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

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.dji.sample.patches.config.pojo.PatchesConfigPojo;
import com.dji.sample.patches.constant.FileSufConstant;
import com.dji.sample.patches.dao.ShpToDataSourceMapper;
import com.dji.sample.patches.kml.KmlData;
import com.dji.sample.patches.kml.KmlLine;
import com.dji.sample.patches.kml.KmlPoint;
import com.dji.sample.patches.kml.KmlPolygon;
import com.dji.sample.patches.model.dto.ShpDTO;
import com.dji.sample.patches.model.entity.LotInfo;
import com.dji.sample.patches.service.ShpToDataSourceService;
import com.dji.sample.patches.utils.*;
import com.dji.sample.patches.xml.mode.XMLTemplateModel;
import com.dji.sample.patches.xml.utils.CreateWaylineFileUtils;
import com.dji.sample.territory.model.entity.TbDkjbxxEntity;
import com.dji.sample.wayline.service.IWaylineFileService;
import de.micromata.opengis.kml.v_2_2_0.Coordinate;
import lombok.extern.slf4j.Slf4j;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.locationtech.jts.io.ParseException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.UUID;

import static com.dji.sample.patches.utils.FormatConversionUtil.getCentros;
import static com.dji.sample.patches.utils.MultipartFileTOFileUtil.convert;
import static com.dji.sample.patches.utils.TimerUtil.getNowDay;
import static com.dji.sample.patches.utils.ZipUtil.*;
import static com.dji.sample.territory.utils.CoordinateSystemUtil.*;
import static org.locationtech.jts.io.WKTConstants.POLYGON;

@Service
@Slf4j
public class ShpToDataSourceServiceImpl implements ShpToDataSourceService {

    @Autowired
    private ShpToDataSourceMapper shpToDataSourceMapper;

    private String head = POLYGON;
    private MultipartFile multipartFile;

    String json;

    @Autowired
    private PatchesConfigPojo patchesConfigPojo;

    @Transactional
    public MultipartFile insertGeo(MultipartFile file,
                                   String workspaceId,
                                   String waylineName,
                                   double airportLat,
                                   double airportLon,
                                   String creator){
        // zip 格式
        if (file.getOriginalFilename().endsWith(FileSufConstant.FILE_SUFFIX_ZIP)) {
            List<LotInfo> list = new ArrayList<>();
            File file1 = MultipartFileTOFileUtil.multipartFile2File(file, patchesConfigPojo.getUnzip());
            List<ShpDTO> shpData = null;
            try {
                shpData = ShapeFileUtil.shpToGeoJson(file1);
            } catch (IOException | ParseException e) {
                throw new RuntimeException(e);
            }
            for (ShpDTO shpDatum : shpData) {
                LotInfo lotInfo = new LotInfo();
                String uuid = UUID.randomUUID().toString();
                String bsm = uuid.replaceAll("-", "");
                lotInfo.setBsm(bsm);
                lotInfo.setUserName(creator);
                lotInfo.setWorkspaceId(workspaceId);
                lotInfo.setDkfw(poylonCGCStoWGS(convertToWKT(shpDatum.getDKFW())));
                lotInfo.setDkbh(shpDatum.getDKBH());
                lotInfo.setXzb(shpDatum.getXZB());
                lotInfo.setYzb(shpDatum.getYZB());
                lotInfo.setXzqdm(shpDatum.getXZQDM());
                lotInfo.setXmc(DistrictCodeUtils.codeToName(lotInfo.getXzqdm()));
                list.add(lotInfo);
                shpToDataSourceMapper.insert(lotInfo);
            }
            MultipartFile multipartFile = createWaylineFile(waylineName, airportLat, airportLon, list);
            MultipartFileTOFileUtil.deleteFile(file1);
            return  multipartFile;
        }
        // kmz 格式
        if (file.getOriginalFilename().endsWith(FileSufConstant.FILE_SUFFIX_KMZ)){
            try {
                InputStream inputStream = file.getInputStream();
                // 转换 kmz 文件并获取数据
                KmlData kmlData = ParsingKmlUtil.parseKMZFile(inputStream);
                log.info("kmlData:{}",kmlData);
                MultipartFile multipartFile = insertLOTAndGetMultipartFile(workspaceId, waylineName, airportLat, airportLon, creator, kmlData);
                // 返回
                if (multipartFile != null) return multipartFile;
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        // kml 格式
        if (file.getOriginalFilename().endsWith(FileSufConstant.FILE_SUFFIX_KML)) {
            try {
                InputStream inputStream = file.getInputStream();
                KmlData kmlData = ParsingKmlUtil.parseKmlByInputstream(inputStream);
                log.info("kmlData:{}",kmlData);
                MultipartFile multipartFile = insertLOTAndGetMultipartFile(workspaceId, waylineName, airportLat, airportLon, creator, kmlData);
                // 返回
                if (multipartFile != null) return multipartFile;
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return null;
    }

    /**
     * 保存图斑信息和生成航线文件
     * @param workspaceId
     * @param waylineName
     * @param airportLat
     * @param airportLon
     * @param creator
     * @param kmlData
     * @return
     * @throws IOException
     */
    @Nullable
    public MultipartFile insertLOTAndGetMultipartFile(String workspaceId,
                                                      String waylineName,
                                                      double airportLat,
                                                      double airportLon,
                                                      String creator,
                                                      KmlData kmlData
    ) {
        if (null!=kmlData){
            List<LotInfo> list = new ArrayList<>();
            // 点、线暂不处理
            if (null!=kmlData.getKmlPoints() && kmlData.getKmlPoints().size()>0){
                List<KmlPoint> kmlPointList = kmlData.getKmlPoints();
            }
            if (null!=kmlData.getKmlLines() && kmlData.getKmlLines().size()>0){
                List<KmlLine> kmlLineList = kmlData.getKmlLines();
            }
            // 处理面状数据
            if (null!=kmlData.getKmlPolygons() && kmlData.getKmlPolygons().size()>0){
                List<KmlPolygon> kmlPolygonList = kmlData.getKmlPolygons();
                // 保存图斑信息
                this.saveLot(workspaceId, creator, list, kmlPolygonList);
                // 生成航线文件
                MultipartFile multipartFile = createWaylineFile(waylineName, airportLat, airportLon, list);
                // 返回
                return  multipartFile;
            }
        }
        return null;
    }

    /**
     * 创建航线文件
     * @param waylineName 航线名称
     * @param airportLat
     * @param airportLon
     * @param list
     * @return
     * @throws IOException
     */
    @NotNull
    public MultipartFile createWaylineFile(String waylineName, double airportLat, double airportLon, List<LotInfo> list) {
        try {
            List<PointPO> coordinates = GeoToolsUtil.getRoutePointOrder(list, airportLat, airportLon);
            XMLTemplateModel xmlModel = XMLTemplateModel.init(coordinates, list);
            CreateWaylineFileUtils.createWaylineFile(xmlModel, patchesConfigPojo.getTemplate(), patchesConfigPojo.getTargetTemplate(), patchesConfigPojo.getWaylines(), patchesConfigPojo.getTargetWaylines());
            // 压缩文件夹中的内容
            String destKMZFile = patchesConfigPojo.getDestKMZFile() + waylineName + ".kmz"; // 输出的KMZ文件路径
            zipFolder(patchesConfigPojo.getSourceDir(), destKMZFile);
            return convert(new File(destKMZFile));
        }catch (IOException e){
            throw new RuntimeException(e);
        }
    }

    /**
     * 保存图斑信息
     * @param workspaceId
     * @param creator
     * @param list
     * @param kmlPolygonList
     */
    public void saveLot(String workspaceId, String creator, List<LotInfo> list, List<KmlPolygon> kmlPolygonList) {
        for (KmlPolygon kmlPolygon : kmlPolygonList) {
            LotInfo lotInfo = new LotInfo();
            String uuid = UUID.randomUUID().toString();
            String bsm = uuid.replaceAll("-", "");
            lotInfo.setBsm(bsm);
            lotInfo.setUserName(creator);
            lotInfo.setWorkspaceId(workspaceId);
            lotInfo.setDkbh(getNowDay());
            lotInfo.setDkfw(handlePolygon(kmlPolygon.getPoints()));
            list.add(lotInfo);
            shpToDataSourceMapper.insert(lotInfo);
        }
    }

    /**
     * 处理面状数据
     * @param coordinates
     * @return
     */
    private String handlePolygon(List<de.micromata.opengis.kml.v_2_2_0.Coordinate> coordinates) {
        // 转换为WKT格式
        StringBuilder wkt = new StringBuilder("POLYGON((");
        for (Coordinate coordinate : coordinates) {
            wkt.append(coordinate.getLongitude()).append(" ").append(coordinate.getLatitude()).append(",");
        }
        // 添加第一个点的坐标以闭合多边形
        wkt.append(coordinates.get(0).getLongitude()).append(" ").append(coordinates.get(0).getLatitude()).append("))");
        // 返回
        return wkt.toString();
    }

    @Transactional
    public void savaInMysql(List<TbDkjbxxEntity> list, String workspaceId,String id,String name) {
        for (int i = 0; i < list.size(); i++) {
            LotInfo lotInfo = new LotInfo();
            lotInfo.setWorkspaceId(workspaceId);
            lotInfo.setTaskId(id);
            lotInfo.setType(2);
            lotInfo.setTaskName(name);
            lotInfo = dbConvertToEntity(list.get(i), workspaceId, id, name);
            shpToDataSourceMapper.insert(lotInfo);
        }
    }


    /**
     * 将SQlite数据库中DKJBXX对象转换为LotInfo对象。
     *
     * @param file 需要转换的DKJBXX对象。
     * @return 返回一个构建好的LotInfo对象，包含从数据库实体中转换来的信息。
     */
    private LotInfo dbConvertToEntity(TbDkjbxxEntity file, String workspaceId,String id,String name) {
        LotInfo.LotInfoBuilder builder = LotInfo.builder();
        builder.bsm(file.getFId())
                .xzqdm(file.getFXzqdm())
                .dkbh(file.getFTbbh())
                .dkfw(file.getFShape())
                .workspaceId(workspaceId)
                .isPlan(0)
                .isPush(0)
                .xmc(DistrictCodeUtils.nameToCode(file.getFXzqdm()))
                .investigate(0)
                .taskId(id)
                .taskName(name)
                .build();
        return builder.build();
    }

//    private LotInfo shpDtoToLotInfo(ShpDTO shpDTO){
//        LotInfo.LotInfoBuilder builder=LotInfo.builder();
//        builder.
//
//    }

    public List<LotInfo> getNoPlan(){
   return shpToDataSourceMapper.selectList(new LambdaQueryWrapper<LotInfo>().eq(LotInfo::getIsPlan,0));
    }
    public static String convertToWKT(String coordinates) {
        // Remove outermost square brackets and split by comma
        String cleanedCoordinates = coordinates.substring(4, coordinates.length() - 4);
        String[] polygons = cleanedCoordinates.split("\\]\\],\\[\\[");
        StringBuilder wkt = new StringBuilder("MULTIPOLYGON(");

        for (String polygon : polygons) {
            wkt.append("((");
            String[] points = polygon.split("\\],\\[");
            for (String point : points) {
                String[] coords = point.split(",");
                double x = Double.parseDouble(coords[0]);
                double y = Double.parseDouble(coords[1]);
                wkt.append(x).append(" ").append(y).append(", ");
            }
            // Remove the last comma and space
            wkt.setLength(wkt.length() - 2);
            wkt.append(")), ");
        }
        // Remove the last comma and space, and close the polygon
        wkt.setLength(wkt.length() - 2);
        wkt.append(")");

        return wkt.toString();
    }
}