package com.se.nsl.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.se.nsl.domain.po.Simu;
import com.se.nsl.domain.po.SimuData;
import com.se.nsl.domain.vo.*;
import com.se.nsl.service.RealTimeSimulationService;
import com.se.nsl.service.ResolveService;
import com.se.nsl.service.SimuService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.gdal.ogr.Geometry;
import org.gdal.ogr.ogr;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.List;

@Api(tags = "03－推演模拟")
@Slf4j
@RestController
@RequestMapping("/simu")
@SuppressWarnings("ALL")
public class SimuController extends BaseController {
    @Resource
    SimuService simuService;

    @Resource
    ResolveService resolveService;

    @Resource
    RealTimeSimulationService rts;

    /**
     * 分页查询推演模拟
     *
     * @param pageNum  页码
     * @param pageSize 每页数量
     * @return 分页后的推演模拟
     */
    @ApiOperation(value = "selectPage")
    @GetMapping("/selectPage")
    public R<Object> selectPage(SimuVo vo, Integer pageNum, Integer pageSize) {
        try {
            if (null == pageNum || pageNum < 1) pageNum = 1;
            if (null == pageSize || pageSize < 1) pageSize = 10;
            if (pageSize > 1000) pageSize = 1000;

            IPage<Simu> paged = simuService.selectPage(vo, pageNum, pageSize);
            if (null == paged) {
                return success(null, 0);
            }

            return success(paged.getRecords(), paged.getTotal());
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    /**
     * 根据ID批量删除推演模拟
     *
     * @param ids 要删除的推演模拟ID列表
     * @return 删除成功的记录数
     */
    @ApiOperation(value = "deleteByIds")
    @DeleteMapping("/deleteByIds")
    public R<Object> deleteByIds(@RequestParam List<Integer> ids) {
        try {
            return success(simuService.deleteByIds(ids));
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    /**
     * 新增推演模拟
     *
     * @param simu 推演模拟对象
     * @return 新增成功的记录数
     */
    @ApiOperation(value = "insert")
    @PostMapping(value = "/insert", produces = "application/json; charset=UTF-8")
    public R<Object> insert(@RequestBody Simu simu) {
        try {
            if (StringUtils.isEmpty(simu.getData())) return fail("data为空");

            SimuData data = JSON.parseObject(simu.getData(), SimuData.class);
            if (null == data) return fail("data数据格式(JSON)不正确");
            if (StringUtils.isEmpty(simu.getGeom())) return fail("geom字符串不是WKT格式");

            Geometry geom = Geometry.CreateFromWkt(simu.getGeom());
            if (!(geom.GetGeometryType() == ogr.wkbMultiPolygon || geom.GetGeometryType() == ogr.wkbPolygon))
                return fail("geom对象不是多边形");

            int rows = simuService.insert(simu);
            System.out.println(String.format("id:%s", simu.getId()));

            if (rows > 0 && (null == data.getRainfalls() || data.getRainfalls().size() < 2)) {
                resolveService.createRainfall(simu);
                simuService.updateById(simu);
            }
            JSONObject json = new JSONObject();
            json.put("id", simu.getId());
            return success(json);
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @ApiOperation(value = "start")
    @GetMapping(value = "/start", produces = "application/json; charset=UTF-8")
    public R<Object> start(Integer id) {
        try {
            if (null == id || id < 1) return fail("id为空");

            Simu simu = simuService.selectById(id);
            if (null == simu) return fail("方案找不到");
            if (StringUtils.isEmpty(simu.getData())) return fail("方案数据(JSON)为空");

            SimuData data = JSON.parseObject(simu.getData(), SimuData.class);
            if (null == data) return fail("方案数据格式(JSON)不正确");

            //if (simu.getStatus() != 0) return fail("方案正在运行或已完成");
            if (StringUtils.isEmpty(simu.getGeom())) return fail("方案的图形为空");

            int rows = resolveService.start(simu);

            return success("ok");
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    /**
     * 修改推演模拟
     *
     * @param simu 推演模拟对象
     * @return 修改成功的记录数
     */
    @ApiOperation(value = "updateById")
    @PutMapping(value = "/updateById", produces = "application/json; charset=UTF-8")
    public R<Object> updateById(@RequestBody Simu simu) {
        try {
            if (StringUtils.isEmpty(simu.getData())) return fail("data为空");

            SimuData data = JSON.parseObject(simu.getData(), SimuData.class);
            if (null == data) return fail("data数据格式(JSON)不正确");
            if (StringUtils.isEmpty(simu.getGeom())) return fail("geom字符串不是WKT格式");

            Geometry geom = Geometry.CreateFromWkt(simu.getGeom());
            if (!(geom.GetGeometryType() == ogr.wkbMultiPolygon || geom.GetGeometryType() == ogr.wkbPolygon))
                return fail("geom对象不是多边形");

            if (null == data.getRainfalls() || data.getRainfalls().size() < 2) resolveService.createRainfall(simu);

            return success(simuService.updateById(simu));
        } catch (Exception ex) {
            return fail(ex, null);
        }
    }

    @ApiOperation(value = "position")
    @GetMapping("/position")
    public R<Object> queryByPosition(double lon, double lat, Long time, String serviceName) {
        if (lon > 180 || lon < -180) {
            return clientError("经度范围应该在-180到180");
        }
        if (lat > 90 || lat < -90) {
            return clientError("纬度范围应该在-90到90");
        }
        if (time == null) {
            return clientError("时间戳不能为空");
        }
        if (serviceName == null || serviceName.trim().isEmpty()) {
            return clientError("服务名不能为空");
        }
        SimuResult result = simuService.queryByPosition(lon, lat, time, serviceName);
        if (result == null) {
            return notFound("未查找到相关数据");
        }
        return success(result);
    }

    @ApiOperation(value = "realTime")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "date1", value = "5分钟前的时间，格式为2025-05-31 14:15:20"),
            @ApiImplicitParam(name = "rainfall1", value = "5分钟前的降雨强度"),
            @ApiImplicitParam(name = "date2", value = "当前时间，格式为2025-05-31 14:20:20"),
            @ApiImplicitParam(name = "rainfall2", value = "当前的降雨强度"),
            @ApiImplicitParam(name = "serviceName", value = "服务名")
    })
    @GetMapping("/realTime")
    public R<Object> realTimeSimulate(String date1, double rainfall1,
                                      String date2, double rainfall2, String serviceName) {
        RealTimeInput input = new RealTimeInput();
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        LocalDateTime t1 = LocalDateTime.parse(date1, formatter);
        LocalDateTime t2 = LocalDateTime.parse(date2, formatter);
        RealTimeInput.RealTimeData d1 = new RealTimeInput.RealTimeData();
        d1.setDateTime(t1);
        d1.setIntensity(rainfall1);
        RealTimeInput.RealTimeData d2 = new RealTimeInput.RealTimeData();
        d2.setDateTime(t2);
        d2.setIntensity(rainfall2);
        input.setData(Arrays.asList(d1, d2));
        input.setServiceName(serviceName);

        try {
            String layerJsonName = resolveService.realTimeSimulate(input);
            return success(layerJsonName);
        } catch (IOException e) {
            log.error("real-time simulate exception:", e);
            return fail("实时模拟异常");
        }
    }

    @ApiOperation(value = "realTime")
    @PostMapping("/realTime2")
    public R<Object> realTimeSimulate(@RequestBody RealTimeSimuParam param) {
        try {
            String layerJsonName = rts.realTimeSimulate(param);
            return success(layerJsonName);
        } catch (IOException e) {
            log.error("real-time simulate exception:", e);
            return fail("实时模拟异常");
        }
    }
}