package com.ips.system.service.impl;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ips.common.utils.DateUtils;
import com.ips.common.utils.StringUtils;
import com.ips.system.domain.AlgorithmConfig;
import com.ips.system.dto.AlgorithmParamsDto;
import com.ips.system.service.IAlgorithmConfigService;
import com.ips.system.utils.AlgorithmCaller;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ips.system.mapper.ClassifyTestMapper;
import com.ips.system.domain.ClassifyTest;
import com.ips.system.service.IClassifyTestService;

/**
 * 分类测试Service业务层处理
 * 
 * @author Allen
 * @date 2025-05-21
 */
@Service
public class ClassifyTestServiceImpl implements IClassifyTestService 
{

    protected final Logger logger = LoggerFactory.getLogger(this.getClass());
    @Autowired
    private ClassifyTestMapper classifyTestMapper;

    @Autowired
    private IAlgorithmConfigService algorithmConfigService;

    /**
     * 查询分类测试
     * 
     * @param id 分类测试主键
     * @return 分类测试
     */
    @Override
    public ClassifyTest selectClassifyTestById(Long id)
    {
        return classifyTestMapper.selectClassifyTestById(id);
    }

    /**
     * 查询分类测试列表
     * 
     * @param classifyTest 分类测试
     * @return 分类测试
     */
    @Override
    public List<ClassifyTest> selectClassifyTestList(ClassifyTest classifyTest)
    {
        return classifyTestMapper.selectClassifyTestList(classifyTest);
    }

    /**
     * 新增分类测试
     * 
     * @param classifyTest 分类测试
     * @return 结果
     */
    @Override
    public int insertClassifyTest(ClassifyTest classifyTest)
    {
        classifyTest.setCreateTime(DateUtils.getNowDate());
        return classifyTestMapper.insertClassifyTest(classifyTest);
    }

    /**
     * 修改分类测试
     * 
     * @param classifyTest 分类测试
     * @return 结果
     */
    @Override
    public int updateClassifyTest(ClassifyTest classifyTest)
    {
        classifyTest.setUpdateTime(DateUtils.getNowDate());
        return classifyTestMapper.updateClassifyTest(classifyTest);
    }

    /**
     * 批量删除分类测试
     * 
     * @param ids 需要删除的分类测试主键
     * @return 结果
     */
    @Override
    public int deleteClassifyTestByIds(Long[] ids)
    {
        return classifyTestMapper.deleteClassifyTestByIds(ids);
    }

    /**
     * 删除分类测试信息
     * 
     * @param id 分类测试主键
     * @return 结果
     */
    @Override
    public int deleteClassifyTestById(Long id)
    {
        return classifyTestMapper.deleteClassifyTestById(id);
    }

    @Override
    public String run(Long id) throws JsonProcessingException {
        ClassifyTest classifyTest = classifyTestMapper.selectClassifyTestById(id);
        if(classifyTest == null || classifyTest.getAlgorithmId() == null){
            return "无法找到该任务,id:"+id;
        }
        Long algorithmId = classifyTest.getAlgorithmId();
        AlgorithmConfig algorithmConfig = algorithmConfigService.selectAlgorithmConfigById(algorithmId);
        classifyTest.setStartTime(new Date());
        classifyTest.setStatus("1");
        this.updateClassifyTest(classifyTest);
        CompletableFuture.runAsync(() -> {
            // 异步逻辑
            doRun(algorithmConfig, classifyTest);
        });
        return null;
    }

    private void doRun(AlgorithmConfig algorithmConfig, ClassifyTest classifyTest) {
        String algorithmPath = algorithmConfig.getAlgorithmPath();

        // 组装json
        String inputPath = classifyTest.getInputPath();
        String outputPath = classifyTest.getOutputPath();
        ObjectMapper objectMapper = new ObjectMapper();
        Map<String, Object> params = new HashMap<>(2);
        String errorMsg = "";
        try {
            if (StringUtils.isNotEmpty(classifyTest.getAlgorithmParams())) {

                params = objectMapper.readValue(
                        classifyTest.getAlgorithmParams(),
                        new TypeReference<Map<String, Object>>() {
                        }
                );
            }
            params.put("model", classifyTest.getModelPath());
            params.put("mode_pkl", classifyTest.getModelPklPath());
            AlgorithmParamsDto algorithmParamsDto = new AlgorithmParamsDto(algorithmConfig.getAlgorithmName(), inputPath, outputPath, params);
            // 对象 → JSON 字符串
            String json = objectMapper.writeValueAsString(algorithmParamsDto);
            // 处理算法
            errorMsg = AlgorithmCaller.executeAlgorithm(algorithmConfig.getAlgorithmName(),algorithmPath, json);
        } catch (JsonProcessingException e) {
            logger.error("格式化失败", e);
            errorMsg = "格式化失败";
        }
        //处理结果
        if (StringUtils.isEmpty(errorMsg)) {
            classifyTest.setStatus("2");
        } else {
            classifyTest.setStatus("3");
        }
        classifyTest.setEndTime(new Date());
        this.updateClassifyTest(classifyTest);
    }

    @Override
    public ClassifyTest getResultDetails(Long id) {
        ClassifyTest classifyTest = this.selectClassifyTestById(id);
        String inputPath = classifyTest.getInputPath();
//        try {
//            List<FileInfoDTO> fileInfoDTOList = CommonUtils.getSortedFiles(inputPath, "dat");
//            extractedFeatures.setFolderInfoDTO(fileInfoDTOList);
//        } catch (IOException e) {
//            logger.error("读取文件夹错误", e);
//            return null;
//        }
        return classifyTest;
    }
}