<?php
  /**
   * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OC\Files;
  
  class FileInfo implements \OCP\Files\FileInfo, \ArrayAccess {
  	/**
  	 * @var array $data
  	 */
  	private $data;
  
  	/**
  	 * @var string $path
  	 */
  	private $path;
  
  	/**
  	 * @var \OC\Files\Storage\Storage $storage
  	 */
  	private $storage;
  
  	/**
  	 * @var string $internalPath
  	 */
  	private $internalPath;
  
  	/**
  	 * @param string|boolean $path
  	 * @param Storage\Storage $storage
  	 */
  	public function __construct($path, $storage, $internalPath, $data) {
  		$this->path = $path;
  		$this->storage = $storage;
  		$this->internalPath = $internalPath;
  		$this->data = $data;
  	}
  
  	public function offsetSet($offset, $value) {
  		$this->data[$offset] = $value;
  	}
  
  	public function offsetExists($offset) {
  		return isset($this->data[$offset]);
  	}
  
  	public function offsetUnset($offset) {
  		unset($this->data[$offset]);
  	}
  
  	public function offsetGet($offset) {
  		if ($offset === 'type') {
  			return $this->getType();
  		} elseif (isset($this->data[$offset])) {
  			return $this->data[$offset];
  		} else {
  			return null;
  		}
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getPath() {
  		return $this->path;
  	}
  
  	/**
  	 * @return \OCP\Files\Storage
  	 */
  	public function getStorage() {
  		return $this->storage;
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getInternalPath() {
  		return $this->internalPath;
  	}
  
  	/**
  	 * @return int
  	 */
  	public function getId() {
  		return $this->data['fileid'];
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getMimetype() {
  		return $this->data['mimetype'];
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getMimePart() {
  		return $this->data['mimepart'];
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getName() {
  		return basename($this->getPath());
  	}
  
  	/**
  	 * @return string
  	 */
  	public function getEtag() {
  		return $this->data['etag'];
  	}
  
  	/**
  	 * @return int
  	 */
  	public function getSize() {
  		return $this->data['size'];
  	}
  
  	/**
  	 * @return int
  	 */
  	public function getMTime() {
  		return $this->data['mtime'];
  	}
  
  	/**
  	 * @return bool
  	 */
  	public function isEncrypted() {
  		return $this->data['encrypted'];
  	}
  
  	/**
  	 * @return int
  	 */
  	public function getPermissions() {
  		return $this->data['permissions'];
  	}
  
  	/**
  	 * @return \OCP\Files\FileInfo::TYPE_FILE|\OCP\Files\FileInfo::TYPE_FOLDER
  	 */
  	public function getType() {
  		if (isset($this->data['type'])) {
  			return $this->data['type'];
  		} else {
  			return $this->getMimetype() === 'httpd/unix-directory' ? self::TYPE_FOLDER : self::TYPE_FILE;
  		}
  	}
  
  	public function getData() {
  		return $this->data;
  	}
  
  	/**
  	 * @param int $permissions
  	 * @return bool
  	 */
  	protected function checkPermissions($permissions) {
  		return ($this->getPermissions() & $permissions) === $permissions;
  	}
  
  	/**
  	 * @return bool
  	 */
  	public function isReadable() {
  		return $this->checkPermissions(\OCP\PERMISSION_READ);
  	}
  
  	/**
  	 * @return bool
  	 */
  	public function isUpdateable() {
  		return $this->checkPermissions(\OCP\PERMISSION_UPDATE);
  	}
  
  	/**
  	 * @return bool
  	 */
  	public function isDeletable() {
  		return $this->checkPermissions(\OCP\PERMISSION_DELETE);
  	}
  
  	/**
  	 * @return bool
  	 */
  	public function isShareable() {
  		return $this->checkPermissions(\OCP\PERMISSION_SHARE);
  	}
  
  	/**
  	 * Check if a file or folder is shared
  	 * @return bool
  	 */
  	public function isShared() {
  		$sid = $this->getStorage()->getId();
  		if (!is_null($sid)) {
  			$sid = explode(':', $sid);
  			return ($sid[0] === 'shared');
  		}
  
  		return false;
  	}
  
  	public function isMounted() {
  		$sid = $this->getStorage()->getId();
  		if (!is_null($sid)) {
  			$sid = explode(':', $sid);
  			return ($sid[0] !== 'local' and $sid[0] !== 'home');
  		}
  
  		return false;
  	}
  }