// Package tools provides ...
package tools

import (
	"crypto/sha256"
	"fmt"
	"io"
	"io/ioutil"
	"path"
)

// EncryptPasswd encrypt password
func EncryptPasswd(name, pass string) string {
	salt := "%$@w*)("
	h := sha256.New()
	io.WriteString(h, name)
	io.WriteString(h, salt)
	io.WriteString(h, pass)
	return fmt.Sprintf("%x", h.Sum(nil))
}

// ReadDirFiles 读取目录
func ReadDirFiles(dir string, filter func(name string) bool) (files []string) {
	fileInfos, err := ioutil.ReadDir(dir)
	if err != nil {
		return
	}
	for _, fi := range fileInfos {
		if filter(fi.Name()) {
			continue
		}
		if fi.IsDir() {
			files = append(files, ReadDirFiles(path.Join(dir, fi.Name()), filter)...)
			continue
		}
		files = append(files, path.Join(dir, fi.Name()))
	}
	return
}