package com.ruoyi.manage.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.framework.config.ServerConfig;
import com.ruoyi.manage.domain.vo.SysFileManageVO;
import com.ruoyi.manage.mapper.SysFileMapper;
import com.ruoyi.manage.domain.SysFileManage;
import com.ruoyi.manage.service.SysFileService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.ArrayList;
import java.util.List;

/**
 * <p>
 * 文件管理表 服务实现类
 * </p>
 *
 * @author sunjiawei
 * @since 2025-05-21
 */
@Service
public class SysFileServiceImpl extends ServiceImpl<SysFileMapper, SysFileManage> implements SysFileService {
    @Autowired
    private SysFileMapper sysFileMapper;
    @Autowired
    private ServerConfig serverConfig;

    //查询所有数据列表
    @Override
    public List<SysFileManage> listAll(){
        return sysFileMapper.selectList(null);
    }

    //单文件上传
    @Override
    public Integer saveFile(MultipartFile file,SysFileManage sysFileManage) throws Exception{
        // 上传文件路径
        String filePath = RuoYiConfig.getUploadPath();
        // 上传并返回新文件名称
        String fileName = FileUploadUtils.upload(filePath, file);
        sysFileManage.setFilePath(fileName);
        sysFileManage.setSize(FileUploadUtils.getFileSize(file));
        return sysFileMapper.insert(sysFileManage);
    }

    //单独数据插入\
    @Override
    public Integer saveData(SysFileManage sysFileManage) throws Exception{
        return sysFileMapper.insert(sysFileManage);
    }

    //批量插入
//    Integer saveBatch(List<SysFileManage> sysFileManages);

    //条件查询
    @Override
    public List<SysFileManage> queryData(SysFileManageVO vo){
        LambdaQueryWrapper<SysFileManage> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        String name = vo.getName();
        String type = vo.getType();
        if(name!=null && !name.trim().isEmpty()){
            lambdaQueryWrapper.like(SysFileManage::getName,name);
        }
        if(type!=null){
            lambdaQueryWrapper.like(SysFileManage::getType,type);
        }
        return sysFileMapper.selectList(lambdaQueryWrapper);
    }

    //批量删除
    @Override
    public List<String> deleteBatch(List<String> ids){
        List<String> failedToDelete = new ArrayList<>();
        LambdaQueryWrapper<SysFileManage> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        for (String id : ids){
            SysFileManage sysFileManage = sysFileMapper.selectById(id);
            String name = sysFileManage.getName();
            String filePath = sysFileManage.getFilePath();
            String realFilePath = filePath.replaceFirst("/profile",RuoYiConfig.getProfile());
            String realFileName = name + realFilePath.substring(realFilePath.indexOf("_") + 1);
            if(judgmentOS()){
                realFilePath = realFilePath.replace("/","\\");
            }
            boolean success = FileUploadUtils.deleteFile(realFilePath);
            if(!success){
                failedToDelete.add(realFileName);
            }else {
                lambdaQueryWrapper.eq(SysFileManage::getFilePath,filePath);
                sysFileMapper.delete(lambdaQueryWrapper);
            }
        }
        return failedToDelete;
    }


    //查询总数
    @Override
    public Long queryCount(){
        return sysFileMapper.selectCount(null);
    }

    //判断当前系统是否是windows
    public boolean judgmentOS(){
        boolean flag = false;
        String osName = System.getProperty("os.name").toLowerCase();
        if(osName.contains("win")){
            flag = true;
        }
        return flag;
    }

}