<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Form\Tests;

use Symfony\Component\Form\Form;
use Symfony\Component\Form\FormView;
use Symfony\Component\Form\FormError;
use Symfony\Component\Form\Extension\Core\EventListener\BindRequestListener;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\Form\Tests\Fixtures\FixedDataTransformer;

class CompoundFormTest extends AbstractFormTest
{
    public function testValidIfAllChildrenAreValid()
    {
        $this->form->add($this->getValidForm('firstName'));
        $this->form->add($this->getValidForm('lastName'));

        $this->form->bind(array(
            'firstName' => 'Bernhard',
            'lastName' => 'Schussek',
        ));

        $this->assertTrue($this->form->isValid());
    }

    public function testInvalidIfChildrenIsInvalid()
    {
        $this->form->add($this->getValidForm('firstName'));
        $this->form->add($this->getInvalidForm('lastName'));

        $this->form->bind(array(
            'firstName' => 'Bernhard',
            'lastName' => 'Schussek',
        ));

        $this->assertFalse($this->form->isValid());
    }

    public function testBindForwardsNullIfValueIsMissing()
    {
        $child = $this->getMockForm('firstName');

        $this->form->add($child);

        $child->expects($this->once())
            ->method('bind')
            ->with($this->equalTo(null));

        $this->form->bind(array());
    }

    public function testCloneChildren()
    {
        $child = $this->getBuilder('child')->getForm();
        $this->form->add($child);

        $clone = clone $this->form;

        $this->assertNotSame($this->form, $clone);
        $this->assertNotSame($child, $clone['child']);
    }

    public function testNotEmptyIfChildNotEmpty()
    {
        $child = $this->getMockForm();
        $child->expects($this->once())
            ->method('isEmpty')
            ->will($this->returnValue(false));

        $this->form->setData(null);
        $this->form->add($child);

        $this->assertFalse($this->form->isEmpty());
    }

    public function testValidIfBoundAndDisabledWithChildren()
    {
        $this->factory->expects($this->once())
            ->method('createNamedBuilder')
            ->with('name', 'text', null, array())
            ->will($this->returnValue($this->getBuilder('name')));

        $form = $this->getBuilder('person')
            ->setDisabled(true)
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->add('name', 'text')
            ->getForm();
        $form->bind(array('name' => 'Jacques Doe'));

        $this->assertTrue($form->isValid());
    }

    public function testNotValidIfChildNotValid()
    {
        $child = $this->getMockForm();
        $child->expects($this->once())
            ->method('isValid')
            ->will($this->returnValue(false));

        $this->form->add($child);
        $this->form->bind(array());

        $this->assertFalse($this->form->isValid());
    }

    public function testHasChildren()
    {
        $this->form->add($this->getBuilder()->getForm());

        $this->assertTrue($this->form->hasChildren());
    }

    public function testHasNoChildren()
    {
        $this->assertFalse($this->form->hasChildren());
    }

    public function testAdd()
    {
        $child = $this->getBuilder('foo')->getForm();
        $this->form->add($child);

        $this->assertSame($this->form, $child->getParent());
        $this->assertSame(array('foo' => $child), $this->form->all());
    }

    /**
     * @expectedException Symfony\Component\Form\Exception\AlreadyBoundException
     */
    public function testAddThrowsExceptionIfAlreadyBound()
    {
        $this->form->bind(array());
        $this->form->add($this->getBuilder('foo')->getForm());
    }

    public function testRemove()
    {
        $child = $this->getBuilder('foo')->getForm();
        $this->form->add($child);
        $this->form->remove('foo');

        $this->assertNull($child->getParent());
        $this->assertFalse($this->form->hasChildren());
    }

    /**
     * @expectedException Symfony\Component\Form\Exception\AlreadyBoundException
     */
    public function testRemoveThrowsExceptionIfAlreadyBound()
    {
        $this->form->add($this->getBuilder('foo')->setCompound(false)->getForm());
        $this->form->bind(array('foo' => 'bar'));
        $this->form->remove('foo');
    }

    public function testRemoveIgnoresUnknownName()
    {
        $this->form->remove('notexisting');
    }

    public function testArrayAccess()
    {
        $child = $this->getBuilder('foo')->getForm();

        $this->form[] = $child;

        $this->assertTrue(isset($this->form['foo']));
        $this->assertSame($child, $this->form['foo']);

        unset($this->form['foo']);

        $this->assertFalse(isset($this->form['foo']));
    }

    public function testCountable()
    {
        $this->form->add($this->getBuilder('foo')->getForm());
        $this->form->add($this->getBuilder('bar')->getForm());

        $this->assertCount(2, $this->form);
    }

    public function testIterator()
    {
        $this->form->add($this->getBuilder('foo')->getForm());
        $this->form->add($this->getBuilder('bar')->getForm());

        $this->assertSame($this->form->all(), iterator_to_array($this->form));
    }

    public function testAddMapsViewDataToForm()
    {
        $mapper = $this->getDataMapper();
        $form = $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($mapper)
            ->addViewTransformer(new FixedDataTransformer(array(
                '' => '',
                'foo' => 'bar',
            )))
            ->setData('foo')
            ->getForm();

        $child = $this->getBuilder()->getForm();
        $mapper->expects($this->once())
            ->method('mapDataToForms')
            ->with('bar', array($child));

        $form->add($child);
    }

    public function testSetDataMapsViewDataToChildren()
    {
        $mapper = $this->getDataMapper();
        $form = $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($mapper)
            ->addViewTransformer(new FixedDataTransformer(array(
                '' => '',
                'foo' => 'bar',
            )))
            ->getForm();

        $form->add($child1 = $this->getBuilder('firstName')->getForm());
        $form->add($child2 = $this->getBuilder('lastName')->getForm());

        $mapper->expects($this->once())
            ->method('mapDataToForms')
            ->with('bar', array('firstName' => $child1, 'lastName' => $child2));

        $form->setData('foo');
    }

    public function testBindMapsBoundChildrenOntoExistingViewData()
    {
        $test = $this;
        $mapper = $this->getDataMapper();
        $form = $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($mapper)
            ->addViewTransformer(new FixedDataTransformer(array(
                '' => '',
                'foo' => 'bar',
            )))
            ->setData('foo')
            ->getForm();

        $form->add($child1 = $this->getBuilder('firstName')->setCompound(false)->getForm());
        $form->add($child2 = $this->getBuilder('lastName')->setCompound(false)->getForm());

        $mapper->expects($this->once())
            ->method('mapFormsToData')
            ->with(array('firstName' => $child1, 'lastName' => $child2), 'bar')
            ->will($this->returnCallback(function ($children, $bar) use ($test) {
                $test->assertEquals('Bernhard', $children['firstName']->getData());
                $test->assertEquals('Schussek', $children['lastName']->getData());
            }));

        $form->bind(array(
            'firstName' => 'Bernhard',
            'lastName' => 'Schussek',
        ));
    }

    /*
     * https://github.com/symfony/symfony/issues/4480
     */
    public function testBindRestoresViewDataIfCompoundAndEmpty()
    {
        $mapper = $this->getDataMapper();
        $object = new \stdClass();
        $form = $this->getBuilder('name', null, 'stdClass')
            ->setCompound(true)
            ->setDataMapper($mapper)
            ->setData($object)
            ->getForm();

        $form->bind(array());

        $this->assertSame($object, $form->getData());
    }

    public function testBindMapsBoundChildrenOntoEmptyData()
    {
        $mapper = $this->getDataMapper();
        $object = new \stdClass();
        $form = $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($mapper)
            ->setEmptyData($object)
            ->setData(null)
            ->getForm();

        $form->add($child = $this->getBuilder('name')->setCompound(false)->getForm());

        $mapper->expects($this->once())
            ->method('mapFormsToData')
            ->with(array('name' => $child), $object);

        $form->bind(array(
            'name' => 'Bernhard',
        ));
    }

    public function requestMethodProvider()
    {
        return array(
            array('POST'),
            array('PUT'),
            array('DELETE'),
            array('PATCH'),
        );
    }

    /**
     * @dataProvider requestMethodProvider
     */
    public function testBindPostOrPutRequest($method)
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $path = tempnam(sys_get_temp_dir(), 'sf2');
        touch($path);

        $values = array(
            'author' => array(
                'name' => 'Bernhard',
                'image' => array('filename' => 'foobar.png'),
            ),
        );

        $files = array(
            'author' => array(
                'error' => array('image' => UPLOAD_ERR_OK),
                'name' => array('image' => 'upload.png'),
                'size' => array('image' => 123),
                'tmp_name' => array('image' => $path),
                'type' => array('image' => 'image/png'),
            ),
        );

        $request = new Request(array(), $values, array(), array(), $files, array(
            'REQUEST_METHOD' => $method,
        ));

        $form = $this->getBuilder('author')
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();
        $form->add($this->getBuilder('name')->getForm());
        $form->add($this->getBuilder('image')->getForm());

        $form->bindRequest($request);

        $file = new UploadedFile($path, 'upload.png', 'image/png', 123, UPLOAD_ERR_OK);

        $this->assertEquals('Bernhard', $form['name']->getData());
        $this->assertEquals($file, $form['image']->getData());

        unlink($path);
    }

    /**
     * @dataProvider requestMethodProvider
     */
    public function testBindPostOrPutRequestWithEmptyRootFormName($method)
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $path = tempnam(sys_get_temp_dir(), 'sf2');
        touch($path);

        $values = array(
            'name' => 'Bernhard',
            'extra' => 'data',
        );

        $files = array(
            'image' => array(
                'error' => UPLOAD_ERR_OK,
                'name' => 'upload.png',
                'size' => 123,
                'tmp_name' => $path,
                'type' => 'image/png',
            ),
        );

        $request = new Request(array(), $values, array(), array(), $files, array(
            'REQUEST_METHOD' => $method,
        ));

        $form = $this->getBuilder('')
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();
        $form->add($this->getBuilder('name')->getForm());
        $form->add($this->getBuilder('image')->getForm());

        $form->bindRequest($request);

        $file = new UploadedFile($path, 'upload.png', 'image/png', 123, UPLOAD_ERR_OK);

        $this->assertEquals('Bernhard', $form['name']->getData());
        $this->assertEquals($file, $form['image']->getData());
        $this->assertEquals(array('extra' => 'data'), $form->getExtraData());

        unlink($path);
    }

    /**
     * @dataProvider requestMethodProvider
     */
    public function testBindPostOrPutRequestWithSingleChildForm($method)
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $path = tempnam(sys_get_temp_dir(), 'sf2');
        touch($path);

        $files = array(
            'image' => array(
                'error' => UPLOAD_ERR_OK,
                'name' => 'upload.png',
                'size' => 123,
                'tmp_name' => $path,
                'type' => 'image/png',
            ),
        );

        $request = new Request(array(), array(), array(), array(), $files, array(
            'REQUEST_METHOD' => $method,
        ));

        $form = $this->getBuilder('image')
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();

        $form->bindRequest($request);

        $file = new UploadedFile($path, 'upload.png', 'image/png', 123, UPLOAD_ERR_OK);

        $this->assertEquals($file, $form->getData());

        unlink($path);
    }

    /**
     * @dataProvider requestMethodProvider
     */
    public function testBindPostOrPutRequestWithSingleChildFormUploadedFile($method)
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $path = tempnam(sys_get_temp_dir(), 'sf2');
        touch($path);

        $values = array(
            'name' => 'Bernhard',
        );

        $request = new Request(array(), $values, array(), array(), array(), array(
            'REQUEST_METHOD' => $method,
        ));

        $form = $this->getBuilder('name')
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();

        $form->bindRequest($request);

        $this->assertEquals('Bernhard', $form->getData());

        unlink($path);
    }

    public function testBindGetRequest()
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $values = array(
            'author' => array(
                'firstName' => 'Bernhard',
                'lastName' => 'Schussek',
            ),
        );

        $request = new Request($values, array(), array(), array(), array(), array(
            'REQUEST_METHOD' => 'GET',
        ));

        $form = $this->getBuilder('author')
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();
        $form->add($this->getBuilder('firstName')->getForm());
        $form->add($this->getBuilder('lastName')->getForm());

        $form->bindRequest($request);

        $this->assertEquals('Bernhard', $form['firstName']->getData());
        $this->assertEquals('Schussek', $form['lastName']->getData());
    }

    public function testBindGetRequestWithEmptyRootFormName()
    {
        if (!class_exists('Symfony\Component\HttpFoundation\Request')) {
            $this->markTestSkipped('The "HttpFoundation" component is not available');
        }

        $values = array(
            'firstName' => 'Bernhard',
            'lastName' => 'Schussek',
            'extra' => 'data'
        );

        $request = new Request($values, array(), array(), array(), array(), array(
            'REQUEST_METHOD' => 'GET',
        ));

        $form = $this->getBuilder('')
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->addEventSubscriber(new BindRequestListener())
            ->getForm();
        $form->add($this->getBuilder('firstName')->getForm());
        $form->add($this->getBuilder('lastName')->getForm());

        $form->bindRequest($request);

        $this->assertEquals('Bernhard', $form['firstName']->getData());
        $this->assertEquals('Schussek', $form['lastName']->getData());
        $this->assertEquals(array('extra' => 'data'), $form->getExtraData());
    }

    public function testGetErrorsAsStringDeep()
    {
        $parent = $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->getForm();

        $this->form->addError(new FormError('Error!'));

        $parent->add($this->form);
        $parent->add($this->getBuilder('foo')->getForm());

        $this->assertEquals("name:\n    ERROR: Error!\nfoo:\n    No errors\n", $parent->getErrorsAsString());
    }

    protected function createForm()
    {
        return $this->getBuilder()
            ->setCompound(true)
            ->setDataMapper($this->getDataMapper())
            ->getForm();
    }
}