<?php

declare(strict_types=1);

namespace App\Tests\Form\Service;

use App\BusProNet\Model\Travel;
use App\BusProNet\XmlLoader\AgencyLoader;
use App\Form\Model\BookingDto;
use App\Form\Model\ParticipantDto;
use App\Form\Service\EditFieldStateProvider;
use PHPUnit\Framework\TestCase;

/**
 * Covers the edit-flow email requirement, which follows the same age rule as the create flow
 * but stands down entirely for internal agency bookings, where staff leave personal data blank.
 */
class EditFieldStateProviderTest extends TestCase
{
    private EditFieldStateProvider $provider;

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

    public function testEmailIsRequiredForNonApplicantAdult(): void
    {
        $bookingDto = $this->createBookingDto(new \DateTimeImmutable('1990-01-01'), false);

        $this->assertTrue($this->provider->getFieldState('email', $bookingDto, 1)['required']);
    }

    public function testEmailIsNotRequiredForNonApplicantChild(): void
    {
        $bookingDto = $this->createBookingDto(new \DateTimeImmutable('2015-01-01'), false);

        $this->assertFalse($this->provider->getFieldState('email', $bookingDto, 1)['required']);
    }

    public function testEmailIsNotRequiredForInternalAgencyBookingsEvenForAdults(): void
    {
        $bookingDto = $this->createBookingDto(new \DateTimeImmutable('1990-01-01'), true);

        $this->assertFalse(
            $this->provider->getFieldState('email', $bookingDto, 1)['required'],
            'Internal agency bookings leave personal data optional throughout'
        );
    }

    public function testEmailIsRequiredForTheApplicantOutsideInternalAgencyBookings(): void
    {
        $bookingDto = $this->createBookingDto(new \DateTimeImmutable('1990-01-01'), false);

        $this->assertTrue($this->provider->getFieldState('email', $bookingDto, 0)['required']);
    }

    private function createBookingDto(\DateTimeImmutable $dependentDateOfBirth, bool $internalAgency): BookingDto
    {
        $travel = new Travel();
        $travel->dateFrom = new \DateTimeImmutable('+30 days');
        $travel->dateTo = new \DateTimeImmutable('+37 days');

        $applicant = new ParticipantDto();
        $applicant->index = 0;
        $applicant->dateOfBirth = new \DateTimeImmutable('1980-01-01');

        $dependent = new ParticipantDto();
        $dependent->index = 1;
        $dependent->dateOfBirth = $dependentDateOfBirth;

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

        if (true === $internalAgency) {
            $bookingDto->agencyCode = AgencyLoader::INTERNAL_AGENCY_CODE;
        }

        return $bookingDto;
    }
}