<?php

namespace KupShop\PayPalCheckoutBundle\Controller;

use KupShop\KupShopBundle\Context\CountryContext;
use KupShop\KupShopBundle\Context\CurrencyContext;
use KupShop\KupShopBundle\Util\Logging\SentryLogger;
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\ProductionEnvironment;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
use PayPalCheckoutSdk\Orders\OrdersGetRequest;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

/**
 * !!!
 * composer require paypal/paypal-checkout-sdk.
 */
class PayPalCheckoutController extends AbstractController
{
    /** @var CurrencyContext */
    protected $currencyContext;

    /** @var CountryContext */
    protected $countryContext;

    /** @var SentryLogger */
    protected $logger;

    /** @var \PayPalCheckout */
    protected $payPalCheckout;

    public function __construct(
        CurrencyContext $currencyContext,
        CountryContext $countryContext,
        SentryLogger $logger,
    ) {
        $this->currencyContext = $currencyContext;
        $this->countryContext = $countryContext;
        $this->logger = $logger;
        \Payment::includeClass('PayPalCheckout');
        $this->payPalCheckout = new \PayPalCheckout();
        $this->payPalCheckout->loadConfig();
    }

    protected function createClient(): PayPalHttpClient
    {
        $config = $this->payPalCheckout->config;
        if (($config['mode'] ?? 'sandbox') === 'sandbox') {
            $environment = new SandboxEnvironment($config['clientID'], $config['secret']);
        } else {
            $environment = new ProductionEnvironment($config['clientID'], $config['secret']);
        }

        return new PayPalHttpClient($environment);
    }

    /**
     * @Route("/paypal-checkout/create-paypal-order/")
     *
     * @return Response
     */
    public function createPayPalOrder(Request $request, \Cart $cart)
    {
        $cart->load();
        $deliveryTypeID = $this->payPalCheckout->config['delivery_type_id'];

        $cart->setTransport($deliveryTypeID);
        // set street, email and country so cart does not break in case paypal fails
        $cart->updateAddresses(
            ['street' => 'street', 'email' => 'email@email.com'],
            ['country' => $this->countryContext->getActiveId()]
        );
        $step = 'delivery';
        $cart->findNextStep($step);
        $cart->actualStep = $step;
        $cart->save();
        $cart->createFromDB(); // TODO: accept also hidden delivery type

        try {
            $inStoreError = $cart->checkCartItems();
        } catch (\Exception $e) {
            $inStoreError = $e->getMessage();
        }
        if (!empty($inStoreError)) {
            $response = ['error' => $inStoreError];

            return new JsonResponse($response);
        }

        $price = number_format($cart->totalPricePay->asFloat(), 2, '.', '');
        $data = [
            'intent' => 'CAPTURE',
            'purchase_units' => [
                [
                    'amount' => [
                        'currency_code' => $this->currencyContext->getActiveId(),
                        'value' => $price,
                    ],
                ],
            ],
        ];

        $request = new OrdersCreateRequest();
        $request->prefer('return=representation');
        $request->body = $data;
        $response = $this->createClient()->execute($request);

        return new JsonResponse($response);
    }

    /**
     * @Route("/paypal-checkout/capture-paypal-order/{paypalOrderID}/")
     *
     * @return Response
     */
    public function capturePayPalOrder(string $paypalOrderID, Request $request, \Cart $cart)
    {
        $client = $this->createClient();
        $cart->load();
        $cart->createFromDB();

        $orderGetResponse = $client->execute(new OrdersGetRequest($paypalOrderID));
        if (($orderGetResponse->result->status ?? false) === 'APPROVED') {
            $address = $orderGetResponse->result->purchase_units[0]->shipping->address;
            $tmpLine1 = explode(' ', $address->address_line_1);
            $house = count($tmpLine1) > 1 ? array_pop($tmpLine1) : '';
            $street = implode(' ', $tmpLine1);
            $invoice = [
                'email' => $orderGetResponse->result->payer->email_address,
                'gender' => 'male',
                'name' => $orderGetResponse->result->payer->name->given_name,
                'surname' => $orderGetResponse->result->payer->name->surname,
                'phone' => $orderGetResponse->result->payer->phone->phone_number ?? '',
                'zip' => $address->postal_code,
                'city' => $address->admin_area_2,
                'street' => $street,
                'house' => $house,
                'country' => $address->country_code,
            ];
            $invoice['phone'] = empty($invoice['phone']) ? '123456789' : $invoice['phone'];
            $delivery = $invoice;
            $delivery['street'] = $address->address_line_1;
            unset($delivery['email'], $delivery['gender']);
            $cart->updateAddresses($invoice, $delivery);

            $order = $cart->submitOrder();

            if (!$order instanceof \Order) {
                $this->logger->captureMessage('PayPal Checkout: Failed to create kupshop order for PayPal order '.$paypalOrderID.': submitOrder() result '.json_encode($order));
                addUserMessage('Failed to create order', 'danger');
                redirection(createScriptURL(['s' => 'cart']));
            }

            // create kupshop order payment
            $price = \Decimal::create($orderGetResponse->result->purchase_units[0]->amount->value);
            $this->payPalCheckout->setOrder($order);
            $this->payPalCheckout->createPayment($orderGetResponse->result->id, $price, [
                'PayPalCheckoutController' => true,
                'result' => $orderGetResponse,
            ]);

            // capture paypal order
            $captureResponse = $client->execute(new OrdersCaptureRequest($paypalOrderID));
            if (($captureResponse->result->status ?? false) === 'COMPLETED') {
                // capture succeeded
                if (!$this->payPalCheckout->setStatus(\Payment::STATUS_FINISHED, $orderGetResponse->result->id)) {
                    $this->logger->captureMessage('setStatus failed!');
                    throw new \Exception('Set status failed');
                }
                // redirect to order detail
                $this->payPalCheckout->success(translate('paymentSuccess', 'payment'));
            }

            // payment storno
            if (!$this->payPalCheckout->setStatus(\Payment::STATUS_STORNO, $orderGetResponse->result->id)) {
                $this->logger->captureMessage('setStatus failed!');
                throw new \Exception('Set status failed');
            }
            // redirect to order detail
            $this->payPalCheckout->error(translate('payment_storno', 'payment'));
        }

        $this->logger->captureMessage('PayPal Checkout: PayPal order '.$paypalOrderID.' not APPROVED!');
        addUserMessage('Failed to create order', 'danger');
        redirection(createScriptURL(['s' => 'cart']));
    }
}