// Copyright 2020 Google LLC
//
// 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 iam

import (
	"math/rand"
	"time"
)

// GenerateName
func GenerateName(prefix string) string {
	const letterBytes = "abcdefghijklmnopqrstuvwxyz0123456789"
	r := rand.New(rand.NewSource(time.Now().UTC().UnixNano()))
	b := make([]byte, 7) // 7 random chars
	for i := range b {
		b[i] = letterBytes[r.Intn(len(letterBytes))]
	}
	return prefix + string(b)
}

// ValidateRoleType
func ValidateRoleType(role string) bool {
	for _, r := range roles {
		if role == r {
			return true
		}
	}
	return false
}
