import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.border.*;
import java.util.*;
import java.io.*;

public class Control
{
   
	 JLayeredPane layers = new JLayeredPane();
  private Vector stims;
  private String surveyFile;
  private Vector questions = new Vector(); //our vector of xml questions
  private SurveyObject survey;
  private int current; //if current is -1 then vector empty
	private Vector data; //vector of question data to be printed
	
	private class Info
	{
		
		private String question;
		private String ID1;
		private String ID1num;
		private String ID2;
		private String ID2num;
		private String ID3;
		private String ID3num;
		
		public Info()
		{
			
			question = "";
			ID1 = "";
			ID1num = "d";
			ID2 = "";
			ID2num = "d";
			ID3 = "";
			ID3num = "d";

		
		}
		
		public Info(String q, String id1, String id1n, String id2, String id2n,
								String id3, String id3n)
		{

			question = q;
			ID1 = id1;
			ID1num = id1n;
			ID2 = id2;
			ID2num = id2n;
			ID3 = id3;
			ID3num = id3n;


		}
		
		public String getQuestion()
		{
			return question;
		}
		
		public String getID1()
		{	
			return ID1;
		}
		
		public String getID1num()
		{	
			return ID1num;
		}
		
		public String getID2()
		{	
			return ID2;
		}
		
		public String getID2num()
		{	
			return ID2num;
		}
		
		public String getID3()
		{	
			return ID3;
		}
		
		public String getID3num()
		{	
			return ID3num;
		}
		
	}
	
  public Control()
  {
		stims = new Vector();
		current = -1; //set survey to beginning
		
		data = new Vector();
  }
   
  public Control(String file, File dir)
  {
  		surveyFile = file;
			
			 
			JOptionPane.showMessageDialog(layers, "In the Constructor" ,
      							"Error", JOptionPane.ERROR_MESSAGE);
			if(file.endsWith(".wsl"))
			{
				survey = new SurveyObject(surveyFile);
      				survey.readInSurvey();
		
  	    			//get that parsed list of elements and store
    	  			Vector stims = new Vector(survey.getStimList());
        
					//open each elements xml file, parse and store
      			
			for(int i = 0; i < stims.size(); i++)
      			{ 
							try{
							String opening = dir.getCanonicalPath() + "/" + (String)stims.elementAt(i);
							JOptionPane.showMessageDialog(layers, dir.getCanonicalPath() + "/" + (String)stims.elementAt(i) ,
      							"Error", JOptionPane.ERROR_MESSAGE);
        			SchemaParser input = new SchemaParser(opening);
        			XMLobject stim = new XMLobject(opening);
        			stim = input.Parse();
        			questions.addElement(stim);
								}
							catch(Exception e)
							{
								e.printStackTrace();
							}
				}
					
			}
			else
      {
        		JOptionPane.showMessageDialog(null, "Please open a \"Wafers Survey File\" or .wsl",
         		"Error", JOptionPane.ERROR_MESSAGE);
			}
			
			current = 0;
			data = new Vector();
  }
	
	
 	public void gotoFirst()
	{
	 	data.removeAllElements();
		current = 0;
	}
	
	public void gotoNext(SRPole stimPole)
	{
		String s = new Integer(current+1).toString();
	
		XMLobject txml = (XMLobject)questions.elementAt(current);
		Info temp = new Info(s, txml.getPoleIDs(0), stimPole.getCanvas().getPercent(1),txml.getPoleIDs(1),
		stimPole.getCanvas().getPercent(2),txml.getPoleIDs(2), stimPole.getCanvas().getPercent(3));
		
		data.add(temp);
		
		current++;
	}
  
	public void goBack()
	{
		
		if(current > 0 && !questions.isEmpty())
		{
			data.remove(current);
			current--;
		}
		else
		{
			current = 0;
		}
	}
	
	public XMLobject getObject()
	{
		return (XMLobject)questions.elementAt(current);
	}
	
	public boolean finished()
	{
		if(current < questions.size())
		{
			return false;
		}
		else
		{
			return true;
		}
	}
	
	public void writeData()
	{
		
		String s = surveyFile.replaceAll("wsl", "dat");
		
		try {
        BufferedWriter out = new BufferedWriter(new FileWriter(new File(s), true));
        out.write("NEW USER \n\n");
				
				for(int i = 0; i < data.size(); i++)
				{
					Info temp = (Info)data.elementAt(i);
					out.write(temp.getQuestion() + "\n");
					out.write(temp.getID1() + ": " + temp.getID1num() + "\n");
					out.write(temp.getID2() + ": " + temp.getID2num() + "\n");
					out.write(temp.getID3() + ": " + temp.getID3num() + "\n\n");
        }
				
				out.flush();
				out.close();
    } 
		catch (IOException e) {
    	e.printStackTrace();
		}
	}
	
}