<?php

namespace App\World;

class World
{
    protected $width;
    protected $height;
    protected $name;

    public function __construct(int $width, int $height, ?string $name = null)
    {
        $this->width($width);
        $this->height($height);

        if (!$name) {
            $name = $this->generateName();
        }

        $this->name($name);
    }

    public function width(int $width = null): int|World
    {
        if ($width) {
            $this->width = $width;
            return $this;
        }

        return $this->width;
    }

    public function height(int $height = null): int|World
    {
        if ($height) {
            $this->height = $height;
            return $this;
        }

        return $this->height;
    }

    public function name(string $name = null): string|World
    {
        if ($name) {
            $this->name = $name;
            return $this;
        }

        return $this->name;
    }

    protected function generateName()
    {
        return uniqid('world');
    }
}