<?php

/*
 * This file is part of Phraseanet
 *
 * (c) 2005-2010 Alchemy
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

class lazaretFile
{

  protected $storage = array();

  /**
   *
   * @param int $lazaret_id
   * @return lazaretFile
   */
  function __construct($lazaret_id)
  {
    $conn = connection::getPDOConnection();

    $sql = 'SELECT filename, filepath, base_id,
                   uuid, status, created_on, usr_id
             FROM lazaret WHERE id = :lazaret_id';

    $stmt = $conn->prepare($sql);
    $stmt->execute(array(':lazaret_id' => $lazaret_id));
    $row = $stmt->fetch(PDO::FETCH_ASSOC);
    $stmt->closeCursor();

    if (!$row)
      throw new Exception(_('L\'element n\'existe pas ou plus'));

    $this->id = $lazaret_id;
    $this->filename = $row['filename'];
    $this->filepath = $row['filepath'];
    $this->status = $row['status'];
    $this->base_id = $row['base_id'];
    $this->uuid = $row['uuid'];
    $this->created_on = new DateTime($row['created_on']);
    $this->usr_id = $row['usr_id'];

    return $this;
  }

  /**
   *
   * @return lazaretFile
   */
  public function add_to_base()
  {
    $registry = registry::get_instance();

    $file = new system_file($registry->get('GV_RootPath') . 'tmp/lazaret/' . $this->filepath);

    if (($record_id = p4file::archiveFile(
                    $file, $this->base_id, false, $this->filename)) === false)
      throw new Exception(_('Impossible dajouter le fichier a la base'));

    $sbas_id = phrasea::sbasFromBas($this->base_id);
    $connbas = connection::getPDOConnection($sbas_id);

    $sql = 'UPDATE record
        SET status = (status | ' . $this->status . ')
        WHERE record_id = :record_id';

    $stmt = $connbas->prepare($sql);
    $stmt->execute(array(':record_id' => $record_id));
    $stmt->closeCursor();

    $this->delete();

    return $this;
  }

  /**
   *
   * @return lazaretFile
   */
  public function delete()
  {
    $conn = connection::getPDOConnection();
    $registry = registry::get_instance();

    try
    {
      $sql = 'DELETE FROM lazaret WHERE id = :lazaret_id';
      $stmt = $conn->prepare($sql);
      $stmt->execute(array(':lazaret_id' => $this->id));
      $stmt->closeCursor();

      $file = $registry->get('GV_RootPath') . 'tmp/lazaret/' . $this->filepath;
      $thumbnail = $file . '_thumbnail.jpg';

      @unlink($thumbnail);
      @unlink($file);
    }
    catch (Exception $e)
    {

    }

    return $this;
  }

  /**
   *
   * @param Int $lazaret_id
   * @param Int $record_id
   * @return lazaretFile
   */
  public function substitute($lazaret_id, $record_id)
  {
    $registry = registry::get_instance();

    $sbas_id = phrasea::sbasFromBas($this->base_id);
    $connbas = connection::getPDOConnection($sbas_id);

    $base_id = false;

    $sql = 'SELECT coll_id FROM record WHERE record_id = :record_id';

    $stmt = $connbas->prepare($sql);
    $stmt->execute(array(':record_id' => $record_id));
    $row = $stmt->fetch(PDO::FETCH_ASSOC);
    $stmt->closeCursor();

    if (!$row)
      throw new Exception(_('Impossible de trouver la base'));

    $base_id = phrasea::baseFromColl($sbas_id, $row['coll_id']);

    $pathfile = $registry->get('GV_RootPath') . 'tmp/lazaret/' . $this->filepath;

    $record = new record_adapter($sbas_id, $record_id);
    $record->substitute_subdef('document', new system_file($pathfile));

    $this->delete();

    return $this;
  }

  public static function move_uploaded_to_lazaret(
  system_file $system_file, $base_id, $filename, $errors='', $status=false)
  {
    $appbox = appbox::get_instance();
    $session = $appbox->get_session();
    $registry = $appbox->get_registry();
    $conn = $appbox->get_connection();
    $system = system_server::get_platform();

    if (!$status)
      $status = '0';

    $usr_id = $session->is_authenticated() ? $session->get_usr_id() : false;

    $lazaret_root = $registry->get('GV_RootPath') . 'tmp/lazaret/';
    $pathinfo = pathinfo($filename);

    $tmp_filename = $filename;

    $n = 1;
    while (file_exists($lazaret_root . $tmp_filename))
    {
      $tmp_filename = $pathinfo['filename']
              . '-' . $n . '.' . $pathinfo['extension'];
      $n++;
    }

    $pathfile = $lazaret_root . $tmp_filename;
    $uuid = $system_file->read_uuid();
    $sha256 = $system_file->get_sha256();
    rename($system_file->getPathname(), $pathfile);

    unset($system_file);

    $system_file = new system_file($pathfile);
    $system_file->chmod();

    try
    {
      $system_file = new system_file($pathfile);
      switch ($system_file->get_phrasea_type())
      {
        case 'image':
        default:
          $adapter = new binaryAdapter_image_resize($registry);
          break;
        case 'video':
          $adapter = new binaryAdapter_video_toimage($registry);
          break;
        case 'flash':
          $adapter = new binaryAdapter_flash_toimage($registry);
          break;
        case 'audio':
          $adapter = new binaryAdapter_audio_previewExtract($registry);
          break;
      }
      $adapter->execute($system_file, $pathfile . "_thumbnail.jpg", array('size' => 300));
    }
    catch (Exception $e)
    {

    }

    try
    {

      $sql = 'INSERT INTO lazaret
            (id, filename, filepath, base_id, uuid, sha256,
                  errors, status, created_on, usr_id)
          VALUES (null, :filename, :filepath, :base_id,
          :uuid, :sha256, :errors, 0b' . $status . ', NOW(), :usr_id )';

      $params = array(
          ':filename' => $filename
          , ':filepath' => $tmp_filename
          , ':base_id' => $base_id
          , ':uuid' => $uuid
          , ':sha256' => $sha256
          , ':errors' => $errors
          , ':usr_id' => ($usr_id ? $usr_id : null
          )
      );

      $stmt = $conn->prepare($sql);
      $stmt->execute($params);
      $stmt->closeCursor();

      return true;
    }
    catch (Exception $e)
    {

    }

    return false;
  }

  public static function stream_thumbnail($id)
  {
    $conn = connection::getPDOConnection();
    $registry = registry::get_instance();
    $sql = "SELECT filepath FROM lazaret WHERE id = :lazaret_id";

    $stmt = $conn->prepare($sql);
    $stmt->execute(array(':lazaret_id' => $id));
    $row = $stmt->fetch(PDO::FETCH_ASSOC);
    $stmt->closeCursor();

    if ($row)
    {
      $pathfile = $registry->get('GV_RootPath') . 'tmp/lazaret/'
              . $row['filepath'] . '_thumbnail.jpg';

      $response = set_export::stream_file(
                      $pathfile,
                      basename($pathfile),
                      'image/jpeg',
                      'inline'
      );
      $response->send();
    }

    return false;
  }

}