<?php

/**
 * 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.
 */

declare(strict_types=1);

namespace Chill\PersonBundle\Entity\AccompanyingPeriod;

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

/**
 * **About denormalization**: this operation is operated by @see{AccompanyingPeriodResourdeNormalizer}.
 *
 * @ORM\Entity
 * @ORM\Table(
 *     name="chill_person_accompanying_period_resource",
 *     uniqueConstraints={
 *         @ORM\UniqueConstraint(name="person_unique", columns={"person_id", "accompanyingperiod_id"}),
 *         @ORM\UniqueConstraint(name="thirdparty_unique", columns={"thirdparty_id", "accompanyingperiod_id"})
 *     }
 * )
 * @DiscriminatorMap(typeProperty="type", mapping={
 *     "accompanying_period_resource": Resource::class
 * })
 */
class Resource
{
    /**
     * @ORM\ManyToOne(
     *     targetEntity="Chill\PersonBundle\Entity\AccompanyingPeriod",
     *     inversedBy="resources"
     * )
     * @ORM\JoinColumn(nullable=false)
     */
    private ?AccompanyingPeriod $accompanyingPeriod = null;

    /**
     * @ORM\Column(type="text", nullable=true)
     * @Groups({"read"})
     */
    private ?string $comment = '';

    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     * @Groups({"read", "docgen:read"})
     */
    private ?int $id = null;

    /**
     * @ORM\ManyToOne(targetEntity=Person::class)
     * @ORM\JoinColumn(nullable=true)
     * @Groups({"docgen:read"})
     */
    private ?Person $person = null;

    /**
     * @ORM\ManyToOne(targetEntity=ThirdParty::class)
     * @ORM\JoinColumn(nullable=true)
     * @Groups({"docgen:read"})
     */
    private ?ThirdParty $thirdParty = null;

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

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

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

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

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

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

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

        return $this;
    }

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

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

        return $this;
    }

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

        return $this;
    }
}