package com.dji.sample.territory.service.impl;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.dji.sample.media.model.MediaFileEntity;
import com.dji.sample.patches.model.entity.LotInfo;
import com.dji.sample.territory.dao.ITbFjMapper;
import com.dji.sample.territory.model.entity.TbFjEntity;
import com.dji.sample.territory.service.ITbFJService;
import com.google.gson.JsonObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

@Service
@DS("sqlite")
public class TbFjServiceImpl implements ITbFJService {
    @Autowired
    private ITbFjMapper mapper;

    /**
     * 按照地块编号所对应的信息和音视频文件存入sqlite数据库
     *
     * @param mediaFile
     * @param lotInfo
     * @return
     * @throws IOException
     */
    public int insertData(List<MediaFileEntity> mediaFile, LotInfo lotInfo) throws IOException {
        int count = 0;
        List<TbFjEntity> list = new ArrayList<>();
        TbFjEntity tbFj;
        for (int i = 0; i < mediaFile.size(); i++) {
            MediaFileEntity file = mediaFile.get(i);
            tbFj = dbConvertToEntity(file, lotInfo);
            list.add(tbFj);
            mapper.insert(tbFj);
            count++;
        }
        return count;
    }

    /**
     * 将Media和Lotinfo实体类转化为TbFjEntity实体类
     *
     * @param mediaFile
     * @param lotInfo
     * @return
     * @throws IOException
     */
    private TbFjEntity dbConvertToEntity(MediaFileEntity mediaFile, LotInfo lotInfo) throws IOException {
        String jsonString = JSONObject.toJSONString(mediaFile.getMetadata());
        JSONObject jsonObject = JSONObject.parseObject(jsonString);
        Double absoluteAltitude = jsonObject.getDouble("absoluteAltitude");
        Double relativeAltitude = jsonObject.getDouble("relativeAltitude");
        Double gimbalYawDegree = jsonObject.getDouble("gimbalYawDegree");
        JSONObject shootPosition = jsonObject.getJSONObject("shootPosition");
        Double lat = shootPosition.getDouble("lat");
        Double lng = shootPosition.getDouble("lng");
        int psjd = 0;
        String fjhxz = "0";
        int pshgj = 0;
        String jym = "0";
        String psry = "0";
        String zsdm = "0";
        String dklx = "0";
        String xzqdm = "0";
        Long pssj = mediaFile.getCreateTime();
        String bsm = UUID.randomUUID().toString();
        String fjmc = mediaFile.getFileName();
        String key = mediaFile.getObjectKey();
        String head = "http://dev.jxpskj.com:9000/cloud-bucket";
        String url = head + key;
        File file =downloadFile(url);
        File file1=WaterMark.addWatermark(file,patchesConfigPojo.getUnzip(),pssj,lat,lng);
        byte[] FJ = fileToByteArray(file1);
        TbFjEntity.TbFjEntityBuilder builder = TbFjEntity.builder();
        if (lotInfo != null) {
            builder.bsm(bsm)
                    .dkbsm(lotInfo.getDkbh())
                    .xzqdm(xzqdm)
                    .dklx(dklx)
                    .xdgd(relativeAltitude)
                    .jdgd(absoluteAltitude)
                    .Latitude(lat)
                    .longitude(lng)
                    .fj(FJ)
                    .fjmc(fjmc)
                    .fjlx(1)
                    .psfyj(gimbalYawDegree)
                    .pssj(String.valueOf(pssj))
                    .psjd(psjd)
                    .fjhxz(fjhxz)
                    .pshgj(pshgj)
                    .zsdm(zsdm)
                    .psry(psry)
                    .jym(jym)
                    .build();
        } else {
            throw new IllegalArgumentException("未匹配到相关地块");
        }
        return builder.build();
    }

    /**
     * 将音视频文件转换成字节流
     *
     * @param fileUrl
     * @return
     */
    public  File downloadFile(String fileUrl) {

        File downloadedFile = null;
        String localFilePath =  patchesConfigPojo.getUnzip()+ "tmp.jpg";
        try {
            URL url = new URL(fileUrl);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");

            downloadedFile = new File(localFilePath);

            try (InputStream inputStream = connection.getInputStream();
                 OutputStream outputStream = new FileOutputStream(downloadedFile)) {
                byte[] buffer = new byte[1024];
                int bytesRead;
                while ((bytesRead = inputStream.read(buffer)) != -1) {
                    outputStream.write(buffer, 0, bytesRead);
                }
            }

            System.out.println("File downloaded and saved at: " + downloadedFile.getAbsolutePath());

        } catch (IOException e) {
            e.printStackTrace();
        }

        return downloadedFile;
    }

    public static byte[] fileToByteArray(File file) throws IOException {
        FileInputStream fis = new FileInputStream(file);
        byte[] data = new byte[(int) file.length()];
        fis.read(data);
        fis.close();
        return data;
    }

}