refactor: refactor project structure to use golang best practices

main.go

@@ -1,43 +1,50 @@
 package main
 
 import (
+	"context"
+	"fmt"
 	"log/slog"
 	"os"
+	"os/signal"
 	"path/filepath"
+	"syscall"
 )
 
 func main() {
 	configDir, err := os.UserConfigDir()
 	if err != nil {
-		slog.Error("Cant get user config dir")
-		panic(err)
+		fmt.Fprintf(os.Stderr, "Error getting config dir: %v\n", err)
+		os.Exit(1)
 	}
+	logFile := filepath.Join(configDir, "work", "workctl.log")
+	_ = os.MkdirAll(filepath.Dir(logFile), 0750)
 
-	file, err := os.OpenFile(filepath.Join(configDir, "work", "workctl.log"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
+	file, err := os.OpenFile(logFile, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
 	if err != nil {
-		panic(err)
+		fmt.Fprintf(os.Stderr, "Failed to open log file: %v\n", err)
+		os.Exit(1)
 	}
 	defer file.Close()
 
 	logger := slog.New(slog.NewTextHandler(file, nil))
 	slog.SetDefault(logger)
 
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer cancel()
+
 	app, err := NewApp()
 	if err != nil {
-		slog.Error("Unable to setup application", "Error", err)
+		slog.Error("Unable to setup application", "error", err)
+		fmt.Fprintf(os.Stderr, "Error setting up application: %v\n", err)
 		os.Exit(1)
 	}
 	defer func() {
 		if err := app.Close(); err != nil {
-			slog.Error("Failed to close application resources", "Error", err)
+			slog.Error("Failed to close application resources", "error", err)
 		}
 	}()
 
-	if len(os.Args) > 1 {
-		if err := app.setupCommands().Execute(); err != nil {
-			os.Exit(1)
-		}
-	} else {
-		app.makeChoice()
+	if err := app.Execute(ctx); err != nil {
+		os.Exit(1)
 	}
 }