package file_watcher

import (
	"os"
	"time"
)

func IsFileChange(lastMod *time.Time, filename string) bool {
	fileStat, err := os.Stat(filename)

	if err != nil {
		return false
	}

	if *lastMod != fileStat.ModTime() {
		*lastMod = fileStat.ModTime()
		return true
	} else {
		return false
	}
}

func GetFileModTime(filename string) (time.Time, error) {
	fileStat, err := os.Stat(filename)

	if err != nil {
		return time.Date(1970, 1, 1, 0, 0, 0, 0, time.UTC), err
	}
	return fileStat.ModTime(), nil
}