package httpclient

import (
	"admin/internal/errcode"
	"admin/lib/xlog"
	"encoding/json"
	"io"
	"net/http"
	"net/url"
	"strings"
	"time"
)

func Request(addr string, method string, body interface{}, resData interface{}) error {
	removeUrl := checkUrl(addr)

	//xlog.Debugf("-->req url: %v", removeUrl)
	var res *http.Response
	var err error
	if method != "get" {
		var bodyReader io.Reader
		if body != nil {
			bodyBytes, err := json.Marshal(body)
			if err != nil {
				xlog.Warnf(err)
				return errcode.New(errcode.ServerError, "数据解析失败:%v", err)
			}
			bodyReader = strings.NewReader(string(bodyBytes))
		}
		client := &http.Client{
			Timeout: time.Second * 3,
		}
		req, err := http.NewRequest(method, removeUrl, bodyReader)
		if err != nil {
			xlog.Warnf(err)
			return errcode.New(errcode.ServerError, "数据请求创建失败:%v", err)
		}

		res, err = client.Do(req)
		if err != nil {
			xlog.Warnf(err)
			return errcode.New(errcode.ServerError, "数据请求失败:%v", err)
		}
	} else {

		if params, ok := body.(*url.Values); ok {
			removeUrl = removeUrl + "?" + params.Encode()
		} else if params, ok := body.(map[string]string); ok {
			values := &url.Values{}
			for k, v := range params {
				values.Add(k, v)
			}
			removeUrl = removeUrl + "?" + values.Encode()
		} else {
			paramsBin, err := json.Marshal(body)
			if err != nil {
				return errcode.New(errcode.ServerError, "get方法数据格式(%+v)不合法，尝试json序列化再反序列化时，序列化报错:%v", body, err)
			}
			params := make(map[string]string)
			err = json.Unmarshal(paramsBin, &params)
			if err != nil {
				return errcode.New(errcode.ServerError, "get方法数据格式(%+v)不合法，尝试json序列化再反序列化时，反序列化报错:%v", body, err)
			}
			values := &url.Values{}
			for k, v := range params {
				values.Add(k, v)
			}
			removeUrl = removeUrl + "?" + values.Encode()
		}

		res, err = http.Get(removeUrl)
	}

	// 获取数据
	defer res.Body.Close()

	resBody, err := io.ReadAll(res.Body)
	if err != nil {
		xlog.Warnf(err)
		return errcode.New(errcode.ServerError, "数据解析失败:%v", err)
	}

	if len(resBody) < 256 {
		xlog.Debugf("request url:%v, rsp:%v", removeUrl, string(resBody))
	}

	if err = json.Unmarshal(resBody, resData); err != nil {
		return errcode.New(errcode.ServerError, "数据(%v)格式错误:%v", string(resBody), err)
	}

	//xlog.Debugf("%+v", resData)

	return nil
}

func checkUrl(u string) string {
	if strings.Contains(u, `http://`) || strings.Contains(u, `https://`) {
		return u
	} else {
		return `http://` + u
	}
}