// mosis-portal: Developer portal and app store backend for Mosis
package main

import (
	"context"
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"

	"omixlab.com/mosis-portal/internal/api"
	"omixlab.com/mosis-portal/internal/config"
	"omixlab.com/mosis-portal/internal/database"
)

func main() {
	// Load configuration
	cfg, err := config.Load()
	if err != nil {
		log.Fatalf("failed to load config: %v", err)
	}

	// Initialize database
	sqlDB, err := database.Open(cfg.DatabasePath)
	if err != nil {
		log.Fatalf("failed to open database: %v", err)
	}
	defer sqlDB.Close()

	// Run migrations
	if err := database.Migrate(sqlDB); err != nil {
		log.Fatalf("failed to run migrations: %v", err)
	}

	// Wrap database with business logic
	db := database.NewDB(sqlDB)

	// Create router
	router := api.NewRouter(cfg, db)

	// Create server
	server := &http.Server{
		Addr:         cfg.ListenAddr,
		Handler:      router,
		ReadTimeout:  15 * time.Second,
		WriteTimeout: 15 * time.Second,
		IdleTimeout:  60 * time.Second,
	}

	// Start server in goroutine
	go func() {
		log.Printf("Starting mosis-portal on %s", cfg.ListenAddr)
		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			log.Fatalf("server error: %v", err)
		}
	}()

	// Wait for interrupt signal
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit

	log.Println("Shutting down server...")

	// Graceful shutdown with timeout
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	if err := server.Shutdown(ctx); err != nil {
		log.Fatalf("server forced to shutdown: %v", err)
	}

	log.Println("Server stopped")
}