<?php

namespace Sabre\CalDAV;

use Sabre\DAV;
use Sabre\DAVACL;
use Sabre\HTTP;

require_once 'Sabre/CalDAV/Backend/Mock.php';
require_once 'Sabre/HTTP/ResponseMock.php';

class FreeBusyReportTest extends \PHPUnit_Framework_TestCase {

    /**
     * @var Sabre\CalDAV\Plugin
     */
    protected $plugin;
    /**
     * @var Sabre\DAV\Server
     */
    protected $server;

    function setUp() {

        $obj1 = <<<ics
BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART:20111005T120000Z
DURATION:PT1H
END:VEVENT
END:VCALENDAR
ics;

        $obj2 = fopen('php://memory','r+');
        fwrite($obj2,<<<ics
BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART:20121005T120000Z
DURATION:PT1H
END:VEVENT
END:VCALENDAR
ics
        );
        rewind($obj2);

        $obj3 = <<<ics
BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART:20111006T120000
DURATION:PT1H
END:VEVENT
END:VCALENDAR
ics;

        $calendarData = [
            1 => [
                'obj1' => [
                    'calendarid' => 1,
                    'uri' => 'event1.ics',
                    'calendardata' => $obj1,
                ],
                'obj2' => [
                    'calendarid' => 1,
                    'uri' => 'event2.ics',
                    'calendardata' => $obj2
                ],
                'obj3' => [
                    'calendarid' => 1,
                    'uri' => 'event3.ics',
                    'calendardata' => $obj3
                ]
            ],
        ];


        $caldavBackend = new Backend\Mock([], $calendarData);

        $calendar = new Calendar($caldavBackend, [
            'id' => 1,
            'uri' => 'calendar',
            'principaluri' => 'principals/user1',
            '{' . Plugin::NS_CALDAV . '}calendar-timezone' => "BEGIN:VCALENDAR\r\nBEGIN:VTIMEZONE\r\nTZID:Europe/Berlin\r\nEND:VTIMEZONE\r\nEND:VCALENDAR",
        ]);

        $this->server = new DAV\Server([$calendar]);

        $request = HTTP\Sapi::createFromServerArray([
            'REQUEST_URI' => '/calendar',
        ]);
        $this->server->httpRequest = $request;
        $this->server->httpResponse = new HTTP\ResponseMock();

        $this->plugin = new Plugin();
        $this->server->addPlugin($this->plugin);

    }

    function testFreeBusyReport() {

        $reportXML = <<<XML
<?xml version="1.0"?>
<c:free-busy-query xmlns:c="urn:ietf:params:xml:ns:caldav">
    <c:time-range start="20111001T000000Z" end="20111101T000000Z" />
</c:free-busy-query>
XML;

        $report = $this->server->xml->parse($reportXML, null, $rootElem);
        $this->plugin->report($rootElem, $report);

        $this->assertEquals(200, $this->server->httpResponse->status);
        $this->assertEquals('text/calendar', $this->server->httpResponse->getHeader('Content-Type'));
        $this->assertTrue(strpos($this->server->httpResponse->body, 'BEGIN:VFREEBUSY')!==false);
        $this->assertTrue(strpos($this->server->httpResponse->body, '20111005T120000Z/20111005T130000Z')!==false);
        $this->assertTrue(strpos($this->server->httpResponse->body, '20111006T100000Z/20111006T110000Z')!==false);

    }

    /**
     * @expectedException Sabre\DAV\Exception\BadRequest
     */
    function testFreeBusyReportNoTimeRange() {

        $reportXML = <<<XML
<?xml version="1.0"?>
<c:free-busy-query xmlns:c="urn:ietf:params:xml:ns:caldav">
</c:free-busy-query>
XML;

        $report = $this->server->xml->parse($reportXML, null, $rootElem);
        $this->plugin->report($rootElem, $report);

    }

    /**
     * @expectedException Sabre\DAV\Exception\NotImplemented
     */
    function testFreeBusyReportWrongNode() {

        $request = HTTP\Sapi::createFromServerArray(array(
            'REQUEST_URI' => '/',
        ));
        $this->server->httpRequest = $request;

        $reportXML = <<<XML
<?xml version="1.0"?>
<c:free-busy-query xmlns:c="urn:ietf:params:xml:ns:caldav">
    <c:time-range start="20111001T000000Z" end="20111101T000000Z" />
</c:free-busy-query>
XML;

        $report = $this->server->xml->parse($reportXML, null, $rootElem);
        $this->plugin->report($rootElem, $report);

    }

    /**
     * @expectedException Sabre\DAV\Exception
     */
    function testFreeBusyReportNoACLPlugin() {

        $this->server = new DAV\Server();
        $this->plugin = new Plugin();
        $this->server->addPlugin($this->plugin);

        $reportXML = <<<XML
<?xml version="1.0"?>
<c:free-busy-query xmlns:c="urn:ietf:params:xml:ns:caldav">
    <c:time-range start="20111001T000000Z" end="20111101T000000Z" />
</c:free-busy-query>
XML;

        $report = $this->server->xml->parse($reportXML, null, $rootElem);
        $this->plugin->report($rootElem, $report);

    }
}
