<?php

/*
 * Chill is a software for social workers
 * 
 * Copyright (C) 2014-2015, Champs Libres Cooperative SCRLFS, 
 * <http://www.champs-libres.coop>, <info@champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Chill\PersonBundle\Tests\Controller;


use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
use Chill\PersonBundle\Entity\AccompanyingPeriod;
use Chill\PersonBundle\Entity\AccompanyingPeriodParticipation;
use Chill\PersonBundle\Entity\Person;
use Chill\ThirdPartyBundle\Entity\ThirdParty;
use Chill\MainBundle\Entity\User;
use Chill\MainBundle\Entity\Center;
use Doctrine\Common\Collections\Criteria;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * Test api for AccompanyingCourseControllerTest
 */
class AccompanyingCourseApiControllerTest extends WebTestCase
{
    protected static EntityManagerInterface $em;

    /**
     * Setup before the first test of this class (see phpunit doc)
     */
    public static function setUpBeforeClass()
    {
        static::bootKernel();
    }
    
    /**
     * Setup before each test method (see phpunit doc)
     */
    public function setUp()
    {
        $this->client = static::createClient(array(), array(
           'PHP_AUTH_USER' => 'center a_social',
           'PHP_AUTH_PW'   => 'password',
        ));
    }

    /**
     *
     * @dataProvider dataGenerateRandomAccompanyingCourse
     */
    public function testAccompanyingCourseShow(int $personId, AccompanyingPeriod $period)
    {
        $c = $this->client->request(Request::METHOD_GET, sprintf('/api/1.0/person/accompanying-course/%d.json', $period->getId()));
        $response = $this->client->getResponse();

        $this->assertEquals(200, $response->getStatusCode(), "Test that the response of rest api has a status code ok (200)");
        
        $data = \json_decode($response->getContent());
        $this->assertEquals($data->id, $period->getId(),
            "test that the response's data contains the id of the period"
        ); 
        $this->assertGreaterThan(0, $data->participations);
    }

    public function testShow404()
    {
        $this->client->request(Request::METHOD_GET, sprintf('/api/1.0/person/accompanying-course/%d.json', 99999));
        $response = $this->client->getResponse();

        $this->assertEquals(404, $response->getStatusCode(), "Test that the response of rest api has a status code 'not found' (404)");
    }

    /**
     * @dataProvider dataGenerateRandomRequestorValidData
     */
    public function testRequestorWithValidData(AccompanyingPeriod $period, $personId, $thirdPartyId)
    {
        $em = self::$container->get(EntityManagerInterface::class);

        // post a person
        $this->client->request(
            Request::METHOD_POST,
            sprintf('/api/1.0/person/accompanying-course/%d/requestor.json', $period->getId()),
            [], // parameters
            [], // files
            [], // server parameters
            \json_encode([ 'type' => 'person', 'id' => $personId ])
        );
        $response = $this->client->getResponse();
        $data = \json_decode($response->getContent(), true);

        $this->assertEquals(200, $response->getStatusCode());
        $this->assertArrayHasKey('id', $data);
        $this->assertEquals($personId, $data['id']);

        // check into database
        $period = $em->getRepository(AccompanyingPeriod::class)
            ->find($period->getId());
        $this->assertInstanceOf(Person::class, $period->getRequestor());
        $this->assertEquals($personId, $period->getRequestor()->getId());

       // post a third party 
        $this->client->request(
            Request::METHOD_POST,
            sprintf('/api/1.0/person/accompanying-course/%d/requestor.json', $period->getId()),
            [], // parameters
            [], // files
            [], // server parameters
            \json_encode([ 'type' => 'thirdparty', 'id' => $thirdPartyId ])
        );
        $response = $this->client->getResponse();
        $data = \json_decode($response->getContent(), true);

        $this->assertEquals(200, $response->getStatusCode());
        $this->assertArrayHasKey('id', $data);
        $this->assertEquals($thirdPartyId, $data['id']);

        // check into database
        $period = $em->getRepository(AccompanyingPeriod::class)
            ->find($period->getId());
        $this->assertInstanceOf(ThirdParty::class, $period->getRequestor());
        $this->assertEquals($thirdPartyId, $period->getRequestor()->getId());

        // remove the requestor
        $this->client->request(
            Request::METHOD_DELETE,
            sprintf('/api/1.0/person/accompanying-course/%d/requestor.json', $period->getId())
        );
        $response = $this->client->getResponse();
        $this->assertEquals(200, $response->getStatusCode());

        // check into database
        $period = $em->getRepository(AccompanyingPeriod::class)
            ->find($period->getId());
        $em->refresh($period);
        $this->assertNull($period->getRequestor());
    }

    /**
     *
     * @dataProvider dataGenerateRandomAccompanyingCourse
     */
    public function testAccompanyingPeriodPatch(int $personId, AccompanyingPeriod $period)
    {
        $initialValueEmergency = $period->isEmergency();
        $em = self::$container->get(EntityManagerInterface::class);

        $this->client->request(
            Request::METHOD_PATCH, 
            sprintf('/api/1.0/person/accompanying-course/%d.json', $period->getId()),
            [], // parameters
            [], // files
            [], // server parameters
            \json_encode([ 'type' => 'accompanying_period', 'emergency' => !$initialValueEmergency ])
        );
        $response = $this->client->getResponse();

        $this->assertEquals(200, $response->getStatusCode());
        $period = $em->getRepository(AccompanyingPeriod::class)
            ->find($period->getId());
        $em->refresh($period);
        $this->assertEquals(!$initialValueEmergency, $period->isEmergency());

        // restore the initial valud
        $period->setEmergency($initialValueEmergency);
        $em->flush();
    }

    public function dataGenerateRandomRequestorValidData(): \Iterator
    {
        $dataLength = 2;
        $maxResults = 100;

        static::bootKernel();
        $em = static::$container->get(EntityManagerInterface::class);
        $center = $em->getRepository(Center::class)
            ->findOneBy(array('name' => 'Center A'));

        $personIds = $em->createQuery("SELECT p.id FROM ".
            Person::class." p ".
            " WHERE p.center = :center")
            ->setParameter('center', $center)
            ->setMaxResults($maxResults)
            ->getScalarResult();
        
        // create a random order
        shuffle($personIds);

        $thirdPartyIds = $em->createQuery("SELECT t.id FROM ".
            ThirdParty::class." t ")
            ->setMaxResults($maxResults)
            ->getScalarResult();
        
        // create a random order
        shuffle($thirdPartyIds);

        $i = 0;
        while ($i <= $dataLength) {
            $person = $em->getRepository(Person::class)
                ->find(\array_pop($personIds)['id']);

            if (count($person->getAccompanyingPeriods()) === 0) {
                continue;
            }

            $period = $person->getAccompanyingPeriods()[0];

            yield [$period, \array_pop($personIds)['id'], \array_pop($thirdPartyIds)['id'] ];
            $i++;
        }
    }

    /**
     *
     * @dataProvider dataGenerateRandomAccompanyingCourse
     */
    public function testAccompanyingCourseAddParticipation(int $personId, AccompanyingPeriod $period)
    {
        $this->client->request(
            Request::METHOD_POST,
            sprintf('/api/1.0/person/accompanying-course/%d/participation.json', $period->getId()),
            [], // parameters
            [], // files
            [], // server parameters
            \json_encode([ 'type' => 'person', 'id' => $personId ])
        );
        $response = $this->client->getResponse();
        $data = \json_decode($response->getContent(), true);

        $this->assertEquals(200, $response->getStatusCode(), "Test that the response of rest api has a status code ok (200)");
        $this->assertArrayHasKey('id', $data);
        $this->assertArrayHasKey('startDate', $data);
        $this->assertNotNull($data['startDate']);

        // check by deownloading the accompanying cours

        $this->client->request(Request::METHOD_GET, sprintf('/api/1.0/person/accompanying-course/%d.json', $period->getId()));
        
        $response = $this->client->getResponse();
        $data = \json_decode($response->getContent());

        // check that the person id is contained
        $participationsPersonsIds = \array_map(
            function($participation) { return $participation->person->id; },
            $data->participations);

        $this->assertContains($personId, $participationsPersonsIds);

        // check removing the participation
        $this->client->request(
            Request::METHOD_DELETE,
            sprintf('/api/1.0/person/accompanying-course/%d/participation.json', $period->getId()),
            [], // parameters
            [], // files
            [], // server parameters
            \json_encode([ 'type' => 'person', 'id' => $personId ])
        );
        $response = $this->client->getResponse();
        $data = \json_decode($response->getContent(), true);

        $this->assertEquals(200, $response->getStatusCode(), "Test that the response of rest api has a status code ok (200)");
        $this->assertArrayHasKey('id', $data);
        $this->assertArrayHasKey('startDate', $data);
        $this->assertNotNull($data['startDate']);
        $this->assertArrayHasKey('endDate', $data);
        $this->assertNotNull($data['endDate']);


        // set to variable for tear down
        $this->personId = $personId;
        $this->period = $period;
    }

    protected function tearDown()
    {
        // remove participation created during test 'testAccompanyingCourseAddParticipation'
        // and if the test could not remove it

        $testAddParticipationName = 'testAccompanyingCourseAddParticipation';

        if ($testAddParticipationName !== \substr($this->getName(), 0, \strlen($testAddParticipationName))) {
            return;
        }

        $em = static::$container->get(EntityManagerInterface::class);

        $participation = $em
            ->getRepository(AccompanyingPeriodParticipation::class)
            ->findOneBy(['person' => $this->personId, 'accompanyingPeriod' => $this->period])
            ;

        if (NULL !== $participation) {
            $em->remove($participation);
            $em->flush();
        }
    }

    public function dataGenerateRandomAccompanyingCourse()
    {
        // note about max result for person query, and maxGenerated:
        // 
        // in the final loop, an id is popped out of the personIds array twice:
        // 
        // * one for getting the person, which will in turn provide his accompanying period;
        // * one for getting the personId to populate to the data manager
        //
        // Ensure to keep always $maxGenerated to the double of $maxResults. x8 is a good compromize :)
        $maxGenerated = 3;
        $maxResults = $maxGenerated * 8;

        static::bootKernel();
        $em = static::$container->get(EntityManagerInterface::class);
        $center = $em->getRepository(Center::class)
            ->findOneBy(array('name' => 'Center A'));

        $personIds = $em->createQuery("SELECT p.id FROM ".
            Person::class." p ".
            " WHERE p.center = :center")
            ->setParameter('center', $center)
            ->setMaxResults($maxResults)
            ->getScalarResult();
        
        // create a random order
        shuffle($personIds);

        $nbGenerated = 0;
        while ($nbGenerated < $maxGenerated) {
            $id = \array_pop($personIds)["id"];

            $person = $em->getRepository(Person::class)
                ->find($id);
            $periods = $person->getAccompanyingPeriods();

            yield [\array_pop($personIds)["id"], $periods[\array_rand($periods)] ];

            $nbGenerated++;
        }
    }

}