/*
 * Copyright 2017-2020 吴学文 and java110 team.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.java110.community.cmd.parkingSpaceApply;

import com.alibaba.fastjson.JSONObject;
import com.java110.core.annotation.Java110Cmd;
import com.java110.core.annotation.Java110Transactional;
import com.java110.core.context.ICmdDataFlowContext;
import com.java110.core.event.cmd.Cmd;
import com.java110.core.event.cmd.CmdEvent;
import com.java110.core.factory.GenerateCodeFactory;
import com.java110.dto.fee.PayFeeDto;
import com.java110.dto.owner.OwnerCarDto;
import com.java110.dto.owner.OwnerDto;
import com.java110.dto.parking.ParkingSpaceApplyDto;
import com.java110.intf.community.IParkingSpaceApplyV1InnerServiceSMO;
import com.java110.intf.fee.IPayFeeV1InnerServiceSMO;
import com.java110.intf.user.IBuildingOwnerV1InnerServiceSMO;
import com.java110.intf.user.IOwnerCarV1InnerServiceSMO;
import com.java110.po.parking.ParkingSpaceApplyPo;
import com.java110.utils.exception.CmdException;
import com.java110.utils.util.Assert;
import com.java110.utils.util.BeanConvertUtil;
import com.java110.utils.util.DateUtil;
import com.java110.utils.util.ListUtil;
import com.java110.vo.ResultVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.slf4j.Logger;
import com.java110.core.log.LoggerFactory;

import java.util.List;

/**
 * 停车位申请保存命令类
 * 
 * 该类负责处理停车位申请的保存操作，包括参数验证、业务逻辑处理和数据库保存。
 * 主要功能包括：验证申请参数、检查申请人身份、检查车辆状态、保存申请信息等。
 * 
 * 类表述：保存
 * 服务编码：parkingSpaceApply.saveParkingSpaceApply
 * 请求路劲：/app/parkingSpaceApply.SaveParkingSpaceApply
 * add by 吴学文 at 2021-10-18 13:00:02 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 = "parkingSpaceApply.saveParkingSpaceApply")
public class SaveParkingSpaceApplyCmd extends Cmd {

    private static Logger logger = LoggerFactory.getLogger(SaveParkingSpaceApplyCmd.class);

    /** ID生成前缀 */
    public static final String CODE_PREFIX_ID = "10";

    /** 停车位申请服务接口 */
    @Autowired
    private IParkingSpaceApplyV1InnerServiceSMO parkingSpaceApplyV1InnerServiceSMOImpl;
    
    /** 业主车辆服务接口 */
    @Autowired
    private IOwnerCarV1InnerServiceSMO ownerCarV1InnerServiceSMOImpl;
    
    /** 费用服务接口 */
    @Autowired
    private IPayFeeV1InnerServiceSMO payFeeV1InnerServiceSMOImpl;
    
    /** 业主服务接口 */
    @Autowired
    private IBuildingOwnerV1InnerServiceSMO buildingOwnerV1InnerServiceSMOImpl;

    /**
     * 参数验证方法
     * 
     * 验证请求参数是否完整，确保必要的字段都存在
     * 
     * @param event 命令事件对象
     * @param cmdDataFlowContext 数据流上下文
     * @param reqJson 请求的JSON数据
     * @throws CmdException 当参数验证失败时抛出异常
     */
    @Override
    public void validate(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) {
        // 验证必填字段是否存在
        Assert.hasKeyAndValue(reqJson, "carNum", "请求报文中未包含carNum");
        Assert.hasKeyAndValue(reqJson, "carType", "请求报文中未包含carType");
        Assert.hasKeyAndValue(reqJson, "state", "请求报文中未包含state");
        Assert.hasKeyAndValue(reqJson, "applyPersonName", "请求报文中未包含applyPersonName");
        Assert.hasKeyAndValue(reqJson, "applyPersonLink", "请求报文中未包含applyPersonLink");
        Assert.hasKeyAndValue(reqJson, "applyPersonId", "请求报文中未包含applyPersonId");
        Assert.hasKeyAndValue(reqJson, "communityId", "请求报文中未包含communityId");
    }

    /**
     * 执行停车位申请保存命令
     * 
     * 处理停车位申请的核心业务逻辑，包括：
     * 1. 验证申请人身份
     * 2. 检查车辆状态
     * 3. 保存申请信息
     * 
     * @param event 命令事件对象
     * @param cmdDataFlowContext 数据流上下文
     * @param reqJson 请求的JSON数据
     * @throws CmdException 当业务逻辑处理失败时抛出异常
     */
    @Override
    @Java110Transactional
    public void doCmd(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) throws CmdException {
        // 将请求JSON转换为停车位申请PO对象
        ParkingSpaceApplyPo parkingSpaceApplyPo = BeanConvertUtil.covertBean(reqJson, ParkingSpaceApplyPo.class);
        
        /**
         * 业务逻辑说明：
         * 1、车位申请判断车辆是否存在owner_car，如果存在判断是否有2008001的费用，
         * car_id是费用表中的payer_obj_id。申请的时候判断下owner_id是否为-1，还需到owner表中校验在不在，
         * 2、审核的时，判断车辆是否在owner_car中有，有就跳过。  没有的话写入owner_car，--都要写入pay_fee。
         * 3、支付成功后，回调方法中刷新申请表状态。
         */
        
        // 申请的时候判断下owner_id是否为-1，-1表示游客身份
        if ("-1".equals(parkingSpaceApplyPo.getApplyPersonId())) {
            throw new CmdException("游客身份不能申请车位！");
        }
        
        // 还需到owner表中校验申请人是否存在，不是业主则不能申请
        OwnerDto ownerDto = new OwnerDto();
        ownerDto.setMemberId(parkingSpaceApplyPo.getApplyPersonId());
        List<OwnerDto> ownerDtos = buildingOwnerV1InnerServiceSMOImpl.queryBuildingOwners(ownerDto);
        if (ListUtil.isNull(ownerDtos)) {
            throw new CmdException("不是本小区业主不能申请车位！");
        }
        
        // 判断车辆是否已经有申请单处于审核中状态
        ParkingSpaceApplyDto parkingSpaceApplyDto = new ParkingSpaceApplyDto();
        parkingSpaceApplyDto.setCarNum(parkingSpaceApplyPo.getCarNum());
        parkingSpaceApplyDto.setState("1001");// 1001表示审核中状态
        parkingSpaceApplyDto.setCommunityId(reqJson.getString("communityId"));
        int count = parkingSpaceApplyV1InnerServiceSMOImpl.queryParkingSpaceApplysCount(parkingSpaceApplyDto);
        if (count > 1) {
            throw new CmdException("当前车辆申请处理审核中，不能重复申请。");
        }
        
        // 车位申请判断车辆是否已存在owner_car表中，如果存在则不能重复申请
        OwnerCarDto ownerCarDto = new OwnerCarDto();
        ownerCarDto.setCarNum(parkingSpaceApplyPo.getCarNum());
        ownerCarDto.setCommunityId(parkingSpaceApplyPo.getCommunityId());
        List<OwnerCarDto> ownerCarDtos = ownerCarV1InnerServiceSMOImpl.queryOwnerCars(ownerCarDto);
        if (!ListUtil.isNull(ownerCarDtos)) {
            throw new CmdException("该车辆已存在，购买月卡续费。或者联系管理员");
        }
        
        // 生成申请ID并设置申请时间
        parkingSpaceApplyPo.setApplyId(GenerateCodeFactory.getGeneratorId(CODE_PREFIX_ID));
        parkingSpaceApplyPo.setStartTime(DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_A));
        parkingSpaceApplyPo.setEndTime(DateUtil.getNow(DateUtil.DATE_FORMATE_STRING_A));
        
        // 保存停车位申请信息
        int flag = parkingSpaceApplyV1InnerServiceSMOImpl.saveParkingSpaceApply(parkingSpaceApplyPo);
        if (flag < 1) {
            throw new CmdException("保存数据失败");
        }
        
        // 设置响应结果为成功
        cmdDataFlowContext.setResponseEntity(ResultVo.success());
    }
}