<?php

namespace App\Http\Controllers;

use App\Models\PowerCategory;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
use Illuminate\Foundation\Validation\ValidatesRequests;
use Illuminate\Routing\Controller as BaseController;

class PowerCategoryController extends BaseController
{
    use AuthorizesRequests, ValidatesRequests;

    public function __construct()
    {
        // store / update / destroy pro přihlášené
        $this->middleware('auth:sanctum')->only(['store', 'update', 'destroy']);
    }

    /**
     * Seznam power kategorií.
     */
    public function index(Request $request): JsonResponse
    {
        $perPage = (int) $request->get('per_page', 50);

        $items = PowerCategory::query()
            ->orderBy('order')
            ->paginate($perPage);

        return response()->json($items);
    }

    /**
     * Vytvoření nové power kategorie.
     * Autorizace přes PowerCategoryPolicy@create.
     */
    public function store(Request $request): JsonResponse
    {
        $this->authorize('create', PowerCategory::class);

        $data = $this->validateData($request);

        $item = PowerCategory::create($data);

        return response()->json($item, 201);
    }

    /**
     * Detail power kategorie.
     */
    public function show(PowerCategory $power_category): JsonResponse
    {
        return response()->json($power_category);
    }

    /**
     * Aktualizace power kategorie (partial update).
     * Autorizace přes PowerCategoryPolicy@update.
     */
    public function update(Request $request, PowerCategory $power_category): JsonResponse
    {
        $this->authorize('update', $power_category);

        $data = $this->validateData($request, partial: true);

        $power_category->fill($data);
        $power_category->save();

        return response()->json($power_category);
    }

    /**
     * Smazání power kategorie.
     * Autorizace přes PowerCategoryPolicy@delete.
     */
    public function destroy(PowerCategory $power_category): JsonResponse
    {
        $this->authorize('delete', $power_category);

        $power_category->delete();

        return response()->json(null, 204);
    }

    /**
     * Validace dat pro store / update.
     */
    protected function validateData(Request $request, bool $partial = false): array
    {
        $required = $partial ? 'sometimes' : 'required';

        return $request->validate([
            'name'        => [$required, 'string', 'max:255'],
            'order'       => [$required, 'integer'],
            'power_level' => [$required, 'integer'],
        ]);
    }
}