package main

import (
	"io"
	"net/http"
	"net/url"
	"os"
)

func BasicDownloadFileHTTP(downloadUrl string, proxyUrl string, proxyUser string, proxyPass string, desFile string) (downloadOk bool, resultLog []string) {
	// 解析下载URL
	_, err := url.Parse(downloadUrl)
	if err != nil {
		resultLog = append(resultLog, "Error parsing download URL: "+err.Error())
		return false, resultLog
	}

	// 创建文件
	out, err := os.Create(desFile)
	if err != nil {
		resultLog = append(resultLog, "Error creating file: "+err.Error())
		return false, resultLog
	}
	defer out.Close()

	// 创建HTTP客户端
	client := &http.Client{}

	// 如果提供了代理URL
	if proxyUrl != "" {
		// 解析代理URL
		proxyURL, err := url.Parse(proxyUrl)
		if err != nil {
			resultLog = append(resultLog, "Error parsing proxy URL: "+err.Error())
			return false, resultLog
		}

		// 设置HTTP代理
		transport := &http.Transport{
			Proxy: func(req *http.Request) (*url.URL, error) {
				req.SetBasicAuth(proxyUser, proxyPass)
				return proxyURL, nil
			},
		}
		client.Transport = transport
	}

	// 发送HTTP GET请求
	resp, err := client.Get(downloadUrl)
	if err != nil {
		resultLog = append(resultLog, "Error making GET request: "+err.Error())
		return false, resultLog
	}
	defer resp.Body.Close()

	// 检查HTTP响应状态码
	if resp.StatusCode != http.StatusOK {
		resultLog = append(resultLog, "Server returned HTTP status "+resp.Status)
		return false, resultLog
	}

	// 将HTTP响应内容写入文件
	_, err = io.Copy(out, resp.Body)
	if err != nil {
		resultLog = append(resultLog, "Error writing to file: "+err.Error())
		return false, resultLog
	}

	return true, resultLog
}

// quick sort function

func main() {

	//socksProxyUrl := "socks5://192.168.35.71:22888"
	httpProxyUrl := "http://192.168.35.71:22808"
	downloadOk, resultLog := BasicDownloadFileHTTP(
		"https://happybirthday.107421.xyz/octopus-agent/octopus-agent_linux_amd64_2024-03-29-17-47-14",
		httpProxyUrl,
		"zeaslity",
		"password",
		"octopus-agent_linux_1232",
	)
	if downloadOk {
		println("File downloaded successfully")
	} else {
		for _, log := range resultLog {
			println(log)
		}
	}
}