package com.iailab.module.model.mdk.schedule.impl;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.iail.IAILMDK;
import com.iail.model.IAILModel;
import com.iailab.module.model.mcs.sche.entity.StScheduleModelEntity;
import com.iailab.module.model.mcs.sche.entity.StScheduleModelSettingEntity;
import com.iailab.module.model.mcs.sche.entity.StScheduleSchemeEntity;
import com.iailab.module.model.mcs.sche.service.StScheduleModelService;
import com.iailab.module.model.mcs.sche.service.StScheduleModelSettingService;
import com.iailab.module.model.mcs.sche.service.StScheduleSchemeService;
import com.iailab.module.model.mdk.common.enums.TypeA;
import com.iailab.module.model.mdk.common.exceptions.ModelInvokeException;
import com.iailab.module.model.mdk.sample.SampleConstructor;
import com.iailab.module.model.mdk.sample.dto.SampleData;
import com.iailab.module.model.mdk.schedule.ScheduleModelHandler;
import com.iailab.module.model.mdk.vo.ScheduleResultVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.text.MessageFormat;
import java.util.*;

/**
 * @author PanZhibao
 * @Description
 * @createTime 2024年09月05日
 */
@Slf4j
@Component
public class ScheduleModelHandlerImpl implements ScheduleModelHandler {

    @Autowired
    private StScheduleSchemeService stScheduleSchemeService;

    @Autowired
    private StScheduleModelService stScheduleModelService;

    @Autowired
    private StScheduleModelSettingService stScheduleModelSettingService;

    @Autowired
    private SampleConstructor sampleConstructor;

    @Override
    public ScheduleResultVO doSchedule(String schemeCode, Date scheduleTime) throws ModelInvokeException {
        ScheduleResultVO scheduleResult = new ScheduleResultVO();
        StScheduleSchemeEntity scheduleScheme = stScheduleSchemeService.getByCode(schemeCode);
        StScheduleModelEntity scheduleModel = stScheduleModelService.get(scheduleScheme.getModelId());
        if (scheduleModel == null) {
            throw new ModelInvokeException(MessageFormat.format("{0},modelId={1}",
                    ModelInvokeException.errorGetModelEntity, scheduleModel.getId()));
        }
        String modelId = scheduleModel.getId();
        try {
            IAILModel newModelBean = new IAILModel();
            //1.根据模型id构造模型输入样本
            List<SampleData> sampleDataList = sampleConstructor.constructSample(TypeA.Schedule.name(), modelId, scheduleTime);
            if (CollectionUtils.isEmpty(sampleDataList)) {
                log.info("调度模型构造样本失败，schemeCode=" + schemeCode);
                return null;
            }

            //2.拼接newModelBean的参数结构：a.类名、方法名 b.参数类型
            String className = scheduleModel.getClassName() .trim();
            String methodName = scheduleModel.getMethodName().trim();
            newModelBean.setClassName(className);
            newModelBean.setMethodName(methodName);

            Class<?>[] paramsArray = new Class[3];
            paramsArray[0] = double[][].class;
            paramsArray[1] = double[][].class;
            paramsArray[2] = HashMap.class;
            newModelBean.setParamsArray(paramsArray);

            //3.拼接settings参数
            HashMap<String, Object> settings_predict = getPredictSettingsByModelId(modelId);

            //4.构造param2Values参数结构
            int count = sampleDataList.size();
            Object[] param2Values = new Object[count + 1];
            for (int i = 0; i < count; i++) {
                param2Values[i] = sampleDataList.get(i).getMatrix();
            }
            param2Values[count] = settings_predict;

            //打印参数
            log.info("##############调度模型：modelId=" + modelId + " ##########################");
            JSONObject jsonObjNewModelBean = new JSONObject();
            jsonObjNewModelBean.put("newModelBean", newModelBean);
            log.info(String.valueOf(jsonObjNewModelBean));
            JSONObject jsonObjParam2Values = new JSONObject();
            jsonObjParam2Values.put("param2Values", param2Values);
            log.info(String.valueOf(jsonObjParam2Values));

            //IAILMDK.run
            HashMap<String, Object> result = IAILMDK.run(newModelBean, param2Values);

            //打印结果
            JSONObject jsonObjResult = new JSONObject();
            jsonObjResult.put("result", result);
            log.info(String.valueOf(jsonObjResult));
            log.info("调度模型计算完成：modelId=" + modelId + result);

            //5.返回调度结果
            scheduleResult.setResult(result);
            scheduleResult.setModelId(modelId);
            scheduleResult.setSchemeId(scheduleScheme.getId());
            scheduleResult.setScheduleTime(scheduleTime);
        } catch (Exception ex) {
            log.error("IAILMDK.run()执行失败");
            log.error(ex.getMessage());
            log.error("调用发生异常，异常信息为:{}", ex);
            ex.printStackTrace();
        }
        return scheduleResult;
    }

    /**
     * 根据模型id获取参数map
     *
     * @param modelId
     * @return
     */
    private HashMap<String, Object> getPredictSettingsByModelId(String modelId) {
        List<StScheduleModelSettingEntity> list = stScheduleModelSettingService.getByModelId(modelId);
        if (CollectionUtils.isEmpty(list)) {
            return null;
        }
        HashMap<String, Object> result = new HashMap<>();
        for (StScheduleModelSettingEntity entry : list) {
            String valueType = entry.getValuetype().trim();
            String valueStr = entry.getValue().trim();
            if ("int".equals(valueType)) {
                int value = Integer.parseInt(valueStr);
                result.put(entry.getKey(), value);
            } else if ("double".equals(valueType)) {
                double value = Double.parseDouble(valueStr);
                result.put(entry.getKey(), value);
            } else if ("string".equals(valueType)) {
                String value = valueStr;
                result.put(entry.getKey(), value);
            } else if ("float".equals(valueType)) {
                float value = Float.parseFloat(valueStr);
                result.put(entry.getKey(), value);
            } else if ("[[D".equals(valueType)) {
                String valueStrTemp = entry.getValue();
                try {
                    //1.二位数组的行按照"/"来分割
                    String[] rowList = valueStrTemp.split("/");
                    int row = rowList.length;
                    int col = rowList[0].split(",").length;
                    double[][] value1 = new double[row][col];
                    for (int i = 0; i < rowList.length; i++) {
                        //2.二位数组的列按照","来分割
                        String[] colList = rowList[i].split(",");
                        for (int j = 0; j < colList.length; j++) {
                            value1[i][j] = Double.parseDouble(colList[j]);
                        }
                    }
                    //把从数据库的得到的参数的二维数组降为一维数组
                    //int len =0;
                    double[] value = new double[row * col];
                    /*for (int j = 0; j <value1.length ; j++) {
                        len+= value1.length;
                    }*/
                    //value = new double[len];
                    int index = 0;
                    for (int i = 0; i < value1.length; i++) {
                        for (int j = 0; j < value1[i].length; j++) {
                            value[index++] = value1[i][j];
                        }
                    }
                    result.put(entry.getKey(), value);
                } catch (Exception ex) {
                    System.out.println("二维数组类型的setting格式不正确");
                    ex.printStackTrace();
                }
            } else if ("decimalArray".equals(valueType)) {
                JSONArray valueArray = JSONArray.parseArray(entry.getValue());
                double[] value = new double[valueArray.size()];
                for (int i = 0; i < valueArray.size(); i++) {
                    value[i] = Double.parseDouble(valueArray.get(i).toString());
                }
                result.put(entry.getKey(), value);
            } else if ("decimal".equals(valueType)) {
                double value = Double.parseDouble(entry.getValue());
                //BigDecimal value = new BigDecimal(entry.getValue());
                result.put(entry.getKey(), value);
            }
        }
        return result;
    }
}