package com.moon.server.controller.data;

import com.moon.server.annotation.SysLog;
import com.moon.server.controller.all.BaseController;
import com.moon.server.entity.all.ResponseMsg;
import com.moon.server.entity.all.StaticData;
import com.moon.server.helper.StringHelper;
import com.moon.server.helper.WebHelper;
import com.moon.server.service.data.RasterAnalysisService;
import com.moon.server.service.data.SlopeAnalysisService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.gdal.ogr.Geometry;
import org.gdal.ogr.ogr;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;

/**
 * 栅格分析
 * @author WWW
 * @date   2023-08-23
 */
@Api(tags = "数据管理\\栅格分析")
@RestController
@RequestMapping("/rasterAnalysis")
public class RasterAnalysisController extends BaseController {
    @Resource
    RasterAnalysisService rasterService;

    @Resource
    SlopeAnalysisService slopeAnalysisService;

    private final static List<Integer> PIXELS = new ArrayList<>(Arrays.asList(1, 2, 4, 8, 16, 32, 64, 128, 256));

    private final static List<Integer> NODES = new ArrayList<>(Arrays.asList(16, 32, 64, 96, 128, 192, 256, 384, 512, 768, 1024));

    @SysLog()
    @ApiOperation(value = "查询点分析")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "wkt", value = "点WKT", dataType = "String", example = "POINT (157.750107 29.036669)"),
            @ApiImplicitParam(name = "pixel", value = "像素值", dataType = "Integer", example = "1")
    })
    @GetMapping(value = "/selectByPoint")
    public ResponseMsg<Object> selectByPoint(String wkt, Integer pixel) {
        try {
            if (StringHelper.isEmpty(wkt)) {
                return fail("WKT字符串不能为空");
            }
            Geometry geo = Geometry.CreateFromWkt(wkt);
            if (null == geo || geo.GetGeometryType() != ogr.wkbPoint) {
                return fail("WKT字符串不正确");
            }
            if (null == pixel || !PIXELS.contains(pixel)) {
                return fail("像素值只能为：" + StringHelper.join(PIXELS, ", "));
            }

            List<?> rs = rasterService.analysis(geo, pixel);

            return success(rs.size(), rs);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询线分析")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "wkt", value = "线WKT", dataType = "String", example = "LINESTRING(165.680851 31.333443,166.383982 31.283475,166.016355 30.908709)"),
            @ApiImplicitParam(name = "nodes", value = "节点数", dataType = "Integer", example = "16")
    })
    @GetMapping(value = "/selectByPolyline")
    public ResponseMsg<Object> selectByPolyline(String wkt, Integer nodes) {
        try {
            if (StringHelper.isEmpty(wkt)) {
                return fail("WKT字符串不能为空");
            }
            Geometry geo = Geometry.CreateFromWkt(wkt);
            if (null == geo || geo.GetGeometryType() != ogr.wkbLineString) {
                return fail("WKT字符串不正确");
            }
            if (null == nodes || !NODES.contains(nodes)) {
                return fail("节点数只能为：" + StringHelper.join(NODES, ", "));
            }

            List<?> rs = rasterService.analysis(geo, nodes);

            return success(rs.size(), rs);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @SysLog()
    @ApiOperation(value = "查询面分析")
    @ApiImplicitParams({
            //@ApiImplicitParam(name = "wkt", value = "面WKT", dataType = "String", example = "POLYGON ((165.680851 31.333443,166.383982 31.283475,166.016355 30.908709,165.680851 31.333443))")
            @ApiImplicitParam(name = "wkt", value = "面WKT", dataType = "String", example = "POLYGON ((56.61 33.94,115.04 33.56,114.09 -7.17,52.22 -6.22,56.61 33.94))")
    })
    @GetMapping(value = "/selectByPolygon")
    public ResponseMsg<Object> selectByPolygon(String wkt) {
        try {
            if (StringHelper.isEmpty(wkt)) {
                return fail("WKT字符串不能为空");
            }
            Geometry geo = Geometry.CreateFromWkt(wkt);
            if (null == geo || geo.GetGeometryType() != ogr.wkbPolygon) {
                return fail("WKT字符串不正确");
            }

            List<?> rs = rasterService.analysis(geo, 0);

            return success(rs.size(), rs);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @SysLog()
    @ApiOperation(value = "使用WKT查询分析，结果以消息推送")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "wkt", value = "WKT字符串", dataType = "String", example = "POLYGON ((56.61 33.94,115.04 33.56,114.09 -7.17,52.22 -6.22,56.61 33.94))"),
            @ApiImplicitParam(name = "size", value = "像素值(点)或节点数(线)", dataType = "Integer", example = "16")
    })
    @GetMapping(value = "/selectByWktForPost")
    public void selectByWktForPost(String wkt, Integer size, HttpServletRequest req, HttpServletResponse res) {
        try {
            if (StringHelper.isEmpty(wkt)) {
                WebHelper.writeStr2Page(res, "WKT字符串不能为空");
                return;
            }
            Geometry geo = Geometry.CreateFromWkt(wkt);
            if (null == geo) {
                WebHelper.writeStr2Page(res, "WKT字符串不正确");
                return;
            }
            int wktType = geo.GetGeometryType();
            if (wktType != ogr.wkbPoint && wktType != ogr.wkbLineString && wktType != ogr.wkbPolygon) {
                WebHelper.writeStr2Page(res, "WKT字符串只支持点、线串和面类型");
                return;
            }
            if (null == size || size < 0 || size > StaticData.I1024) {
                WebHelper.writeStr2Page(res, "像素值(点)或节点数(线)值不正确");
                return;
            }

            String token = WebHelper.getToken(req);
            rasterService.analysisForPost(geo, size, token);
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
        }
    }

    @SysLog()
    @ApiOperation(value = "下载坡度分析Excel")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "wkt", value = "WKT字符串", dataType = "String", example = "POLYGON ((-103.2 -12.9,-84.2 -14.3,-86.8 -27.5,-105.1 -25.3,-103.2 -12.9))")
    })
    @GetMapping(value = "/downloadSlopXls")
    public void downloadSlopXls(String wkt, HttpServletRequest req, HttpServletResponse res) {
        try {
            if (StringHelper.isEmpty(wkt)) {
                WebHelper.writeStr2Page(res, "WKT字符串不能为空");
                return;
            }
            Geometry geo = Geometry.CreateFromWkt(wkt);
            if (null == geo) {
                WebHelper.writeStr2Page(res, "WKT字符串不正确");
                return;
            }
            int wktType = geo.GetGeometryType();
            if (wktType != ogr.wkbPolygon) {
                WebHelper.writeStr2Page(res, "WKT字符串只支持面类型");
                return;
            }

            slopeAnalysisService.downloadSlopXls(geo, res);
        } catch (Exception ex) {
            WebHelper.writeStr2Page(res, ex.getMessage());
            log.error(ex.getMessage(), ex);
        }
    }
}