package main

import (
	"log"
	"net/http"

	"git.toowon.com/jimmy/go-common/config"
	"git.toowon.com/jimmy/go-common/middleware"
	"git.toowon.com/jimmy/go-common/storage"
)

func main() {
	// 加载配置
	cfg, err := config.LoadFromFile("./config/example.json")
	if err != nil {
		log.Fatal("Failed to load config:", err)
	}

	// 创建存储实例（使用OSS）
	// 注意：需要先实现OSS SDK集成
	ossStorage, err := storage.NewStorage(storage.StorageTypeOSS, cfg)
	if err != nil {
		log.Printf("Failed to create OSS storage: %v", err)
		log.Println("Note: OSS SDK integration is required")
		// 继续演示其他功能
	} else {
		// 创建上传处理器
		uploadHandler := storage.NewUploadHandler(storage.UploadHandlerConfig{
			Storage:      ossStorage,
			MaxFileSize:  10 * 1024 * 1024, // 10MB
			AllowedExts:  []string{".jpg", ".jpeg", ".png", ".gif", ".pdf"},
			ObjectPrefix: "uploads/",
		})

		// 创建代理查看处理器
		proxyHandler := storage.NewProxyHandler(ossStorage)

		// 创建中间件链
		var corsConfig *middleware.CORSConfig
		if cfg.GetCORS() != nil {
			c := cfg.GetCORS()
			corsConfig = middleware.NewCORSConfig(
				c.AllowedOrigins,
				c.AllowedMethods,
				c.AllowedHeaders,
				c.ExposedHeaders,
				c.AllowCredentials,
				c.MaxAge,
			)
		}
		chain := middleware.NewChain(
			middleware.CORS(corsConfig),
			middleware.Timezone,
		)

		// 注册路由
		mux := http.NewServeMux()
		mux.Handle("/upload", chain.Then(uploadHandler))
		mux.Handle("/file", chain.Then(proxyHandler))

		log.Println("Storage server started on :8080")
		log.Println("Upload: POST /upload")
		log.Println("View: GET /file?key=images/test.jpg")
		log.Fatal(http.ListenAndServe(":8080", mux))
	}

	// 演示MinIO存储
	minioStorage, err := storage.NewStorage(storage.StorageTypeMinIO, cfg)
	if err != nil {
		log.Printf("Failed to create MinIO storage: %v", err)
		log.Println("Note: MinIO SDK integration is required")
	} else {
		log.Printf("MinIO storage created: %v", minioStorage != nil)
	}

	// 演示对象键生成
	objectKey1 := storage.GenerateObjectKey("images/", "test.jpg")
	log.Printf("Object key 1: %s", objectKey1)

	objectKey2 := storage.GenerateObjectKeyWithDate("images", "test.jpg")
	log.Printf("Object key 2: %s", objectKey2)
}