<?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\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use RuntimeException;
use Symfony\Component\Validator\Context\ExecutionContextInterface;

/**
 * @ORM\Entity
 * @ORM\Table(name="permission_groups")
 * @ORM\Cache(usage="NONSTRICT_READ_WRITE", region="acl_cache_region")
 */
class PermissionsGroup
{
    /**
     * @var string[]
     *
     * @ORM\Column(type="json")
     */
    private $flags = [];

    /**
     * @var Collection
     *
     * @ORM\OneToMany(
     *     targetEntity="Chill\MainBundle\Entity\GroupCenter",
     *     mappedBy="permissionsGroup"
     * )
     */
    private $groupCenters;

    /**
     * @var int
     *
     * @ORM\Id
     * @ORM\Column(name="id", type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=255)
     */
    private $name;

    /**
     * @var Collection
     *
     * @ORM\ManyToMany(
     *     targetEntity="Chill\MainBundle\Entity\RoleScope",
     *     inversedBy="permissionsGroups",
     * cascade={ "persist" })
     * @ORM\Cache(usage="NONSTRICT_READ_WRITE")
     */
    private $roleScopes;

    /**
     * PermissionsGroup constructor.
     */
    public function __construct()
    {
        $this->roleScopes = new \Doctrine\Common\Collections\ArrayCollection();
        $this->groupCenters = new \Doctrine\Common\Collections\ArrayCollection();
    }

    public function addRoleScope(RoleScope $roleScope)
    {
        $this->roleScopes->add($roleScope);
    }

    /**
     * @return string[]
     */
    public function getFlags()
    {
        return $this->flags;
    }

    /**
     * @return int
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * @return ArrayCollection|Collection
     */
    public function getRoleScopes()
    {
        return $this->roleScopes;
    }

    /**
     * Test that a role scope is associated only once
     * with the permission group.
     */
    public function isRoleScopePresentOnce(ExecutionContextInterface $context)
    {
        $roleScopesId = array_map(
            static function (RoleScope $roleScope) {
                return $roleScope->getId();
            },
            $this->getRoleScopes()->toArray()
        );
        $countedIds = array_count_values($roleScopesId);

        foreach ($countedIds as $id => $nb) {
            if (1 < $nb) {
                $context->buildViolation('A permission is already present '
                        . 'for the same role and scope')
                    ->addViolation();
            }
        }
    }

    /**
     * @throws RuntimeException if the roleScope could not be removed.
     */
    public function removeRoleScope(RoleScope $roleScope)
    {
        $result = $this->roleScopes->removeElement($roleScope);

        if (false === $result) {
            throw new RuntimeException(sprintf("The roleScope '%s' could not be removed, "
                    . 'aborting.', spl_object_hash($roleScope)));
        }
    }

    /**
     * @return $this
     */
    public function setFlags(array $flags)
    {
        $this->flags = $flags;

        return $this;
    }

    /**
     * @param $name
     *
     * @return $this
     */
    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }
}