package main

import (
	"log"
	"net/http"
	"os"

	"go-backend/internal/database"
	"go-backend/internal/database/sqlc"
	"go-backend/internal/handlers"
	"go-backend/internal/services"

	"github.com/joho/godotenv"
)

func main() {
	// Load .env file
	if err := godotenv.Load(); err != nil {
		log.Println("No .env file found")
	}

	// Connect to database
	db, err := database.Connect()
	if err != nil {
		log.Fatal("Failed to connect to database:", err)
	}
	defer db.Close()

	queries := sqlc.New(db)

	userService := services.NewUserService(db, queries)
	authService := services.NewAuthService(db, queries)

	handler := handlers.NewHandler(userService, authService)

	// Create router
	mux := http.NewServeMux()

	// Routes
	mux.Handle("GET /static/", http.StripPrefix("/static/", http.FileServer(http.Dir("./ui/static"))))

	mux.HandleFunc("GET /{$}", handler.HomeHandler)
	mux.HandleFunc("GET /login", handler.LoginPageHandler)
	mux.HandleFunc("/user", handler.UserHandler)
	mux.HandleFunc("/signup", handler.SignUpPageHandler)

	mux.HandleFunc("POST /api/login", handler.LoginHandler)
	mux.HandleFunc("POST /api/logout", handler.LogoutHandler)
	mux.HandleFunc("POST /api/signup", handler.SignUpHandler)

	// Apply middleware (CORS first, then logging)
	muxMiddleware := handlers.LoggingMiddleware(handlers.CORSMiddleware(mux))

	// Start server
	port := getEnv("PORT", "8080")
	log.Printf("Server starting on port %s", port)

	if err := http.ListenAndServe(":"+port, muxMiddleware); err != nil {
		log.Fatal("Server failed to start:", err)
	}
}

func getEnv(key, defaultValue string) string {
	if value := os.Getenv(key); value != "" {
		return value
	}
	return defaultValue
}