<?php

namespace Longyi\Pay\AwxKlarna\Http\Controllers;

use Webkul\Checkout\Facades\Cart;
use Webkul\Sales\Models\Order;
use Webkul\Sales\Repositories\OrderRepository;
use Webkul\Sales\Transformers\OrderResource;
use Longyi\Pay\AwxKlarna\Payment\AwxKlarna;

class KlarnaController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct(
        protected OrderRepository $orderRepository,
        protected AwxKlarna $awxKlarna,
    ) {}

    /**
     * Redirects to the klarna.
     *
     * @return \Illuminate\View\View
     */
    public function placeOrder()
    {
        $cart = Cart::getCart();
        $data = (new OrderResource($cart))->jsonSerialize();
        $order = $this->orderRepository->create($data);
        Cart::deActivateCart();
        session()->flash('order_id', $order->id);
        return view('AwxKlarna::standard-redirect', ['order' => $order]);
    }

    public function redirect()
    {
        $orderId = request()->input('orderId');
        if (!$orderId) {
            return response()->json([
                'error' => 'Order ID is required'
            ], 400);
        }
        $order = $this->orderRepository->find($orderId);
        if (!$order) {
            return response()->json([
                'error' => 'Order not found'
            ], 404);
        }
        if ($order->status != Order::STATUS_PENDING) {
            return response()->json([
                'error' => 'No payment required for the order'
            ], 404);
        }
        $cartData = [
            'shipping_address' => $order->shipping_address ? $order->shipping_address->toArray() : [],
            'billing_address' => $order->billing_address ? $order->billing_address->toArray() : [],
            'grand_total' => $order->grand_total,
            'order_currency_code' => $order->order_currency_code,
            'customer_email' => $order->customer_email,
            'customer_first_name' => $order->customer_first_name,
            'customer_last_name' => $order->customer_last_name
        ];
        try {
            $checkoutUrl = $this->awxKlarna->createPayment($cartData, [
                'merchantOrderId' => $order->id
            ]);
            if (!$checkoutUrl) {
                throw new \Exception('Failed to get checkout URL from Airwallex');
            }
            return redirect()->away($checkoutUrl);
        } catch (\Exception $e) {
            return response()->json([
                'error' => 'Payment initialization failed: ' . $e->getMessage()
            ], 500);
        }
    }
    /**
     * Success payment.
     *
     * @return \Illuminate\Http\Response
     */
    public function return()
    {
        $awxReturnResult = request()->input('awx_return_result');
        $orderId = request()->input('orderId');
        if ($awxReturnResult == 'success') {
            return redirect()->to('/paymentresult/success?orderId=' . $orderId);
        } else if ($awxReturnResult == 'cancel') {
            return redirect()->to('/paymentresult/cancel?orderId=' . $orderId);
        } else {
            return redirect()->to('/paymentresult/failure?orderId=' . $orderId);
        }
    }

    public function hook()
    {
        $param = @file_get_contents('php://input');
        $header = $this->getAllHeaders();
        $data = [
            'timestamp' => $header['x-timestamp'],
            'signature' => $header['x-signature'],
            'content' => $param
        ];
        $result = $this->awxKlarna->checkSignature($data, 'secret');
        if (!$result) {
            @header("HTTP/1.0 400 Bad Request");
            exit;
        }
        $notifyData = json_decode($param, true);
        $orderNo = $notifyData['data']['object']['merchant_order_id'] ?: 0;
        if (empty($orderNo)) {
            @header("HTTP/1.0 400 Bad Request");
            exit;
        }
        $prefix = $this->awxKlarna->getPrefix();
        if (strpos($orderNo, $prefix) === false) {
            @header("HTTP/1.0 200 ok");
            exit;
        }
        $type = $notifyData['name'];
        $orderId = str_replace($prefix, '', $orderNo);
        $transactionId = $notifyData['data']['object']['id'] ?: '';
        $eventType = "payments_webhook_" . strtolower(str_replace(".", "_", $type));
        $this->awxKlarna->$eventType($orderId, $transactionId);
    }

}