package com.aps.core.service.impl;

import cn.hutool.core.util.IdUtil;
import com.aps.common.core.utils.DateUtils;
import com.aps.common.security.utils.SecurityUtils;
import com.aps.core.domain.ApsGasPipelinePrediction;
import com.aps.core.domain.ApsMaterialProductGroupManagement;
import com.aps.core.mapper.ApsGasPipelinePredictionMapper;
import com.aps.core.service.IApsGasPipelinePredictionService;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import io.micrometer.common.util.StringUtils;
import lombok.SneakyThrows;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.math.BigDecimal;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;

/**
 * 管路手工气体预测数据Service业务层处理
 *
 * @author ruoyi
 * @date 2025-05-19
 */
@Service
public class ApsGasPipelinePredictionServiceImpl implements IApsGasPipelinePredictionService {
    @Autowired
    private ApsGasPipelinePredictionMapper apsGasPipelinePredictionMapper;

    /**
     * 查询管路手工气体预测数据
     *
     * @param id 管路手工气体预测数据主键
     * @return 管路手工气体预测数据
     */
    @Override
    public ApsGasPipelinePrediction selectApsGasPipelinePredictionById(Long id) {
        return apsGasPipelinePredictionMapper.selectApsGasPipelinePredictionById(id);
    }

    /**
     * 查询管路手工气体预测数据列表
     *
     * @param apsGasPipelinePrediction 管路手工气体预测数据
     * @return 管路手工气体预测数据
     */
    @Override
    public List<ApsGasPipelinePrediction> selectApsGasPipelinePredictionList(ApsGasPipelinePrediction apsGasPipelinePrediction) {
        return apsGasPipelinePredictionMapper.selectApsGasPipelinePredictionList(apsGasPipelinePrediction);
    }

    /**
     * 新增管路手工气体预测数据
     *
     * @param apsGasPipelinePrediction 管路手工气体预测数据
     * @return 结果
     */
    @Override
    public int insertApsGasPipelinePrediction(ApsGasPipelinePrediction apsGasPipelinePrediction) {
        apsGasPipelinePrediction.setCreateTime(DateUtils.getNowDate());
        return apsGasPipelinePredictionMapper.insertApsGasPipelinePrediction(apsGasPipelinePrediction);
    }

    /**
     * 修改管路手工气体预测数据
     *
     * @param apsGasPipelinePrediction 管路手工气体预测数据
     * @return 结果
     */
    @Override
    public int updateApsGasPipelinePrediction(ApsGasPipelinePrediction apsGasPipelinePrediction) {
        apsGasPipelinePrediction.setUpdateTime(DateUtils.getNowDate());
        return apsGasPipelinePredictionMapper.updateApsGasPipelinePrediction(apsGasPipelinePrediction);
    }

    /**
     * 批量删除管路手工气体预测数据
     *
     * @param ids 需要删除的管路手工气体预测数据主键
     * @return 结果
     */
    @Override
    public int deleteApsGasPipelinePredictionByIds(Long[] ids) {
        return apsGasPipelinePredictionMapper.deleteApsGasPipelinePredictionByIds(ids);
    }

    /**
     * 删除管路手工气体预测数据信息
     *
     * @param id 管路手工气体预测数据主键
     * @return 结果
     */
    @Override
    public int deleteApsGasPipelinePredictionById(Long id) {
        return apsGasPipelinePredictionMapper.deleteApsGasPipelinePredictionById(id);
    }

    @SneakyThrows
    @Override
    public int batchInsertApsGasPipelinePrediction(MultipartFile file) {
        Workbook workbook = WorkbookFactory.create(file.getInputStream());

        Sheet sheet = workbook.getSheetAt(0);
        int rows = sheet.getLastRowNum();
        if (rows > 0) {
            List<ApsGasPipelinePrediction> list = new ArrayList<>();
            Set<String> keys = new HashSet<>();
            /*数据列从1开始*/
            for (int i = rows; i > 0; --i) {
                Row row = sheet.getRow(i);
                if (row.getCell(0) == null) {
                    continue;
                }

                String materialCode = row.getCell(0).getStringCellValue();
                if (StringUtils.isEmpty(materialCode)) {
                    continue;
                }
                String factory = row.getCell(1).getStringCellValue();
                double quantity = row.getCell(2).getNumericCellValue();
                Date date = row.getCell(3).getDateCellValue();
                if (StringUtils.isNotBlank(factory) &&
                    date != null) {
                    ApsGasPipelinePrediction item = new ApsGasPipelinePrediction();
                    item.setId(IdUtil.getSnowflakeNextId());
                    item.setFactory(factory);
                    item.setMaterialCode(materialCode);
                    item.setCreateBy(SecurityUtils.getUsername());
                    item.setCreateTime(DateUtils.getNowDate());
                    item.setPredictQuantity(new BigDecimal(quantity));
                    item.setPredictDate(new Timestamp(date.getTime()));
                    if (!keys.contains(item.getKey())) {
                        keys.add(item.getKey());
                        list.add(item);
                    }
                }
            }
            if (!list.isEmpty()) {
                List<Map<String, Object>> facCodeKey = apsGasPipelinePredictionMapper.selectByFacOrMaterial(keys);
                if (!facCodeKey.isEmpty()) {
                    Iterator<ApsGasPipelinePrediction> it = list.iterator();
                    while (it.hasNext()) {
                        ApsGasPipelinePrediction item = it.next();
                        long count = facCodeKey.stream()
                                .filter(map -> map.get("key").equals(item.getKey()))
                                .peek(row -> {
                                    item.setId((Long) row.get("id"));
                                    item.setCreateBy(null);
                                    item.setCreateTime(null);
                                    item.setUpdateBy(SecurityUtils.getUsername());
                                    item.setUpdateTime(new Timestamp(System.currentTimeMillis()));
                                    apsGasPipelinePredictionMapper.updateById(item);
                                }).count();
                        if (count > 0){
                            it.remove();
                        }
                    }
                }
                if (!list.isEmpty()) {
                    apsGasPipelinePredictionMapper.insert(list);
                }
            }
            return list.size();
        }
        return 0;
    }
}