<?php

namespace App\Security\Voter;

use App\Entity\Upload;
use App\Entity\User;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;

class UploadVoter extends Voter
{
    public const VIEW = 'VIEW';
    public const DELETE = 'DELETE';
    public const DOWNLOAD = 'DOWNLOAD';
    public const CHECK = 'CHECK';

    protected function supports(string $attribute, mixed $subject): bool
    {
        if (! $subject instanceof Upload) {
            return false;
        }

        return in_array($attribute, [static::VIEW, static::DELETE, static::DOWNLOAD, static::CHECK]);
    }

    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
    {
        /** @var Upload $upload */
        $upload = $subject;

        // Administrative users have full access
        if (true === in_array('ROLE_ADMINISTRATIVE', $token->getRoleNames())) {
            // Only new documents may be checked
            if (static::CHECK === $attribute) {
                return in_array($upload->getStatus(), [Upload::STATUS_NEW, Upload::STATUS_PENDING]);
            }

            return true;
        }

        // Teamers may only access their own documents
        if (true === in_array($attribute, [static::VIEW, static::DELETE, static::DOWNLOAD])) {
            /** @var User $user */
            $user = $token->getUser();

            return $upload->getOwner() === $user;
        }

        return false;
    }
}