<?php

declare(strict_types=1);

namespace App\Tests\Form\Service;

use App\BusProNet\Model\Pickup;
use App\BusProNet\Model\Service;
use App\BusProNet\Model\Travel;
use App\BusProNet\Utility\DirectionMapper;
use App\Form\Model\BookingDto;
use App\Form\Model\ParticipantDto;
use App\Form\Service\ParticipantDropOffFieldHandler;
use PHPUnit\Framework\TestCase;

class ParticipantDropOffFieldHandlerTest extends TestCase
{
    private ParticipantDropOffFieldHandler $handler;

    protected function setUp(): void
    {
        $this->handler = new ParticipantDropOffFieldHandler();
    }

    public function testGetFieldName(): void
    {
        $this->assertSame('dropOff', $this->handler->getFieldName());
    }

    public function testGetDependencies(): void
    {
        $this->assertSame(
            ['transportationOutbound', 'transportationInbound', 'pickup'],
            $this->handler->getDependencies()
        );
    }

    public function testShouldProcessAlwaysReturnsTrue(): void
    {
        $this->assertTrue($this->handler->shouldProcess([], BookingDto::MODE_CREATE, 0));
        $this->assertTrue($this->handler->shouldProcess(['some' => 'data'], BookingDto::MODE_EDIT, 5));
    }

    public function testProcessFieldWithoutParticipant(): void
    {
        $travel = new Travel();
        $bookingDto = new BookingDto($travel, 1);
        $submittedData = ['dropOff' => '10'];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $this->expectNotToPerformAssertions();
    }

    public function testBusBusCheckboxCheckedValidSelection(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_BUS_API,
            DirectionMapper::SUBTYPE_BUS_API,
            [$dropOff]
        );

        $submittedData = [
            'differentDropOff' => '1',
            'dropOff' => '10',
        ];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $participant = $bookingDto->getParticipant(0);
        $this->assertNotNull($participant->dropOff);
        $this->assertSame(10, $participant->dropOff->id);
        $this->assertTrue($participant->differentDropOff);
    }

    public function testBusBusCheckboxUncheckedClearsDropOff(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_BUS_API,
            DirectionMapper::SUBTYPE_BUS_API,
            [$dropOff]
        );

        $participant = $bookingDto->getParticipant(0);
        $participant->dropOff = $dropOff;
        $participant->differentDropOff = true;

        $submittedData = [
            'differentDropOff' => false,
            'dropOff' => '10',
        ];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $this->assertNull($participant->dropOff);
        $this->assertFalse($participant->differentDropOff);
    }

    public function testPkwBusValidSelection(): void
    {
        $dropOff = $this->createDropOff(20, 'München ZOB');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_CAR_API,
            DirectionMapper::SUBTYPE_BUS_API,
            [$dropOff]
        );

        $submittedData = [
            'dropOff' => '20',
        ];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $participant = $bookingDto->getParticipant(0);
        $this->assertNotNull($participant->dropOff);
        $this->assertSame(20, $participant->dropOff->id);
        $this->assertFalse($participant->differentDropOff);
    }

    public function testBusPkwClearsDropOff(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_BUS_API,
            DirectionMapper::SUBTYPE_CAR_API,
            [$dropOff]
        );

        $participant = $bookingDto->getParticipant(0);
        $participant->dropOff = $dropOff;
        $participant->differentDropOff = true;

        $submittedData = ['dropOff' => '10'];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $this->assertNull($participant->dropOff);
        $this->assertFalse($participant->differentDropOff);
    }

    public function testPkwPkwClearsDropOff(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_CAR_API,
            DirectionMapper::SUBTYPE_CAR_API,
            [$dropOff]
        );

        $participant = $bookingDto->getParticipant(0);
        $participant->dropOff = $dropOff;

        $submittedData = ['dropOff' => '10'];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $this->assertNull($participant->dropOff);
        $this->assertFalse($participant->differentDropOff);
    }

    public function testInvalidDropOffIdSetsNull(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_CAR_API,
            DirectionMapper::SUBTYPE_BUS_API,
            [$dropOff]
        );

        $submittedData = [
            'dropOff' => '999',
        ];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $participant = $bookingDto->getParticipant(0);
        $this->assertNull($participant->dropOff);
    }

    public function testBusBusCheckboxCheckedNoSelection(): void
    {
        $dropOff = $this->createDropOff(10, 'Berlin Hbf');
        $bookingDto = $this->createBookingDto(
            DirectionMapper::SUBTYPE_BUS_API,
            DirectionMapper::SUBTYPE_BUS_API,
            [$dropOff]
        );

        $submittedData = [
            'differentDropOff' => '1',
        ];

        $this->handler->processField($submittedData, $bookingDto, 0);

        $participant = $bookingDto->getParticipant(0);
        $this->assertNull($participant->dropOff);
        $this->assertTrue($participant->differentDropOff);
    }

    private function createDropOff(int $id, string $label): Pickup
    {
        $pickup = new Pickup();
        $pickup->id = $id;
        $pickup->city = $label;
        $pickup->price = 5.0;

        return $pickup;
    }

    private function createTransportationService(string $subType): Service
    {
        $service = new Service();
        $service->id = random_int(100, 999);
        $service->label = 'Transport '.$subType;
        $service->subType = $subType;

        return $service;
    }

    /**
     * @param Pickup[] $dropOffs
     */
    private function createBookingDto(string $outboundSubType, string $inboundSubType, array $dropOffs): BookingDto
    {
        $travel = new Travel();
        foreach ($dropOffs as $dropOff) {
            $travel->dropOffs[$dropOff->id] = $dropOff;
        }

        $participant = new ParticipantDto();
        $participant->index = 0;
        $participant->transportationOutbound = $this->createTransportationService($outboundSubType);
        $participant->transportationInbound = $this->createTransportationService($inboundSubType);

        $bookingDto = new BookingDto($travel, 1);
        $bookingDto->participants = [$participant];

        return $bookingDto;
    }
}