package main

import (
	"github.com/pkg/errors"
	"io"
	"net/http"
	"net/http/cookiejar"
	"strconv"
	"time"
)

var Client *http.Client

func init() {
	transport := http.DefaultTransport.(*http.Transport).Clone()
	transport.MaxIdleConnsPerHost = 10
	jar, _ := cookiejar.New(nil)
	Client = &http.Client{
		Transport:     transport,
		CheckRedirect: nil,
		Jar:           jar,
		Timeout:       15 * time.Second,
	}
}
func createRequest(method string, url string, body io.Reader) *http.Request {
	req, _ := http.NewRequest(method, url, body)
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0")
	return req
}
func checkHttpError(res *http.Response, err error) error {
	if err != nil {
		return errors.WithStack(err)
	}
	if res.StatusCode != http.StatusOK {
		return errors.New(strconv.Itoa(res.StatusCode))
	}
	return nil
}