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main.go

@@ -0,0 +1,85 @@
+package main
+
+import (
+	"context"
+	"embed"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/gorilla/mux"
+	"beat-harvester/src/config"
+	"beat-harvester/src/handlers"
+	"beat-harvester/src/utils"
+)
+
+//go:embed src/static/*
+var staticFS embed.FS
+
+func main() {
+	// Initialize configuration
+	cfg := config.Load()
+
+	// Check dependencies
+	if err := utils.CheckDependencies(); err != nil {
+		log.Fatalf("Missing dependencies: %v", err)
+	}
+
+	// Setup router
+	r := setupRoutes(cfg)
+
+	// Create server
+	srv := &http.Server{
+		Addr:    ":" + cfg.Port,
+		Handler: r,
+	}
+
+	// Start graceful shutdown handler
+	go handleGracefulShutdown(srv)
+
+	log.Printf("Music Downloader Server starting on port %s", cfg.Port)
+	log.Printf("Default output path: %s", cfg.DefaultOutputPath)
+	log.Printf("Web interface: http://localhost:%s", cfg.Port)
+
+	if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+		log.Fatalf("Server failed to start: %v", err)
+	}
+}
+
+func setupRoutes(cfg *config.Config) *mux.Router {
+	r := mux.NewRouter()
+	
+	// Initialize handlers with config
+	h := handlers.New(cfg, staticFS)
+	
+	// API routes
+	api := r.PathPrefix("/api").Subrouter()
+	api.HandleFunc("/download", h.Download).Methods("POST")
+	api.HandleFunc("/health", h.Health).Methods("GET")
+	
+	// WebSocket route
+	r.HandleFunc("/ws", h.WebSocket)
+	
+	// Serve static files
+	r.PathPrefix("/").Handler(h.Static())
+
+	return r
+}
+
+func handleGracefulShutdown(srv *http.Server) {
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+	<-sigChan
+
+	log.Println("Shutting down server...")
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	if err := srv.Shutdown(ctx); err != nil {
+		log.Fatalf("Server shutdown failed: %v", err)
+	}
+	log.Println("Server stopped")
+}