<?php

declare(strict_types=1);

namespace App\Form\Service;

use App\BusProNet\Utility\DirectionMapper;
use App\Form\Model\BookingDto;
use App\Form\Service\Abstract\AbstractFieldStateProvider;
use App\Form\Service\Condition\AdditionalServicesMutabilityCondition;
use App\Form\Service\Condition\AgeRangeCondition;
use App\Form\Service\Condition\BookingModeCondition;
use App\Form\Service\Condition\CompositeCondition;
use App\Form\Service\Condition\DateOfBirthProvidedCondition;
use App\Form\Service\Condition\FieldValueCondition;
use App\Form\Service\Condition\FirstParticipantCondition;
use App\Form\Service\Condition\FirstParticipantReadOnlyCondition;
use App\Form\Service\Condition\PersonalDataMutabilityCondition;
use App\Form\Service\Condition\PickupsMutabilityCondition;
use App\Form\Service\Condition\RentalInsuranceAvailableCondition;
use App\Form\Service\Condition\RentalSelectionCondition;
use App\Form\Service\Condition\RoomSelectionCondition;
use App\Form\Service\Condition\ServiceSubTypeCondition;
use App\Form\Service\Condition\SkiPassSelectionCondition;
use App\Form\Service\Condition\TransportationServicesMutabilityCondition;

/**
 * Field state provider for the booking edit workflow.
 *
 * This service calculates dynamic field states (readonly, disabled, etc.)
 * for participant fields in the edit flow, using edit-specific conditions.
 *
 * It extends the common field state functionality provided by
 * AbstractFieldStateProvider and adds edit-specific field state logic.
 */
class EditFieldStateProvider extends AbstractFieldStateProvider
{
    /**
     * Registers field state conditions for the edit workflow.
     *
     * This method defines the conditional logic for field states in the
     * booking edit process. It makes fields readonly based on mutability flags
     * and applies the same conditional visibility logic as the create flow.
     */
    protected function registerFieldStateConditions(): void
    {
        // Mutability conditions
        $additionalServicesMutabilityCondition = new AdditionalServicesMutabilityCondition();
        $transportationServicesMutabilityCondition = new TransportationServicesMutabilityCondition();
        $pickupsMutabilityCondition = new PickupsMutabilityCondition();

        // Personal data protection in edit mode:
        // 1. First participant in non-internal agency booking - always read-only (first participant = applicant)
        // 2. BPN mutability flag (mutable=false) - respects BPN business rules
        // Show fields as static text if EITHER condition is true
        $firstParticipantReadOnlyCondition = new FirstParticipantReadOnlyCondition();
        $personalDataMutabilityCondition = new PersonalDataMutabilityCondition();
        $personalDataHiddenCondition = CompositeCondition::or(
            $firstParticipantReadOnlyCondition,
            $personalDataMutabilityCondition
        );

        // Render all personal data fields as static text if first participant in non-internal agency OR BPN indicates not mutable
        // Using 'static_text' state (not 'hidden') so template renders values as static text
        $personalDataFields = [
            'firstName',
            'lastName',
            'dateOfBirth',
            'gender',
            'nationality',
            'email',
            'mobile',
        ];
        foreach ($personalDataFields as $field) {
            $this->fieldStateConditions[$field] = [
                'static_text' => $personalDataHiddenCondition,
            ];
        }

        // Address fields - render as static text if first participant in non-internal agency OR participant not mutable
        $this->fieldStateConditions['address'] = [
            'static_text' => $personalDataHiddenCondition,
        ];

        // Address subfields - render as static text if first participant in non-internal agency OR participant not mutable
        $this->fieldStateConditions['address.street'] = [
            'static_text' => $personalDataHiddenCondition,
        ];

        $this->fieldStateConditions['address.postCode'] = [
            'static_text' => $personalDataHiddenCondition,
        ];

        $this->fieldStateConditions['address.city'] = [
            'static_text' => $personalDataHiddenCondition,
        ];

        $this->fieldStateConditions['address.country'] = [
            'static_text' => $personalDataHiddenCondition,
        ];

        // Room assignments are fixed in edit mode - always render as static text
        // Agencies must ensure proper room assignments before booking submission
        $this->fieldStateConditions['assignedRoomId'] = [
            'static_text' => new BookingModeCondition(BookingDto::MODE_EDIT),
        ];

        // Show remarks room field only when room with code 'mbz' (single bed) is selected
        $sharedRoomCondition = new RoomSelectionCondition(['mbz']);
        $this->fieldStateConditions['remarksRoom'] = [
            'hidden' => CompositeCondition::not($sharedRoomCondition),
        ];

        // Conditional visibility for service fields (same as create flow)
        $rentalCondition = new RentalSelectionCondition();
        $skiPassCondition = new SkiPassSelectionCondition();
        $dateOfBirthProvidedCondition = new DateOfBirthProvidedCondition();

        // Hide body dimensions unless rentals are selected
        $this->fieldStateConditions['bodyDimensions'] = [
            'hidden' => CompositeCondition::not($rentalCondition),
        ];

        // Age-dependent service fields - hidden until birth date provided (except for first participant who always has DOB)
        // Also readonly if services not mutable
        // For first participant in edit mode: DOB is always available (patched from booking), so never hide
        $hideUntilDobCondition = CompositeCondition::and(
            CompositeCondition::not($dateOfBirthProvidedCondition),
            CompositeCondition::not(new FirstParticipantCondition()) // Don't hide for first participant
        );

        $this->fieldStateConditions['courses'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        $this->fieldStateConditions['additionalServices'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        $this->fieldStateConditions['board'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        $this->fieldStateConditions['veg'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        // Skipass - hidden until birth date (except first participant), readonly if services not mutable
        $this->fieldStateConditions['skiPass'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        // Rentals - shown only when skipass selected, readonly if services not mutable
        // For first participant: only check skipass, not DOB
        $this->fieldStateConditions['rentals'] = [
            'hidden' => CompositeCondition::or(
                $hideUntilDobCondition,
                CompositeCondition::not($skiPassCondition)
            ),
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        // Rental insurance - shown only when rentals selected AND LVS services exist, readonly if services not mutable
        $rentalInsuranceAvailableCondition = new RentalInsuranceAvailableCondition();
        $this->fieldStateConditions['rentalInsurance'] = [
            'hidden' => CompositeCondition::or(
                CompositeCondition::not($rentalCondition),
                CompositeCondition::not($rentalInsuranceAvailableCondition)
            ),
            'readonly' => $additionalServicesMutabilityCondition,
        ];

        // Transportation fields - hidden until birth date (except first participant), readonly if transportation not mutable
        $this->fieldStateConditions['transportationOutbound'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $transportationServicesMutabilityCondition,
        ];

        $this->fieldStateConditions['transportationInbound'] = [
            'hidden' => $hideUntilDobCondition,
            'readonly' => $transportationServicesMutabilityCondition,
        ];

        // Pickup field - shown only when outbound transportation is BUS (pickup is for outbound journey), readonly if pickups not mutable
        $this->fieldStateConditions['pickup'] = [
            'hidden' => CompositeCondition::not(
                ServiceSubTypeCondition::equals('transportationOutbound', DirectionMapper::SUBTYPE_BUS_API)
            ),
            'readonly' => $pickupsMutabilityCondition,
        ];

        // Show differentDropOff checkbox only when BOTH outbound and inbound are BUS, readonly if pickups not mutable
        $this->fieldStateConditions['differentDropOff'] = [
            'hidden' => CompositeCondition::not(
                CompositeCondition::and(
                    ServiceSubTypeCondition::equals('transportationOutbound', DirectionMapper::SUBTYPE_BUS_API),
                    ServiceSubTypeCondition::equals('transportationInbound', DirectionMapper::SUBTYPE_BUS_API)
                )
            ),
            'readonly' => $pickupsMutabilityCondition,
        ];

        // Show drop-off when inbound is BUS (options provider further gates on checkbox state in BUS+BUS)
        $this->fieldStateConditions['dropOff'] = [
            'hidden' => CompositeCondition::not(
                ServiceSubTypeCondition::equals('transportationInbound', DirectionMapper::SUBTYPE_BUS_API)
            ),
            'readonly' => $pickupsMutabilityCondition,
        ];

        // Parking - shown only when outbound transportation is PKW AND participant is 18+, readonly if transportation not mutable
        // Participants under 18 cannot drive in Germany, so parking is not relevant for them
        $minimumDrivingAgeCondition = new AgeRangeCondition(18);
        $this->fieldStateConditions['parking'] = [
            'hidden' => CompositeCondition::or(
                CompositeCondition::not(
                    ServiceSubTypeCondition::equals('transportationOutbound', DirectionMapper::SUBTYPE_CAR_API)
                ),
                CompositeCondition::not($minimumDrivingAgeCondition)
            ),
            'readonly' => $transportationServicesMutabilityCondition,
        ];

        // License plate - shown only when parking selected, readonly if transportation not mutable
        $this->fieldStateConditions['licensePlate'] = [
            'hidden' => FieldValueCondition::equals('parking', false),
            'readonly' => $transportationServicesMutabilityCondition,
        ];
    }
}