<?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\BudgetBundle\Security\Authorization;

use Chill\BudgetBundle\Entity\AbstractElement;
use Chill\MainBundle\Security\Authorization\VoterHelperFactoryInterface;
use Chill\MainBundle\Security\Authorization\VoterHelperInterface;
use Chill\MainBundle\Security\ProvideRoleHierarchyInterface;
use Chill\PersonBundle\Entity\Household\Household;
use Chill\PersonBundle\Entity\Person;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\Voter\Voter;

class BudgetElementVoter extends Voter implements ProvideRoleHierarchyInterface
{
    final public const CREATE = 'CHILL_BUDGET_ELEMENT_CREATE';

    final public const DELETE = 'CHILL_BUDGET_ELEMENT_DELETE';

    final public const ROLES = [
        self::CREATE,
        self::DELETE,
        self::SEE,
        self::UPDATE,
    ];

    final public const SEE = 'CHILL_BUDGET_ELEMENT_SEE';

    final public const UPDATE = 'CHILL_BUDGET_ELEMENT_UPDATE';

    protected VoterHelperInterface $voter;

    public function __construct(VoterHelperFactoryInterface $voterFactory)
    {
        $this->voter = $voterFactory
            ->generate(self::class)
            ->addCheckFor(AbstractElement::class, self::ROLES)
            ->addCheckFor(Person::class, [self::CREATE, self::SEE])
            ->addCheckFor(Household::class, [self::CREATE, self::SEE])
            ->build();
    }

    public function getRoles(): array
    {
        return self::ROLES;
    }

    public function getRolesWithHierarchy(): array
    {
        return ['Budget elements' => self::ROLES];
    }

    public function getRolesWithoutScope(): array
    {
        return self::ROLES;
    }

    protected function supports($attribute, $subject)
    {
        return $this->voter->supports($attribute, $subject);
    }

    protected function voteOnAttribute($attribute, $subject, TokenInterface $token)
    {
        if (
            $subject instanceof Person
            || ($subject instanceof AbstractElement && null !== $person = $subject->getPerson())) {
            return $this->voter->voteOnAttribute($attribute, $person ?? $subject, $token);
        }

        if (
            $subject instanceof Household
            || ($subject instanceof AbstractElement && null !== $household = $subject->getHousehold())) {
            foreach (($household ?? $subject)->getCurrentPersons() as $person) {
                if ($this->voter->voteOnAttribute($attribute, $person, $token)) {
                    return true;
                }
            }

            return false;
        }

        throw new \UnexpectedValueException('This subject is not supported, or is an element not associated with person or household');
    }
}