package files

import (
	"errors"
	"fmt"
	"os"
	"path/filepath"
)

func IsFileExists(fileLocation string) bool {
	if _, err := os.Stat(fileLocation); errors.Is(err, os.ErrNotExist) {
		return false
	}

	return true
}

func GetFirstIndexedNonExistingFilePath(parentDir string, fileBaseName string) string {
	filePath := filepath.Join(parentDir, fileBaseName)
	index := 0
	for {
		if !IsFileExists(filePath) {
			break
		}

		index++

		filePath = filepath.Join(parentDir, fmt.Sprintf("%s-%d", fileBaseName, index))
	}

	return filePath
}