<?php

declare(strict_types=1);

namespace App\Tests\Service;

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

class BookingSummaryParticipantCountServiceTest extends TestCase
{
    public function testCreateStep1UsesExpectedParticipantCountFromSelectedRooms(): void
    {
        $service = new BookingSummaryParticipantCountService();
        $bookingDto = $this->createBookingDto();
        $bookingDto->currentStep = 1;
        $bookingDto->roomSelections = [
            $this->createRoomSelection(10, 1),
            $this->createRoomSelection(11, 2),
        ];

        self::assertSame(8, $service->calculate($bookingDto));
    }

    public function testLaterCreateStepsUseActualParticipantCount(): void
    {
        $service = new BookingSummaryParticipantCountService();
        $bookingDto = $this->createBookingDto();
        $bookingDto->currentStep = 2;
        $bookingDto->participants = [
            new ParticipantDto(),
            new ParticipantDto(),
            new ParticipantDto(),
        ];

        self::assertSame(3, $service->calculate($bookingDto));
    }

    public function testEditModeUsesActualParticipantCount(): void
    {
        $service = new BookingSummaryParticipantCountService();
        $bookingDto = $this->createBookingDto();
        $bookingDto->booking = new \App\BusProNet\Model\Booking();
        $bookingDto->participants = [
            new ParticipantDto(),
            new ParticipantDto(),
        ];

        self::assertSame(2, $service->calculate($bookingDto));
    }

    private function createBookingDto(): BookingDto
    {
        $travel = new Travel();
        $travel->dateFrom = new \DateTimeImmutable('2030-01-01');
        $travel->dateTo = new \DateTimeImmutable('2030-01-06');
        $travel->rooms = [
            10 => $this->createRoom(10, 2),
            11 => $this->createRoom(11, 3),
        ];

        return new BookingDto($travel, 157047);
    }

    private function createRoom(int $id, int $maxPax): Room
    {
        $room = new Room();
        $room->id = $id;
        $room->label = 'Room '.$id;
        $room->available = 4;
        $room->status = 'Frei';
        $room->maxPax = $maxPax;

        return $room;
    }

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

        return $selection;
    }
}