UPDATE: Add self update

main.go

@@ -13,11 +13,6 @@ import (
 	"github.com/wailsapp/wails/v3/pkg/application"
 )
 
-// Wails uses Go's `embed` package to embed the frontend files into the binary.
-// Any files in the frontend/dist folder will be embedded into the binary and
-// made available to the frontend.
-// See https://pkg.go.dev/embed for more information.
-
 //go:embed all:frontend/dist
 var assets embed.FS
 
@@ -42,10 +37,8 @@ func extractFile(embedPath, outPath string) error {
 	return os.WriteFile(outPath, data, 0755)
 }
 
-// main function serves as the application's entry point. It initializes the application, creates a window,
-// and starts a goroutine that emits a time-based event every second. It subsequently runs the application and
-// logs any error that might occur.
 func main() {
+	// Extract required files
 	for outPath, embedPath := range constant.RequiredFiles {
 		if !fileExists(outPath.String()) {
 			err := extractFile(embedPath, outPath.String())
@@ -54,11 +47,18 @@ func main() {
 			}
 		}
 	}
-	// Create a new Wails application by providing the necessary options.
-	// Variables 'Name' and 'Description' are for application metadata.
-	// 'Assets' configures the asset server with the 'FS' variable pointing to the frontend files.
-	// 'Bind' is a list of Go struct instances. The frontend has access to the methods of these instances.
-	// 'Mac' options tailor the application when running an macOS.
+
+	// Remove old executable
+	exePath, err := os.Executable()
+	if err == nil {
+		dir := filepath.Dir(exePath)
+		base := filepath.Base(exePath)
+		oldPath := filepath.Join(dir, "."+base+".old")
+
+		fmt.Println("Old executable path:", oldPath)
+		os.Remove(oldPath)
+	}
+	// Create application
 	app := application.New(application.Options{
 		Name:        "firefly-launcher",
 		Description: "Firefly Launcher - Kain",
@@ -67,31 +67,24 @@ func main() {
 			application.NewService(&internal.LanguageService{}),
 			application.NewService(&internal.GitService{}),
 			application.NewService(&internal.HdiffzService{}),
+			application.NewService(&internal.AppService{}),
 		},
 		Assets: application.AssetOptions{
 			Handler: application.AssetFileServerFS(assets),
-			
 		},
 		Mac: application.MacOptions{
 			ApplicationShouldTerminateAfterLastWindowClosed: true,
 		},
 	})
 
-	// Create a new window with the necessary options.
-	// 'Title' is the title of the window.
-	// 'Mac' options tailor the window when running on macOS.
-	// 'BackgroundColour' is the background colour of the window.
-	// 'URL' is the URL that will be loaded into the webview.
-
+	// Create window
 	app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
-
 		Title: "Firefly Launcher - Kain",
 		Mac: application.MacWindow{
 			InvisibleTitleBarHeight: 50,
 			Backdrop:                application.MacBackdropTranslucent,
 			TitleBar:                application.MacTitleBarHiddenInset,
 		},
-
 		BackgroundColour: application.NewRGB(27, 38, 54),
 		Width:            1200,
 		Height:           600,
@@ -99,7 +92,8 @@ func main() {
 		DevToolsEnabled:  true,
 	})
 
-	err := app.Run()
+
+	err = app.Run()
 	if err != nil {
 		log.Fatal(err)
 	}