package userrpc

import (
    "encoding/json"
    "errors"
)

/**
 * 获取用户积分
 */
func GetUserScore(dbname, userId string, url ...string) (string, error) {

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

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

    data := GetUserReq{}
    data.Dbname = dbname
    data.UserId = userId

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

    res := &Response{}

    err = conn.GetUserScore(req, res)

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

    res_data_de, err := GetResData(res)
    if err != nil {
        return "", err
    }
    if res_data_de == "" {
        return "", nil
    }

    var score string
    err = json.Unmarshal([]byte(res_data_de), &score)

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

    return score, nil
}

/**
 * 获取用户红包
 */
func GetUserRedEnvelope(dbname, userId string, url ...string) (string, error) {

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

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

    data := GetUserReq{}
    data.Dbname = dbname
    data.UserId = userId

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

    res := &Response{}

    err = conn.GetUserRedEnvelope(req, res)

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

    res_data_de, err := GetResData(res)
    if err != nil {
        return "", err
    }
    if res_data_de == "" {
        return "", nil
    }

    var redEnvelope string
    err = json.Unmarshal([]byte(res_data_de), &redEnvelope)

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

    return redEnvelope, nil
}