<?php

namespace FileSystem;

use FileSystem\CommandFileSystem;


class PHPFileSystem extends CommandFileSystem{
    protected function unlink($path){
        if (is_file($path)){
            unlink($path);
        } else {
            $files = array_diff(scandir($path), array('.','..'));
            foreach ($files as $file) {
                $this->unlink($path.$this->sep.$file);
            }
            rmdir($path);
        }
    }

    protected function makedir($target){
        mkdir($target);
    }

    protected function ren($source, $target, $name){
        if (is_file($source)){
            rename($source, $target);
        } else {
            if(!file_exists($target)){
                rename($source, $target);
            } else {
                $files = scandir($source);
                foreach ($files as $file){
                    if ($file != "." && $file != "..") {
                        $this->ren($source.$this->sep.$file, $target.$this->sep.$file, $file);
                    }
                }
                rmdir($source);
            }
        }

    }

    protected function move($source, $target){
        if (is_file($source)){
            rename($source, $target.$this->sep.basename($source));
        } else {
            if(!file_exists($target.$this->sep.basename($source))){
                rename($source, $target.$this->sep.basename($source));
            } else {
                $files = scandir($source);
                foreach ($files as $file){
                    if ($file != "." && $file != "..") {
                        $this->move($source.$this->sep.$file, $target.$this->sep.basename($source));
                    }
                }
                rmdir($source);
            }
        }
    }

    protected function copy($source, $target){
        $dst = $target.$this->sep.basename($source);
        if (is_file($source)){
            copy($source, $dst);
        } else {
            if(!file_exists($dst)){
                mkdir($dst);
            }
            $files = scandir($source);
            foreach ($files as $file){
                if ($file != "." && $file != "..") {
                    $this->copy($source.$this->sep.$file, $dst);
                }
            }
        }
    }
}

?>