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

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.iail.model.IAILModel;
import com.iailab.module.model.common.enums.CommonConstant;
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 com.iailab.module.model.mpk.common.MdkConstant;
import com.iailab.module.model.mpk.common.utils.DllUtils;
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.Date;
import java.util.HashMap;
import java.util.List;

/**
 * @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 {
            //1.根据模型id构造模型输入样本
            long now = System.currentTimeMillis();
            List<SampleData> sampleDataList = sampleConstructor.constructSample(TypeA.Schedule.name(), modelId, scheduleTime);
            log.info("构造模型输入样本消耗时长：" + (System.currentTimeMillis() - now) / 1000 + "秒");
            if (CollectionUtils.isEmpty(sampleDataList)) {
                log.info("调度模型构造样本失败，schemeCode=" + schemeCode);
                return null;
            }

            IAILModel newModelBean = composeNewModelBean(scheduleModel);
            HashMap<String, Object> settings = getScheduleSettingsByModelId(modelId);
            if (settings == null) {
                log.error("模型setting不存在，modelId=" + modelId);
                return null;
            }
            // 校验setting必须有pyFile，否则可能导致程序崩溃
            if (!settings.containsKey(MdkConstant.PY_FILE_KEY)) {
                log.error("模型设置参数缺少必要信息【" + MdkConstant.PY_FILE_KEY +  "】,请重新上传模型！");
                return null;
            }
            int portLength = sampleDataList.size();
            Object[] param2Values = new Object[portLength + 1];
            for (int i = 0; i < portLength; i++) {
                param2Values[i] = sampleDataList.get(i).getMatrix();
            }
            param2Values[portLength] = settings;

            log.info("#######################调度模型 " + scheduleModel.getModelName() + " ##########################");
//            JSONObject jsonObjNewModelBean = new JSONObject();
//            jsonObjNewModelBean.put("newModelBean", newModelBean);
//            log.info(String.valueOf(jsonObjNewModelBean));
//            JSONObject jsonObjParam2Values = new JSONObject();
//            jsonObjParam2Values.put("param2Values", param2Values);
            log.info("参数： " + JSON.toJSONString(param2Values));

            //IAILMDK.run
            HashMap<String, Object> modelResult = DllUtils.run(newModelBean, param2Values, scheduleScheme.getMpkprojectid());
            if (!modelResult.containsKey(CommonConstant.MDK_STATUS_CODE) || !modelResult.containsKey(CommonConstant.MDK_RESULT) ||
                    !modelResult.get(CommonConstant.MDK_STATUS_CODE).toString().equals(CommonConstant.MDK_STATUS_100)) {
                throw new RuntimeException("模型结果异常：" + modelResult);
            }
            modelResult = (HashMap<String, Object>) modelResult.get(CommonConstant.MDK_RESULT);

            //打印结果
            JSONObject jsonObjResult = new JSONObject();
            jsonObjResult.put("result", modelResult);
            log.info(String.valueOf(jsonObjResult));

            //5.返回调度结果
            scheduleResult.setResult(modelResult);
            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> getScheduleSettingsByModelId(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(); //去除两端空格
            if ("int".equals(valueType)) {
                int value = Integer.parseInt(entry.getValue());
                result.put(entry.getKey(), value);
            } else if ("double".equals(valueType)) {
                double value = Double.parseDouble(entry.getValue());
                result.put(entry.getKey(), value);
            } else if ("string".equals(valueType)) {
                String value = entry.getValue();
                result.put(entry.getKey(), value);
            } 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());
                result.put(entry.getKey(), value);
            }
        }
        return result;
    }

    private IAILModel composeNewModelBean(StScheduleModelEntity model) {
        IAILModel newModelBean = new IAILModel();
        newModelBean.setClassName(model.getClassName().trim());
        newModelBean.setMethodName(model.getMethodName().trim());
        //构造参数类型
        Class<?>[] paramsArray = new Class[model.getPortLength() + 1];
        for (int i = 0; i < model.getPortLength(); i++) {
            paramsArray[i] = double[][].class;
        }
        paramsArray[model.getPortLength()] = HashMap.class;
        newModelBean.setParamsArray(paramsArray);
        //
//        HashMap<String, Object> dataMap = new HashMap<>();
//        newModelBean.setDataMap(dataMap);
        return newModelBean;
    }
}