package com.java110.fee.cmd.fee;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.java110.core.annotation.Java110Cmd;
import com.java110.core.context.ICmdDataFlowContext;
import com.java110.core.event.cmd.AbstractServiceCmdListener;
import com.java110.core.event.cmd.CmdEvent;
import com.java110.core.factory.GenerateCodeFactory;
import com.java110.core.smo.IComputeFeeSMO;
import com.java110.dto.account.AccountDto;
import com.java110.dto.couponUser.CouponUserDto;
import com.java110.dto.fee.FeeDetailDto;
import com.java110.dto.fee.FeeDto;
import com.java110.dto.feeDiscount.ComputeDiscountDto;
import com.java110.intf.acct.IAccountInnerServiceSMO;
import com.java110.intf.acct.ICouponUserV1InnerServiceSMO;
import com.java110.intf.community.IRepairUserInnerServiceSMO;
import com.java110.intf.community.IRoomInnerServiceSMO;
import com.java110.intf.fee.*;
import com.java110.intf.user.IOwnerCarInnerServiceSMO;
import com.java110.utils.cache.CommonCache;
import com.java110.utils.constant.ResponseConstant;
import com.java110.utils.exception.CmdException;
import com.java110.utils.exception.ListenerExecuteException;
import com.java110.utils.util.Assert;
import com.java110.utils.util.DateUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

import java.math.BigDecimal;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * 类表述：删除
 * 服务编码：feePrintPage.deleteFeePrintPage
 * 请求路劲：/app/feePrintPage.DeleteFeePrintPage
 * add by 吴学文 at 2021-09-16 22:26:04 mail: 928255095@qq.com
 * open source address: https://gitee.com/wuxw7/MicroCommunity
 * 官网：http://www.homecommunity.cn
 * 温馨提示：如果您对此文件进行修改 请不要删除原有作者及注释信息，请补充您的 修改的原因以及联系邮箱如下
 * // modify by 张三 at 2021-09-12 第10行在某种场景下存在某种bug 需要修复，注释10至20行 加入 20行至30行
 */
@Java110Cmd(serviceCode = "fee.payFeePre")
public class PayFeePreCmd extends AbstractServiceCmdListener {
    private static Logger logger = LoggerFactory.getLogger(PayFeePreCmd.class);


    @Autowired
    private IFeeInnerServiceSMO feeInnerServiceSMOImpl;

    @Autowired
    private IRoomInnerServiceSMO roomInnerServiceSMOImpl;

    @Autowired
    private IFeeConfigInnerServiceSMO feeConfigInnerServiceSMOImpl;

    @Autowired
    private IFeeDiscountInnerServiceSMO feeDiscountInnerServiceSMOImpl;

    @Autowired
    private IFeeAttrInnerServiceSMO feeAttrInnerServiceSMOImpl;

    @Autowired
    private IRepairUserInnerServiceSMO repairUserInnerServiceSMO;

    @Autowired
    private IOwnerCarInnerServiceSMO ownerCarInnerServiceSMOImpl;

    @Autowired
    private IApplyRoomDiscountInnerServiceSMO applyRoomDiscountInnerServiceSMOImpl;

    @Autowired
    private IFeeDetailInnerServiceSMO iFeeDetailInnerServiceSMO;

    @Autowired
    private IComputeFeeSMO computeFeeSMOImpl;
    @Autowired
    private ICouponUserV1InnerServiceSMO couponUserV1InnerServiceSMOImpl;

    @Autowired
    private IAccountInnerServiceSMO accountInnerServiceSMOImpl;

    @Override
    public void validate(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) {
        Assert.jsonObjectHaveKey(reqJson, "communityId", "请求报文中未包含communityId节点");
        Assert.jsonObjectHaveKey(reqJson, "cycles", "请求报文中未包含cycles节点");
        Assert.jsonObjectHaveKey(reqJson, "receivedAmount", "请求报文中未包含receivedAmount节点");
        Assert.jsonObjectHaveKey(reqJson, "feeId", "请求报文中未包含feeId节点");
        Assert.jsonObjectHaveKey(reqJson, "appId", "请求报文中未包含appId节点");

        Assert.hasLength(reqJson.getString("communityId"), "小区ID不能为空");
        Assert.hasLength(reqJson.getString("cycles"), "周期不能为空");
        Assert.hasLength(reqJson.getString("receivedAmount"), "实收金额不能为空");
        Assert.hasLength(reqJson.getString("feeId"), "费用ID不能为空");
        Assert.hasLength(reqJson.getString("appId"), "appId不能为空");
    }

    @Override
    public void doCmd(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) throws CmdException {
        logger.debug("ServiceDataFlowEvent : {}", event);

        String appId = cmdDataFlowContext.getReqHeaders().get("app-id");
        reqJson.put("appId", appId);

        FeeDto feeDto = new FeeDto();
        feeDto.setFeeId(reqJson.getString("feeId"));
        feeDto.setCommunityId(reqJson.getString("communityId"));
        List<FeeDto> feeDtos = feeInnerServiceSMOImpl.queryFees(feeDto);
        if (feeDtos == null || feeDtos.size() != 1) {
            throw new ListenerExecuteException(ResponseConstant.RESULT_CODE_ERROR, "查询费用信息失败，未查到数据或查到多条数据");
        }
        feeDto = feeDtos.get(0);

        Map feePriceAll = computeFeeSMOImpl.getFeePrice(feeDto);
        BigDecimal receivableAmount = new BigDecimal(feePriceAll.get("feePrice").toString());
        BigDecimal cycles = new BigDecimal(Double.parseDouble(reqJson.getString("cycles")));
        double tmpReceivableAmount = cycles.multiply(receivableAmount).setScale(2, BigDecimal.ROUND_HALF_EVEN).doubleValue();
        JSONObject paramOut = new JSONObject();
        paramOut.put("receivableAmount", tmpReceivableAmount);
        paramOut.put("oId", GenerateCodeFactory.getGeneratorId(GenerateCodeFactory.CODE_PREFIX_oId));

        //实收金额
        BigDecimal tmpReceivedAmout = new BigDecimal(tmpReceivableAmount);

        //判断是否有折扣情况
        double discountPrice = judgeDiscount(reqJson);
        tmpReceivedAmout = tmpReceivedAmout.subtract(new BigDecimal(discountPrice)).setScale(2, BigDecimal.ROUND_HALF_EVEN);
        //2.0 考虑账户抵消
        double accountPrice = judgeAccount(reqJson);
        tmpReceivedAmout = tmpReceivedAmout.subtract(new BigDecimal(accountPrice)).setScale(2, BigDecimal.ROUND_HALF_EVEN);

        //3.0 考虑优惠卷
        double couponPrice = checkCouponUser(reqJson);
        tmpReceivedAmout = tmpReceivedAmout.subtract(new BigDecimal(couponPrice)).setScale(2, BigDecimal.ROUND_HALF_EVEN);


        double receivedAmount = tmpReceivedAmout.doubleValue();
        //所有 优惠折扣计算完后，如果总金额小于等于0，则返回总扣款为0
        if (receivedAmount <= 0) {
            receivedAmount = 0.0;
        }
        paramOut.put("receivedAmount", receivedAmount);
        ResponseEntity<String> responseEntity = new ResponseEntity<>(paramOut.toJSONString(), HttpStatus.OK);
        CommonCache.setValue("payFeePre" + paramOut.getString("oId"), reqJson.toJSONString(), 24 * 60 * 60);
        cmdDataFlowContext.setResponseEntity(responseEntity);
    }

    /**
     *  考虑账户抵消
     * @param reqJson
     */
    private double judgeAccount(JSONObject reqJson) {
        if(!reqJson.containsKey("deductionAmount")){
            reqJson.put("deductionAmount",0.0);
            return 0.0;
        }

        double deductionAmount = reqJson.getDouble("deductionAmount");
        if(deductionAmount <= 0){
            reqJson.put("deductionAmount",0.0);
            return 0.0;
        }

        if(!reqJson.containsKey("selectUserAccount")){
            reqJson.put("deductionAmount",0.0);
            return 0.0;
        }

        JSONArray selectUserAccount = reqJson.getJSONArray("selectUserAccount");
        if(selectUserAccount == null || selectUserAccount.size() <1){
            reqJson.put("deductionAmount",0.0);
            return 0.0;
        }
        List<String> acctIds = new ArrayList<>();
        for(int userAccountIndex = 0 ;userAccountIndex < selectUserAccount.size(); userAccountIndex++){
            acctIds.add(selectUserAccount.getJSONObject(userAccountIndex).getString("acctId"));
        }

        AccountDto accountDto = new AccountDto();
        accountDto.setAcctIds(acctIds.toArray(new String[acctIds.size()]));
        List<AccountDto> accountDtos = accountInnerServiceSMOImpl.queryAccounts(accountDto);

        if(accountDtos == null || accountDtos.size() < 1){
            reqJson.put("deductionAmount",0.0);
            return 0.0;
        }

        BigDecimal totalAccountAmount = new BigDecimal(0);
        for(AccountDto tmpAccountDto: accountDtos){
            totalAccountAmount = totalAccountAmount.add(new BigDecimal(tmpAccountDto.getAmount()));
        }

        deductionAmount = totalAccountAmount.subtract(new BigDecimal(deductionAmount)).doubleValue();
        if(deductionAmount < 0){
            reqJson.put("deductionAmount",totalAccountAmount.doubleValue());
            reqJson.put("selectUserAccount",accountDtos);
            return totalAccountAmount.doubleValue();
        }
        reqJson.put("deductionAmount",deductionAmount);
        reqJson.put("selectUserAccount",accountDtos);
        return deductionAmount;
    }

    private double checkCouponUser(JSONObject paramObj) {
        JSONArray couponList = paramObj.getJSONArray("couponList");
        BigDecimal couponPrice = new BigDecimal(0.0);
        List<String> couponIds = new ArrayList<String>();

        if (couponList == null || couponList.size() < 1) {
            paramObj.put("couponPrice", couponPrice.doubleValue());
            paramObj.put("couponUserDtos", new ArrayList<CouponUserDto>()); //这里考虑空
            return couponPrice.doubleValue();
        }
        for (int couponIndex = 0; couponIndex < couponList.size(); couponIndex++) {
            couponIds.add(couponList.getJSONObject(couponIndex).getString("couponId"));
        }
        CouponUserDto couponUserDto = new CouponUserDto();
        couponUserDto.setCouponIds(couponIds.toArray(new String[couponIds.size()]));
        List<CouponUserDto> couponUserDtos = couponUserV1InnerServiceSMOImpl.queryCouponUsers(couponUserDto);
        if (couponUserDtos == null || couponUserDtos.size() < 1) {
            paramObj.put("couponPrice", couponPrice.doubleValue());
            return couponPrice.doubleValue();
        }
        for (CouponUserDto couponUser : couponUserDtos) {
            //不计算已过期购物券金额
            if (couponUser.getEndTime().compareTo(DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_B)) >= 0) {
                couponPrice.add(new BigDecimal(Double.parseDouble(couponUser.getActualPrice())));
            }
        }
        paramObj.put("couponPrice", couponPrice.doubleValue());
        paramObj.put("couponUserDtos", couponUserDtos);
        return couponPrice.doubleValue();
    }


    private double judgeDiscount(JSONObject paramObj) {
        FeeDetailDto feeDetailDto = new FeeDetailDto();
        feeDetailDto.setCommunityId(paramObj.getString("communityId"));
        feeDetailDto.setFeeId(paramObj.getString("feeId"));
        feeDetailDto.setCycles(paramObj.getString("cycles"));
        feeDetailDto.setPayerObjId(paramObj.getString("payerObjId"));
        feeDetailDto.setPayerObjType(paramObj.getString("payerObjType"));
        String endTime = paramObj.getString("endTime");  //获取缴费到期时间
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            feeDetailDto.setStartTime(simpleDateFormat.parse(endTime));
        } catch (ParseException e) {
            throw new CmdException(e.getLocalizedMessage());
        }

        feeDetailDto.setRow(20);
        feeDetailDto.setPage(1);
        List<ComputeDiscountDto> computeDiscountDtos = feeDiscountInnerServiceSMOImpl.computeDiscount(feeDetailDto);

        if (computeDiscountDtos == null || computeDiscountDtos.size() < 1) {
            paramObj.put("discountPrice",0.0);
            return 0.0;
        }
        BigDecimal discountPrice = new BigDecimal(0);
        for (ComputeDiscountDto computeDiscountDto : computeDiscountDtos) {
            discountPrice = discountPrice.add(new BigDecimal(computeDiscountDto.getDiscountPrice()));
        }
        paramObj.put("discountPrice",discountPrice.doubleValue());
        paramObj.put("computeDiscountDtos", computeDiscountDtos);
        return discountPrice.doubleValue();
    }
}