package org.example.controller;

import com.alibaba.fastjson.JSONArray;
import org.example.dto.FillCutDto;
import org.example.service.RingGridService;
import org.example.test.CreateRingGridFix;
import org.example.utils.CommonResult;
import org.geotools.api.geometry.Position;
import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
import org.geotools.coverage.grid.GridCoordinates2D;
import org.geotools.coverage.grid.GridCoverage2D;
import org.geotools.coverage.grid.GridGeometry2D;
import org.geotools.coverage.processing.Operations;
import org.geotools.gce.geotiff.GeoTiffReader;
import org.geotools.geometry.Position2D;
import org.geotools.referencing.CRS;
import org.geotools.util.factory.Hints;
import org.locationtech.jts.geom.Coordinate;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.Point;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.Mapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

@RestController
public class RingGridController {
    @Autowired
    public RingGridService ringGridService;

    @RequestMapping("/fillcut")
    public CommonResult<Map<String,Object>> calcFillCut(FillCutDto fcd) throws Exception {

        Coordinate[] coordinates = new Coordinate[5];
        double range = 10; // 容差
        double paramRange = fcd.getRange();
        String paramCoordinate = fcd.getCoordinates();
        if(paramRange != 0) range = paramRange;
        if(!paramCoordinate.isEmpty()){
            try{
                // 解析字符串
                JSONArray coordinateArray = (JSONArray)JSONArray.parse(paramCoordinate);
                coordinates = new Coordinate[coordinateArray.size()+1];
                for(int i=0;i<coordinateArray.size();i++){
                    JSONArray cd = (JSONArray)coordinateArray.get(i);
                    coordinates[i] = new Coordinate(
                            Double.parseDouble(cd.get(0).toString()),
                            Double.parseDouble(cd.get(1).toString())
                    );
                }
                // 闭合多边形，复制第一个坐标作为最后一个坐标
                JSONArray ja = (JSONArray)coordinateArray.get(0);
                coordinates[coordinateArray.size()] = new Coordinate(
                        Double.parseDouble(ja.get(0).toString()),
                        Double.parseDouble(ja.get(1).toString())
                );
            }catch (Exception e){
                e.printStackTrace();
                return new CommonResult<>(false,"解析坐标失败！");
            }
        }else{
            return new CommonResult<>(false,"缺少必要参数！");
        }


        return ringGridService.calcFillCut(coordinates,range);
    }

}