/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 (
	"golang.org/x/term"
	"os"
	"path/filepath"
)

func LoadTemplate(path, file, builtin string) (string, error) {
	file = filepath.Join(path, file)
	if !FileExists(file) {
		return builtin, nil
	}

	content, err := os.ReadFile(file)
	if err != nil {
		return "", err
	}

	return string(content), nil
}

func FileExists(file string) bool {
	_, err := os.Stat(file)
	return err == nil
}

func InteractiveTerminal() bool {
	return term.IsTerminal(int(os.Stdin.Fd()))
}
