package main

import (
	"context"
	"log"
	"os"
	"os/signal"
	"syscall"
	"tailly_back_v2/internal/config"
	"tailly_back_v2/internal/http"
	"tailly_back_v2/internal/repository"
	"tailly_back_v2/internal/service"
	"tailly_back_v2/internal/ws"
	"tailly_back_v2/pkg/auth"
	"tailly_back_v2/pkg/database"
	"time"
)

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

	// Инициализация БД
	db, err := database.NewPostgres(cfg.Database.DSN)
	if err != nil {
		log.Fatalf("failed to connect to database: %v", err)
	}
	defer db.Close()

	// Инициализация зависимостей
	tokenAuth := auth.NewTokenAuth(
		cfg.Auth.AccessTokenSecret,
		cfg.Auth.RefreshTokenSecret,
		cfg.Auth.AccessTokenExpiry,
		cfg.Auth.RefreshTokenExpiry,
	)

	// Репозитории
	userRepo := repository.NewUserRepository(db)
	postRepo := repository.NewPostRepository(db)
	commentRepo := repository.NewCommentRepository(db)
	likeRepo := repository.NewLikeRepository(db)
	chatRepo := repository.NewChatRepository(db)
	// Сервисы
	services := service.NewServices(
		service.NewAuthService(userRepo, *tokenAuth),
		service.NewUserService(userRepo),
		service.NewPostService(postRepo),
		service.NewCommentService(commentRepo),
		service.NewLikeService(likeRepo),
		service.NewChatService(chatRepo),
	)
	// Инициализация чата
	chatHub := ws.NewChatHub()
	go chatHub.Run()

	chatService := service.NewChatService(
		chatRepo,
		userRepo,
		chatHub,
		encryptionService,
	)
	// HTTP сервер
	server := http.NewServer(cfg, services, tokenAuth)

	// Запуск сервера в отдельной горутине
	go func() {
		if err := server.Run(); err != nil {
			log.Printf("server error: %v", err)
		}
	}()

	// Ожидание сигнала завершения
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit

	// Graceful shutdown
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

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

	log.Println("server stopped")
}