<?php

namespace Lc\SovBundle\Solver\User;

use Lc\SovBundle\Model\Newsletter\NewsletterInterface;
use Lc\SovBundle\Model\User\GroupUserInterface;
use Lc\SovBundle\Model\User\UserInterface;

class UserSolver
{
    // @TODO : à écrire si besoin (voir __toString de UserModel)
    public function getSummary(UserInterface $user)
    {

    }

    public function getName(UserInterface $user): ?string
    {
        return (string) ucfirst(strtolower($user->getFirstname())) . ' ' . strtoupper($user->getLastname());
    }


    // isUserInGroupVip
    public function isInGroupUserVip(UserInterface $user)
    {
        return $this->isInGroupByDevAlias($user, 'vip') ;
    }

    // isUserInGroup
    public function isInGroupUser(UserInterface $user, GroupUserInterface $groupUser)
    {
        return $this->isInGroupByDevAlias($user, $groupUser->getDevAlias());
    }

    // isUserInGroupByDevAlias
    public function isInGroupByDevAlias(UserInterface $user, string $groupUserDevAlias)
    {
        $groupUsers = $user->getGroupUsers();

        foreach($groupUsers as $groupUser) {
            if($groupUser->getDevAlias() == $groupUserDevAlias) {
                return true;
            }
        }

        return false;
    }

    public function isSubscribedToNewsletter(UserInterface $user, NewsletterInterface $newsletter)
    {
        return $user->getNewsletters()->contains($newsletter);
    }

    public function getAge(UserInterface $user): ?int
    {
        if($user->getBirthdate()) {
            $now = new \DateTime();
            $interval = $now->diff($user->getBirthdate());
            return $interval->y;
        }else{
            return null;
        }
    }

}