package com.yuanchu.mom.service.impl;

import cn.hutool.json.JSONUtil;
import cn.hutool.poi.excel.ExcelUtil;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.yuanchu.mom.common.GetLook;
import com.yuanchu.mom.common.PrintChina;
import com.yuanchu.mom.mapper.StandardMethodMapper;
import com.yuanchu.mom.pojo.StandardMethod;
import com.yuanchu.mom.service.StandardMethodService;
import com.yuanchu.mom.utils.QueryWrappers;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.*;

/**
* @author Administrator
* @description 针对表【standard_method(标准方法)】的数据库操作Service实现
* @createDate 2024-03-03 19:21:41
*/
@Service
@AllArgsConstructor
public class StandardMethodServiceImpl extends ServiceImpl<StandardMethodMapper, StandardMethod>
    implements StandardMethodService{

    private GetLook getLook;

    private StandardMethodMapper standardMethodMapper;

    @Override
    public Map<String, Object> selectStandardMethodList(Page page, StandardMethod standardMethod) {
        Map<String, Object> map = new HashMap<>();
        map.put("head", PrintChina.printChina(StandardMethod.class));
        Map<String, Integer> map1 = getLook.selectPowerByMethodAndUserId("selectStandardMethodList");
        if(map1.get("look")==1) standardMethod.setCreateUser(map1.get("userId"));
        map.put("body", standardMethodMapper.selectStandardMethodList(page, QueryWrappers.queryWrappers(standardMethod)));
        return map;
    }

    @Override
    public List<StandardMethod> selectStandardMethods() {
        return standardMethodMapper.selectList(Wrappers.<StandardMethod>lambdaQuery().select(StandardMethod::getId,StandardMethod::getCode,StandardMethod::getName).ne(StandardMethod::getId, 0));
    }

    @Override
    public int addStandardMethod(StandardMethod standardMethod) {
        int insert = standardMethodMapper.insert(standardMethod);
        return insert;
    }

    @Override
    public int delStandardMethod(Integer id) {
        int i = standardMethodMapper.deleteById(id);
        return i;
    }

    @Override
    public int upStandardMethod(StandardMethod standardMethod) {
        int i = standardMethodMapper.updateById(standardMethod);
        return i;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public void inputExcel(MultipartFile file) throws IOException {
        // 存储检测对象List
        List<Object> structureTestObjectIdList = new ArrayList<>();
        List<StandardMethod> result = new ArrayList<>();
        ExcelUtil.readBySax(file.getInputStream(), 0, (i, l, list) -> {
            // 去除第一行表头
            if (l == 0) {
                return;
            }
            // 存储唯一检测对象
            if (!structureTestObjectIdList.contains(list.get(2))) {
                structureTestObjectIdList.add(list.get(2));
            }
            StandardMethod standardMethod = formatData(list);
            result.add(standardMethod);
        });
        addStructureTest(structureTestObjectIdList, result);
    }

    // 格式化数据
    public StandardMethod formatData(List<Object> list) {
        StandardMethod standardMethod = new StandardMethod();
        standardMethod.setField(list.get(1).toString());
        // 造格式
        List<List<Object>> structureTestObjectId = new ArrayList<>();
        if (ObjectUtils.isEmpty(list.get(3))){
            structureTestObjectId.add(Arrays.asList(list.get(2)));
        } else {
            structureTestObjectId.add(Arrays.asList(list.get(2), list.get(3)));
        }
        standardMethod.setStructureTestObjectId(JSONUtil.toJsonStr(structureTestObjectId));
        standardMethod.setCode(list.get(4).toString());
        standardMethod.setName(list.get(5).toString());
        standardMethod.setNameEn(list.get(6).toString());
        if (!Objects.equals(list.get(7), null)) {
            standardMethod.setRemark(list.get(7).toString());
        }
        standardMethod.setQualificationId(list.get(8).toString());
        if (ObjectUtils.isNotEmpty(list.get(9))) {
            if (list.get(9).equals("是")) {
                standardMethod.setIsProduct(1);
            } else if (list.get(9).equals("否")) {
                standardMethod.setIsProduct(0);
            }
        }
        if (ObjectUtils.isNotEmpty(list.get(10))) {
            if (list.get(10).equals("是")) {
                standardMethod.setIsUse(1);
            } else if (list.get(9).equals("否")) {
                standardMethod.setIsUse(0);
            }
        }
        return standardMethod;
    }

    // 新增数据
    public void addStructureTest(List<Object> structureTestObjectIdList, List<StandardMethod> standardMethodList) {
        List<StandardMethod> updateList = new ArrayList<>();
        List<Integer> deleteListId = new ArrayList<>();
        List<StandardMethod> addList = new ArrayList<>();
        if (!structureTestObjectIdList.isEmpty()) {
            // 循环excel里面的分组
            structureTestObjectIdList.forEach(j -> {
                // 以excel中的组名查询数据库中的分组
                List<StandardMethod> standardMethods = baseMapper.selectList(Wrappers.<StandardMethod>lambdaQuery()
                        .like(StandardMethod::getStructureTestObjectId, "\"" + j + "\""));
                // 将结果循环匹配
                for (int i = 0; i < standardMethods.size(); i++) {
                    boolean isExistence = false;
                    for (int i1 = 0; i1 < standardMethodList.size(); i1++) {
                        // 更新
                        if (standardMethods.get(i).getStructureTestObjectId().equals(standardMethodList.get(i1).getStructureTestObjectId())
                                && standardMethods.get(i).getCode().equals(standardMethodList.get(i1).getCode())
                                && standardMethods.get(i).getField().equals(standardMethodList.get(i1).getField())) {
                            // 给excel数据赋值id做更新
                            standardMethodList.get(i1).setId(standardMethods.get(i).getId());
                            // 更新
                            updateList.add(standardMethodList.get(i1));
                            isExistence = true;
                            break;
                        }
                    }
                    // 删除
                    if (!isExistence) {
                        deleteListId.add(standardMethods.get(i).getId());
                    }
                }
                for (int i = 0; i < standardMethodList.size(); i++) {
                    if (standardMethodList.get(i).getStructureTestObjectId().contains("\"" + j + "\"")) {
                        boolean isExistence = false;
                        for (int i1 = 0; i1 < standardMethods.size(); i1++) {
                            if (standardMethods.get(i1).getStructureTestObjectId().equals(standardMethodList.get(i).getStructureTestObjectId())
                                    && standardMethods.get(i1).getCode().equals(standardMethodList.get(i).getCode())
                                    && standardMethods.get(i1).getField().equals(standardMethodList.get(i).getField())) {
                                isExistence = true;
                                break;
                            }
                        }
                        // 新增
                        if (!isExistence) {
                            addList.add(standardMethodList.get(i));
                        }
                    }
                }
            });
        }
        if (!addList.isEmpty()) {
            // 新增
            baseMapper.insertBatchSomeColumn(addList);
        }

        if (!deleteListId.isEmpty()) {
            // 删除
            baseMapper.deleteBatchIds(deleteListId);
        }

        if (!updateList.isEmpty()) {
            // 更新
            updateList.forEach(i -> {
                baseMapper.updateById(i);
            });
        }
    }
}