<?php
  /**
   * Copyright (c) 2012 Georg Ehrke <ownclouddev at georgswebsite dot de>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  OCP\JSON::checkLoggedIn();
  OCP\App::checkAppEnabled('calendar');
  OCP\JSON::callCheck();
  session_write_close();
  if (isset($_POST['progresskey']) && isset($_POST['getprogress'])) {

  	echo OCP\JSON::success(array('percent'=>\OC\Cache::get($_POST['progresskey'])));

  	exit;
  }
  $file = \OC\Files\Filesystem::file_get_contents($_POST['path'] . '/' . $_POST['file']);
  if(!$file) {
  	OCP\JSON::error(array('error'=>'404'));
  }
  $file = Sabre\VObject\StringUtil::convertToUTF8($file);
  $import = new OC_Calendar_Import($file);
  $import->setUserID(OCP\User::getUser());
  $import->setTimeZone(OC_Calendar_App::$tz);
  $import->enableProgressCache();
  $import->setProgresskey($_POST['progresskey']);
  if(!$import->isValid()) {
  	OCP\JSON::error(array('error'=>'notvalid'));
  	exit;
  }
  $newcal = false;
  if($_POST['method'] == 'new') {
  	$calendars = OC_Calendar_Calendar::allCalendars(OCP\User::getUser());
  	foreach($calendars as $calendar) {
  		if($calendar['displayname'] == $_POST['calname']) {
  			$id = $calendar['id'];
  			$newcal = false;
  			break;
  		}
  		$newcal = true;
  	}
  	if($newcal) {
  		$id = OC_Calendar_Calendar::addCalendar(OCP\USER::getUser(), strip_tags($_POST['calname']),'VEVENT,VTODO,VJOURNAL',null,0,strip_tags($_POST['calcolor']));
  		OC_Calendar_Calendar::setCalendarActive($id, 1);
  	}
  }else{
  	$calendar = OC_Calendar_App::getCalendar($_POST['id']);
  	if($calendar['userid'] != OCP\USER::getUser()) {
  		OCP\JSON::error(array('error'=>'missingcalendarrights'));
  		exit();
  	}
  	$id = $_POST['id'];
  	$import->setOverwrite($_POST['overwrite']);
  }
  $import->setCalendarID($id);
  try{
  	$import->import();
  }catch (Exception $e) {
  	OCP\JSON::error(array('message'=>OC_Calendar_App::$l10n->t('Import failed'), 'debug'=>$e->getMessage()));
  	//write some log
  }
  $count = $import->getCount();
  if($count == 0) {
  	if($newcal) {
  		OC_Calendar_Calendar::deleteCalendar($id);
  	}
  	OCP\JSON::error(array('message'=>OC_Calendar_App::$l10n->t('The file contained either no events or all events are already saved in your calendar.')));
  }else{
  	if($newcal) {

  		OCP\JSON::success(array('message'=>$count . ' ' . OC_Calendar_App::$l10n->t('events have been saved in the new calendar') . ' ' .  strip_tags($_POST['calname'])));

  	}else{

  		OCP\JSON::success(array('message'=>$count . ' ' . OC_Calendar_App::$l10n->t('events have been saved in your calendar')));

  	}
  }