package com.objecteye.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.objecteye.config.RabbitmqConfig;
import com.objecteye.entity.ResponseParam;
import com.objecteye.entity.UploadVehicleResult;
import com.objecteye.entity.VpAnalysisParam;
import com.objecteye.exception.CustomXException;
import com.objecteye.service.IUploadFileService;
import com.objecteye.utils.GlobalUtil;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;

@Component
public class UploadFileServiceImpl implements IUploadFileService {
    @Autowired
    private RabbitTemplate rabbitTemplate;

    @Value("${picture.storePath}")
    private String storePath;
    @Value("${picture.http}")
    private String http;
    @Value("${requestFile}")
    private String url;

    /**
     * 上传文件解析并保存到mongo, 代替ftp
     *
     * @param multipartFile 上传文件
     * @return 结果集
     */
    @Override
    public JSONObject uploadFile2Mongo(MultipartFile multipartFile) throws IOException {
        // 格式化文件名由format开头, e.g. format-15321354564-12.12654_15.156567.jpg
        String fileName = multipartFile.getOriginalFilename();
        if (fileName == null || "".equals(fileName)) {
            throw new CustomXException("文件名不能不能为空", "201");
        }
        String picPath = storePath + fileName;
        File newFile = new File(picPath);
        multipartFile.transferTo(newFile);

        String picUrl = http + fileName;
        String latitude = null;
        String longitude = null;
        long captureTime = System.currentTimeMillis();
        if (fileName.startsWith("format")) {
            String[] fileNameMsg = fileName.split("-");
            captureTime = Long.parseLong(fileNameMsg[1]);
            String[] position = fileNameMsg[2].split("_");
            latitude = position[0];
            longitude = position[1].substring(0, position[1].lastIndexOf("."));
        }

        String body = GlobalUtil.httpExecute(url, newFile);
        ResponseParam responseParam = JSON.parseObject(body, ResponseParam.class);
        String code = responseParam.getCode();
        if ("0".equals(code)) {
            String s1 = JSON.toJSONString(responseParam.getResult());
            VpAnalysisParam vpAnalysisParam = JSON.parseObject(s1, VpAnalysisParam.class);
            UploadVehicleResult uploadVehicleResult = new UploadVehicleResult();
            uploadVehicleResult.setCount(vpAnalysisParam.getCount());
            uploadVehicleResult.setInfo(vpAnalysisParam.getInfo());
            uploadVehicleResult.setPicName(fileName);
            uploadVehicleResult.setImageUrl(picUrl);
            uploadVehicleResult.setLatitude(latitude);
            uploadVehicleResult.setLongitude(longitude);
            uploadVehicleResult.setCaptureTime(captureTime);
            String s = JSON.toJSONString(uploadVehicleResult);
            rabbitTemplate.convertAndSend(RabbitmqConfig.EXCHANGE_TOPICS_INFORM, "inform.store", s);
        }
        return new JSONObject();
    }
}