<?php

/*
 * Chill is a software for social workers
 *
 * Copyright (C) 2021, Champs Libres Cooperative SCRLFS,
 * <http://www.champs-libres.coop>, <info@champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Chill\PersonBundle\Entity\AccompanyingPeriod;

use Chill\PersonBundle\Entity\AccompanyingPeriod;
use Chill\PersonBundle\Entity\AccompanyingPeriod\Comment;
use Chill\PersonBundle\Entity\Person;
use Chill\PersonBundle\Repository\AccompanyingPeriod\ResourceRepository;
use Chill\ThirdPartyBundle\Entity\ThirdParty;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
use Symfony\Component\Serializer\Annotation\Groups;

/**
 * @ORM\Entity(repositoryClass=ResourceRepository::class)
 * @ORM\Table(name="chill_person_accompanying_period_resource")
 * @DiscriminatorMap(typeProperty="type", mapping={
 *   "accompanying_period_resource"=Resource::class
 *  })
 */
class Resource
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     * @Groups({"read"})
     */
    private $id;

    /**
     * @ORM\ManyToOne(
     *     targetEntity="Chill\PersonBundle\Entity\AccompanyingPeriod",
     *     inversedBy="resources"
     * )
     * @ORM\JoinColumn(nullable=false)
     */
    private $accompanyingPeriod;

    /**
     * @ORM\ManyToOne(targetEntity=ThirdParty::class)
     * @ORM\JoinColumn(nullable=true)
     */
    private $thirdParty;

    /**
     * @ORM\ManyToOne(targetEntity=Person::class)
     * @ORM\JoinColumn(nullable=true)
     */
    private $person;

    /**
     * @ORM\ManyToOne(targetEntity=Comment::class)
     * @ORM\JoinColumn(nullable=true)
     */
    private $comment;

    public function getId(): ?int
    {
        return $this->id;
    }

    public function getAccompanyingPeriod(): ?AccompanyingPeriod
    {
        return $this->accompanyingPeriod;
    }

    public function setAccompanyingPeriod(?AccompanyingPeriod $accompanyingPeriod): self
    {
        $this->accompanyingPeriod = $accompanyingPeriod;

        return $this;
    }

    public function getThirdParty(): ?ThirdParty
    {
        return $this->thirdParty;
    }

    private function setThirdParty(?ThirdParty $thirdParty): self
    {
        $this->thirdParty = $thirdParty;

        return $this;
    }

    public function getPerson(): ?Person
    {
        return $this->person;
    }

    private function setPerson(?Person $person): self
    {
        $this->person = $person;

        return $this;
    }

    public function getComment(): ?Comment
    {
        return $this->comment;
    }

    public function setComment(?Comment $comment): self
    {
        $this->comment = $comment;

        return $this;
    }

    /**
     *
     * @param $resource Person|ThirdParty
     */
    public function setResource($resource): self
    {
        if ($resource instanceof ThirdParty) {
            $this->setThirdParty($resource);
            $this->setPerson(NULL);
        } elseif ($resource instanceof Person) {
            $this->setPerson($resource);
            $this->setThirdParty(NULL);
        } elseif (NULL === $resource) {
            $this->setPerson(NULL);
            $this->setThirdParty(NULL);
        } else {
            throw new \UnexpectedValueException(sprintf("the resource ".
                "should be an instance of %s or %s", Person::class,
                ThirdParty::class));
        }

        return $this;
    }
    
    
    /**
     * @return ThirdParty|Person
     * @Groups({"read", "write"})
     */
    public function getResource()
    {
        return $this->person ?? $this->thirdParty;
    }
}