import java.awt.*;
import java.applet.*;
import java.io.*;
import java.net.*;
import java.util.*;

public class PetaSIM extends Applet implements Runnable {
  Thread runner;
  Button button1, button2;
  public int howmanyClicked = 0;

  TextArea resultTxtArea;

  NodeSetControls nodeSetPanel;
  LinkSetControls linkSetPanel;
  DataSetControls dataSetPanel;
  DistribControls distribPanel;
  ExScriptControls exscriptPanel;

  public void add(Component c, GridBagLayout gbl,
		   GridBagConstraints gbc, 
		   int x, int y, int w, int h) {
    gbc.gridx = x;
    gbc.gridy = y;
    gbc.gridwidth = w;
    gbc.gridheight = h;
    gbl.setConstraints(c,gbc);
    add(c);
  }


  public void init() {
    setFont(new Font("Helvetica", Font.PLAIN, 14));

    Panel PetaSIMPanel = new Panel();
    Panel ArchitecturePanel = new Panel();
    Panel ApllicationPanel = new Panel();
    Panel ControlPanel = new Panel();

    setLayout(new BorderLayout());
    
    this.resize(940,620);
    
    //nodeSetPanel = new NodeSetControls(this);
    nodeSetPanel = new NodeSetControls();
    linkSetPanel = new LinkSetControls();
    dataSetPanel = new DataSetControls();
// no Distribution
//    distribPanel = new DistribControls();
    exscriptPanel = new ExScriptControls();

    PetaSIMPanel.setLayout(new GridLayout(2 ,1, 10, 10));
    ArchitecturePanel.setLayout(new GridLayout(1,2,5,5));
    ApllicationPanel.setLayout(new GridLayout(1,3,5,5));
    ControlPanel.setLayout(new FlowLayout(FlowLayout.CENTER));

    ArchitecturePanel.add(nodeSetPanel);    
    ArchitecturePanel.add(linkSetPanel);    

    ApllicationPanel.add(dataSetPanel);
// no Distribution
//    ApllicationPanel.add(distribPanel);
    ApllicationPanel.add(exscriptPanel);


    PetaSIMPanel.add(ArchitecturePanel);
    PetaSIMPanel.add(ApllicationPanel);
  
    ControlPanel.add(new Button(" Clear All "));
    ControlPanel.add(new Label("    "));
    ControlPanel.add(new Button(" Examples "));
    ControlPanel.add(new Label("    "));
    ControlPanel.add(new Button(" Run "));
    ControlPanel.add(new Label("    "));
    ControlPanel.add(new Label("Result :"));
    resultTxtArea = new TextArea(2,38);
    ControlPanel.add(resultTxtArea);
    //    ControlPanel.add(new Button(" Quit "));


    add("Center",PetaSIMPanel);
    add("South", ControlPanel);

  }


  public void getResultFromServer() throws IOException {
    try {
      URL url = new URL(getDocumentBase(), "results.out");
      DataInputStream din = new DataInputStream(url.openStream());
      String sLine; 
      //sLine = din.readLine();
      //resultTxtArea.setText("");
      while((sLine = din.readLine()) != null) {
        resultTxtArea.setText(sLine);
      }
      din.close();
    }
    catch(IOException ioe) {
      System.err.println("Error in PetaSIM showResult0...."+ioe);
      return;
    }
  }
 

  public void sendComanndToServer() {
    Socket thisSocket = null;
    DataOutputStream os = null;
    DataInputStream is = null;
    String st;

    try {
      thisSocket = new Socket("www.new-npac.org", 8778);
      os = new DataOutputStream(thisSocket.getOutputStream());
      is = new DataInputStream(thisSocket.getInputStream());
    }
    catch (UnknownHostException e) {
      System.err.println("Don't know about host: taranis");
      resultTxtArea.setText("Don't know about host: taranis");
    }
    catch (IOException e) {
      System.err.println("Couldn't get I/O for the connection to: taranis");
      resultTxtArea.setText("Couldn't get I/O for the connection to: taranis");
    }
    
    if (thisSocket != null && os != null && is != null) {
      try {
	nodeSetPanel.sendInputToServer(os);
	linkSetPanel.sendInputToServer(os);
	dataSetPanel.sendInputToServer(os);
// no Distribution
//	distribPanel.sendInputToServer(os); 
	exscriptPanel.sendInputToServer(os);
	
	os.writeBytes("run");  // send run command to server
	os.writeByte('\n');
	resultTxtArea.setText(is.readLine()); // write result on text area.

	os.close();
	is.close();
	thisSocket.close();
      }
      catch (IOException e) {
	System.err.println
	  ("I/O failed on the connection to: taranis");
	resultTxtArea.setText
	  ("I/O failed on the connection to: taranis");	
      }
    }
  }

  public void setExampleInput(String ex, String st) {
    String s, tmp ="";

    StringTokenizer t = new StringTokenizer(st, "|");

    s = t.nextToken();
    nodeSetPanel.setExample(s);

    s = t.nextToken();
    linkSetPanel.setExample(s);

    s = t.nextToken();
    dataSetPanel.setExample(s);    

// no Distribution
//    s = t.nextToken();
//    distribPanel.setExample(s);

    s = t.nextToken();
    exscriptPanel.setExample(s);
            
  }


  public boolean action(Event evt, Object obj) {
    String command = (String)obj;

    try {
      if (command.equals(" Run ")) {
	resultTxtArea.setText(" Please Wait.... ");
	sendComanndToServer();
      }    
      else if (command.equals(" Examples ")) {
	ExampleFrame exF = new ExampleFrame(this);
	//exF.pack();
	exF.setTitle("Examples");
	exF.show();
      }
      else if (command.equals(" Clear All ")) {
	nodeSetPanel.clearAll();
	linkSetPanel.clearAll();
	dataSetPanel.clearAll();
// no Distribution
//	distribPanel.clearAll();
	exscriptPanel.clearAll();
	resultTxtArea.setText("");
	validate();
      }
      //else if (command.equals(" Quit ")) {
      //this.dispose();
      //}
      else  return false;   
    }
    catch(Exception e) {
      System.err.println("Error in PetsSIM...." + e);
      //return;
    }

    return true;
  }

  public Image  getPic(int picnum) {
    URL url = getDocumentBase();
    Image pic;

    if((picnum==1) ||(picnum==2))
      pic = getImage(getDocumentBase(),"example1-2.gif");
    else if((picnum==3) ||(picnum==4))
      pic = getImage(getDocumentBase(),"example3-4.gif");
    else
      pic = null;

    return pic;
  }



  public void start() {
    runner = new Thread(this);
    runner.start();
  }
 
 
  public void stop() {
    if (runner != null)
      runner.stop();
  }
 
 
  public void run() {
 
  }

  /*
   public static void main(String[] args) {
       PetaSIM tester = new PetaSIM();
       tester.resize(800, 650);
//       tester.setSize(200, 100);

       tester.init();
       tester.show();
   }
   */


};