package apputil

import (
	"os"
	"path/filepath"
	"realy.lol/lol"
)

// EnsureDir checks a file could be written to a path, creates the directories
// as needed
func EnsureDir(fileName string) (merr error) {
	lol.Tracer("EnsureDir", fileName)
	defer func() { lol.Tracer("end EnsureDir", fileName) }()
	dirName := filepath.Dir(fileName)
	if _, serr := os.Stat(dirName); serr != nil {
		merr = os.MkdirAll(dirName, os.ModePerm)
		if merr != nil {
			return
		}
	}
	return
}

// FileExists reports whether the named file or directory exists.
func FileExists(filePath string) (exists bool) {
	lol.Tracer("FileExists", filePath)
	defer func() { lol.Tracer("end FileExists", exists) }()
	_, e := os.Stat(filePath)
	exists = e == nil
	return
}