package com.pms.common;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.oreilly.servlet.multipart.FileRenamePolicy;

public class FileRenameClass implements FileRenamePolicy {
	
	//public static Map<String, Object> fileMap = new HashMap<String, Object>();
	//public static List<Map<String, Object>> fileList = new ArrayList();
	public List<Map<String, Object>> fileList = new ArrayList();
/*
	private String time;  // point 14 'yyyyMMddHHmmss'
	private String userId;
	public FileRenameClass( String userId , String time){
		this.userId = userId;
		this.time = time;
	}
*/
	public FileRenameClass() {}
	 
	
	//public static List<Map<String, Object>> getFileList(){
	public List<Map<String, Object>> getFileList(){
		return fileList;
	}
	
	//public static void clear(){
	public void clear(){
		fileList = new ArrayList();
	}

	public File rename(File f){
		// Get the parent directory path as in h:/home/user or /home/user
		String parentDir = f.getParent();

		// Get filename without its path location, such as 'index.txt'
		String fname = f.getName();
		String fileExt = "";

		int i = -1;
		if ((i = fname.lastIndexOf(".")) != -1) {
			fileExt = fname.substring(i); // only file extension
			fname = fname.substring(0, i); // except file extension
		}
		

		int counter = 0;
		boolean fExist = true;
		
		long currentTime = System.currentTimeMillis();
		
		String fullFileName = parentDir + "\\" + fname.replaceAll(" ", "") + "_" +currentTime+""+ fileExt;
		String savedFileName = fname.replaceAll(" ", "") + "_" +currentTime+""+ fileExt;
		
		while (fExist) {
			if (new File(fullFileName).exists()) {
				counter = counter + 1;
//				fullFileName = parentDir + "\\" + fname + "(" + counter + ")"+ fileExt;
				fullFileName = parentDir + "\\" + fname.replaceAll(" ", "") + "_" +currentTime+""+ fileExt;
				savedFileName = fname.replaceAll(" ", "") + "_" +currentTime+""+ fileExt;
			} else {
				fExist = false;
			}
		}
		Map fileMap = new HashMap();
		fileMap.put("realFileName", fname+fileExt);
		fileMap.put("savedFileName", savedFileName);
		fileMap.put("savedFullFileName", fullFileName);
		fileMap.put("fileExt", fileExt.substring(fileExt.indexOf(".")+1));
		fileMap.put("fileSize", f.length());
		fileMap.put("filePath", parentDir);
		
		System.out.println("--------------------------------");
		System.out.println("fileName : "+fname);
		System.out.println("fileExt : "+fileExt);
		System.out.println("fullFileName : " + fullFileName);
		System.out.println("savedFileName : "+savedFileName);
		System.out.println("fileSize : "+f.length());
		System.out.println("filePath : "+parentDir);
		System.out.println("--------------------------------");
		
		File file = new File(fullFileName);
		fileList.add(fileMap);
		return file;
	}
}