<?php

namespace App\Casts;

use Illuminate\Contracts\Database\Eloquent\CastsAttributes;

/**
 * Custom cast Html Color
 * https://laravel.com/docs/8.x/eloquent-mutators#custom-casts
 */
//phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceAfterLastUsed
//phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
class HtmlColor implements CastsAttributes
{
    /**
     * Cast the given value.
     *
     * @param  Model  $model
     * @param  string $key
     * @param  mixed  $value
     * @param  array  $attributes
     * @return string
     * @phpcs:disable Squiz.Commenting.FunctionComment.TypeHintMissing
     * @phpcs:disable Squiz.Commenting.FunctionComment.ScalarTypeHintMissing
     */
    public function get($model, $key, $value, $attributes)
    {
        return "#" . $this->zeropad(dechex($value), 6);
    }

    /**
     * Prepare the given value for storage.
     *
     * @param  Model  $model
     * @param  string $key
     * @param  mixed  $value
     * @param  array  $attributes
     * @return integer
     */
    public function set($model, $key, $value, $attributes)
    {
        return \intval(hexdec(ltrim($value, '#')));
    }

    /**
     * Pad with zeros a numeric string
     *
     * @param string  $num
     * @param integer $lim
     * @return string
     */
    private function zeropad(string $num, int $lim): string
    {
        return (strlen($num) >= $lim) ? $num : $this->zeropad("0" . $num, $lim);
    }
}