package com.hqyj.seven.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.*;
import com.hqyj.seven.utils.AlipayConfig;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * Created by IntelliJ IDEA.
 * @File AlipayController.java
 * @Auth liuxing
 * @Date 2021/8/17 00:53
 * @Email liuxing997@foxmail.com
 */
@Controller
public class AlipayController {

    //付款
    @RequestMapping(value = "/alipay",method = RequestMethod.POST)
    public void  alipay(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = new String(request.getParameter("WIDout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //付款金额，必填
        String total_amount = new String(request.getParameter("WIDtotal_amount").getBytes("ISO-8859-1"),"UTF-8");
        //订单名称，必填
        String subject = new String(request.getParameter("WIDsubject").getBytes("ISO-8859-1"),"UTF-8");
        //商品描述，可空
        String body = new String(request.getParameter("WIDbody").getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        //输出
        out.println(result);
    }

    //交易查询
    @RequestMapping(value = "/tradeQuery",method = RequestMethod.POST)
    public void tradeQuery(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();

        //商户订单号，商户网站订单系统中唯一订单号
        String out_trade_no = new String(request.getParameter("WIDTQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //支付宝交易号
        String trade_no = new String(request.getParameter("WIDTQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","+"\"trade_no\":\""+ trade_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        out.println(result);
    }

    //退款
    @RequestMapping(value = "/tradeRefund",method = RequestMethod.POST)
    public void tradeRefund(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();

        //商户订单号，商户网站订单系统中唯一订单号
        String out_trade_no = new String(request.getParameter("WIDTRout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //支付宝交易号
        String trade_no = new String(request.getParameter("WIDTRtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置
        //需要退款的金额，该金额不能大于订单金额，必填
        String refund_amount = new String(request.getParameter("WIDTRrefund_amount").getBytes("ISO-8859-1"),"UTF-8");
        //退款的原因说明
        String refund_reason = new String(request.getParameter("WIDTRrefund_reason").getBytes("ISO-8859-1"),"UTF-8");
        //标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传
        String out_request_no = new String(request.getParameter("WIDTRout_request_no").getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"trade_no\":\""+ trade_no +"\","
                + "\"refund_amount\":\""+ refund_amount +"\","
                + "\"refund_reason\":\""+ refund_reason +"\","
                + "\"out_request_no\":\""+ out_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        out.println(result);
    }

    //退款查询
    @RequestMapping(value = "/refundQuery",method = RequestMethod.POST)
    public void refundQuery(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeFastpayRefundQueryRequest alipayRequest = new AlipayTradeFastpayRefundQueryRequest();

        //商户订单号，商户网站订单系统中唯一订单号
        String out_trade_no = new String(request.getParameter("WIDRQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //支付宝交易号
        String trade_no = new String(request.getParameter("WIDRQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置
        //请求退款接口时，传入的退款请求号，如果在退款请求时未传入，则该值为创建交易时的外部交易号，必填
        String out_request_no = new String(request.getParameter("WIDRQout_request_no").getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                +"\"trade_no\":\""+ trade_no +"\","
                +"\"out_request_no\":\""+ out_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        out.println(result);
    }

    //交易关闭
    @RequestMapping(value = "/tradeClose",method = RequestMethod.POST)
    public void tradeClose(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        response.setCharacterEncoding("UTF-8");
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeCloseRequest alipayRequest = new AlipayTradeCloseRequest();
        //商户订单号，商户网站订单系统中唯一订单号
        String out_trade_no = new String(request.getParameter("WIDTCout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //支付宝交易号
        String trade_no = new String(request.getParameter("WIDTCtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," +"\"trade_no\":\""+ trade_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        out.println(result);
    }

}
