<?php

namespace App\User\Dto;

use App\User\Framework\Entity\PreferenceOption;
use App\User\Framework\Entity\User;
use Symfony\Component\Security\Core\User\UserInterface;

class UserPreferencesFactory
{
    /** @param User $user */
    public static function createFromUser(UserInterface $user): UserPreferences
    {
        return new UserPreferences(
            resolution: self::getNestedValue($user, 'resolution'),
            codec: self::getNestedValue($user, 'codec'),
            language: self::getValue($user, 'language'),
            provider: self::getValue($user, 'provider'),
            quality: self::getValue($user, 'quality'),
        );
    }

    /** @param User $user */
    private static function getValue(UserInterface $user, string $preferenceId)
    {
        $value = $user->getUserPreference($preferenceId)->getPreferenceValue();
        if ($value === "") {
            return null;
        }
        return $value;
    }

    /** @param User $user */
    private static function getNestedValue(UserInterface $user, string $preferenceId): ?string
    {
        $preference = $user->getUserPreference($preferenceId);
        if (null === $preference) {
            return null;
        }
        return $preference->getPreference()
            ->getPreferenceOptions()
            ->filter(fn (PreferenceOption $option) => (string) $option->getId() === $preference->getPreferenceValue())
            ->first()
            ->getValue()
        ;
    }
}