<?php

namespace App\Validator\Constraints;

use App\Form\Model\ParticipantDto;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;

class ParticipantValidator extends ConstraintValidator
{
    public function validate(mixed $value, Constraint $constraint): void
    {
        /** @var ParticipantDto $participant */
        $participant = $value;

        $this->assertBodyMeasurementsValid($participant);
        $this->assertTransportationSelected($participant);
        $this->assertPickupSelected($participant);
    }

    public function assertBodyMeasurementsValid(ParticipantDto $participant): void
    {
        if (0 === count($participant->rentals)) {
            return;
        }

        foreach (['height', 'shoeSize', 'weight'] as $property) {
            if (empty($participant->{$property})) {
                $this->context->buildViolation('Bitte angeben wegen Leihmaterial')
                    ->atPath($property)
                    ->addViolation()
                ;
            }
        }
    }

    public function assertTransportationSelected(ParticipantDto $participant): void
    {
        // no transportation services required for canceled participants
        if (true === $participant->isCanceled()) {
            return;
        }

        foreach (['transportationOutbound', 'transportationInbound'] as $property) {
            if (null === $participant->{$property}) {
                $this->context->buildViolation('Bitte angeben')
                    ->atPath($property)
                    ->addViolation()
                ;
            }
        }
    }

    public function assertPickupSelected(ParticipantDto $participant): void
    {
        // Check if either outbound or inbound transportation is bus
        $hasOutboundBus = null !== $participant->transportationOutbound
            && 'BUS' === $participant->transportationOutbound->subType;
        $hasInboundBus = null !== $participant->transportationInbound
            && 'BUS' === $participant->transportationInbound->subType;

        // Require pickup if at least one direction has bus transport
        if (($hasOutboundBus || $hasInboundBus) && null === $participant->pickup) {
            $this->context->buildViolation('Bitte auswählen')
                ->atPath('pickup')
                ->addViolation()
            ;
        }
    }
}