<?php

namespace _FancyAnimations\Spatie\Color;

class CIELab implements Color
{
    /** @var float */
    protected $l;
    protected $a;
    protected $b;
    public function __construct(float $l, float $a, float $b)
    {
        Validate::CIELabValue($l, 'l');
        Validate::CIELabValue($a, 'a');
        Validate::CIELabValue($b, 'b');
        $this->l = $l;
        $this->a = $a;
        $this->b = $b;
    }
    public static function fromString(string $string)
    {
        Validate::CIELabColorString($string);
        $matches = null;
        \preg_match('/CIELab\\( *(\\d{1,3}\\.?\\d* *, *-?\\d{1,3}\\.?\\d* *, *-?\\d{1,3}\\.?\\d*) *\\)/i', $string, $matches);
        $channels = \explode(',', $matches[1]);
        [$l, $a, $b] = \array_map('trim', $channels);
        return new static($l, $a, $b);
    }
    public function l() : float
    {
        return $this->l;
    }
    public function a() : float
    {
        return $this->a;
    }
    public function b() : float
    {
        return $this->b;
    }
    public function red() : int
    {
        $rgb = $this->toRgb();
        return $rgb->red();
    }
    public function blue() : int
    {
        $rgb = $this->toRgb();
        return $rgb->blue();
    }
    public function green() : int
    {
        $rgb = $this->toRgb();
        return $rgb->green();
    }
    public function toCIELab() : self
    {
        return new self($this->l, $this->a, $this->b);
    }
    public function toCmyk() : Cmyk
    {
        return $this->toRgb()->toCmyk();
    }
    public function toHex(string $alpha = 'ff') : Hex
    {
        return $this->toRgb()->toHex($alpha);
    }
    public function toHsb() : Hsb
    {
        return $this->toRgb()->toHsb();
    }
    public function toHsl() : Hsl
    {
        return $this->toRgb()->toHSL();
    }
    public function toHsla(float $alpha = 1) : Hsla
    {
        return $this->toRgb()->toHsla($alpha);
    }
    public function toRgb() : Rgb
    {
        return $this->toXyz()->toRgb();
    }
    public function toRgba(float $alpha = 1) : Rgba
    {
        return $this->toRgb()->toRgba($alpha);
    }
    public function toXyz() : Xyz
    {
        [$x, $y, $z] = Convert::CIELabValueToXyz($this->l, $this->a, $this->b);
        return new Xyz($x, $y, $z);
    }
    public function __toString() : string
    {
        return "CIELab({$this->l},{$this->a},{$this->b})";
    }
}
