<?php

declare(strict_types=1);

namespace App\Http\Requests\Admin;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

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

    /** @return array<string, array<int, mixed>> */
    public function rules(): array
    {
        $categoryId = $this->route('category')?->id;

        return [
            'name' => ['required', 'string', 'max:255'],
            'slug' => ['required', 'string', 'max:255', Rule::unique('knowledge_base_categories', 'slug')->ignore($categoryId)],
            'description' => ['nullable', 'string', 'max:5000'],
            'icon' => ['nullable', 'string', 'max:255'],
            'parent_id' => ['nullable', 'integer', Rule::exists('knowledge_base_categories', 'id')],
            'sort_order' => ['integer', 'min:0'],
            'is_visible' => ['boolean'],
        ];
    }

    /** @return array<string, string> */
    public function messages(): array
    {
        return [
            'name.required' => 'Category name is required.',
            'slug.required' => 'Category slug is required.',
            'slug.unique' => 'This slug is already in use.',
            'parent_id.exists' => 'The selected parent category does not exist.',
        ];
    }
}