<?php

namespace App\Form\ChoiceLoader;

use App\BusProNet\DataProvider\CountryDataProvider;
use App\BusProNet\Model\Country;
use Symfony\Component\Form\ChoiceList\ArrayChoiceList;
use Symfony\Component\Form\ChoiceList\ChoiceListInterface;
use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;

class BpnCountryChoiceLoader implements ChoiceLoaderInterface
{
    public function __construct(private readonly CountryDataProvider $countries, private readonly string $property)
    {}

    public function loadChoiceList(callable $value = null): ChoiceListInterface
    {
        $choices = [];
        /** @var Country[] $countries */
        $countries = $this->countries->getAll();

        foreach ($countries as $country) {
            $key = 'nationality' === $this->property ? $country->getNationality() : $country->getName();
            $choices[$key] = $country->getToken();
        }

        return new ArrayChoiceList($choices);

    }

    public function loadChoicesForValues(array $values, callable $value = null): array
    {
        return $values;
    }

    public function loadValuesForChoices(array $choices, callable $value = null): array
    {
        return $choices;
    }
}