/*
 * 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.acct.cmd.supplierCoupon;

import com.alibaba.fastjson.JSONObject;
import com.java110.core.annotation.Java110Cmd;
import com.java110.core.context.ICmdDataFlowContext;
import com.java110.core.event.cmd.Cmd;
import com.java110.core.event.cmd.CmdEvent;
import com.java110.doc.annotation.*;
import com.java110.intf.acct.ISupplierCouponV1InnerServiceSMO;
import com.java110.utils.exception.CmdException;
import com.java110.utils.util.BeanConvertUtil;
import com.java110.vo.ResultVo;
import org.springframework.beans.factory.annotation.Autowired;
import com.java110.dto.supplier.SupplierCouponDto;

import java.util.List;
import java.util.ArrayList;

import org.springframework.http.ResponseEntity;
import org.springframework.http.HttpStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * 供应商优惠券查询命令类
 * 
 * 该类负责处理供应商优惠券的查询请求，通过REST接口对外提供查询服务
 * 支持分页查询供应商的优惠券信息，包括优惠券ID、名称、售价等字段
 * 
 * @author 吴学文
 * @version 1.0
 * @date 2022-11-17 21:33:45
 */
@Java110CmdDoc(title = "查询供应商优惠券",
        description = "用于外系统查询供应商优惠券",
        httpMethod = "get",
        url = "http://{ip}:{port}/app/supplierCoupon.listSupplierCoupon",
        resource = "acctDoc",
        author = "吴学文",
        serviceCode = "supplierCoupon.listSupplierCoupon"
)

@Java110ParamsDoc(params = {
        @Java110ParamDoc(name = "supplierId", length = 30, remark = "供应商ID"),
})

@Java110ResponseDoc(
        params = {
                @Java110ParamDoc(name = "code", type = "int", length = 11, defaultValue = "0", remark = "返回编号，0 成功 其他失败"),
                @Java110ParamDoc(name = "msg", type = "String", length = 250, defaultValue = "成功", remark = "描述"),
                @Java110ParamDoc(name = "data",type="Array",length = -1,remark = "数据节点"),
                @Java110ParamDoc(parentNodeName = "data",name="couponId",length = 30,remark = "优惠券ID"),
                @Java110ParamDoc(parentNodeName = "data",name="name",length = 30,remark = "优惠券名称"),
                @Java110ParamDoc(parentNodeName = "data",name="valuePrice",length = 30,remark = "售价"),
                @Java110ParamDoc(parentNodeName = "data",name="businessKey",length = 30,remark = "业务编号"),
        }
)

@Java110ExampleDoc(
        reqBody="http://{ip}:{port}/app/supplierCoupon.listSupplierCoupon?supplierId=123&page=1&row=10",
        resBody="{'code':0,'msg':'成功',data:[]}"
)
/**
 * 类表述：查询
 * 服务编码：supplierCoupon.listSupplierCoupon
 * 请求路劲：/app/supplierCoupon.ListSupplierCoupon
 * add by 吴学文 at 2022-11-17 21:33:45 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 = "supplierCoupon.listSupplierCoupon")
public class ListSupplierCouponCmd extends Cmd {

    // 日志记录器
    private static Logger logger = LoggerFactory.getLogger(ListSupplierCouponCmd.class);
    
    // 供应商优惠券服务接口
    @Autowired
    private ISupplierCouponV1InnerServiceSMO supplierCouponV1InnerServiceSMOImpl;

    /**
     * 参数验证方法
     * 
     * 验证请求参数的有效性，主要验证分页参数
     * 
     * @param event 命令事件对象，包含请求相关信息
     * @param cmdDataFlowContext 命令数据流上下文，用于获取和设置请求/响应数据
     * @param reqJson 请求参数的JSON对象
     */
    @Override
    public void validate(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) {
        // 调用父类的分页信息验证方法，验证page和row参数
        super.validatePageInfo(reqJson);
    }

    /**
     * 命令执行方法
     * 
     * 处理供应商优惠券查询请求，执行查询逻辑并返回结果
     * 支持分页查询，返回包含总页数、总记录数和数据列表的响应
     * 
     * @param event 命令事件对象
     * @param cmdDataFlowContext 命令数据流上下文
     * @param reqJson 请求参数的JSON对象
     * @throws CmdException 当命令执行过程中发生错误时抛出
     */
    @Override
    public void doCmd(CmdEvent event, ICmdDataFlowContext cmdDataFlowContext, JSONObject reqJson) throws CmdException {
        // 将请求JSON转换为供应商优惠券DTO对象
        SupplierCouponDto supplierCouponDto = BeanConvertUtil.covertBean(reqJson, SupplierCouponDto.class);

        // 查询符合条件的供应商优惠券总记录数
        int count = supplierCouponV1InnerServiceSMOImpl.querySupplierCouponsCount(supplierCouponDto);

        List<SupplierCouponDto> supplierCouponDtos = null;

        // 根据查询结果数量决定返回数据
        if (count > 0) {
            // 如果有数据，查询具体的优惠券列表
            supplierCouponDtos = supplierCouponV1InnerServiceSMOImpl.querySupplierCoupons(supplierCouponDto);
        } else {
            // 如果没有数据，返回空列表
            supplierCouponDtos = new ArrayList<>();
        }

        // 计算总页数：总记录数 / 每页记录数，向上取整
        int totalPage = (int) Math.ceil((double) count / (double) reqJson.getInteger("row"));
        // 构建返回结果对象，包含分页信息和数据
        ResultVo resultVo = new ResultVo(totalPage, count, supplierCouponDtos);

        // 创建HTTP响应实体，状态码为200 OK
        ResponseEntity<String> responseEntity = new ResponseEntity<String>(resultVo.toString(), HttpStatus.OK);

        // 将响应设置到数据流上下文中
        cmdDataFlowContext.setResponseEntity(responseEntity);
    }
}