package org.yeshi.utils.alipay;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.*;
import com.alipay.api.response.AlipayDataDataserviceBillDownloadurlQueryResponse;
import com.alipay.api.response.AlipayTradeCancelResponse;
import com.alipay.api.response.AlipayTradeQueryResponse;
import com.alipay.api.response.AlipayTradeRefundResponse;
import net.sf.json.JSONObject;
import org.yeshi.utils.StringUtil;
import org.yeshi.utils.TimeUtil;
import org.yeshi.utils.entity.alipay.AlipayAppInfo;

import java.io.IOException;
import java.math.BigDecimal;
import java.util.Date;
import java.util.Map;

/**
 * 支付宝H5支付
 */
public class AlipayH5PayUtil {

    private static AlipayClient getAlipayClient(AlipayAppInfo app) {
        AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do", app.getAppId(), app.getPrivateKey(), "json", "GBK", app.getAlipayPublicKey(), "RSA2"); //获得初始化的AlipayClient
        return alipayClient;
    }


    /**
     * 创建订单(支付宝API为https://opendocs.alipay.com/apis/api_1/alipay.trade.wap.pay)
     *
     * @param app
     * @param orderNo
     * @param money
     * @param goodsTitle
     * @param returnUrl
     * @param notifyUrl
     * @return
     */

    public static String createOrderForm(AlipayAppInfo app, String orderNo, BigDecimal money, String goodsTitle, String returnUrl, String notifyUrl) throws AlipayApiException {
        AlipayClient alipayClient = getAlipayClient(app);
        AlipayTradeWapPayRequest alipayRequest = new AlipayTradeWapPayRequest();//创建API对应的request
        alipayRequest.setReturnUrl(returnUrl);
        alipayRequest.setNotifyUrl(notifyUrl);//在公共参数中设置回跳和通知地址
        JSONObject bizContent = new JSONObject();
        bizContent.put("out_trade_no", orderNo);
        bizContent.put("total_amount", money);
        bizContent.put("subject", goodsTitle);
        bizContent.put("product_code", "QUICK_WAP_PAY");
        alipayRequest.setBizContent(bizContent.toString());//填充业务参数
        String form = alipayClient.pageExecute(alipayRequest).getBody(); //调用SDK生成表单


        return form;
    }

    /**
     * 订单查询
     *
     * @param app
     * @param outTradeNo
     * @param alipayTradeNo
     * @return
     * @throws AlipayApiException
     */
    public static AlipayTradeQueryResponse queryOrder(AlipayAppInfo app, String outTradeNo, String alipayTradeNo) throws AlipayApiException {
        AlipayClient alipayClient = getAlipayClient(app);
        AlipayTradeQueryRequest request = new AlipayTradeQueryRequest(); //创建API对应的request类
        JSONObject content = new JSONObject();
        if (!StringUtil.isNullOrEmpty(outTradeNo)) {
            content.put("out_trade_no", outTradeNo);
        }
        if (!StringUtil.isNullOrEmpty(alipayTradeNo)) {
            content.put("trade_no", alipayTradeNo);
        }
        request.setBizContent(content.toString());
        AlipayTradeQueryResponse response = alipayClient.execute(request); //通过alipayClient调用API，获得对应的response类
        return response;
    }


    /**
     * 取消订单
     * 如果此订单用户支付失败，支付宝将关闭此订单。
     * 如果此订单用户支付成功，支付宝将退还订单资金给用户。
     *
     * @param app
     * @param outTradeNo
     * @param alipayTradeNo
     * @return
     * @throws AlipayApiException
     */
    public static AlipayTradeCancelResponse cancelOrder(AlipayAppInfo app, String outTradeNo, String alipayTradeNo) throws AlipayApiException {
        AlipayClient alipayClient = getAlipayClient(app);
        AlipayTradeCancelRequest request = new AlipayTradeCancelRequest(); //创建API对应的request类
        JSONObject content = new JSONObject();
        if (!StringUtil.isNullOrEmpty(outTradeNo)) {
            content.put("out_trade_no", outTradeNo);
        }
        if (!StringUtil.isNullOrEmpty(alipayTradeNo)) {
            content.put("trade_no", alipayTradeNo);
        }
        request.setBizContent(content.toString());  //设置业务参数
        AlipayTradeCancelResponse response = alipayClient.execute(request); //通过alipayClient调用API，获得对应的response类
        return response;
    }


    /**
     * 退款
     *
     * @param app
     * @param outTradeNo
     * @param alipayTradeNo
     * @param refundAmount  本次退款金额
     * @param outRequestNo  本次退款请求流水号，部分退款时必传。
     * @return
     * @throws AlipayApiException
     */
    public static AlipayTradeRefundResponse refund(AlipayAppInfo app, String outTradeNo, String alipayTradeNo, BigDecimal refundAmount, String outRequestNo) throws AlipayApiException {
        AlipayClient alipayClient = getAlipayClient(app);
        AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();//创建API对应的request类
        JSONObject content = new JSONObject();
        if (!StringUtil.isNullOrEmpty(outTradeNo)) {
            content.put("out_trade_no", outTradeNo);
        }
        if (!StringUtil.isNullOrEmpty(alipayTradeNo)) {
            content.put("trade_no", alipayTradeNo);
        }

        if (!StringUtil.isNullOrEmpty(outRequestNo)) {
            content.put("out_request_no", outRequestNo);
        }

        content.put("refund_amount", refundAmount);

        request.setBizContent(content.toString());  //设置业务参数
        AlipayTradeRefundResponse response = alipayClient.execute(request);//通过alipayClient调用API，获得对应的response类
        return response;
    }


    /**
     * 获取账单的链接
     *
     * @param app
     * @param date 需要下载的账单日期，最晚是当期日期的前一天。
     * @return
     * @throws AlipayApiException
     */
    public static String getBillLink(AlipayAppInfo app, Date date) throws AlipayApiException {
        AlipayClient alipayClient = getAlipayClient(app);
        AlipayDataDataserviceBillDownloadurlQueryRequest request = new AlipayDataDataserviceBillDownloadurlQueryRequest();//创建API对应的request类
        JSONObject content = new JSONObject();
        content.put("bill_type", "trade");
        content.put("bill_date", TimeUtil.getGernalTime(date.getTime(), "yyyy-MM-dd"));
        AlipayDataDataserviceBillDownloadurlQueryResponse response = alipayClient.execute(request);//通过alipayClient调用API，获得对应的response类
        return response.getBillDownloadUrl();
    }


    /**
     * 获取支付成功的外部订单号
     *
     * @param params
     * @param app
     * @return
     */
    public static String getPaySuccessNotifyOutOrderNo(Map<String, String> params, AlipayAppInfo app) throws Exception {
        try {
            boolean right = AlipaySignature.rsaCheckV1(params, app.getAlipayPublicKey(), "GBK", params.get("sign_type"));
            if (right) {
                String tradeStatus = params.get("trade_status");
                String outTradeNo = params.get("out_trade_no");
                //支付成功
                if ("TRADE_SUCCESS".equalsIgnoreCase(tradeStatus)) {
                    return outTradeNo;
                } else {
                    throw new Exception("订单为支付成功:" + tradeStatus);
                }
            } else {
                throw new Exception("签名错误");
            }
        } catch (AlipayApiException | IOException e) {
            throw e;
        }
    }

}