package Joehot200;

import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Toolkit;
import java.io.BufferedReader;
import java.io.EOFException;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JFrame;
import javax.swing.JProgressBar;

public class Main extends JFrame{

String version = "0.0";
boolean needDownload = false;
static JFrame fr;
public static void main(String[] args){
    fr = new Main();
}
public void needDownload(){
    {
        File f = new File(System.getProperty("user.dir") + "/ver.txt");
        try {
            List<String> lines = Files.readAllLines(Paths.get(f.getAbsolutePath()), StandardCharsets.UTF_8);
            for (String str : lines){
                version = str;
                System.out.println("Version: " + str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    progressBar.setValue(25);
    {
StringBuilder page = new StringBuilder();
URL google;
try {
    google = new URL("http://endcraft.net/ver");

//URL google = new URL("www.endcraft.net/Post");
URLConnection yc = google.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));
String inputLine;
progressBar.setValue(50);
while ((inputLine = in.readLine()) != null) {
    System.out.println(inputLine + " || " + version);
    if (!inputLine.contains(version)){
        needDownload = true;
        System.out.println("Downloading!");
        File f = new File(System.getProperty("user.dir") + "/ver.txt");
        if (f.exists()) f.delete();
        f.createNewFile();
        PrintWriter writer = new PrintWriter(f.getAbsoluteFile(), "UTF-8");
        writer.println(inputLine);
        System.out.println("Updated to version " + inputLine + " from version " + version);
        writer.close();
    }else{
        System.out.println("No downloaded needed!");
    }
}
progressBar.setValue(100);
} catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}
    }
    //RES TODO
    {
/*StringBuilder page = new StringBuilder();
URL google;
try {
    google = new URL("http://endcraft.net/verres");

//URL google = new URL("www.endcraft.net/Post");
URLConnection yc = google.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
    System.out.println(inputLine + " || " + versionRes);
    if (!inputLine.contains(versionRes)){
        downloadRes = true;
        System.out.println("Downloading res!");
    }else{
        System.out.println("No res downloaded needed!");
    }
}
} catch (Exception e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}*/
    }
}
//boolean downloadRes = false;
JProgressBar progressBar;
JProgressBar oprogressBar;
int i = 0;
List<Thread> threads = new ArrayList<Thread>();
long lastTime = 0;
public Main() {
    fr = this;
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    int width = (int) screenSize.getWidth();
    int height = (int) screenSize.getHeight();
    fr.setTitle("Downloading game...");
    fr.setBounds(width / 2 - 200, height / 2 - 50, 400, 100);
    fr.setVisible(true);
    progressBar = new JProgressBar(0);
    oprogressBar = new JProgressBar(0);
    progressBar.setBounds(0, 0, 400, 50);
    oprogressBar.setBounds(0, 50, 400, 50);
    fr.add(progressBar);
    fr.add(oprogressBar);
    progressBar.setValue(0);
    oprogressBar.setValue(0);
    needDownload();
    //if (downloadRes){

    {
        {
        File f = new File("res/");
        if (!f.exists()){
            if (!f.mkdir()){
                System.out.println("Unable to create dir!!");
                System.exit(1);
            }else{
                System.out.println("Created dir!");
            }
        }else{
            System.out.println("Dir already exists");
        }
        }
        {
            File f = new File("res/natives-win");

        if (!f.exists()){
            if (!f.mkdir()){
                System.out.println("Unable to create dir!!");
                System.exit(1);
            }else{
                System.out.println("Created dir!");
            }
        }else{
            System.out.println("Dir already exists");
        }
        }
        progressBar.setValue(10);
        try{
            {
                URL url = new URL("http://www.endcraft.net/webstart/res/download.txt");
                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                conn.setRequestMethod("HEAD");
                File fi = new File("res/download.txt");
                System.out.println((fi.length() != conn.getContentLength()) + " " + fi.length() + " || " +  conn.getContentLength());
            if (!fi.exists() || fi.length() != conn.getContentLength()){
                System.out.println("Downloading resource!");
                download("http://www.endcraft.net/webstart/res/download.txt", "res/download.txt", conn.getContentLength());
            }else{
                System.out.println("No need to download resource!");
            }

        }
            progressBar.setValue(15);
            ArrayList<String> download = readTextFile("res/download.txt");


            for (final String str : download){


                URL url = new URL("http://www.endcraft.net/webstart/res/" + str);
                final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                progressBar.setValue(30);
                conn.setRequestMethod("HEAD");
                File fi = new File("res/" + str);
                if (!fi.getParentFile().exists()){
                    fi.getParentFile().mkdirs();
                }
                System.out.println((fi.length() != conn.getContentLength()) + " " + fi.length() + " || " +  conn.getContentLength());
            if (!fi.exists() || fi.length() != conn.getContentLength()){
                System.out.println("Downloading resource!");
                progressBar.setValue(50);
                Thread t = new Thread() {
                    @Override public void run() {
                        download("http://www.endcraft.net/webstart/res/" + str, "res/" + str, conn.getContentLength());
                    }
                  };
                  t.start();
                  threads.add(t);


            }else{
                System.out.println("No need to download resource!");
                progressBar.setValue(100);
            }

            }
             i++;
                oprogressBar.setValue((int) ((i * 100.0f) / download.size() - threads.size()));


        }catch (Exception e){

        }
        }
    progressBar.setValue(50);
     File f = new File("privateers.jar");
     System.out.println("Exists: " + f.exists());
     try{
     URL url = new URL("http://www.endcraft.net/webstart/privateers.jar");
        final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("HEAD");
    if (needDownload || !f.exists() || f.length() != conn.getContentLength()){


        Thread t = new Thread() {
            @Override public void run() {
                download("http://www.endcraft.net/webstart/privateers.jar", "privateers.jar", conn.getContentLength());
            }
          };
          t.start();
          threads.add(t);

            }
        } catch (Exception e) {
            e.printStackTrace();
        }

     for (Thread t : threads) {
          try {
            t.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

    }

    progressBar.setValue(95);
    try {
        File dir = new File("settings");
        if (!dir.exists()){
            dir.mkdirs();
        }
        String exec = (System.getProperty("user.dir") + java.io.File.separator + "privateers.jar");
        String[] command = {"java", "-jar", exec};
        ProcessBuilder pb =
                   new ProcessBuilder(command[0], command[1], command[2]);
        progressBar.setValue(100);
        System.out.println(pb.command());
        pb.start();
        //final Process process = Runtime.getRuntime().exec(command);
        System.out.println("Running " + exec);
        //while (true){
        //System.out.println(process.waitFor() + " || " + process.getOutputStream());
        System.exit(0);
        //}

    } catch (IOException e1) {
        e1.printStackTrace();
    }

}
void download(String source, String destination, int size) {

    // ten percent of the total download size
    File ofile = new File(System.getProperty("user.dir") + "", destination);
    System.out.printf("\nDownloading\n\t%s\nTo\n\t%s\n", source, destination);
    try {
        if (ofile.exists()) ofile.delete();
        if (!ofile.createNewFile()) {
            throw new IOException("Can't create " + ofile.getAbsolutePath());
        }

        int inChar = 0;
        URL url = new URL(source);
        InputStream input = url.openStream();
        FileOutputStream fos = new FileOutputStream(ofile);
        for (int i = 0; i < size && inChar != -1; i++) {
            if (System.nanoTime() > lastTime + 2000000000){
                lastTime = System.nanoTime();
            int percentage = (int) ((i * 100.0f) / size);

            progressBar.setValue(((int) ((percentage * 100.0f) / 100)));
            fr.setTitle(ofile.getName() + ": " + progressBar.getValue() + "%" + " Total: " + oprogressBar.getValue() + "%");
            }
            inChar = input.read();
            fos.write(inChar);
        }
        i++;
        oprogressBar.setValue((int) ((i * 100.0f) / threads.size()));
        input.close();
        fos.close();
        System.out.println("Downloaded " + ofile.getAbsolutePath());
    } catch (EOFException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

public static ArrayList<String> readTextFile(String fileName) {

      ArrayList<String> values = new ArrayList<String>();
      FileReader file = null;

      try {

        file = new FileReader(fileName);
        BufferedReader reader = new BufferedReader(file);
        String line = "";
        while ((line = reader.readLine()) != null) {
            //////System.out.println(line);

            //line = line.replace("~", "");
            //if (!line.endsWith("~")) line = line + "~";
            //if (line == "" || line.startsWith("~") || line.length() <= 1){
            //  line = ChatColor.GREEN + " ~";
            //}
          values.add(line);
          //////System.out.println(line);

        }
      } catch (Exception e) {
          e.printStackTrace();
          throw new RuntimeException(e);
      } finally {
        if (file != null) {
          try {
            file.close();
          } catch (IOException e) {
            // Ignore issues during closing
          }
        }
      }
      //String[] returnValue = new String[values.size()];
      //for ()
      return values;
    }
}