package com.sandu.ximon.admin.pay.wx;

import cn.binarywang.wx.miniapp.api.WxMaService;
import cn.binarywang.wx.miniapp.api.impl.WxMaServiceImpl;
import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
import cn.binarywang.wx.miniapp.config.impl.WxMaDefaultConfigImpl;
import cn.dreampie.encription.EncriptionKit;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSON;
import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult;
import com.github.binarywang.wxpay.bean.notify.WxPayRefundNotifyResult;
import com.github.binarywang.wxpay.bean.request.WxPayRefundRequest;
import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
import com.github.binarywang.wxpay.bean.result.WxPayRefundResult;
import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
import com.github.binarywang.wxpay.config.WxPayConfig;
import com.github.binarywang.wxpay.constant.WxPayConstants;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.sandu.common.execption.BusinessException;
import com.sandu.common.util.IpUtil;
import com.sandu.ximon.admin.dto.wxquerydto.WxOrderDto;
import com.sandu.ximon.admin.pay.wxpay.UsrWxPayConfigService;
import com.sandu.ximon.dao.domain.WxConfigEntity;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.error.WxErrorException;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.servlet.http.HttpServletRequest;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @author chenjiantian
 * @date 2021/8/12 11:26
 */
@Service
@Slf4j
@AllArgsConstructor
public class WxFastPayService {

    private final com.github.binarywang.wxpay.service.WxPayService wxPayService;
    public static final String WECHAT_ORDER_PAY_CALLBACK_URL = "http://49.235.239.118:20012/callback/pay/wechatCallback";
    //微信订单状态查询
    public static final String WECHAT_ORDER_QUETY_URL = "https://api.mch.weixin.qq.com/v3/pay/transactions/out-trade-no/";
    public static final String WECHAT_ORDER_QUETY = "?mchid=";

    private final UsrWxPayConfigService wxPayConfigService;


    /**
     * 微信订单状态查询
     *
     * @param poleId
     * @param outTradeNo
     * @return
     */
    public boolean WxOrderQuery(Long poleId, String outTradeNo) {
        WxConfigEntity wxConfig = wxPayConfigService.getConfigByPoleId(poleId);
        if (wxConfig == null) {
            throw new BusinessException("获取微信支付配置失败");
        }
        String s = HttpUtil.get(WECHAT_ORDER_QUETY_URL + outTradeNo + WECHAT_ORDER_QUETY + wxConfig.getMchId());//WxOrderDto
        WxOrderDto wxOrderDto = JSON.parseObject(s, WxOrderDto.class);
        if (("SUCCESS").equals(wxOrderDto.getTrade_state())) {
            return true;
        }

        return false;
    }

    /**
     * @param parameters
     * @return
     */
    @SuppressWarnings("rawtypes")
    private String createSign(String Key, SortedMap<Object, Object> parameters) {
        StringBuffer sb = new StringBuffer();
        Set es = parameters.entrySet();// 所有参与传参的参数按照accsii排序（升序）
        Iterator it = es.iterator();
        while (it.hasNext()) {
            Map.Entry entry = (Map.Entry) it.next();
            String k = (String) entry.getKey();
            Object v = entry.getValue();
            if (null != v && !"".equals(v) && !"sign".equals(k) && !"key".equals(k)) {
                sb.append(k + "=" + v + "&");
            }
        }
        sb.append("key=" + Key);
        System.out.println("字符串拼接后是:" + sb.toString());
        String sign = EncriptionKit.encrypt(sb.toString()).toUpperCase();
        return sign;
    }

    public WxPayOrderNotifyResult parseOrderNotifyResult(String xmlData) {
        try {
            return wxPayService.parseOrderNotifyResult(xmlData);
        } catch (WxPayException e) {
            e.printStackTrace();
            throw new BusinessException("解析回调结果失败，" + e.getErrCodeDes());
        }
    }

    public WxPayRefundNotifyResult parseRefundNotifyResult(String xmlData) {
        try {
            return wxPayService.parseRefundNotifyResult(xmlData);
        } catch (WxPayException e) {
            e.printStackTrace();
            throw new BusinessException("解析回调结果失败，" + e.getErrCodeDes());
        }
    }

    /**
     * 订单退款 只能退款一次
     *
     * @param orderId
     * @param refundFee
     * @param callbackUrl
     * @return
     */
    public boolean refundOrder(String orderId, String refundSn, Integer refundFee, String callbackUrl) {
        WxPayRefundRequest refundRequest = new WxPayRefundRequest();
        refundRequest.setOutTradeNo(orderId);
        refundRequest.setOutRefundNo(refundSn);
        refundRequest.setRefundFee(refundFee);
        refundRequest.setTotalFee(refundFee);
        refundRequest.setNotifyUrl(callbackUrl);
        try {
            WxPayRefundResult wxPayRefundResult = wxPayService.refund(refundRequest);
            if (WxPayConstants.ResultCode.SUCCESS.equals(wxPayRefundResult.getResultCode())) {
                return true;
            } else {
                log.error("微信退款失败，{}", wxPayRefundResult.getErrCodeDes());
                throw new BusinessException("微信退款失败，" + wxPayRefundResult.getErrCodeDes());
            }
        } catch (WxPayException e) {
            log.error("微信退款失败，{}", e.getErrCodeDes());
            throw new BusinessException("微信退款失败，" + e.getErrCodeDes());
        }
    }


    /**
     * 退款
     *
     * @param totalAmount
     * @param refundAmount
     * @param outTradeNo
     * @param poleId
     * @return
     */
    @Transactional(rollbackFor = Exception.class)
    public boolean refund(Double totalAmount, Double refundAmount, String outTradeNo, Long poleId) {
        WxConfigEntity wxConfig = UsrWxPayConfigService.getBean().getConfigByPoleId(poleId);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
        String refundNo = sdf.format(new Date());
        WxPayRefundRequest refundRequest = new WxPayRefundRequest();
        //退款金额不能大于订单总金额
        if (refundAmount > totalAmount) {
            throw new BusinessException("退款金额不能大于订单总金额");
        }
        refundRequest.setOutTradeNo(outTradeNo);
        refundRequest.setOutRefundNo(refundNo);
        refundRequest.setTotalFee(Integer.valueOf(parseWxAmount((totalAmount + ""))));
        refundRequest.setRefundFee(Integer.valueOf(parseWxAmount((refundAmount + ""))));
        try {
            WxPayRefundResult wxPayRefundResult = wxPayService.refund(refundRequest);
            if (WxPayConstants.ResultCode.SUCCESS.equals(wxPayRefundResult.getResultCode())) {
                return true;
            } else {
                log.error("微信退款失败，{}", wxPayRefundResult.getErrCodeDes());
                throw new BusinessException("微信退款失败，" + wxPayRefundResult.getErrCodeDes());
            }
        } catch (WxPayException e) {
            log.error("微信退款失败，{}", e.getErrCodeDes());
            throw new BusinessException("微信退款失败，" + e.getErrCodeDes());
        }
    }

    /**
     * 转换为微信金额(分)
     *
     * @param normalAmount 0.01元
     * @return
     */
    public static String parseWxAmount(String normalAmount) {
        //  保留2位小数
        double totalAmountDouble = Double.parseDouble(new DecimalFormat("#.00").format(
                Double.parseDouble(normalAmount)));
        String amount = (totalAmountDouble * 100) + "";
        amount = amount.substring(0, amount.indexOf("."));
        return amount;
    }

    /**
     * 小程序支付  微信
     *
     * @param body
     * @param orderId
     * @param totalFee
     * @param poleId
     * @return
     */
    @Transactional(rollbackFor = Exception.class)
    public SortedMap<Object, Object> miniAppPay(HttpServletRequest request, String body, String orderId, int totalFee, Long poleId, String wxCode) throws WxErrorException {
        WxConfigEntity wxConfig = wxPayConfigService.getConfigByPoleId(poleId);

        //设置微信支付参数
        WxPayConfig payConfig = new WxPayConfig();

        payConfig.setAppId(StringUtils.trimToNull(wxConfig.getAppappid()));
        payConfig.setMchId(StringUtils.trimToNull(wxConfig.getMchId()));
        payConfig.setMchKey(StringUtils.trimToNull(wxConfig.getPrivateKey()));
        payConfig.setSubAppId(StringUtils.trimToNull(null));
        payConfig.setSubMchId(StringUtils.trimToNull(null));
        payConfig.setKeyPath(StringUtils.trimToNull(null));
        wxPayService.setConfig(payConfig);


        //设置微信同一订单请求
        WxPayUnifiedOrderRequest wxPayUnifiedOrderRequest = new WxPayUnifiedOrderRequest();
        wxPayUnifiedOrderRequest.setBody(body);
        wxPayUnifiedOrderRequest.setOutTradeNo(orderId);
        wxPayUnifiedOrderRequest.setTotalFee(totalFee);
        wxPayUnifiedOrderRequest.setOpenid(wxCode);


        wxPayUnifiedOrderRequest.setSignType(WxPayConstants.SignType.MD5);
        wxPayUnifiedOrderRequest.setSpbillCreateIp(IpUtil.getIpAddr(request));
        wxPayUnifiedOrderRequest.setNotifyUrl(WECHAT_ORDER_PAY_CALLBACK_URL);
        wxPayUnifiedOrderRequest.setTradeType(WxPayConstants.TradeType.JSAPI);
        System.out.println("-----------" + wxPayUnifiedOrderRequest);

        try {
            WxPayUnifiedOrderResult wxPayUnifiedOrderResult = wxPayService.unifiedOrder(wxPayUnifiedOrderRequest);
            String time = String.valueOf(System.currentTimeMillis() / 1000);
            if (WxPayConstants.ResultCode.SUCCESS.equals(wxPayUnifiedOrderResult.getResultCode())) {
                SortedMap<Object, Object> parameters = new TreeMap<>();
                parameters.put("appid", wxPayUnifiedOrderResult.getAppid());

//                parameters.put("noncestr", wxPayUnifiedOrderResult.getNonceStr()); // 随机字符串
                parameters.put("partnerid", wxConfig.getMchId()); // 商户id

                //  parameters.put("out_trade_no", orderId);//商户订单号
                parameters.put("prepayid", wxPayUnifiedOrderResult.getPrepayId());
//                parameters.put("package", "Sign=WXPay");
//                parameters.put("timestamp", time);

                String sign = createSign(wxConfig.getPrivateKey(), parameters);

                //hashMap.put("paySign", wechatSign);
                parameters.put("Sign", sign);
                return parameters;
            } else {
                log.error("微信支付失败，{}", wxPayUnifiedOrderResult.getErrCodeDes());
                throw new BusinessException("微信支付失败，" + wxPayUnifiedOrderResult);
            }
        } catch (WxPayException e) {
            log.error("微信支付失败，{}", e.getErrCodeDes());
            throw new BusinessException("微信支付失败，" + e.getErrCodeDes());
        }
    }


    public WxMaService getWxMaService(WxConfigEntity wxConfig) {
        if (wxConfig == null) {
            throw new BusinessException("找不到微信配置");
        }
        WxMaDefaultConfigImpl config = new WxMaDefaultConfigImpl();
        config.setAppid(wxConfig.getAppappid());
        config.setSecret(wxConfig.getAppSecret());
        WxMaService service = new WxMaServiceImpl();
        service.setWxMaConfig(config);
        return service;
    }

    public String getOpenId(Long poleId, String wxCode) throws WxErrorException {
        WxConfigEntity userConfig = wxPayConfigService.getConfigByPoleId(poleId);
        if (userConfig == null) {
            throw new BusinessException("找不到微信配置");
        }
        WxMaJscode2SessionResult sessionInfo = this.getWxMaService(userConfig).getUserService().getSessionInfo(wxCode);
        return sessionInfo.getOpenid();
    }

}