<?php

namespace Guzzle\Tests\Service;

use Guzzle\Inflection\Inflector;
use Guzzle\Http\Message\Response;
use Guzzle\Plugin\Mock\MockPlugin;
use Guzzle\Service\Description\Operation;
use Guzzle\Service\Client;
use Guzzle\Service\Exception\CommandTransferException;
use Guzzle\Service\Description\ServiceDescription;
use Guzzle\Tests\Service\Mock\Command\MockCommand;
use Guzzle\Service\Resource\ResourceIteratorClassFactory;
use Guzzle\Service\Command\AbstractCommand;

/**
 * @group server
 * @covers Guzzle\Service\Client
 */
class ClientTest extends \Guzzle\Tests\GuzzleTestCase {

    protected $service;
    protected $serviceTest;

    public function setUp() {
        $this->serviceTest = new ServiceDescription(array(
            'test_command' => new Operation(array(
                'doc' => 'documentationForCommand',
                'method' => 'DELETE',
                'class' => 'Guzzle\\Tests\\Service\\Mock\\Command\\MockCommand',
                'args' => array(
                    'bucket' => array(
                        'required' => true
                    ),
                    'key' => array(
                        'required' => true
                    )
                )
                    ))
        ));

        $this->service = ServiceDescription::factory(__DIR__ . '/../TestData/test_service.json');
    }

    public function testAllowsCustomClientParameters() {
        $client = new Mock\MockClient(null, array(
            Client::COMMAND_PARAMS => array(AbstractCommand::RESPONSE_PROCESSING => 'foo')
        ));
        $command = $client->getCommand('mock_command');
        $this->assertEquals('foo', $command->get(AbstractCommand::RESPONSE_PROCESSING));
    }

    public function testFactoryCreatesClient() {
        $client = Client::factory(array(
                    'base_url' => 'http://www.test.com/',
                    'test' => '123'
        ));

        $this->assertEquals('http://www.test.com/', $client->getBaseUrl());
        $this->assertEquals('123', $client->getConfig('test'));
    }

    public function testFactoryDoesNotRequireBaseUrl() {
        $client = Client::factory();
    }

    public function testDescribesEvents() {
        $this->assertInternalType('array', Client::getAllEvents());
    }

    public function testExecutesCommands() {
        $this->getServer()->flush();
        $this->getServer()->enqueue("HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n");

        $client = new Client($this->getServer()->getUrl());
        $cmd = new MockCommand();
        $client->execute($cmd);

        $this->assertInstanceOf('Guzzle\\Http\\Message\\Response', $cmd->getResponse());
        $this->assertInstanceOf('Guzzle\\Http\\Message\\Response', $cmd->getResult());
        $this->assertEquals(1, count($this->getServer()->getReceivedRequests(false)));
    }

    public function testExecutesCommandsWithArray() {
        $client = new Client('http://www.test.com/');
        $client->getEventDispatcher()->addSubscriber(new MockPlugin(array(
            new Response(200),
            new Response(200)
        )));

        // Create a command set and a command
        $set = array(new MockCommand(), new MockCommand());
        $client->execute($set);

        // Make sure it sent
        $this->assertTrue($set[0]->isExecuted());
        $this->assertTrue($set[1]->isExecuted());
    }

    /**
     * @expectedException Guzzle\Common\Exception\InvalidArgumentException
     */
    public function testThrowsExceptionWhenInvalidCommandIsExecuted() {
        $client = new Client();
        $client->execute(new \stdClass());
    }

    /**
     * @expectedException InvalidArgumentException
     */
    public function testThrowsExceptionWhenMissingCommand() {
        $client = new Client();

        $mock = $this->getMock('Guzzle\\Service\\Command\\Factory\\FactoryInterface');
        $mock->expects($this->any())
                ->method('factory')
                ->with($this->equalTo('test'))
                ->will($this->returnValue(null));

        $client->setCommandFactory($mock);
        $client->getCommand('test');
    }

    public function testCreatesCommandsUsingCommandFactory() {
        $mockCommand = new MockCommand();

        $client = new Mock\MockClient();
        $mock = $this->getMock('Guzzle\\Service\\Command\\Factory\\FactoryInterface');
        $mock->expects($this->any())
                ->method('factory')
                ->with($this->equalTo('foo'))
                ->will($this->returnValue($mockCommand));

        $client->setCommandFactory($mock);

        $command = $client->getCommand('foo', array('acl' => '123'));
        $this->assertSame($mockCommand, $command);
        $command = $client->getCommand('foo', array('acl' => '123'));
        $this->assertSame($mockCommand, $command);
        $this->assertSame($client, $command->getClient());
    }

    public function testOwnsServiceDescription() {
        $client = new Mock\MockClient();
        $this->assertNull($client->getDescription());

        $description = $this->getMock('Guzzle\\Service\\Description\\ServiceDescription');
        $this->assertSame($client, $client->setDescription($description));
        $this->assertSame($description, $client->getDescription());
    }

    public function testOwnsResourceIteratorFactory() {
        $client = new Mock\MockClient();

        $method = new \ReflectionMethod($client, 'getResourceIteratorFactory');
        $method->setAccessible(TRUE);
        $rf1 = $method->invoke($client);

        $rf = $this->readAttribute($client, 'resourceIteratorFactory');
        $this->assertInstanceOf('Guzzle\\Service\\Resource\\ResourceIteratorClassFactory', $rf);
        $this->assertSame($rf1, $rf);

        $rf = new ResourceIteratorClassFactory('Guzzle\Tests\Service\Mock');
        $client->setResourceIteratorFactory($rf);
        $this->assertNotSame($rf1, $rf);
    }

    public function testClientResetsRequestsBeforeExecutingCommands() {
        $this->getServer()->flush();
        $this->getServer()->enqueue(array(
            "HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\nHi",
            "HTTP/1.1 200 OK\r\nContent-Length: 1\r\n\r\nI"
        ));

        $client = new Mock\MockClient($this->getServer()->getUrl());

        $command = $client->getCommand('mock_command');
        $client->execute($command);
        $client->execute($command);
        $this->assertEquals('I', $command->getResponse()->getBody(true));
    }

    public function testClientCreatesIterators() {
        $client = new Mock\MockClient();

        $iterator = $client->getIterator('mock_command', array(
            'foo' => 'bar'
                ), array(
            'limit' => 10
        ));

        $this->assertInstanceOf('Guzzle\Tests\Service\Mock\Model\MockCommandIterator', $iterator);
        $this->assertEquals(10, $this->readAttribute($iterator, 'limit'));

        $command = $this->readAttribute($iterator, 'originalCommand');
        $this->assertEquals('bar', $command->get('foo'));
    }

    public function testClientCreatesIteratorsWithNoOptions() {
        $client = new Mock\MockClient();
        $iterator = $client->getIterator('mock_command');
        $this->assertInstanceOf('Guzzle\Tests\Service\Mock\Model\MockCommandIterator', $iterator);
    }

    public function testClientCreatesIteratorsWithCommands() {
        $client = new Mock\MockClient();
        $command = new MockCommand();
        $iterator = $client->getIterator($command);
        $this->assertInstanceOf('Guzzle\Tests\Service\Mock\Model\MockCommandIterator', $iterator);
        $iteratorCommand = $this->readAttribute($iterator, 'originalCommand');
        $this->assertSame($command, $iteratorCommand);
    }

    public function testClientHoldsInflector() {
        $client = new Mock\MockClient();
        $this->assertInstanceOf('Guzzle\Inflection\MemoizingInflector', $client->getInflector());

        $inflector = new Inflector();
        $client->setInflector($inflector);
        $this->assertSame($inflector, $client->getInflector());
    }

    public function testClientAddsGlobalCommandOptions() {
        $client = new Mock\MockClient('http://www.foo.com', array(
            Client::COMMAND_PARAMS => array(
                'mesa' => 'bar'
            )
        ));
        $command = $client->getCommand('mock_command');
        $this->assertEquals('bar', $command->get('mesa'));
    }

    public function testSupportsServiceDescriptionBaseUrls() {
        $description = new ServiceDescription(array('baseUrl' => 'http://foo.com'));
        $client = new Client();
        $client->setDescription($description);
        $this->assertEquals('http://foo.com', $client->getBaseUrl());
    }

    public function testMergesDefaultCommandParamsCorrectly() {
        $client = new Mock\MockClient('http://www.foo.com', array(
            Client::COMMAND_PARAMS => array(
                'mesa' => 'bar',
                'jar' => 'jar'
            )
        ));
        $command = $client->getCommand('mock_command', array('jar' => 'test'));
        $this->assertEquals('bar', $command->get('mesa'));
        $this->assertEquals('test', $command->get('jar'));
    }

    /**
     * @expectedException \Guzzle\Http\Exception\BadResponseException
     */
    public function testWrapsSingleCommandExceptions() {
        $client = new Mock\MockClient('http://foobaz.com');
        $mock = new MockPlugin(array(new Response(401)));
        $client->addSubscriber($mock);
        $client->execute(new MockCommand());
    }

    public function testWrapsMultipleCommandExceptions() {
        $client = new Mock\MockClient('http://foobaz.com');
        $mock = new MockPlugin(array(new Response(200), new Response(200), new Response(404), new Response(500)));
        $client->addSubscriber($mock);

        $cmds = array(new MockCommand(), new MockCommand(), new MockCommand(), new MockCommand());
        try {
            $client->execute($cmds);
        } catch (CommandTransferException $e) {
            $this->assertEquals(2, count($e->getFailedRequests()));
            $this->assertEquals(2, count($e->getSuccessfulRequests()));
            $this->assertEquals(2, count($e->getFailedCommands()));
            $this->assertEquals(2, count($e->getSuccessfulCommands()));

            foreach ($e->getSuccessfulCommands() as $c) {
                $this->assertTrue($c->getResponse()->isSuccessful());
            }

            foreach ($e->getFailedCommands() as $c) {
                $this->assertFalse($c->getRequest()->getResponse()->isSuccessful());
            }
        }
    }

    public function testGetCommandAfterTwoSetDescriptions() {
        $service1 = ServiceDescription::factory(__DIR__ . '/../TestData/test_service.json');
        $service2 = ServiceDescription::factory(__DIR__ . '/../TestData/test_service_3.json');

        $client = new Mock\MockClient();

        $client->setDescription($service1);
        $client->getCommand('foo_bar');
        $client->setDescription($service2);
        $client->getCommand('baz_qux');
    }

}
