<?php

namespace App\Http\Controllers\Gateway;

use App\Models\Payment;
use Auth;
use GuzzleHttp\Client;
use Illuminate\Http\JsonResponse;
use Log;
use Response;

class BitpayX extends AbstractPayment
{

    public function purchase($request): JsonResponse
    {
        $payment = $this->creatNewPayment(
            Auth::id(),
            $request->input('id'),
            $request->input('amount')
        );

        $data   = [
            'merchant_order_id' => $payment->trade_no,
            'price_amount'      => $payment->amount,
            'price_currency'    => 'CNY',
            'title'             => '支付单号：' . $payment->trade_no,
            'description'       => sysConfig('subject_name') ?: sysConfig(
                'website_name'
            ),
            'callback_url'      => (sysConfig(
                    'website_callback_url'
                ) ?: sysConfig(
                    'website_url'
                )) . '/callback/notify?method=bitpayx',
            'success_url'       => sysConfig('website_url') . '/invoices',
            'cancel_url'        => sysConfig('website_url') . '/invoices',
            'token'             => $this->sign($payment->trade_no),
        ];
        $result = $this->sendRequest($data);

        if ($result['status'] === 200 || $result['status'] === 201) {
            $result['payment_url'] .= '&lang=zh';
            $payment->update(['url' => $result['payment_url']]);

            return Response::json(
                [
                    'status'  => 'success',
                    'url'     => $result['payment_url'],
                    'message' => '创建订单成功!',
                ]
            );
        }

        Log::error('创建订单错误：' . var_export($result, true));

        return Response::json(
            ['status' => 'fail', 'message' => '创建订单失败!' . $result['error']]
        );
    }

    private function sign($tradeNo): string
    {
        $data = [
            'merchant_order_id' => $tradeNo,
            'secret'            => sysConfig('bitpay_secret'),
            'type'              => 'FIAT',
        ];

        return $this->aliStyleSign($data, sysConfig('bitpay_secret'));
    }

    private function sendRequest($data, $type = 'createOrder')
    {
        $client = new Client(
            [
                'base_uri' => 'https://api.mugglepay.com/v1/',
                'timeout'  => 15,
                'headers'  => [
                    'token'        => sysConfig('bitpay_secret'),
                    'content-type' => 'application/json',
                ],
            ]
        );

        if ($type === 'query') {
            $request = $client->get(
                'orders/merchant_order_id/status?id=' . $data['merchant_order_id']
            );
        } else {// Create Order
            $request = $client->post('orders', ['body' => json_encode($data)]);
        }
        if ($request->getStatusCode() !== 200) {
            Log::error('BitPayX请求支付错误：' . var_export($request, true));
        }

        return json_decode($request->getBody(), true);
    }

    //Todo: Postman虚拟测试通过，需要真实数据参考验证
    public function notify($request): void
    {
        $tradeNo = $request->input(['merchant_order_id']);
        if ($request->input(['status']) === 'PAID' && hash_equals(
                $this->sign($tradeNo),
                $request->input(['token'])
            )) {
            $payment = Payment::whereTradeNo($tradeNo)->first();
            if ($payment) {
                $ret = $payment->order->update(['status' => 2]);
                if ($ret) {
                    exit(json_encode(['status' => 200]));
                }
            }
        }
        exit(json_encode(['status' => 400]));
    }

}