<?php

/**
 * Project:     Breeze framework
 * Author:      Jager Mesh (hide@address.com)
 *
 * @version 1.1.0.0
 * @package Breeze Core
 */

require_once(dirname(__FILE__).'/BrSingleton.php');

class BrFileSystem extends BrSingleton {

  public function normalizePath($path) {
   
     return rtrim($path, '/').'/';
  
  }

  public function normalizeFileName($fileName) {
   
    return preg_replace('~[^-A-Za-z0-9_.#$!()\[\]]~', '_', $fileName);
  
  }

  public function fileName($fileName, $addIndex = null) {
   
    $pathinfo = pathinfo($fileName);
    if ($addIndex) {
      return br($pathinfo, 'filename').'-'.$addIndex.'.'.br($pathinfo, 'extension');
    } else {
      return br($pathinfo, 'basename');
    }
  
  }

  public function filePath($path) {
   
    return $this->normalizePath(dirname($path));
  
  }

  public function fileExt($fileName) {
   
    $pathinfo = pathinfo($fileName);
    return br($pathinfo, 'extension');
  
  }

  public function fileExists($filePath) {
    
    return file_exists($filePath);

  }

  public function loadFromFile($fileName) {
    
    return file_get_contents($fileName);

  }

  public function saveToFile($fileName, $content) {
    
    file_put_contents($fileName, $content);

  }

  public function makeDir($path) {

    if (is_dir($path)) {
      return true;
    }

    $priorPath = dirname($path);
    if (!$this->makeDir($priorPath)) {
      return false;
    }
    
    br()->errorHandler()->disable();
    $result = @mkdir($path);
    br()->errorHandler()->enable();

    return $result;    
    
  }
  
  public function checkWriteable($path) {

    if (!is_writeable($path)) {
      throw new Exception('Can not create directory "' . $path .'"');
    }
    
  }

  public function createDir($path) {

    if (!$this->makeDir($path)) {
      throw new Exception('Can not create directory "' . $path .'"');
    }

    return $this;
    
  }
  
}