package main

import (
	"log"
	"net/http"

	"github.com/darkit/goproxy"
)

// HTTPToHTTPSDelegate HTTP 到 HTTPS 代理委托
type HTTPToHTTPSDelegate struct {
	goproxy.DefaultDelegate
}

// BeforeRequest 请求前事件
func (d *HTTPToHTTPSDelegate) BeforeRequest(ctx *goproxy.Context) {
	// 将 HTTP 请求转换为 HTTPS
	if ctx.Req.URL.Scheme == "http" {
		ctx.Req.URL.Scheme = "https"
	}
}

func main() {
	// 创建 HTTP 到 HTTPS 代理委托
	delegate := &HTTPToHTTPSDelegate{}

	// 创建代理实例
	proxy := goproxy.NewProxy(
		goproxy.WithDelegate(delegate),
		goproxy.WithDecryptHTTPS(&goproxy.MemCertCache{}),
	)

	// 启动代理服务器
	log.Println("HTTP 到 HTTPS 代理服务器启动在 :8080")
	log.Println("配置说明:")
	log.Printf("- 自动将 HTTP 请求转换为 HTTPS\n")
	log.Printf("- 支持 HTTPS 解密\n")
	if err := http.ListenAndServe(":8080", proxy); err != nil {
		log.Fatalf("代理服务器启动失败: %v", err)
	}
}