package com.ruoyi.warehouse.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.warehouse.dto.DocumentationDto;
import com.ruoyi.warehouse.pojo.Documentation;
import com.ruoyi.warehouse.pojo.DocumentationBorrowManagement;
import com.ruoyi.warehouse.service.DocumentationService;
import com.ruoyi.warehouse.mapper.DocumentationMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
* @author 86151
* @description 针对表【documentation(文档信息表)】的数据库操作Service实现
* @createDate 2025-08-14 14:05:49
*/
@Service
public class DocumentationServiceImpl extends ServiceImpl<DocumentationMapper, Documentation>
    implements DocumentationService{
    @Autowired
    private DocumentationMapper documentationMapper;
    @Override
    public IPage<DocumentationDto> listPage(Page page, Documentation documentation) {
        return documentationMapper.listPage(page, documentation);
    }

    @Override
    public void export(HttpServletResponse response,Documentation documentation) {
        IPage<DocumentationDto> list = documentationMapper.listPage(null, documentation);
        ExcelUtil<DocumentationDto> util = new ExcelUtil<>(DocumentationDto.class);
        util.exportExcel(response, list.getRecords(), "文档信息表");
    }

    @Override
    public boolean deleteByIds(List<Long> ids) {
        List<Documentation> documentationList = documentationMapper.selectList(new LambdaQueryWrapper<Documentation>().in(Documentation::getId, ids));
        for (Documentation documentation : documentationList) {
            //如果文档状态是已借出，不能删除
            if ("借出".equals(documentation.getDocStatus()) || "作废".equals(documentation.getDocStatus())) {
                throw new RuntimeException("当前文档状态为 " + documentation.getDocStatus() + "，不支持删除");
            }
            documentationMapper.deleteById(documentation.getId());
        }
        return true;
    }
    /**
     * 列表所有文档
     * @return
     */
    @Override
    public List<DocumentationDto> listAll() {
        List<DocumentationDto> list = documentationMapper.list().stream().filter(documentationDto -> "正常".equals(documentationDto.getDocStatus())).collect(Collectors.toList());
        return list;
    }
    /**
     * 获取文档总数
     * @return
     */
    @Override
    public Integer getTotalDocsCount() {
        return documentationMapper.countTotalDocs();
    }
    /**
     * 获取文档分类总数
     * @return
     */
    @Override
    public Integer getCategoryNumCount() {
        return documentationMapper.countCategoryNum();
    }
    /**
     * 获取已借出文档总数
     * @return
     */
    @Override
    public Integer getBorrowedDocsCount() {
        return documentationMapper.countBorrowedDocs();
    }
    /**
     * 获取每月新增文档总数
     * @return
     */
    @Override
    public Integer getMonthlyAddedDocsCount() {
        return documentationMapper.countMonthlyAddedDocs();
    }
    /**
     * 获取文档分类分布
     * @return
     */
    @Override
    public List<Map<String, Object>> getCategoryDistribution() {
        return documentationMapper.countCategoryDistribution();
    }
    /**
     * 获取文档状态分布
     * @return
     */
    @Override
    public List<Map<String, Object>> getStatusDistribution() {
        return documentationMapper.countStatusDistribution();
    }
}