<?php

declare(strict_types=1);

namespace App\Tests\Service;

use App\BusProNet\Model\Room;
use App\BusProNet\Model\Travel;
use App\BusProNet\Constants;
use App\Form\Model\BookingDto;
use App\Form\Model\ParticipantDto;
use App\Form\Model\RoomSelectionDto;
use App\Service\BookingParticipantCountService;
use PHPUnit\Framework\TestCase;

class BookingParticipantCountServiceTest extends TestCase
{
    private BookingParticipantCountService $service;

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

    public function testEnsureCorrectNumberOfParticipantsExpandsToCalculatedCount(): void
    {
        $travel = $this->createTravel([
            1 => 2,
            2 => 3,
        ]);

        $bookingDto = new BookingDto($travel, 123);
        $bookingDto->roomSelections = [
            $this->createRoomSelection(1, 1),
            $this->createRoomSelection(2, 2),
        ];
        $bookingDto->participants = [new ParticipantDto()];

        $this->service->ensureCorrectNumberOfParticipants($bookingDto);

        $this->assertCount(8, $bookingDto->participants);
        $this->assertSame(0, $bookingDto->participants[0]->index);
        $this->assertSame(7, $bookingDto->participants[7]->index);
    }

    private function createTravel(array $roomCapacities): Travel
    {
        $travel = new Travel();
        $travel->dateFrom = new \DateTimeImmutable('2030-01-01');
        $travel->dateTo = new \DateTimeImmutable('2030-01-06');

        $rooms = [];
        foreach ($roomCapacities as $id => $minPax) {
            $room = new Room();
            $room->id = $id;
            $room->label = 'Room '.$id;
            $room->minPax = $minPax;
            $room->maxPax = $minPax + 1;
            $room->available = 5;
            $room->status = Constants::STATUS_AVAILABLE;
            $rooms[$id] = $room;
        }

        $travel->rooms = $rooms;

        return $travel;
    }

    private function createRoomSelection(int $id, int $quantity): RoomSelectionDto
    {
        $selection = new RoomSelectionDto();
        $selection->id = $id;
        $selection->quantity = $quantity;

        return $selection;
    }
}