package file

import (
	"log"
	"os"
	"strings"
)

func Substr(s string, pos, length int) string {
	runes := []rune(s)
	l := pos + length
	if l > len(runes) {
		l = len(runes)
	}
	return string(runes[pos:l])
}

func GetParentDirectory(dirctory, SEPARATOR string) string {

	currentDir := strings.TrimRight(dirctory, SEPARATOR)

	return Substr(currentDir, 0, strings.LastIndex(currentDir, SEPARATOR))
}

/**
* 创建目录
 */
func CreatePath(path string) error {

	DirStat, err := os.Stat(path)
	if err != nil || !DirStat.IsDir() {
		err := os.MkdirAll(path, 0755)
		if err != nil {
			log.Println("ERROR|", path, "目录创建失败", err)
		}
	}

	//	_, err := os.Stat(path) //检查目录是否存在
	//	if err != nil {
	//		cmd := exec.Command("/bin/sh", "-c", "mkdir -p "+path)
	//		if runtime.GOOS == "windows" {
	//			cmd = exec.Command("cmd", "/C", "md "+path)
	//		} else {

	//		}

	//		err := cmd.Run()

	//		return err
	//	}
	return err
}