package orderrpc

import (
	"errors"
	"strconv"
	"time"

	"git.tetele.net/tgo/crypter"
)

const DES_KEY = "ordernew"

func rpc_server_conn(url ...string) (*OrderServiceClient, error) {

	var order_rpc_url string = "127.0.0.1:7973"
	if len(url) > 0 && url[0] != "" {
		order_rpc_url = url[0]
	}

	conn, _, err := DialOrderService("tcp", order_rpc_url)
	if err != nil {
		return nil, err
	}

	return conn, nil
}

/**
 * 处理返回结果
 */
func HandleResponse(res *CreateResponse) (string, error) {

	res_data := res.GetData()

	if res_data == "" {

		return "", errors.New("未收到收据")
	}

	time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
	if err != nil {
		return "", err
	}

	now_int64 := time.Now().Unix()

	if now_int64-time_int64 > 10 || time_int64-now_int64 > 10 {
		//时间误差前后10秒，返回
		return "", errors.New("返回时间错误")
	}

	check_sign := CheckSign(res.GetSign(), res_data, res.GetTime())
	if !check_sign {
		return "", errors.New("返回数据签名错误")
	}

	//解密
	res_data_de := crypter.DesDe(res_data, "ordernew")

	return res_data_de, nil

}

/**
 * 处理返回结果
 */
func GetOrgData(res *Response) (string, error) {

	res_data := res.GetData()

	if res_data == "" {

		return "", errors.New("未收到收据")
	}

	time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
	if err != nil {
		return "", err
	}

	now_int64 := time.Now().Unix()

	if now_int64-time_int64 > 10 || time_int64-now_int64 > 10 {
		//时间误差前后10秒，返回
		return "", errors.New("返回时间错误")
	}

	check_sign := CheckSign(res.GetSign(), res_data, res.GetTime())
	if !check_sign {
		return "", errors.New("返回数据签名错误")
	}

	//解密
	res_data_de := crypter.DesDe(res_data, DES_KEY)

	return res_data_de, nil

}