<?php

declare(strict_types=1);

namespace App\Http\Requests\Admin;

use App\Models\Category;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class CategoryRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        $categoryId = $this->route('category')?->id;

        return [
            'type' => ['required', Rule::in($this->typeOptions())],
            'name' => ['required', 'string', 'max:120'],
            'slug' => ['required', 'string', 'max:190', Rule::unique('categories', 'slug')->ignore($categoryId)],
            'description' => ['nullable', 'string'],
            'is_active' => ['nullable', 'boolean'],
        ];
    }

    /**
     * @return array<int, string>
     */
    private function typeOptions(): array
    {
        $defaults = ['tool', 'model', 'news', 'guide'];
        $existing = Category::query()->distinct()->pluck('type')->filter()->values()->all();

        return array_values(array_unique([...$defaults, ...$existing]));
    }
}