<?php

declare(strict_types=1);

namespace App\Tests\Form\Service;

use App\BusProNet\Constants;
use App\BusProNet\Model\Service;
use App\BusProNet\Model\Travel;
use App\Form\Model\BookingDto;
use App\Form\Model\ParticipantDto;
use App\Form\Service\ParticipantFieldOptionsProvider;
use App\Service\BookingPriceCalculatorService;
use App\Service\InsuranceService;
use App\Service\ServiceAvailabilityCalculator;
use PHPUnit\Framework\TestCase;
use Symfony\Contracts\Translation\TranslatorInterface;

/**
 * Tests that mandatory services in choice_attr are only locked (readonly)
 * when actually selected in the participant's DTO, preventing incorrect
 * force-locking after age-related service changes.
 */
class ParticipantFieldOptionsProviderMandatoryServiceTest extends TestCase
{
    private ParticipantFieldOptionsProvider $provider;

    protected function setUp(): void
    {
        $serviceAvailabilityCalculator = $this->createMock(ServiceAvailabilityCalculator::class);
        $insuranceService = $this->createMock(InsuranceService::class);
        $priceCalculatorService = $this->createMock(BookingPriceCalculatorService::class);
        $translator = $this->createMock(TranslatorInterface::class);

        $this->provider = new ParticipantFieldOptionsProvider(
            $serviceAvailabilityCalculator,
            $insuranceService,
            $priceCalculatorService,
            $translator
        );
    }

    public function testMandatoryServiceSelectedHasReadonlyAndTooltip(): void
    {
        $mandatoryService = $this->createMandatoryService(1, 'Ortstaxe');
        $travel = $this->createTravelWithAdditionalServices([$mandatoryService]);
        $bookingDto = new BookingDto($travel, 1);

        $participant = new ParticipantDto();
        $participant->index = 0;
        $participant->dateOfBirth = $travel->dateFrom->modify('-25 years');
        $participant->additionalServices = [$mandatoryService];
        $bookingDto->participants[0] = $participant;

        $options = $this->provider->getFieldOptions('additionalServices', $bookingDto, 0);
        $choiceAttr = $options['choice_attr'];
        $attributes = $choiceAttr($mandatoryService);

        $this->assertTrue($attributes['readonly']);
        $this->assertSame('Diese Leistung ist nicht abwählbar', $attributes['data-tooltip']);
        $this->assertArrayNotHasKey('checked', $attributes);
    }

    public function testMandatoryServiceNotSelectedHasNoReadonlyOrChecked(): void
    {
        $mandatoryService = $this->createMandatoryService(1, 'Ortstaxe');
        $travel = $this->createTravelWithAdditionalServices([$mandatoryService]);
        $bookingDto = new BookingDto($travel, 1);

        $participant = new ParticipantDto();
        $participant->index = 0;
        $participant->dateOfBirth = $travel->dateFrom->modify('-25 years');
        $participant->additionalServices = [];
        $bookingDto->participants[0] = $participant;

        $options = $this->provider->getFieldOptions('additionalServices', $bookingDto, 0);
        $choiceAttr = $options['choice_attr'];
        $attributes = $choiceAttr($mandatoryService);

        $this->assertArrayNotHasKey('readonly', $attributes);
        $this->assertArrayNotHasKey('checked', $attributes);
        $this->assertArrayNotHasKey('data-tooltip', $attributes);
    }

    public function testNonMandatoryServiceUnaffected(): void
    {
        $nonMandatoryService = new Service();
        $nonMandatoryService->id = 2;
        $nonMandatoryService->label = 'Keycard-Pfand';
        $nonMandatoryService->subType = Constants::TOKEN_ADDITIONAL;
        $nonMandatoryService->available = 10;
        $nonMandatoryService->price = 10.0;
        $nonMandatoryService->mandatory = false;
        $nonMandatoryService->autoBook = true;

        $travel = $this->createTravelWithAdditionalServices([$nonMandatoryService]);
        $bookingDto = new BookingDto($travel, 1);

        $participant = new ParticipantDto();
        $participant->index = 0;
        $participant->dateOfBirth = $travel->dateFrom->modify('-25 years');
        $participant->additionalServices = [$nonMandatoryService];
        $bookingDto->participants[0] = $participant;

        $options = $this->provider->getFieldOptions('additionalServices', $bookingDto, 0);
        $choiceAttr = $options['choice_attr'];
        $attributes = $choiceAttr($nonMandatoryService);

        $this->assertArrayNotHasKey('readonly', $attributes);
        $this->assertArrayNotHasKey('checked', $attributes);
    }

    public function testNullParticipantReturnsEmptyOptions(): void
    {
        $mandatoryService = $this->createMandatoryService(1, 'Ortstaxe');
        $travel = $this->createTravelWithAdditionalServices([$mandatoryService]);
        $bookingDto = new BookingDto($travel, 1);

        // Do not set participant — age filtering cannot determine choices, returns empty
        $options = $this->provider->getFieldOptions('additionalServices', $bookingDto, 0);

        $this->assertEmpty($options);
    }

    private function createMandatoryService(int $id, string $label): Service
    {
        $service = new Service();
        $service->id = $id;
        $service->label = $label;
        $service->subType = Constants::TOKEN_ADDITIONAL;
        $service->available = 10;
        $service->price = 5.0;
        $service->mandatory = true;

        return $service;
    }

    private function createTravelWithAdditionalServices(array $services): Travel
    {
        $travel = new Travel();
        $travel->dateFrom = new \DateTimeImmutable('+30 days');
        $travel->dateTo = new \DateTimeImmutable('+37 days');

        $indexed = [];
        foreach ($services as $service) {
            $indexed[$service->id] = $service;
        }
        $travel->additionalServices = $indexed;

        return $travel;
    }
}