<?php

declare(strict_types=1);

namespace App\Service;

use App\Exception\BusinessException;
use App\Helper\Efps\Api;
use App\Helper\Efps\Result;
use App\Helper\Redis;
use App\Helper\RedisKey;
use App\Model\App;
use App\Model\Order;
use App\Model\RefundOrder;
use App\Request\ProtocolPayConfirmRequest;
use App\Request\ProtocolPayPreRequest;

class PaymentService extends AbstractService
{
    public function createOrder(App $app, array $params) {
        $order = new Order();
        $order->app_id = $app->app_id;
        $order->out_order_no = $params['outTradeNo'] ?: '';
        $order->amount = $params['payAmount'] ?: 0;
        $order->notify_url = $params['notifyUrl'] ?: '';
        $order->order_info = json_encode($params['orderInfo'] ?: [], JSON_UNESCAPED_UNICODE);
        return $order;
    }

    public function handlePayResult(Result $result, Order $order) {
        if ($result->get('payState') === '00') {
            $order->status = Order::STATUS_PAYED;
            $order->fee = $result->get('procedureFee', 0);
            $order->pay_order_no = $result->get('transactionNo', '');
            $order->channel_order_no = $result->get('channelOrder', '');
            $order->payed_at = date('Y-m-d H:i:s');
            $order->save();
        } elseif ($result->get('payState') === '01') {
            $order->status = Order::STATUS_FAILED;
            $order->error_code = '01';
            $order->error_msg = '支付失败';
            $order->payed_at = date('Y-m-d H:i:s');
            $order->save();
        }
    }

    public function handleRefundResult(Result $result, RefundOrder $order) {
        if ($result->get('refundState') === '00') {
            $order->status = RefundOrder::STATUS_REFUND_SUCCESS;
            $order->fee = $result->get('procedureFee', 0);
            $order->refunded_at = date('Y-m-d H:i:s');
            $order->save();
        } elseif ($result->get('refundState') === '01') {
            $order->status = RefundOrder::STATUS_REFUND_FAILED;
            $order->error_code = '01';
            $order->error_msg = '处理失败';
            $order->refunded_at = date('Y-m-d H:i:s');
            $order->save();
        }
    }

    private function generateOrderNo() {
        $now = time();
        $key = RedisKey::getGenerateOrderNoKey($now);
        $incrId = Redis::incr($key);
        $incrId = '' . $incrId;
        Redis::expire($key, 5*60);
        $padLength = 6 - strlen($incrId);
        $incrId = str_pad($incrId, $padLength, '0', STR_PAD_LEFT);
        return date('YmdHis', $now) . $incrId;
    }

    public function protocolPayPreRequest($params)
    {
        $req = new ProtocolPayPreRequest($params);
        $app = $req->getApp();
        $data = $req->getData();
        $result = Api::protocolPayPre($data);

        $order = $this->createOrder($app, $data);

        if (!$result->isSuccess()) {
            $order->status = Order::STATUS_APPLY_FAIL;
            $order->save();
            throw new BusinessException($result->getMessage());
        }
        $order->token = $result->get('token', '');
        $order->protocol = $result->get('protocol', '');
        $order->status = Order::STATUS_WAIT_PAY;
        $order->save();
        return $result->getData();
    }

    public function protocolPayConfirm($params)
    {
        $req = new ProtocolPayConfirmRequest($params);
        $app = $req->getApp();
        $data = $req->getData();
        $order = Order::where('app_id', $app->app_id)
            ->where('token', $data['token'])
            ->where('protocol', $data['protocol'])
            ->first();
        if (!$order) {
            throw new BusinessException('订单不存在');
        }
        $result = Api::protocolPayConfirm($req->getData());
        if (!$result->isSuccess()) {
            $order->status = Order::STATUS_FAILED;
            $order->error_code = $result->getCode();
            $order->error_msg = $result->getMessage();
            $order->payed_at = date('Y-m-d H:i:s');
            $order->save();
            throw new BusinessException($result->getMessage());
        }

        // 00 01 03
        $this->handlePayResult($result, $order);
        return $result->getData();
    }
}