<?php

namespace App\Http\Controllers\api\v4;

use App\CPU\CartManager;
use App\CPU\Helpers;
use App\Http\Controllers\Controller;
use App\Model\Cart;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
use function App\CPU\translate;

class CartController extends Controller
{

    public function cart(Request $request)
    {
        $user = Helpers::get_customer($request);
        $cart = Cart::with('product:id,name,slug,current_stock,minimum_order_qty,variation')
            ->where(['customer_id' => $user->id])
            ->get();

        if($cart) {
            foreach($cart as $key => $value){
                if(!isset($value['product'])){
                    $cart_data = Cart::find($value['id']);
                    $cart_data->delete();

                    unset($cart[$key]);
                }
            }

            $cart->map(function ($data) {
                $data['choices'] = json_decode($data['choices']);
                $data['variations'] = json_decode($data['variations']);

                $data['product']['total_current_stock'] = isset($data['product']['current_stock']) ? $data['product']['current_stock'] : 0;
                if (isset($data['product']['variation']) && !empty($data['product']['variation'])) {
                    $variants = json_decode($data['product']['variation']);
                    foreach ($variants as $var) {
                        if ($data['variant'] == $var->type) {
                            $data['product']['total_current_stock'] = $var->qty;
                        }
                    }
                }
                unset($data['product']['variation']);

                return $data;
            });
        }

        return response()->json($cart, 200);
    }

    public function add_to_cart(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'id' => 'required',
            'quantity' => 'required',
        ], [
            'id.required' => translate('Product ID is required!')
        ]);

        if ($validator->errors()->count() > 0) {
            return response()->json(['errors' => Helpers::error_processor($validator)]);
        }

        $cart = CartManager::add_to_cart($request);
        return response()->json($cart, 200);
    }

    public function update_cart(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'key' => 'required',
            'quantity' => 'required',
        ], [
            'key.required' => translate('Cart key or ID is required!')
        ]);

        if ($validator->errors()->count() > 0) {
            return response()->json(['errors' => Helpers::error_processor($validator)]);
        }

        $response = CartManager::update_cart_qty($request);
        return response()->json($response);
    }

    public function remove_from_cart(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'key' => 'required'
        ], [
            'key.required' => translate('Cart key or ID is required!')
        ]);

        if ($validator->errors()->count() > 0) {
            return response()->json(['errors' => Helpers::error_processor($validator)]);
        }

        $user = Helpers::get_customer($request);
        Cart::where(['id' => $request->key, 'customer_id' => $user->id])->delete();
        return response()->json(translate('successfully_removed'));
    }
    public function remove_all_from_cart(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'key' => 'required'
        ], [
            'key.required' => translate('Cart key or ID is required!')
        ]);

        if ($validator->errors()->count() > 0) {
            return response()->json(['errors' => Helpers::error_processor($validator)]);
        }

        $user = Helpers::get_customer($request);
        Cart::where(['customer_id' => $user->id])->delete();
        return response()->json(translate('successfully_removed'));
    }
}