package ssh2Down.serviceImpl;

import java.io.File;
import java.util.Date;
import java.util.List;
import java.util.Random;

import org.apache.struts2.ServletActionContext;

import ssh2Down.dao.Downfile;
import ssh2Down.dao.DownfileDAO;
import ssh2Down.dao.Downrecord;
import ssh2Down.dao.DownrecordDAO;
import ssh2Down.dao.Users;
import ssh2Down.dao.UsersDAO;
import ssh2Down.service.FileService;
import util.FileOperate;

public class FileServiceImpl implements FileService {
	private UsersDAO usersDao;
	private DownfileDAO downfileDao;
	private DownrecordDAO downrecordDao;

	public UsersDAO getUsersDao() {
		return usersDao;
	}

	public void setUsersDao(UsersDAO usersDao) {
		this.usersDao = usersDao;
	}

	public DownfileDAO getDownfileDao() {
		return downfileDao;
	}

	public void setDownfileDao(DownfileDAO downfileDao) {
		this.downfileDao = downfileDao;
	}

	public DownrecordDAO getDownrecordDao() {
		return downrecordDao;
	}

	public void setDownrecordDao(DownrecordDAO downrecordDao) {
		this.downrecordDao = downrecordDao;
	}

	

	public boolean upload(Downfile file, String AbsolutePath) {
		// TODO Auto-generated method stub
		String code=createCode();
		file.setCode(code);
		boolean isSave=this.saveFile(file, AbsolutePath);
		if(isSave){
			Users user=file.getUsers();
			user=(Users) usersDao.findByExample(user).get(0);
			file.setUsers(user);
			downfileDao.save(file);
			return true;
		}
		else return false;
	}
	
	private boolean saveFile(Downfile file,String AbsolutePath){
		String path1 = ServletActionContext.getServletContext().getRealPath("/upload1")+"/"+file.getUsers().getUserName()+"/"+file.getCode();
		File directory=new File(path1);
		directory.mkdirs();
		String path2=directory.getAbsolutePath()+"/"+file.getSaveName();
		FileOperate.copyFile(AbsolutePath, path2);
		return true;
	}
	
	
	
	
	
	// 生成一個(gè)唯 一的字符串，用于文件在服務(wù)器中存儲(chǔ)的名稱，也作為主鍵使用
	private String createCode() {
		Date now = new Date();

		long seed = now.getTime();
		Random ran = new Random(seed);
		String[] letters = new String[] { "A", "B", "C", "D", "E", "F", "G",
				"H", "I", "G", "K", "L", "M", "N", "O", "P", "Q", "R", "S",
				"T", "U", "V", "W", "X", "Y", "Z" };
		StringBuffer result = new StringBuffer(30);
		for (int i = 0; i < 10; i++) {
			result.append(letters[ran.nextInt(26)]);
		}
		result.append(seed);
		return result.toString();
	}

	public List findAllFile() {
		// TODO Auto-generated method stub
		List list=downfileDao.findAll();
		return list;
	}

	public List findAllFileByFileName(String fileName) {
		// TODO Auto-generated method stub
		List list=downfileDao.findAllByfileName(fileName);
		return list;
	}

	public Downfile findByCode(String code) {
		// TODO Auto-generated method stub
		return downfileDao.findById(code);
	}

	public boolean addRecord(String code, String userName) {
		// TODO Auto-generated method stub
		Downrecord record=new Downrecord();
		Users user=(Users) usersDao.findByUserName(userName).get(0);
		Downfile downfile=downfileDao.findById(code);
		record.setDownDate(new Date());
		record.setDownfile(downfile);
		record.setUsers(user);
		downrecordDao.save(record);
		return true;
	}

	public List recordByUser(String userName) {
		// TODO Auto-generated method stub
		List list=downrecordDao.findByProperty("users.userName", userName);
	
		return  list;
	}

	
	
	
	
	
	
	
	
}