// Copyright 2021 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package util

import "regexp"

var reEmail *regexp.Regexp
var rePhoneCn *regexp.Regexp

func init() {
	reEmail, _ = regexp.Compile(`^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$`)
	rePhoneCn, _ = regexp.Compile("^((13[0-9])|(14[5,7])|(15[0-3,5-9])|(17[0,3,5-8])|(18[0-9])|166|191|198|199|(147))\\d{8}$")
}

func IsEmailValid(email string) bool {
	return reEmail.MatchString(email)
}

func IsPhoneCnValid(phone string) bool {
	return rePhoneCn.MatchString(phone)
}