<?php

namespace App\Casts;

use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
use Illuminate\Database\Eloquent\Model;

class HtmlColor implements CastsAttributes
{
    /**
     * Cast the given value.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @param string                              $key
     * @param mixed                               $value
     * @param array<string,mixed>                 $attributes
     * @return mixed
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceAfterLastUsed
     */
    public function get(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        // phpcs:enable
        return '#' . $this->zeropad(dechex($value), 6);
    }

    /**
     * Prepare the given value for storage.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @param string                              $key
     * @param mixed|null                          $value
     * @param array<string,mixed>                 $attributes
     * @return mixed
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceBeforeLastUsed
     * @phpcs:disable Generic.CodeAnalysis.UnusedFunctionParameter.FoundInImplementedInterfaceAfterLastUsed
     */
    public function set(Model $model, string $key, mixed $value, array $attributes): mixed
    {
        // phpcs:enable
        return \intval(hexdec(ltrim($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);
    }
}