<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\EventBundle\Tests\Controller;

use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
use function count;
use function in_array;

/**
 * Test the creation of participation controller.
 *
 * @internal
 * @coversNothing
 */
final class ParticipationControllerTest extends WebTestCase
{
    /**
     * @var \Symfony\Component\BrowserKit\Client
     */
    protected $client;

    /**
     * @var \Doctrine\ORM\EntityManagerInterface
     */
    protected $em;

    /**
     * Keep a cache for each person id given by the function getRandomPerson.
     *
     * You may ask to ignore some people by adding their id to the array.
     *
     * This is reset by setUp().
     *
     * @var int[]
     */
    private $personsIdsCache = [];

    protected function setUp(): void
    {
        self::bootKernel();

        $this->client = self::createClient([], [
            'PHP_AUTH_USER' => 'center a_social',
            'PHP_AUTH_PW' => 'password',
            'HTTP_ACCEPT_LANGUAGE' => 'fr_FR',
        ]);

        $container = self::$kernel->getContainer();

        $this->em = $container->get('doctrine.orm.entity_manager');

        $this->personsIdsCache = [];
    }

    /**
     * This method test participation creation with wrong parameters.
     *
     * Those request should fail before any processing.
     */
    public function testCreateActionWrongParameters()
    {
        $event = $this->getRandomEvent();
        $person = $this->getRandomPerson();

        // missing person_id or persons_ids
        $this->client->request(
            'GET',
            '/fr/event/participation/create',
            [
                'event_id' => $event->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/create fail if '
                . 'both person_id and persons_ids are missing'
        );

        // having both person_id and persons_ids
        $this->client->request(
            'GET',
            '/fr/event/participation/create',
            [
                'event_id' => $event->getId(),
                'persons_ids' => implode(',', [
                    $this->getRandomPerson()->getId(),
                    $this->getRandomPerson()->getId(),
                ]),
                'person_id' => $person->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/create fail if both person_id and '
                . 'persons_ids are set'
        );

        // missing event_id
        $this->client->request(
            'GET',
            '/fr/event/participation/create',
            [
                'person_id' => $person->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/create fails if event_id is missing'
        );

        // persons_ids with wrong content
        $this->client->request(
            'GET',
            '/fr/event/participation/create',
            [
                'persons_ids' => 'a,b,531',
                'event_id' => $event->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/create fails if persons_ids has wrong content'
        );
    }

    public function testEditMultipleAction()
    {
        /** @var \Chill\EventBundle\Entity\Event $event */
        $event = $this->getRandomEventWithMultipleParticipations();

        $crawler = $this->client->request('GET', '/fr/event/participation/' . $event->getId() .
                '/edit_multiple');

        $this->assertEquals(200, $this->client->getResponse()->getStatusCode());

        $button = $crawler->selectButton('Mettre à jour');
        $this->assertEquals(1, $button->count(), "test the form with button 'mettre à jour' exists ");

        $this->client->submit($button->form(), [
            'form[participations][0][role]' => $event->getType()->getRoles()->first()->getId(),
            'form[participations][0][status]' => $event->getType()->getStatuses()->first()->getId(),
            'form[participations][1][role]' => $event->getType()->getRoles()->last()->getId(),
            'form[participations][1][status]' => $event->getType()->getStatuses()->last()->getId(),
        ]);

        $this->assertTrue($this->client->getResponse()
            ->isRedirect('/fr/event/event/' . $event->getId() . '/show'));
    }

    public function testNewActionWrongParameters()
    {
        $event = $this->getRandomEvent();
        $person = $this->getRandomPerson();

        // missing person_id or persons_ids
        $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'event_id' => $event->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/new fail if '
                . 'both person_id and persons_ids are missing'
        );

        // having both person_id and persons_ids
        $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'event_id' => $event->getId(),
                'persons_ids' => implode(',', [
                    $this->getRandomPerson()->getId(),
                    $this->getRandomPerson()->getId(),
                ]),
                'person_id' => $person->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/new fail if both person_id and '
                . 'persons_ids are set'
        );

        // missing event_id
        $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'person_id' => $person->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/new fails if event_id is missing'
        );

        // persons_ids with wrong content
        $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'persons_ids' => 'a,b,531',
                'event_id' => $event->getId(),
            ]
        );
        $this->assertEquals(
            400,
            $this->client->getResponse()->getStatusCode(),
            'Test that /fr/event/participation/new fails if persons_ids has wrong content'
        );
    }

    public function testNewMultipleAction()
    {
        $event = $this->getRandomEvent();
        // record the number of participation for the event (used later in this test)
        $nbParticipations = $event->getParticipations()->count();
        // make ignore the people already in the event from the function getRandomPerson
        $this->personsIdsCache = array_merge(
            $this->personsIdsCache,
            $event->getParticipations()->map(
                static function ($p) {
                    return $p->getPerson()->getId();
                }
            )
                ->toArray()
        );
        // get some random people
        $person1 = $this->getRandomPerson();
        $person2 = $this->getRandomPerson();

        $crawler = $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'persons_ids' => implode(',', [$person1->getId(), $person2->getId()]),
                'event_id' => $event->getId(),
            ]
        );

        $this->assertEquals(
            200,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/new is successful'
        );

        $button = $crawler->selectButton('Créer');

        $this->assertNotNull($button, "test the form with button 'Créer' exists");

        $this->client->submit($button->form(), [
            'form' => [
                'participations' => [
                    0 => [
                        'role' => $event->getType()->getRoles()->first()->getId(),
                        'status' => $event->getType()->getStatuses()->first()->getId(),
                    ],
                    1 => [
                        'role' => $event->getType()->getRoles()->first()->getId(),
                        'status' => $event->getType()->getStatuses()->first()->getId(),
                    ],
                ],
            ],
        ]);

        $this->assertTrue($this->client->getResponse()->isRedirect());
        $crawler = $this->client->followRedirect();

        $span1 = $crawler->filter('table td span.entity-person a:contains("'
                . $person1->getFirstName() . '"):contains("' . $person1->getLastname() . '")');
        $this->assertGreaterThan(0, count($span1));
        $span2 = $crawler->filter('table td span.entity-person a:contains("'
                . $person2->getFirstName() . '"):contains("' . $person2->getLastname() . '")');
        $this->assertGreaterThan(0, count($span2));

        // as the container has reloaded, reload the event
        $event = $this->em->getRepository(\Chill\EventBundle\Entity\Event::class)->find($event->getId());
        $this->em->refresh($event);

        $this->assertEquals($nbParticipations + 2, $event->getParticipations()->count());
    }

    public function testNewMultipleWithAllPeopleParticipating()
    {
        $event = $this->getRandomEventWithMultipleParticipations();

        $persons_id = implode(',', $event->getParticipations()->map(
            static function ($p) {
                return $p->getPerson()->getId();
            }
        )->toArray());

        $crawler = $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'persons_ids' => $persons_id,
                'event_id' => $event->getId(),
            ]
        );

        $this->assertEquals(
            302,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/new is redirecting'
        );
    }

    public function testNewMultipleWithSomePeopleParticipating()
    {
        $event = $this->getRandomEventWithMultipleParticipations();
        // record the number of participation for the event (used later in this test)
        $nbParticipations = $event->getParticipations()->count();
        // get the persons_id participating on this event
        $persons_id = $event->getParticipations()->map(
            static function ($p) {
                return $p->getPerson()->getId();
            }
        )->toArray();
        // exclude the existing persons_ids from the new person
        $this->personsIdsCache = array_merge($this->personsIdsCache, $persons_id);

        // get a random person
        $newPerson = $this->getRandomPerson();

        // build the `persons_ids` parameter
        $persons_ids_string = implode(',', array_merge(
            $persons_id,
            [$newPerson->getId()]
        ));

        $crawler = $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'persons_ids' => $persons_ids_string,
                'event_id' => $event->getId(),
            ]
        );

        $this->assertEquals(
            200,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/new is successful'
        );

        // count that the one UL contains the new person string
        $firstPerson = $event->getParticipations()->first()->getPerson();
        $ul = $crawler->filter('ul:contains("' . $firstPerson->getLastName() . '")'
                . ':contains("' . $firstPerson->getFirstName() . '")');

        $this->assertEquals(
            1,
            $ul->count(),
            'assert an ul containing the name of ignored people is present'
        );
        $this->assertEquals(
            $event->getParticipations()->count(),
            $ul->children()->count(),
            'assert the li listing ignored people has the correct number'
        );

        // test a form is present on the page
        $button = $crawler->selectButton('Créer');

        $this->assertNotNull($button, "test the form with button 'Créer' exists");

        // submit the form
        $this->client->submit($button->form(), [
            'participation[role]' => $event->getType()->getRoles()->first()->getId(),
            'participation[status]' => $event->getType()->getStatuses()->first()->getId(),
        ]);

        $this->assertTrue($this->client->getResponse()->isRedirect());

        // reload the event and test there is a new participation
        $event = $this->em->getRepository(\Chill\EventBundle\Entity\Event::class)
            ->find($event->getId());
        $this->em->refresh($event);

        $this->assertEquals(
            $nbParticipations + 1,
            $event->getParticipations()->count(),
            'Test we have persisted a new participation associated to the test'
        );
    }

    public function testNewSingleAction()
    {
        $event = $this->getRandomEvent();
        // record the number of participation for the event
        $nbParticipations = $event->getParticipations()->count();
        $person = $this->getRandomPerson();

        $crawler = $this->client->request(
            'GET',
            '/fr/event/participation/new',
            [
                'person_id' => $person->getId(),
                'event_id' => $event->getId(),
            ]
        );

        $this->assertEquals(
            200,
            $this->client->getResponse()->getStatusCode(),
            'test that /fr/event/participation/new is successful'
        );

        $button = $crawler->selectButton('Créer');

        $this->assertNotNull($button, "test the form with button 'Créer' exists");

        $this->client->submit($button->form(), [
            'participation[role]' => $event->getType()->getRoles()->first()->getId(),
            'participation[status]' => $event->getType()->getStatuses()->first()->getId(),
        ]);

        $this->assertTrue($this->client->getResponse()->isRedirect());
        $crawler = $this->client->followRedirect();

        $span = $crawler->filter('table td span.entity-person a:contains("'
                . $person->getFirstName() . '"):contains("' . $person->getLastname() . '")');

        $this->assertGreaterThan(0, count($span));

        // as the container has reloaded, reload the event
        $event = $this->em->getRepository(\Chill\EventBundle\Entity\Event::class)->find($event->getId());
        $this->em->refresh($event);

        $this->assertEquals($nbParticipations + 1, $event->getParticipations()->count());
    }

    /**
     * @param mixed $centerName
     * @param mixed $circleName
     *
     * @return \Chill\EventBundle\Entity\Event
     */
    protected function getRandomEvent($centerName = 'Center A', $circleName = 'social')
    {
        $center = $this->em->getRepository(\Chill\MainBundle\Entity\Center::class)
            ->findByName($centerName);

        $circles = $this->em->getRepository(\Chill\MainBundle\Entity\Scope::class)
            ->findAll();
        array_filter($circles, static function ($circle) use ($circleName) {
            return in_array($circleName, $circle->getName(), true);
        });
        $circle = $circles[0];

        $events = $this->em->getRepository(\Chill\EventBundle\Entity\Event::class)
            ->findBy(['center' => $center, 'circle' => $circle]);

        return $events[array_rand($events)];
    }

    /**
     * Return a random event only if he has more than one participation.
     *
     * @param string $centerName
     * @param type $circleName
     *
     * @return \Chill\EventBundle\Entity\Event
     */
    protected function getRandomEventWithMultipleParticipations(
        $centerName = 'Center A',
        $circleName = 'social'
    ) {
        $event = $this->getRandomEvent($centerName, $circleName);

        return $event->getParticipations()->count() > 1 ?
                $event :
                $this->getRandomEventWithMultipleParticipations($centerName, $circleName);
    }

    /**
     * Returns a person randomly.
     *
     * This function does not give the same person twice
     * for each test.
     *
     * You may ask to ignore some people by adding their id to the property
     * `$this->personsIdsCache`
     *
     * @param string $centerName
     *
     * @return \Chill\PersonBundle\Entity\Person
     */
    protected function getRandomPerson($centerName = 'Center A')
    {
        $center = $this->em->getRepository(\Chill\MainBundle\Entity\Center::class)
            ->findByName($centerName);

        $persons = $this->em->getRepository(\Chill\PersonBundle\Entity\Person::class)
            ->findBy(['center' => $center]);

        $person = $persons[array_rand($persons)];

        if (in_array($person->getId(), $this->personsIdsCache, true)) {
            return $this->getRandomPerson($centerName); // we try another time
        }
        $this->personsIdsCache[] = $person->getId();

        return $person;
    }
}