<?php

declare(strict_types=1);

namespace App\Rules;

use Closure;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Support\Str;
use Illuminate\Support\Stringable;

class MaxStrippedLength implements ValidationRule
{
    public function __construct(
        protected int $max,
        protected bool $decodeEntities = true
    ) {
    }

    /** @param  Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail */
    public function validate(string $attribute, mixed $value, Closure $fail): void
    {
        if (! is_string($value)) {
            return;
        }

        $length = Str::of($value)
            ->stripTags()
            ->when(
                $this->decodeEntities,
                fn (Stringable $str) => $str->pipe(
                    fn (Stringable $s) => html_entity_decode(
                        $s->value(),
                        ENT_QUOTES | ENT_HTML5,
                        'UTF-8'
                    )
                )
            )
            ->replace("\r\n", "\n")
            ->trim()
            ->length('UTF-8');

        if ($length > $this->max) {
            $fail('validation.max.string')->translate([
                'attribute' => $attribute,
                'max'       => $this->max,
            ]);
        }
    }
}