package utils

import (
	"crypto/tls"
	"net/http"
	"sync"
)

var (
	hc   *http.Client
	once sync.Once
)

// HC returns a singleton http client, initialize only once
func HC() *http.Client {
	once.Do(func() {
		hc = &http.Client{}

		transport := http.DefaultTransport.(*http.Transport).Clone()
		transport.TLSClientConfig = &tls.Config{
			InsecureSkipVerify: true,
		}
		transport.ForceAttemptHTTP2 = true
		hc.Transport = transport
	})

	return hc
}