// Copyright 2021 PingCAP, Inc.
//
// 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 utils

import (
	"strings"

	"github.com/thoas/go-funk"
)

func IsSubsets(a []string, b []string) bool {
	lowercaseA := funk.Map(a, func(x string) string {
		return strings.ToLower(x)
	}).([]string)
	lowercaseB := funk.Map(b, func(x string) string {
		return strings.ToLower(x)
	}).([]string)

	return len(funk.Join(lowercaseA, lowercaseB, funk.InnerJoin).([]string)) == len(lowercaseB)
}