package trtc

import (
	"crypto/hmac"
	"crypto/sha256"
	"encoding/base64"
	"encoding/hex"
	"fmt"
	"git.hilo.cn/hilo-common/mylogrus"
	"time"
)

//创建群组的TRTC通道，token有效时长：一个星期
func CreateGroupTRTCUserSig(uid uint64) string {
	appId := "1400548270"
	appSecret := "321bd60f73096b059c7350f1cd97d51028850b34fa58c5c0d26bb4a19e783de8"
	expireTimeInSeconds := uint32(60 * 60 * 24 * 7) //一个星期
	nowTime := time.Now()
	base64Str := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%d\n%v\n%v\n%v", uid, appId, nowTime.Unix(), expireTimeInSeconds)))
	userSig := hmacSha256(fmt.Sprintf("%d\n%v\n%v\n%v\n%v", uid, appId, nowTime.Unix(), expireTimeInSeconds, base64Str), appSecret)
	mylogrus.MyLog.Infof("CreateGroupTRTCUserSig uid:%d, token:%s", uid, userSig)

	return userSig
}

func hmacSha256(data string, secret string) string {
	h := hmac.New(sha256.New, []byte(secret))
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum(nil))
}