: &application.WindowTheme{
					TitleBarColour: &titleBarLight,
					BorderColour:   &noBorder,
				},
				LightModeInactive: &application.WindowTheme{
					TitleBarColour: &titleBarLight,
					BorderColour:   &noBorder,
				},
				DarkModeActive: &application.WindowTheme{
					TitleBarColour: &titleBarDark,
					BorderColour:   &noBorder,
				},
				DarkModeInactive: &application.WindowTheme{
					TitleBarColour: &titleBarDark,
					BorderColour:   &noBorder,
				},
			},
		},
	})

	app.SetMainWindow(window)

	if err := wailsApp.Run(); err != nil {
		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
	}
}