package main

import (
	"context"
	"log"
	"time"

	"github.com/gin-gonic/gin"
	"kefu-sys/server/internal/config"
	"kefu-sys/server/internal/handler"
	"kefu-sys/server/internal/middleware"
	"kefu-sys/server/internal/model"
	"kefu-sys/server/internal/storage"
	"kefu-sys/server/internal/ws"
)

func main() {
	cfg := config.Load()

	// 初始化数据库
	model.InitDB(cfg.Database.DSN())

	// 初始化 JWT
	middleware.InitJWT(cfg.JWT.Secret)

	// 对象存储（MinIO / S3 兼容）
	store, err := storage.NewS3(cfg.Storage)
	if err != nil {
		log.Fatalf("对象存储初始化失败: %v", err)
	}
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	if err := store.EnsureBucket(ctx); err != nil {
		log.Printf("警告: 确保存储桶失败（可稍后启动 MinIO）: %v", err)
	} else {
		log.Printf("对象存储就绪: %s bucket=%s public=%s", cfg.Storage.Endpoint, cfg.Storage.Bucket, cfg.Storage.PublicBase)
	}

	// 启动 WebSocket Hub
	go ws.DefaultHub.Run()

	// 设置 Gin 模式
	gin.SetMode(cfg.Server.Mode)

	r := gin.Default()

	// CORS
	r.Use(func(c *gin.Context) {
		c.Header("Access-Control-Allow-Origin", "*")
		c.Header("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS")
		c.Header("Access-Control-Allow-Headers", "Content-Type,Authorization,X-Visitor-Token")
		if c.Request.Method == "OPTIONS" {
			c.AbortWithStatus(204)
			return
		}
		c.Next()
	})

	// 健康检查
	r.GET("/health", func(c *gin.Context) {
		c.JSON(200, gin.H{"status": "ok"})
	})

	// 注册路由
	handler.SetupRoutes(r, store, cfg.Storage)

	log.Printf("客服云服务启动在 :%s", cfg.Server.Port)
	if err := r.Run(":" + cfg.Server.Port); err != nil {
		log.Fatalf("启动失败: %v", err)
	}
}