package com.iailab.module.model.mdk.predict.impl;
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import com.iailab.module.data.api.point.DataPointApi;
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import com.iailab.module.data.api.point.dto.ApiPointDTO;
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import com.iailab.module.data.enums.DataPointFreqEnum;
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import com.iailab.module.model.mdk.common.enums.ItemPredictStatus;
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import com.iailab.module.model.mdk.common.exceptions.ItemInvokeException;
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import com.iailab.module.model.mdk.factory.ItemEntityFactory;
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import com.iailab.module.model.mdk.factory.PredictItemFactory;
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import com.iailab.module.model.mdk.predict.PredictItemHandler;
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import com.iailab.module.model.mdk.predict.PredictResultHandler;
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import com.iailab.module.model.mdk.vo.DataValueVO;
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import com.iailab.module.model.mdk.vo.ItemVO;
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import com.iailab.module.model.mdk.vo.MmItemOutputVO;
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import com.iailab.module.model.mdk.vo.PredictResultVO;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.sql.Timestamp;
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import java.util.*;
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/**
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* @author PanZhibao
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* @Description
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* @createTime 2024年09月01日
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*/
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@Slf4j
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@Component
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public class PredictItemMergeHandlerImpl implements PredictItemHandler {
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@Autowired
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private ItemEntityFactory itemEntityFactory;
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@Autowired
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private DataPointApi dataPointApi;
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@Autowired
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private PredictItemFactory predictItemFactory;
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@Autowired
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private PredictResultHandler predictResultHandler;
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@Override
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public PredictResultVO predict(Date predictTime, ItemVO predictItemDto)
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throws ItemInvokeException {
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PredictResultVO predictResult = new PredictResultVO();
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ItemPredictStatus itemStatus = ItemPredictStatus.PREDICTING;
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String itemId = predictItemDto.getId();
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try {
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String expression = itemEntityFactory.getMergeItem(itemId).getExpression();
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int predictLength = itemEntityFactory.getItemById(itemId).getPredictLength();
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double[][] predictResultMat = new double[predictLength][1];
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Map<String, List<DataValueVO>> predictValueMap = new HashMap<>();
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String[] mathItem = expression.split("[\\+ \\-]");
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ArrayList<Character> operator = new ArrayList<>();
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for (int i = 0; i < expression.length(); i++) {
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if (expression.charAt(i)=='+' || expression.charAt(i)=='-'){
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operator.add(expression.charAt(i));
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}
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}
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String[] compositionItem = expression.split(String.valueOf("&".toCharArray()));
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//是否为计算预测项
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if (mathItem.length > 1) {
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for (String itemNo : mathItem) {
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if (itemNo.length() > 4) {
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Date endTime = predictTime;
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ItemVO itemEntity = itemEntityFactory.getItemByItemNo(itemNo);
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List<MmItemOutputVO> outPutList = itemEntityFactory.getOutPutByItemId(itemEntity.getId());
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ApiPointDTO pointEntity = dataPointApi.getInfoById(outPutList.get(0).getPointId());
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(endTime);
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calendar.add(Calendar.SECOND, (predictLength - 1) * DataPointFreqEnum.getEumByCode(pointEntity.getMinfreqid()).getValue());
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endTime = new Timestamp(calendar.getTime().getTime());
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List<DataValueVO> predictValueList = predictResultHandler.getPredictValueByItemNo(itemNo, predictTime, endTime);
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if (predictValueList.size() != predictLength) {
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log.debug("merge项融合失败：缺少子项预测数据,对应子项ItemNo=" + itemNo);
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return null;
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}
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predictValueMap.put(itemNo, predictValueList);
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}
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}
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for (Integer i = 0; i < predictLength; i++) {
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double sum =0.0;
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sum = predictValueMap.get(mathItem[0]).get(i).getDataValue();
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for (int j = 1; j < mathItem.length; j++) {
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if (operator.get(j-1)=='+')
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{sum += predictValueMap.get(mathItem[j]).get(i).getDataValue();}
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if (operator.get(j-1)=='-')
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{sum -= predictValueMap.get(mathItem[j]).get(i).getDataValue();}
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}
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predictResultMat[i][0] = sum;
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}
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}
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//是否为组合预测项
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if (compositionItem.length > 1) {
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Map<String, PredictResultVO> predictResultMap = new HashMap<>();
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Integer columnTotalNumber = 0;
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Integer rowNumber = 0;
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for (String itemNo : compositionItem) {
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PredictItemHandler predictItem = (PredictItemHandler) predictItemFactory.create(itemEntityFactory.
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getItemByItemNo(itemNo).getId());
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predictResult = predictItem.predict(predictTime, predictItemDto);
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columnTotalNumber += Integer.valueOf(predictResult.getPredictMatrix().length);
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predictResultMap.put(itemNo, predictItem.predict(predictTime, predictItemDto));
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}
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double[][] matrix = new double[columnTotalNumber][1];
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for (String itemNo : compositionItem) {
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for (Integer i = 0; i < predictResultMap.get(itemNo).getPredictMatrix().length; i++) {
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matrix[rowNumber][0] = predictResultMap.get(itemNo).getPredictMatrix()[i][0];
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rowNumber++;
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}
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}
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predictResult.setPredictMatrix(matrix);
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}
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predictResult.setPredictId(itemId);
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predictResult.setPredictMatrix(predictResultMat);
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predictResult.setPredictTime(predictTime);
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//预测项预测成功的状态
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itemStatus = ItemPredictStatus.SUCCESS;
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} catch (Exception e) {
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//预测项预测失败的状态
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itemStatus = ItemPredictStatus.FAILED;
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log.debug("merge项预测失败，itemId：" + itemId);
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throw e;
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}
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log.debug("预测完成，itemId：" + itemId + ",itemStatus：" + itemStatus.getValue());
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return predictResult;
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}
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}
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