<?php

namespace Ratchet\Http;

use Ratchet\WebSocket\WsServerInterface;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\Routing\Matcher\UrlMatcherInterface;

/**
 * @covers Ratchet\Http\Router
 */
class RouterTest extends \PHPUnit_Framework_TestCase
{
    protected $_router;
    protected $_matcher;
    protected $_conn;
    protected $_req;

    public function setUp()
    {
        $queryMock = $this->getMock('Guzzle\Http\QueryString');
        $queryMock
            ->expects($this->any())
            ->method('getAll')
            ->will($this->returnValue(array()));

        $this->_conn = $this->getMock('\Ratchet\ConnectionInterface');
        $this->_req = $this->getMock('\Guzzle\Http\Message\RequestInterface');
        $this->_req
            ->expects($this->any())
            ->method('getQuery')
            ->will($this->returnValue($queryMock));
        $this->_matcher = $this->getMock('Symfony\Component\Routing\Matcher\UrlMatcherInterface');
        $this->_matcher
            ->expects($this->any())
            ->method('getContext')
            ->will($this->returnValue($this->getMock('Symfony\Component\Routing\RequestContext')));
        $this->_router = new Router($this->_matcher);

        $this->_req->expects($this->any())->method('getPath')->will($this->returnValue('/whatever'));
    }

    public function testFourOhFour()
    {
        $this->_conn->expects($this->once())->method('close');

        $nope = new ResourceNotFoundException();
        $this->_matcher->expects($this->any())->method('match')->will($this->throwException($nope));

        $this->_router->onOpen($this->_conn, $this->_req);
    }

    public function testNullRequest()
    {
        $this->setExpectedException('\UnexpectedValueException');
        $this->_router->onOpen($this->_conn);
    }

    public function testControllerIsMessageComponentInterface()
    {
        $this->setExpectedException('\UnexpectedValueException');
        $this->_matcher->expects($this->any())->method('match')->will($this->returnValue(array('_controller' => new \StdClass())));
        $this->_router->onOpen($this->_conn, $this->_req);
    }

    public function testControllerOnOpen()
    {
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        $this->_matcher->expects($this->any())->method('match')->will($this->returnValue(array('_controller' => $controller)));
        $this->_router->onOpen($this->_conn, $this->_req);

        $expectedConn = new \PHPUnit_Framework_Constraint_IsInstanceOf('\Ratchet\ConnectionInterface');
        $controller->expects($this->once())->method('onOpen')->with($expectedConn, $this->_req);

        $this->_matcher->expects($this->any())->method('match')->will($this->returnValue(array('_controller' => $controller)));
        $this->_router->onOpen($this->_conn, $this->_req);
    }

    public function testControllerOnMessageBubbles()
    {
        $message = "The greatest trick the Devil ever pulled was convincing the world he didn't exist";
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        $controller->expects($this->once())->method('onMessage')->with($this->_conn, $message);

        $this->_conn->controller = $controller;

        $this->_router->onMessage($this->_conn, $message);
    }

    public function testControllerOnCloseBubbles()
    {
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        $controller->expects($this->once())->method('onClose')->with($this->_conn);

        $this->_conn->controller = $controller;

        $this->_router->onClose($this->_conn);
    }

    public function testControllerOnErrorBubbles()
    {
        $e = new \Exception('One cannot be betrayed if one has no exceptions');
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        $controller->expects($this->once())->method('onError')->with($this->_conn, $e);

        $this->_conn->controller = $controller;

        $this->_router->onError($this->_conn, $e);
    }

    public function testRouterGeneratesRouteParameters()
    {
        /** @var $controller WsServerInterface */
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        /* @var $matcher UrlMatcherInterface */
        $this->_matcher->expects($this->any())->method('match')->will(
            $this->returnValue(array('_controller' => $controller, 'foo' => 'bar', 'baz' => 'qux'))
        );
        $conn = $this->getMock('Ratchet\Mock\Connection');

        $request = $this->getMock('Guzzle\Http\Message\Request', array('getPath'), array('GET', 'ws://random.url'), '', false);
        $request->expects($this->any())->method('getPath')->will($this->returnValue('ws://doesnt.matter/'));

        $request->setHeaderFactory($this->getMock('Guzzle\Http\Message\Header\HeaderFactoryInterface'));
        $request->setUrl('ws://doesnt.matter/');

        $router = new Router($this->_matcher);

        $router->onOpen($conn, $request);

        $this->assertEquals(array('foo' => 'bar', 'baz' => 'qux'), $request->getQuery()->getAll());
    }

    public function testQueryParams()
    {
        $controller = $this->getMockBuilder('\Ratchet\WebSocket\WsServer')->disableOriginalConstructor()->getMock();
        $this->_matcher->expects($this->any())->method('match')->will(
            $this->returnValue(array('_controller' => $controller, 'foo' => 'bar', 'baz' => 'qux'))
        );

        $conn = $this->getMock('Ratchet\Mock\Connection');
        $request = $this->getMock('Guzzle\Http\Message\Request', array('getPath'), array('GET', ''), '', false);

        $request->setHeaderFactory($this->getMock('Guzzle\Http\Message\Header\HeaderFactoryInterface'));
        $request->setUrl('ws://doesnt.matter?hello=world&foo=nope');

        $router = new Router($this->_matcher);
        $router->onOpen($conn, $request);

        $this->assertEquals(array('foo' => 'nope', 'baz' => 'qux', 'hello' => 'world'), $request->getQuery()->getAll());
    }
}
