package com.java110.order.api;

import com.alibaba.fastjson.JSONObject;
import com.java110.common.constant.ResponseConstant;
import com.java110.common.exception.BusinessException;
import com.java110.common.util.Assert;
import com.java110.core.base.controller.BaseController;
import com.java110.event.center.DataFlowEventPublishing;
import com.java110.order.smo.IOrderServiceSMO;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
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 org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

/**
 * @author wux
 * @create 2019-02-05 上午10:29
 * @desc 订单接口服务类
 **/
@RestController
@RequestMapping(path = "/orderApi")
public class OrderApi extends BaseController {

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

    @Autowired
    private IOrderServiceSMO orderServiceSMOImpl;


    @RequestMapping(path = "/service",method= RequestMethod.POST)
    @ApiOperation(value="中心服务订单受理", notes="test: 返回 200 表示服务受理成功，其他表示失败")
    @ApiImplicitParam(paramType="query", name = "orderInfo", value = "订单受理信息", required = true, dataType = "String")
    public ResponseEntity<String> servicePost(@RequestBody String orderInfo, HttpServletRequest request) {

        ResponseEntity<String> responseEntity = null;

        try {
            Map<String, String> headers = new HashMap<String, String>();
            getRequestInfo(request, headers);
            logger.debug("订单服务请求报文为: {},请求头为:{}",orderInfo,headers);
            //接受请求事件
            DataFlowEventPublishing.receiveRequest(orderInfo,headers);
            //预校验
            preValiateOrderInfo(orderInfo);
            responseEntity =  orderServiceSMOImpl.service(orderInfo, headers);
        }catch (Exception e){
            logger.error("请求订单异常",e);
            responseEntity =  new ResponseEntity<String>("请求中心服务发生异常，"+e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
        }finally {

            logger.debug("订单服务返回报文为: {}",responseEntity);
            return responseEntity;
        }
    }
    /**
     * 这里预校验，请求报文中不能有 dataFlowId
     * @param orderInfo
     */
    private void preValiateOrderInfo(String orderInfo) {

        Assert.jsonObjectHaveKey(orderInfo,"orders","请求报文中未包含orders节点，"+orderInfo);

        Assert.jsonObjectHaveKey(orderInfo,"business","请求报文中未包含business节点，"+orderInfo);

        if(JSONObject.parseObject(orderInfo).getJSONObject("orders").containsKey("dataFlowId")){
            throw new BusinessException(ResponseConstant.RESULT_CODE_ERROR,"报文中不能存在dataFlowId节点");
        }
    }
    /**
     * 这里预校验，请求报文中不能有 dataFlowId
     * @param orderInfo
     */
    private void preValiateOrderInfo(String orderInfo,Map<String, String> headers) {

        Assert.hasKey(headers,"serviceCode","没有包含serviceCode");

        Assert.hasLength(headers.get("serviceCode"),"serviceCode 不能为空");

        Assert.hasKey(headers,"appId","没有包含appId");

        Assert.hasLength(headers.get("appId"),"appId 不能为空");
    }

    /**
     * 获取请求信息
     * @param request
     * @param headers
     * @throws RuntimeException
     */
    private void getRequestInfo(HttpServletRequest request,Map headers) throws Exception{
        try{
            super.initHeadParam(request,headers);
            super.initUrlParam(request,headers);
        }catch (Exception e){
            logger.error("加载头信息失败",e);
            throw e;
        }
    }


    public IOrderServiceSMO getOrderServiceSMOImpl() {
        return orderServiceSMOImpl;
    }

    public void setOrderServiceSMOImpl(IOrderServiceSMO orderServiceSMOImpl) {
        this.orderServiceSMOImpl = orderServiceSMOImpl;
    }
}