package com.miniframe.tools;

import com.miniframe.constant.MFConstant;
import com.miniframe.core.exception.BusinessException;
import com.miniframe.core.ext.UtilTools;
import com.miniframe.model.system.SysFile;
import com.miniframe.model.system.dao.SysFileMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

/**
 * 大文件上传
 */
public class CaeFileUtils {
    private static Logger logger = LoggerFactory.getLogger(CaeFileUtils.class);

    public static void main(String[] args) throws IOException {
        String t =  XIDateTimeUtils.DATE_PATTERN_ZONE.format(XIDateTimeUtils.getNowZoned());
        logger.info(t);
    }

    public static void deleFile(String fileId){
        SysFileMapper sysFileDAO = UtilTools.getBean(SysFileMapper.class);
        SysFile pFile =  sysFileDAO.selectByPrimaryKey(fileId);
        if(pFile!=null){
            File file =new File(XIFileUtils.getRootPathStr()+ MFConstant.separator+pFile.getFilepath());
            file.delete();
            sysFileDAO.deleteByPrimaryKey(pFile.getId());
        }
    }

    /**
     * 创建 存储文件
     */
    public static String createBigFilePath(String fileName) throws IOException {
        String bigFileName =UtilTools.getUUid()+"-"+fileName;
        String newDir =  XIDateTimeUtils.DATE_PATTERN_ZONE.format(XIDateTimeUtils.getNowZoned());
        String dirPath = XIFileUtils.getRootPathStr()+ MFConstant.separator+newDir;
        File file = new File(dirPath);
        if(!file.exists()){
            file.mkdirs();
        }
        String bigFilePath=dirPath+MFConstant.separator+bigFileName;
        File bigFile = new File(bigFilePath);
        if(!bigFile.exists()){
            bigFile.createNewFile();
        }
        return  bigFilePath;
    }

    public static void saveBigFiles(String bigFileId,String pathStr,String userid,
                                     String fileMedia,String fileInfo,int chunks) throws IOException, BusinessException {
        SysFileMapper sysFileDAO = UtilTools.getBean(SysFileMapper.class);
        SysFile sysFileyz =  sysFileDAO.selectByPrimaryKey(bigFileId);
        if(sysFileyz!=null){
            throw new BusinessException("EB4000001");
        }
        Path path = Paths.get(pathStr);
        String fielRelativePath = XIFileUtils.getRelativizePathStr(path);
        SysFile sysFile = new SysFile();
        sysFile.setId(bigFileId);
        //去掉uid部分
        int pathIndex = path.getFileName().toString().indexOf("-");
        if (pathIndex >= 0 && pathIndex < path.getFileName().toString().length() - 1) {
            sysFile.setFilename(path.getFileName().toString().substring(pathIndex + 1));
        } else {
            sysFile.setFilename(path.getFileName().toString());
        }
        sysFile.setLasttime(XIDateTimeUtils.getNowDate());
        sysFile.setUid(userid);
        sysFile.setFilemedia(fileMedia);
        sysFile.setRemarks(fileInfo);
        sysFile.setFiletype(XIFileUtils.getFileType(path.getFileName().toString()));
        sysFile.setFilepath(fielRelativePath);
        sysFile.setChunk(-1);
        sysFile.setChunks(chunks);
        sysFile.setNeedop("-1");//未合并
        sysFileDAO.insertSelective(sysFile);
    }
    public static void saveFile(String bigFileId, String pathStr, String userid,
                                String fileMedia, String fileInfo) throws IOException, BusinessException {
        SysFileMapper sysFileDAO = UtilTools.getBean(SysFileMapper.class);
        SysFile sysFileyz =  sysFileDAO.selectByPrimaryKey(bigFileId);
        if(sysFileyz!=null){
            throw new BusinessException("EB4000001");
        }
        Path path = Paths.get(pathStr);
        String fielRelativePath = XIFileUtils.getRelativizePathStr(path);
        SysFile sysFile = new SysFile();
        sysFile.setId(bigFileId);
        //去掉uid部分
        int pathIndex = path.getFileName().toString().indexOf("-");
        if (pathIndex >= 0 && pathIndex < path.getFileName().toString().length() - 1) {
            sysFile.setFilename(path.getFileName().toString().substring(pathIndex + 1));
        } else {
            sysFile.setFilename(path.getFileName().toString());
        }
        sysFile.setLasttime(XIDateTimeUtils.getNowDate());
        sysFile.setUid(userid);
        sysFile.setFilemedia(fileMedia);
        sysFile.setRemarks(fileInfo);
        sysFile.setFiletype(XIFileUtils.getFileType(path.getFileName().toString()));
        sysFile.setFilepath(fielRelativePath);
        sysFile.setChunk(1);
        sysFile.setChunks(1);
        sysFile.setNeedop("1");//合并
        sysFileDAO.insertSelective(sysFile);
    }

    /**
     * 以行为单位读取文件，常用于读面向行的格式化文件
     */
    public static ArrayList<String> readFileByLines(String fileName) {
        File file = new File(fileName);
        ArrayList<String> fileStr = new ArrayList<String>();
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new FileReader(file));
            String tempString = null;
            while ((tempString = reader.readLine()) != null) {
                fileStr.add(tempString);
            }
            reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e1) {
                }
            }
        }
        return fileStr;
    }


    /**
     * 替换双空格
     * @param line
     * @return
     */
    public static String stringLessDouble(String line){
        line =line.trim();
        while (line.indexOf("  ")>0){
            line = line.replace("  "," ");
        }
        return line;
    }
}