<?php
namespace App\ServicePay;
use App\Models\Order;
use Illuminate\Support\Facades\Log;
use Ixudra\Curl\Facades\Curl;

class XinBaoYingPayServices implements PayApiInterface{
    use PayTrait;
    use ThirdPaySignTrait;
    public $gateway_list;//当前类型的支付通道列表
    public $pay_type;//支付类型
    public $pay_method;//支付方法
    public $pay_gateway;//当前的支付通道实例
    public $pay_config;//这个通道的支付配置信息
    public $order;
    public $request;
    public $gateway_id;
    public $pay_data;
    public $log_name;
    public $result_data;
    public static $result;


    //支付发起第一步：取得通道getGateway，随机通道，第二部配置支付信息，payConfig,第三部发起支付
    /**
     * 网关域名
     * @return string
     */
    private function getGateUrl(){
        return 'https://by.dm19.com';
    }
    //第二部配置支付信息，payConfig
    public function payConfig($type, $setConfig = [])
    {
        $config = [
            'url' => $this->getGateUrl() . '/order/order',
            'debug' => 1,//调试
            'logDir' => to_linux_path(storage_path() . '/logs/'),
            'mch_id' => $this->pay_gateway['app_id'], //客户交易者账号
            'token' => $this->pay_gateway['app_key'],
            'interface' => $this->pay_gateway['mch_id'],
            'return_url' => action('Pay\PayController@returnNotify', ['type' => $type]),
            'notify_url' => action('Pay\PayController@notify', ['type' => $type]),
        ];
        $this->pay_config = $config;
    }

    //统一下单支付
    public function pay($pay_data)
    {
        //商户号
        $accountId = $this->pay_config['mch_id'];
        //商户秘钥
        $key = $this->pay_config['token'];
        $payData = [
            'app_id' => $accountId,//商户
            'out_trade_sn' => strval($pay_data['out_trade_no']),//订单号 订单号由数字或者字母组成8-35位字符串
            'title' => $pay_data['subject'],
            'money' =>  number_format(intval($pay_data['total_amount']), 2), //金额单位为元
            'pay_type' => 'alipay',//$this->pay_gateway['mch_id'],//对应的三方通道
            'return_url' => strval($this->pay_config['return_url']),// //同步地址
            'notify_url' => strval($this->pay_config['notify_url']),// //异步回调地址
            'version' => 'v1',// //默认1.0
        ];
        $beforeMd5 = self::keySortMd5Filter($payData, ['title', 'version','pay_type']);
        $lower = strtolower($beforeMd5 . 'token=' . $key);

        $payData['sign'] = md5($lower);
        $this->debugLog('下单接口请求内容' . json_encode($payData, true), []);
        $res = Curl::to($this->pay_config['url'])->withData($payData)->post();
        return $res;
    }

    /**
     * 检查订单
     * @param $orderid
     * @return bool|string
     */
    private function checkOrder($orderid){
        $url = $this->getGateUrl() . '/pay/queryOrder';
        $payData = [
            'out_trade_sn' => $orderid,
            'app_id' => $this->pay_gateway['app_id'],
        ];
        //请求签名认证sign的生成： app_id , out_trade_sn(若有), order_sn(若有), token这些按照 键值升序排序，然后组合成地址url字符串，然后转换成小写，进行md5加密.
        $key = $this->pay_config['token'];
        $beforeMd5 = self::keySortMd5Filter($payData);
        $lower = strtolower($beforeMd5 . 'token=' . $key);
        $payData['sign'] = md5($lower);

        $this->debugLog('查询接口请求' . json_encode($payData, true) );
        $res = Curl::to($url)->withData($payData)->post();
        $res = is_array($res) ? $res : json_decode($res, 256);
        $this->debugLog('查询接口返回' . is_array($res) ? json_encode($res, true) : json_encode(json_decode($res, 256), true));

        if ($res['pay_status'] == 1) {
            if ($res['order_sn']==$orderid) {
                return true;
            }
        }
        return false;
    }

    //统一验证签名
    public function verify()
    {
        $para = $this->result_data;
        $sign = $para['sign'];
        unset($para['sign']);
        $token = $this->pay_config['token'];
        $sinArr = [
            'app_id' => $para['app_id'],
            'money' => $para['money'],
            'out_trade_sn' => $para['out_trade_sn'],
            'pay_status' => $para['pay_status'],
            'return_url' => $para['return_url'],
            'notify_url' => $para['notify_url'],
        ];

        $beforeMd5 = self::keySortMd5Filter($sinArr);
        $beforeMd5 = strtolower($beforeMd5 . 'token=' . $token);
        $md5sign = md5($beforeMd5);
        $md5sign=md5($token.$md5sign);
        if ($md5sign == $sign) {
            return true;
        } else {
            return false;
        }
    }

    //返回给支付商的成功
    public function success()
    {
        echo 'success';exit;
    }

    //统一回调处理

    /**
     * 回调第一部，如果是同步，直接回传
     * @param $return
     * @param $pay_type
     * @param $request
     * @return bool|\Illuminate\Http\RedirectResponse
     */
    public function notify($return, $pay_type, $request)
    {

        $this->setLogName($pay_type);
        Log::channel('pay_order')->info('回调原始数据', $request->all());
        $this->pay_type = $pay_type;

        $this->request = $request;
        //取得订单，是否有此订单，如果没有直接返回空
        $order_sn = $request->input('out_trade_sn');
        //检查回调订单状态
//        $checkresult = $this->checkIP();//检查回调IP
//        if (!$checkresult) {
////            return 'ip 不合法';
//        }
        //判断有没支付成功先，没有的话，直接就没有下一步了
        $pay_status = $request->input('pay_status');//1：已支付
        if (intval($pay_status) != 1) {
            $this->debugLog('订单支付失败', $this->request->all());
            return '订单支付失败';
        }
        //取得订单
        $this->getOrder($order_sn);

        $return = ($return) ? 1 : 0;
        if ($return) {

            //判断是否是商户id
            if ($this->order->merchant_id == 0) {
                return redirect()->route('web.user.index');
            }
            //
            return $this->merchantReturnSend();
        }
        //取得通道id
        $this->gateway = $this->pay_gateway = config('gateway.config')[$this->gateway_id];
        //dd($this->gateway);
        //取得支付配置
        $this->payConfig($this->pay_type);

        $this->result_data = $request->all();

        //检查三方的订单
//        $checkorder = $this->checkOrder($order_sn);
//        if (!$checkorder) {
//            $this->debugLog('三方订单未支付成功');
//            return '三方订单未支付成功';
//        }

        //dump($this->result_data);
        //进行验证签名
        if (!$this->verify()) {
            $this->debugLog('签名验证失败');
            return '签名验证失败';
        }

        return $this->payNotify();
    }


    /**
     * 同步回调
     * @return \Illuminate\Http\RedirectResponse
     */
    public function returnPay()
    {
        //判断是否是商户id
        if ($this->order->merchant_id == 0) {
            return redirect()->route('web.user.index');
        }
        //
        return $this->merchantReturnSend();
    }

    //异步回调

    /**
     * 获得通道信息，取得支付配置模型，验证签名，
     * @return bool|void
     */
    private function payNotify()
    {
        //取得通道信息内容
        //dd($this->result_data);

        $data = $this->result_data;
        $this->pay_data = $this->result_data;
        //如果应答状态不是01/A6表示支付失败
        $this->debugLog(json_encode($data,true));
        $this->debugLog('-------------' . $this->order->order_sn . '--选择----' . $this->pay_type . '----' . $this->pay_method . '----开始回调处理-------------------------');
        if (empty($data)) {
            return $this->debugLog('验证签名失败', $data);
        }
        try {
            $pay_cn_name = '';
            //统一格式化
            $this->unionHandle($data);
            //支付返回信息
            $this->pay_data = $data;
            $this->debugLog('验证签名成功,数据', $data);
            //更新订单
            $this->updateOrder();
            $this->debugLog('updateOrder Ok');

        } catch (\Exception $exception) {
            $this->debugLog('失败异常内容ddd：' . $exception->getMessage());
//            if (!in_array($data['respCode'], ['00', 'A6'])) {
//                $this->debugLog('订单支付失败', $this->request->all());
//                return '支付失败';//支付失败
//            }

            $this->order->notify_status = 1;//支付回调成功
            $this->order->pay_status = 1;//支付状态
            $this->order->pay_ok_at = date('Y-m-d H:i:s');
            $this->order->save();//保存
            Log::channel('pay_success')->info($pay_cn_name . '支付成功，但处理订单失败', ['data' => json_encode($data)]);

        }

    }

    /**
     * 统一格式化
     */
    public function unionHandle($data)
    {
        $result = [
            'order_sn' => $data['out_trade_sn'],//我方订单号
            'pay_order_sn' => $data['order_sn'],//三方的订单号
            'pay_money' => $data['money'],
            'pay_type' => $this->pay_type,
            'account' => ''
        ];

        $this->setResult($result);
        Log::channel('pay_success')->info('支付成功', [
            'pay_type' => $result['pay_type'], 'pay_money' => $result['pay_money'],
            'account' => $result['account'], 'order_sn' => $result['order_sn'],
            'pay_order_sn' => $result['pay_order_sn']]);

    }


    /**
     * 这个调试需要配置在config/logging.php
     * @param $pay_type
     */
    public function setLogName($pay_type)
    {
        $name = $pay_type;
        $this->log_name = $name;
    }
}