<?php
namespace App\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping\Entity;
use Doctrine\ORM\Mapping\JoinColumn;
use Doctrine\ORM\Mapping\ManyToOne;
use Doctrine\ORM\Mapping\OneToMany;
use Doctrine\ORM\Mapping\OneToOne;

#[Entity]
class Prefecture extends Thing
{

    #[OneToOne()]
    #[JoinColumn(onDelete: 'cascade', nullable: false)]
    public City $capital;

    #[ManyToOne()]
    #[JoinColumn(onDelete: 'cascade', nullable: false)]
    public Country $country;

    /** @var Village[] */
    #[OneToMany(targetEntity: Village::class, mappedBy: 'prefecture')]
    #[JoinColumn(onDelete: 'cascade', nullable: false)]
    public iterable $villages;

    // FIXME:Shortcut to its users?
    public function __construct()
    {
        $this->villages = new ArrayCollection();
    }

    public function getCapital(): ?City
    {
        return $this->capital;
    }

    public function setCapital(City $capital): static
    {
        $this->capital = $capital;

        return $this;
    }

    public function getCountry(): ?Country
    {
        return $this->country;
    }

    public function setCountry(?Country $country): static
    {
        $this->country = $country;

        return $this;
    }

    /**
     * @return Collection<int, Village>
     */
    public function getVillages(): Collection
    {
        return $this->villages;
    }

    public function addVillage(Village $village): static
    {
        if (!$this->villages->contains($village)) {
            $this->villages->add($village);
            $village->setPrefecture($this);
        }

        return $this;
    }

    public function removeVillage(Village $village): static
    {
        if ($this->villages->removeElement($village)) {
            // set the owning side to null (unless already changed)
            if ($village->getPrefecture() === $this) {
                $village->setPrefecture(null);
            }
        }

        return $this;
    }
}