package main

import (
	"log"
	"net/http"

	"git.toowon.com/jimmy/go-common/datetime"
	commonhttp "git.toowon.com/jimmy/go-common/http"
	"git.toowon.com/jimmy/go-common/middleware"
)

// 示例：使用CORS和时区中间件
func main() {
	// 配置CORS
	corsConfig := &middleware.CORSConfig{
		AllowedOrigins: []string{"*"},
		AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
		AllowedHeaders: []string{
			"Content-Type",
			"Authorization",
			"X-Requested-With",
			"X-Timezone",
		},
		AllowCredentials: false,
		MaxAge:           3600,
	}

	// 创建中间件链
	chain := middleware.NewChain(
		middleware.CORS(corsConfig),
		middleware.Timezone,
	)

	// 定义处理器（使用Handler模式）
	handler := chain.ThenFunc(func(w http.ResponseWriter, r *http.Request) {
		h := commonhttp.NewHandler(w, r)
		apiHandler(h)
	})

	// 注册路由
	http.Handle("/api", handler)

	log.Println("Server started on :8080")
	log.Println("Try: curl -H 'X-Timezone: America/New_York' http://localhost:8080/api")
	log.Fatal(http.ListenAndServe(":8080", nil))
}

// apiHandler 处理API请求（使用Handler模式）
func apiHandler(h *commonhttp.Handler) {
	// 从Handler获取时区
	timezone := h.GetTimezone()

	// 使用时区进行时间处理
	now := datetime.Now(timezone)
	startOfDay := datetime.StartOfDay(now, timezone)
	endOfDay := datetime.EndOfDay(now, timezone)

	// 返回响应
	h.Success(map[string]interface{}{
		"message":     "Hello from API",
		"timezone":    timezone,
		"currentTime": datetime.FormatDateTime(now),
		"startOfDay":  datetime.FormatDateTime(startOfDay),
		"endOfDay":    datetime.FormatDateTime(endOfDay),
	})
}