package main

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

const (
	// user
	ERR_EMPTY_USERNAME     = "用户名不能为空"
	ERR_EMPTY_PASSWORD     = "密码不能为空"
	ERR_EMPTY_PASSWORD2    = "重复密码不能为空"
	ERR_DIFFERENT_PASSWORD = "重复密码输入不一致"
	ERR_USER_EXIST         = "用户已存在"
	ERR_USER_NOT_EXIST     = "用户不存在"
	ERR_WRONG_PASSWORD     = "用户名或密码错误"
	ERR_USERNAME_LENGTH    = "用户名长度需在1-18位"
	ERR_PASSWORD_LENGTH    = "密码长度需在6-18位"
	ERR_KEY                = "暗号不匹配！有内鬼，终止交易"

	// request
	ERR_REQUESTING = "正在请求中，请等待请求完成"

	// aksk+url
	ERR_EMPTY_URL       = "URL不能为空"
	ERR_EMPTY_AK        = "邮箱不能为空"
	ERR_EMPTY_SK        = "密码不能为空"
	ERR_URL_NOT_EXISTS  = "尚未提交URL"
	ERR_AKSK_NOT_EXISTS = "尚未提交邮箱密码"
	ERR_AKSK_NO_CHANGE  = "实验邮箱密码未修改"

	// token
	ERR_TOKEN = "无效token，请重新登录"

	// db
	ERR_DB = "数据库错误"

	// common
	ERR_LOAD_JSON = "无法处理数据"
	ERR_READ_BODY = "无法读取数据"
	ERR_UNKNOWN   = "未知错误"
)

func newError(err string) error {
	return errors.New(err)
}

func simpleJsonMsg(msg string, success int) string {
	err := &MsgInterface{
		Success: success,
		Msg:     msg,
	}
	j, e := json.Marshal(err)
	if e != nil {
		return fmt.Sprintf("{\"success\":%d,\"msg\":\"%s\"}", success, msg)
	} else {
		return fmt.Sprint(string(j))
	}
}