package context

import (
	"encoding/json"
	"errors"
	"fmt"
)

//ErrUnmarshall err when unmarshall
var ErrUnmarshall = errors.New("json Unmarshal Error")

//WxError 微信返回的错误信息
type WxError struct {
	Code int64  `json:"errcode"`
	Msg  string `json:"errmsg"`
}

//NewWxError new NewWxError
func NewWxError(code int64, msg string) *WxError {
	return &WxError{Code: code, Msg: msg}
}

func (e *WxError) Error() string {
	return e.Msg
}

//CheckCommonError check CommonError
func CheckCommonError(jsonData []byte) error {
	var errmsg WxError
	if err := json.Unmarshal(jsonData, &errmsg); err != nil {
		return ErrUnmarshall
	}

	if errmsg.Code != 0 {
		return fmt.Errorf("Error , errcode=%d , errmsg=%s", errmsg.Code, errmsg.Msg)
	}

	return nil
}