<?php
namespace App\Entity;

use Doctrine\ORM\Mapping\Column;
use Doctrine\ORM\Mapping\Entity;
use Doctrine\ORM\Mapping\JoinColumn;
use Doctrine\ORM\Mapping\OneToOne;

#[Entity]
class Technique extends Thing
{

    /**
     * For now we calculate costs for mastering a technique.
     */
    #[Column]
    public int $costs;

    /**
     * Forumula to calculate the damage based on the stats.
     */
    #[Column]
    public string $damage;

    /**
     * Forumula to calculate the damage based on the stats.
     */
    #[Column]
    public string $energy;

    /**
     * Forumula to calculate the damage based on the stats.
     */
    #[Column]
    public string $accuracy;

    /**
     * Technique that is required to be learned before this Technique.
     */
    #[OneToOne()]
    #[JoinColumn(onDelete: 'SET NULL', nullable: true)]
    public ?Technique $prerequisite;

    public function getCosts(): ?int
    {
        return $this->costs;
    }

    public function setCosts(int $costs): static
    {
        $this->costs = $costs;

        return $this;
    }

    public function getDamage(): ?string
    {
        return $this->damage;
    }

    public function setDamage(string $damage): static
    {
        $this->damage = $damage;

        return $this;
    }

    public function getEnergy(): ?string
    {
        return $this->energy;
    }

    public function setEnergy(string $energy): static
    {
        $this->energy = $energy;

        return $this;
    }

    public function getAccuracy(): ?string
    {
        return $this->accuracy;
    }

    public function setAccuracy(string $accuracy): static
    {
        $this->accuracy = $accuracy;

        return $this;
    }

    public function getPrerequisite(): ?self
    {
        return $this->prerequisite;
    }

    public function setPrerequisite(?self $prerequisite): static
    {
        $this->prerequisite = $prerequisite;

        return $this;
    }
}