<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\MainBundle\Form\DataMapper;

use Chill\MainBundle\Entity\User;
use Symfony\Component\Form\DataMapperInterface;

final readonly class NotificationFlagDataMapper implements DataMapperInterface
{
    public function __construct(private array $notificationFlagProviders) {}

    public function mapDataToForms($viewData, $forms): void
    {
        if (null === $viewData) {
            $viewData = [];
        }

        $formsArray = iterator_to_array($forms);

        foreach ($this->notificationFlagProviders as $flagProvider) {
            $flag = $flagProvider->getFlag();

            if (isset($formsArray[$flag])) {
                $flagForm = $formsArray[$flag];

                $immediateEmailChecked = in_array(User::NOTIF_FLAG_IMMEDIATE_EMAIL, $viewData[$flag] ?? [], true)
                    || !array_key_exists($flag, $viewData);
                $dailyEmailChecked = in_array(User::NOTIF_FLAG_DAILY_DIGEST, $viewData[$flag] ?? [], true);

                if ($flagForm->has('immediate_email')) {
                    $flagForm->get('immediate_email')->setData($immediateEmailChecked);
                }
                if ($flagForm->has('daily_email')) {
                    $flagForm->get('daily_email')->setData($dailyEmailChecked);
                }
            }
        }
    }

    public function mapFormsToData($forms, &$viewData): void
    {
        $formsArray = iterator_to_array($forms);
        $viewData = [];

        foreach ($this->notificationFlagProviders as $flagProvider) {
            $flag = $flagProvider->getFlag();

            if (isset($formsArray[$flag])) {
                $flagForm = $formsArray[$flag];
                $viewData[$flag] = [];

                if (true === $flagForm['immediate_email']->getData()) {
                    $viewData[$flag][] = User::NOTIF_FLAG_IMMEDIATE_EMAIL;
                }

                if (true === $flagForm['daily_email']->getData()) {
                    $viewData[$flag][] = User::NOTIF_FLAG_DAILY_DIGEST;
                }

                if ([] === $viewData[$flag]) {
                    $viewData[$flag][] = User::NOTIF_FLAG_IMMEDIATE_EMAIL;
                }
            }
        }
    }
}