<?php

namespace Acme\DormerCalculation\Domain\Model\DormerCalculation;

use Acme\Calculation\Domain\Model\Meter;

/**
 * Class DormerInnerWidth
 * @package Acme\DormerCalculation\Domain\Model\DormerCalculation
 */
final class DormerInnerWidth
{
    const MIN_WIDTH = 60;
    const MAX_WIDTH = 1600;

    private $width;

    /**
     * DormerInnerWidth constructor.
     * @param int $width
     */
    private function __construct(int $width)
    {
        if ($width < self::MIN_WIDTH || $width > self::MAX_WIDTH) {
            throw new \DomainException(sprintf('Width `%s` is out of range.', $width));
        }

        $this->width = $width;
    }

    /**
     * @param float $meters
     * @return DormerInnerWidth
     */
    public static function fromMeters(float $meters) : DormerInnerWidth
    {
        return new self((int)($meters*100));
    }

    /**
     * @param int $centimeters
     * @return DormerInnerWidth
     */
    public static function fromCentimeters(int $centimeters) : DormerInnerWidth
    {
        return new self($centimeters);
    }

    /**
     * @return int
     */
    public function toCentimeters() : int
    {
        return $this->width;
    }

    /**
     * @return float
     */
    public function toMeters() : float
    {
        return number_format($this->width/100, Meter::METERS_DECIMALS, Meter::METERS_DECIMAL_SEPARATOR, Meter::METERS_THOUSAND_SEPARATOR);
    }
}