backend/cmd/server/main.go

package main

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

	_ "carrotskin/docs" // Swagger文档
	"carrotskin/internal/container"
	"carrotskin/internal/handler"
	"carrotskin/internal/middleware"
	"carrotskin/pkg/auth"
	"carrotskin/pkg/config"
	"carrotskin/pkg/database"
	"carrotskin/pkg/email"
	"carrotskin/pkg/logger"
	"carrotskin/pkg/redis"
	"carrotskin/pkg/storage"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

func main() {
	// 初始化配置
	if err := config.Init(); err != nil {
		log.Fatalf("配置加载失败: %v", err)
	}
	cfg := config.MustGetConfig()

	// 初始化日志
	if err := logger.Init(cfg.Log); err != nil {
		log.Fatalf("日志初始化失败: %v", err)
	}
	loggerInstance := logger.MustGetLogger()
	defer loggerInstance.Sync()

	// 初始化数据库
	if err := database.Init(cfg.Database, loggerInstance); err != nil {
		loggerInstance.Fatal("数据库初始化失败", zap.Error(err))
	}
	defer database.Close()

	// 执行数据库迁移
	if err := database.AutoMigrate(loggerInstance); err != nil {
		loggerInstance.Fatal("数据库迁移失败", zap.Error(err))
	}

	// 初始化种子数据
	if err := database.Seed(loggerInstance); err != nil {
		loggerInstance.Fatal("种子数据初始化失败", zap.Error(err))
	}

	// 初始化JWT服务
	if err := auth.Init(cfg.JWT); err != nil {
		loggerInstance.Fatal("JWT服务初始化失败", zap.Error(err))
	}

	// 初始化Redis
	if err := redis.Init(cfg.Redis, loggerInstance); err != nil {
		loggerInstance.Fatal("Redis连接失败", zap.Error(err))
	}
	defer redis.MustGetClient().Close()

	// 初始化对象存储 (RustFS - S3兼容)
	var storageClient *storage.StorageClient
	if err := storage.Init(cfg.RustFS); err != nil {
		loggerInstance.Warn("对象存储连接失败，某些功能可能不可用", zap.Error(err))
	} else {
		storageClient = storage.MustGetClient()
		loggerInstance.Info("对象存储连接成功")
	}

	// 初始化邮件服务
	if err := email.Init(cfg.Email, loggerInstance); err != nil {
		loggerInstance.Fatal("邮件服务初始化失败", zap.Error(err))
	}
	emailServiceInstance := email.MustGetService()

	// 创建依赖注入容器
	c := container.NewContainer(
		database.MustGetDB(),
		redis.MustGetClient(),
		loggerInstance,
		auth.MustGetJWTService(),
		storageClient,
		emailServiceInstance,
	)

	// 设置Gin模式
	if cfg.Server.Mode == "production" {
		gin.SetMode(gin.ReleaseMode)
	}

	// 创建路由
	router := gin.New()

	// 添加中间件
	router.Use(middleware.Logger(loggerInstance))
	router.Use(middleware.Recovery(loggerInstance))
	router.Use(middleware.CORS())

	// 使用依赖注入方式注册路由
	handler.RegisterRoutesWithDI(router, c)

	// 创建HTTP服务器
	srv := &http.Server{
		Addr:         cfg.Server.Port,
		Handler:      router,
		ReadTimeout:  cfg.Server.ReadTimeout,
		WriteTimeout: cfg.Server.WriteTimeout,
	}

	// 启动服务器
	go func() {
		loggerInstance.Info("服务器启动", zap.String("port", cfg.Server.Port))
		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			loggerInstance.Fatal("服务器启动失败", zap.Error(err))
		}
	}()

	// 等待中断信号优雅关闭
	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit
	loggerInstance.Info("正在关闭服务器...")

	// 设置关闭超时
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	if err := srv.Shutdown(ctx); err != nil {
		loggerInstance.Fatal("服务器强制关闭", zap.Error(err))
	}

	loggerInstance.Info("服务器已关闭")
}