package dbHelper

import (
	"bytes"
	"crypto/tls"
	"fmt"
	"io"
	"log"
	"mime/multipart"
	"net/http"
	"os"
	"strings"
	"time"
)

type HttpHelper struct {
	Url   string
	Token string

	client http.Client
}

func (the *HttpHelper) Initial() {
	the.client = http.Client{}

	time.Sleep(time.Second * 1)

}
func (the *HttpHelper) HttpGet(queryBody string) string {
	url := the.Url
	client := the.client
	req, err := http.NewRequest("GET", url, strings.NewReader(queryBody))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println(err)
	}
	defer resp.Body.Close()
	fmt.Println("http get 请求,url", url, " <- code=", resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	return string(body)
}
func (the *HttpHelper) HttpGetWithHeader(queryBody string, headerMap map[string]string) string {
	url := the.Url
	client := the.client
	req, err := http.NewRequest("GET", url, strings.NewReader(queryBody))
	req.Header.Set("Content-Type", "application/json")

	for k, v := range headerMap {
		req.Header.Set(k, v)
	}

	resp, err := client.Do(req)
	if err != nil {
		fmt.Println(err)
	}
	defer func(resp *http.Response) {
		if resp != nil && resp.Body != nil {
			errClose := resp.Body.Close()
			if errClose != nil {
				log.Printf("关闭异常")
			}
		}
	}(resp)
	fmt.Println("http get 请求,url", url, " <- code=", resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	return string(body)
}
func (the *HttpHelper) Publish(messageBytes []byte) (string, error) {
	url := the.Url
	client := the.client
	req, err := http.NewRequest("POST", url, bytes.NewReader(messageBytes))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		log.Println("请求POST异常 ", err, resp)
		return "", err
	}
	defer resp.Body.Close()

	log.Println("http post 请求,url", url, " <- code=", resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		log.Println("请求ReadAll异常 ", err, resp)
		return "", err
	}
	return string(body), err
}
func (the *HttpHelper) PublishWithHeader(messageBytes []byte, headers map[string]string) (string, error) {
	resp, err := HttpPostWithHeader(the.Url, string(messageBytes), headers)
	if err != nil {
		log.Printf("数据推送异常 err=%s,resp=%s", err.Error(), resp)
	}
	return resp, err
}

// 静态方法
func HttpGet(url string, queryBody string) string {
	client := &http.Client{}
	req, err := http.NewRequest("GET", url, strings.NewReader(queryBody))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println(err)
	}
	defer resp.Body.Close()
	fmt.Println("http get 请求,url", url, " <- code=", resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	return string(body)
}

func HttpPost(url string, queryBody string) (string, error) {
	client := &http.Client{}
	req, err := http.NewRequest("POST", url, strings.NewReader(queryBody))
	req.Header.Set("Content-Type", "application/json")
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("请求POST异常 ", err, resp)
		return "", err
	}
	defer resp.Body.Close()

	fmt.Println("http post 请求,url", url, " <- code=", resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("请求ReadAll异常 ", err, resp)
		return "", err
	}
	return string(body), err
}

func HttpPostWithHeader(url string, queryBody string, headers map[string]string) (string, error) {
	tr := &http.Transport{
		DisableKeepAlives: true,
		TLSClientConfig:   &tls.Config{InsecureSkipVerify: true},
	}
	client := &http.Client{Transport: tr}
	req, err := http.NewRequest("POST", url, strings.NewReader(queryBody))

	req.Header.Set("Content-Type", "application/json")
	for k, v := range headers {
		req.Header.Add(k, v)
	}

	fmt.Printf("http post 开始请求,%s,\n,%v \n", url, req)
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("请求POST异常 ", err, resp)
		return "", err
	}
	defer resp.Body.Close()

	//fmt.Println("http post 请求,url=", url, " <- code=", resp.StatusCode)

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("请求ReadAll异常 ", err, resp)
		return "", err
	}
	return string(body), err
}

func HttpPostFormDataWithHeader(url string, queryBody string, headers map[string]string) (string, error) {
	tr := &http.Transport{
		DisableKeepAlives: true,
		TLSClientConfig:   &tls.Config{InsecureSkipVerify: true},
	}
	client := &http.Client{Transport: tr}
	req, err := http.NewRequest("POST", url, strings.NewReader(queryBody))

	req.Header.Set("Content-Type", "application/json")
	for k, v := range headers {
		req.Header.Add(k, v)
	}

	fmt.Printf("http post 开始请求,%s,\n,%s \n", url, req)
	resp, err := client.Do(req)
	if err != nil {
		fmt.Println("请求POST异常 ", err, resp)
		return "", err
	}
	defer resp.Body.Close()

	fmt.Println("http post 请求,url=", url, " <- code=", resp.StatusCode)

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		fmt.Println("请求ReadAll异常 ", err, resp)
		return "", err
	}
	return string(body), err
}

func UploadFile(url string, headers map[string]string, bodyParams map[string]string, fileName string) ([]byte, error) {
	body := new(bytes.Buffer)
	// 创建 multipart writer
	mpWriter := multipart.NewWriter(body)
	for key, val := range bodyParams {
		_ = mpWriter.WriteField(key, val)
	}

	file, err := os.Open(fileName)
	fileInfo, err := file.Stat()

	// 添加文件字段
	formFile, err := mpWriter.CreateFormFile("File", fileInfo.Name())
	if err != nil {
		return nil, err
	}

	if err != nil {
		return nil, err
	}
	if err != nil {
		log.Printf("无法打开文件[%s]: err=%s", file.Name(), err.Error())
		return nil, err
	}
	//读取文件并写入请求体
	_, err = io.Copy(formFile, file)
	if err != nil {
		return nil, err
	}

	err = mpWriter.Close()
	if err != nil {
		return nil, err
	}

	req, err := http.NewRequest("POST", url, body)
	//req.Header.Set("Content-Type", "application/json")
	//req.Header.Set("Content-Type","multipart/form-data")
	req.Header.Add("Content-Type", mpWriter.FormDataContentType())
	for k, v := range headers {
		req.Header.Add(k, v)
	}
	if err != nil {
		return nil, err
	}

	//tr := &http.Transport{
	//	DisableKeepAlives: true,
	//	TLSClientConfig:   &tls.IOConfig{InsecureSkipVerify: true},
	//}
	//HttpClient := &http.Client{Transport: tr}
	HttpClient := &http.Client{}
	resp, err := HttpClient.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	content, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}
	return content, nil
}