<?php

declare(strict_types=1);

namespace App\Tests\Form\Model;

use App\BusProNet\Model\Travel;
use App\Form\Model\BookingDto;
use PHPUnit\Framework\TestCase;

/**
 * Tests for BookingDto validation and business logic.
 *
 * Email uniqueness validation tests have been moved to ParticipantEditDtoTest
 * as part of the refactoring to use the wrapper DTO pattern.
 */
class BookingDtoTest extends TestCase
{
    public function testBookingDtoCanBeInstantiated(): void
    {
        $travel = new Travel();
        $travel->dateFrom = new \DateTimeImmutable('2025-06-01');
        $travel->dateTo = new \DateTimeImmutable('2025-06-08');

        $bookingDto = new BookingDto($travel, 1);

        $this->assertInstanceOf(BookingDto::class, $bookingDto);
        $this->assertSame($travel, $bookingDto->travel);
        $this->assertSame(BookingDto::MODE_CREATE, $bookingDto->getMode());
    }

    public function testUnserializeHandlesIntTravelId(): void
    {
        $travel = new Travel();
        $travel->id = 42;
        $travel->dateFrom = new \DateTimeImmutable('2025-06-01');
        $travel->dateTo = new \DateTimeImmutable('2025-06-08');

        $dto = new BookingDto($travel, 1);
        $serialized = serialize($dto);
        $restored = unserialize($serialized);

        $this->assertInstanceOf(BookingDto::class, $restored);
        $this->assertSame(42, $restored->travel->id);
    }

    public function testUnserializeHandlesLegacyTravelObject(): void
    {
        $travel = new Travel();
        $travel->id = 42;
        $travel->dateFrom = new \DateTimeImmutable('2025-06-01');
        $travel->dateTo = new \DateTimeImmutable('2025-06-08');

        // Simulate old session format where 'travel' is a full Travel object
        $data = [
            'travel' => $travel,
            'hotelId' => 1,
        ];

        $dto = new BookingDto(new Travel(), 1);
        $dto->__unserialize($data);

        $this->assertSame($travel, $dto->travel);
        $this->assertSame(42, $dto->travel->id);
    }
}