package userrpc

import (
	"encoding/json"
	"errors"
	"strconv"
	"time"

	"git.tetele.net/tgo/crypter"
	"github.com/golang/protobuf/proto"
)

/**
 * 查找商户信息
 * 2021/04/06
 * gz
 */
func GetBusiness(site_id, dbname, business_id string, url ...string) (*Business, error) {

	conn, err := rpc_server_conn(url...)
	if err != nil {
		return nil, err
	}
	defer conn.Close()

	data := GetBusinessReq{}
	data.SiteId = site_id
	data.Dbname = dbname
	data.BusinessId = business_id

	data_json, err := json.Marshal(data)
	if err != nil {
		return nil, err
	}

	encryData := crypter.DesEn(string(data_json), DES_KEY)

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

	now := strconv.FormatInt(now_int64, 10)

	sign := Sign(encryData, now)

	req := &Request{
		proto.String(encryData),
		proto.String(now),
		proto.String(sign),
		nil}

	res := &Response{}

	err = conn.GetBusiness(req, res)

	if err != nil {
		return nil, err
	}

	return HandleGetBusinessRes(res)
}

/**
 * 处理返回结果
 */
func HandleGetBusinessRes(res *Response) (*Business, error) {

	res_data := res.GetData()

	if res_data == "" {

		return nil, errors.New("未收到收据")
	}

	time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
	if err != nil {
		return nil, 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 nil, errors.New("返回时间错误")
	}

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

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

	var res_arr Business

	err = json.Unmarshal([]byte(res_data_de), &res_arr)

	if err != nil {
		return nil, err
	}

	return &res_arr, nil
}

func GetBusinessInfo(site_id, dbname, id string, url ...string) (map[string]string, error) {

	if dbname == "" || id == "" {
		return nil, errors.New("参数错误")
	}

	conn, err := rpc_server_conn(url...)
	if err != nil {
		return nil, err
	}
	defer conn.Close()

	data := GetBusinessReq{}
	data.SiteId = site_id
	data.Dbname = dbname
	data.BusinessId = id

	req, err := SetReqData(data)
	if err != nil {
		return nil, err
	}

	res := &Response{}

	err = conn.GetBusinessInfo(req, res)

	if err != nil {
		return nil, err
	}

	res_data_de, err := GetResData(res)
	if err != nil {
		return nil, err
	}
	if res_data_de == "" {
		return nil, nil
	}
	var res_arr map[string]string

	err = json.Unmarshal([]byte(res_data_de), &res_arr)

	if err != nil {
		return nil, err
	}
	return res_arr, nil

}