<?php

namespace App\Http\Controllers;

use App\Http\Resources\FavouriteProductResource;
use App\Models\FavouriteProduct;
use App\Models\Product;
use App\Models\User;
use Illuminate\Http\Request;

class FavouriteProductController extends Controller
{
    public function index()
    {
        return FavouriteProductResource::collection(FavouriteProduct::all());
    }

    public function toggle(Request $request, Product $product)
    {
        /**
         * @var User $user
         */
        $user = $request->user();

        $changes = $user->favoriteProducts()->toggle($product);

        // If changes has any item, that means a product has been attached.
        $isFavorite = count($changes['attached']) > 0;

        return response()->json([
            'message' => $isFavorite ? 'Product added to favorites' : 'Product removed from favorites',
            'isFavorite' => $isFavorite,
        ]);
    }
}