/* meaSuite is copyright 2011/2012 of Turt2Live Programming and Sayshal Productions
 *
 * Modifications of the code, or any use of the code must be preauthorized by Travis
 * Ralston (Original author) before any modifications can be used. If any code is
 * authorized for use, this header must retain it's original state. The authors (Travis
 * Ralston and Tyler Heuman) can request your code at any time. Upon code request you have
 * 24 hours to present code before we will ask you to not use our code.
 *
 * Contact information:
 * Travis Ralston
 * email: [email protected]
 *
 * Tyler Heuman
 * email: [email protected]
 */
package mea.External;

import java.io.*;
import java.net.*;

import mea.Logger.MeaLogger;

public class Download {
    public static double downloadSize = 0;
    public static double downloadAmount = 0;
    public static int lastDownloadPercent = 0;
    private File log = new File("/meaLogger/data_transfer.txt");
    public static String getDownloadStatus(){
        double pert = (downloadAmount/downloadSize)*100;
        int percent = (int) pert;
        return "Downloaded "+downloadAmount+" bytes of "+downloadSize+" bytes. "+percent+"%";
    }
    public static int getDownloadPercent(){
        return (int) ((downloadAmount/downloadSize)*100);
    }
    public int getDownloadStatusInt(){
        if(downloadAmount==downloadSize){
            return 1;
        }else{
            return 0;
        }
    }
    public static int getFileSize() throws Exception{
        FileInputStream fstream = new FileInputStream("filesize.txt");
        DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
        String strLine;
        int retValue = 0;
        while ((strLine = br.readLine()) != null)   {
         retValue = Integer.parseInt(strLine);
        }
        in.close();
        return retValue;
    }

     public Download(URL url, String filename, boolean println) throws Exception {
            URLConnection con;  // represents a connection to the url we want to dl.
            DataInputStream dis;  // input stream that will read data from the file.
            FileOutputStream fos; //used to write data from inut stream to file.
            byte[] fileData;  //byte aray used to hold data from downloaded file.
            try {
                con = url.openConnection(); // open the url connection.
                dis = new DataInputStream(con.getInputStream()); // get a data stream from the url connection.
                fileData = new byte[con.getContentLength()]; // determine how many byes the file size is and make array big enough to hold the data
                //System.out.println("Getting URL and file information...");
                downloadSize = fileData.length;
                int t1 = 0;
               // Thread.sleep(2000);
                for (int x = 0; x < fileData.length; x++) { // fill byte array with bytes from the data input stream
                    fileData[x] = dis.readByte();
                    if(t1==0){
                        t1=1;
                        //System.out.println("Downloading File. This may take a while.");
                    }
                    downloadAmount = x+1;
                    if(getDownloadPercent()== 100){
                        String parts[] = filename.split("\\/");
                        String file = parts[parts.length-2];
                        if(println){
                            System.out.println(file+" :: "+getDownloadStatus());
                            MeaLogger.log(file+" :: "+getDownloadStatus(), log);
                        }
                        lastDownloadPercent = getDownloadPercent();
                    }
                }
                dis.close(); // close the data input stream
              //  System.out.println("Finishing download....");
                //Thread.sleep(900);
                fos = new FileOutputStream(new File(filename));  //create an object representing the file we want to save
                fos.write(fileData);  // write out the file we want to save.
                fos.close(); // close the output stream writer
                //System.out.println("Download Complete.");
            }
            catch(MalformedURLException m) {
                System.out.println(m);
            }
            catch(IOException io) {
                System.out.println(io);
            }
        }

    public Download(URL url, String filename) throws Exception {
        URLConnection con;  // represents a connection to the url we want to dl.
        DataInputStream dis;  // input stream that will read data from the file.
        FileOutputStream fos; //used to write data from inut stream to file.
        byte[] fileData;  //byte aray used to hold data from downloaded file.
        try {
            con = url.openConnection(); // open the url connection.
            dis = new DataInputStream(con.getInputStream()); // get a data stream from the url connection.
            fileData = new byte[con.getContentLength()]; // determine how many byes the file size is and make array big enough to hold the data
            //System.out.println("Getting URL and file information...");
            downloadSize = fileData.length;
            int t1 = 0;
           // Thread.sleep(2000);
            for (int x = 0; x < fileData.length; x++) { // fill byte array with bytes from the data input stream
                fileData[x] = dis.readByte();
                if(t1==0){
                    t1=1;
                    //System.out.println("Downloading File. This may take a while.");
                }
                downloadAmount = x+1;
                if(getDownloadPercent()== 100){
                    String parts[] = filename.split("\\/");
                    String file = parts[parts.length-2];
                    System.out.println(file+" :: "+getDownloadStatus());
                    lastDownloadPercent = getDownloadPercent();
                }
            }
            dis.close(); // close the data input stream
          //  System.out.println("Finishing download....");
            //Thread.sleep(900);
            fos = new FileOutputStream(new File(filename));  //create an object representing the file we want to save
            fos.write(fileData);  // write out the file we want to save.
            fos.close(); // close the output stream writer
            //System.out.println("Download Complete.");
        }
        catch(MalformedURLException m) {
            System.out.println(m);
        }
        catch(IOException io) {
            System.out.println(io);
        }
    }
}