package com.iailab.module.model.mdk.predict;

import com.iailab.module.data.api.point.DataPointApi;
import com.iailab.module.data.api.point.dto.ApiPointDTO;
import com.iailab.module.data.enums.DataPointFreq;
import com.iailab.module.model.mcs.pre.service.MmItemResultService;
import com.iailab.module.model.mdk.factory.ItemEntityFactory;
import com.iailab.module.model.mdk.vo.MmItemOutputVO;
import com.iailab.module.model.mdk.vo.DataValueVO;
import com.iailab.module.model.mdk.vo.PredictResultVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.*;

@Service
public class PredictResultHandler {
    @Autowired
    private MmItemResultService mmItemResultService;

    @Autowired
    private ItemEntityFactory itemEntityFactory;

    @Autowired
    private DataPointApi dataPointApi;

    /**
     * convertToPredictData
     *
     * @param predictResult
     * @return
     */
    public Map<String, List<DataValueVO>> convertToPredictData(PredictResultVO predictResult) {
        Map<String, List<DataValueVO>> resultMap = new HashMap<>();
        List<MmItemOutputVO> itemOutPutList = itemEntityFactory.getOutPutByItemId(predictResult.getPredictId());

        if (!CollectionUtils.isEmpty(predictResult.getPredictList())) {
            resultMap.put(itemOutPutList.get(0).getId(), predictResult.getPredictList());
            return resultMap;
        }
        ApiPointDTO point = dataPointApi.getInfoById(itemOutPutList.get(0).getPointId());
        List<Date> dateTimeList = new ArrayList<>();
        Integer rows = predictResult.getPredictMatrix().length;
        Integer columns = predictResult.getPredictMatrix()[0].length;
        Date tempTime = predictResult.getPredictTime();
        for (Integer i = 0; i < rows; i++) {
            dateTimeList.add(tempTime);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(tempTime);
            calendar.add(Calendar.SECOND, DataPointFreq.getEumByCode(point.getMinfreqid()).getValue());
            tempTime = calendar.getTime();
        }
        for (Integer i = 0; i < columns; i++) {
            List<DataValueVO> predictDataList = new ArrayList<>();
            for (Integer j = 0; j < rows; j++) {
                DataValueVO predictData = new DataValueVO();
                predictData.setDataTime(dateTimeList.get(j));
                predictData.setDataValue(Double.valueOf(predictResult.getPredictMatrix()[j][i]));
                predictDataList.add(predictData);
            }
            resultMap.put(itemOutPutList.get(i).getId(), predictDataList);
            predictResult.setPredictList(predictDataList);
        }
        return resultMap;
    }

    /**
     * savePredictResult
     *
     * @param predictResult
     */
    @Async
    public void savePredictResult(PredictResultVO predictResult) {
        Map<String, List<DataValueVO>> resultMap = convertToPredictData(predictResult);
        mmItemResultService.savePredictValue(resultMap, predictResult.getLt(), "n", predictResult.getPredictTime());
    }

    public List<DataValueVO> getPredictValueByItemNo(String itemNo, Date start, Date end) {
        String itemId = itemEntityFactory.getItemByItemNo(itemNo).getId();
        List<MmItemOutputVO> outputList = itemEntityFactory.getOutPutByItemId(itemId);
        return mmItemResultService.getPredictValue(outputList.get(0).getId(), start, end);
    }

    public List<DataValueVO> getPredictValueByItemId(String itemId, Date start, Date end) {
        List<MmItemOutputVO> outputList = itemEntityFactory.getOutPutByItemId(itemId);
        return mmItemResultService.getPredictValue(outputList.get(0).getId(), start, end);
    }
}