package com.ycl.service.video.impl;

import com.alibaba.druid.util.StringUtils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ycl.dto.video.*;
import com.ycl.entity.video.VideoAlarmReport;
import com.ycl.mapper.video.VideoAlarmReportMapper;
import com.ycl.service.caseHandler.IViolationsService;
import com.ycl.service.video.IVideoAlarmReportService;
import com.ycl.utils.MediaFileUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.imageio.ImageIO;
import javax.xml.bind.DatatypeConverter;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * VideoAlarmReportServiceImpl
 *
 * @version V1.0
 * @author: AI
 * @date: 2022-09-20 17:36
 **/
@Service
public class VideoAlarmReportServiceImpl extends ServiceImpl<VideoAlarmReportMapper, VideoAlarmReport> implements IVideoAlarmReportService {

    private MediaFileUtil mediaFileUtil;
    private IViolationsService violationsService;

    @Autowired
    public void setMediaFileUtil(MediaFileUtil mediaFileUtil) {
        this.mediaFileUtil = mediaFileUtil;
    }

    @Autowired
    public void setViolationsService(IViolationsService violationsService) {
        this.violationsService = violationsService;
    }

    @Override
    public void save(AlarmParam alarmParam) {
        if (alarmParam != null && alarmParam.getAlarmData() != null) {
            CameraInfParam cameraInf = alarmParam.getCameraInf();
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
            String picData = "";
            if (!StringUtils.isEmpty(alarmParam.getPicData())) {
//                String[] strings = alarmParam.getPicData().split(",");
                String extension = "jpg";

                byte[] data = DatatypeConverter.parseBase64Binary(alarmParam.getPicData());
                InputStream inputStream = new ByteArrayInputStream(data);

                try {
                    if (!StringUtils.isEmpty(alarmParam.getAlarmData().getAlarmObject().toString())) {
                        String alarmObject = JSON.toJSONString(alarmParam.getAlarmData().getAlarmObject());
                        if (!StringUtils.isEmpty(alarmObject)) {
                            BufferedImage image = ImageIO.read(inputStream);

                            Graphics2D g2 = (Graphics2D)image.getGraphics();
                            g2.setColor(Color.RED);
                            g2.setStroke(new BasicStroke(3.0f));
                            List<AlarmObject> alarmObjects = JSON.parseArray(alarmObject, AlarmObject.class);
                            alarmObjects.forEach(o -> {
                                o.getObjectRect().forEach(rect -> {
                                    g2.drawRect(rect.getX(), rect.getY(), rect.getW(), rect.getH());
                                });
                            });
                            ByteArrayOutputStream os = new ByteArrayOutputStream();
                            ImageIO.write(image, extension, os);
                            inputStream = new ByteArrayInputStream(os.toByteArray());
                        }
                    }
                    picData = mediaFileUtil.savePicture(inputStream, extension);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            List<VideoAlarmReport> videoAlarmReports = new ArrayList<>();

            AlarmDataParam alarmData = alarmParam.getAlarmData();
            List<VideoAlarmReport> list = getByAlarmId(alarmData.getAlarmID());
            try {
                Date date = sdf.parse(alarmData.getAlarmTime());
                Instant instant = date.toInstant();
                ZoneId zoneId = ZoneId.systemDefault();
                VideoAlarmReport videoAlarmReport = VideoAlarmReport.builder()
                        .ip(cameraInf.getIp()).port(cameraInf.getPort())
                        .user(cameraInf.getUser()).password(cameraInf.getPassword())
                        .channel(cameraInf.getChannel()).platResourceId(cameraInf.getPlatResourceID())
                        .picData(picData).alarmTime(instant.atZone(zoneId).toLocalDateTime())
                        .alarmId(alarmData.getAlarmID()).algoType(alarmData.getAlgoType())
                        .algoName(alarmData.getAlgoName()).alarmObj(JSON.toJSONString(alarmData.getAlarmObject()))
                        .build();
                if (list.size() == 0) {

                    videoAlarmReports.add(videoAlarmReport);

                    this.saveBatch(videoAlarmReports, videoAlarmReports.size());

                    violationsService.saveFromVideo(videoAlarmReports);

                } else {
                    videoAlarmReport.setId(list.get(0).getId());
                    this.updateById(videoAlarmReport);
                }
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
    }

    private List<VideoAlarmReport> getByAlarmId(String alarmId) {
        LambdaQueryWrapper<VideoAlarmReport> queryWrapper = new LambdaQueryWrapper<VideoAlarmReport>().eq(VideoAlarmReport::getAlarmId, alarmId);
        return this.list(queryWrapper);
    }
}