package hashtable;

import java.io.File;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Scanner;

import javafx.application.Application;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

public class HashTableTest extends Application
{

	@Override
	public void start(Stage primaryStage)
	{


		Button importButton = new Button(" Import File ");


		/** button to solve the maze */
		importButton.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<Event>()
		{

			@Override
            public void handle(Event event)
            {
                fileReader(primaryStage);
            }
		});


		HBox footer = new HBox();
		footer.setId("headingBox");
		footer.getChildren().addAll(importButton);
		BorderPane bp = new BorderPane();
		bp.setBottom(footer);
		//bp.setCenter();
		Scene scene = new Scene(bp);
		scene.getStylesheets().add("stack_maze/CssFile.css");

		primaryStage.setScene(scene); // Place the scene in the stage
	   	primaryStage.show(); // Display the stage
	}

	/** Main method to launch the javafx
	 * @param args main method argument
	 */
	public static void main(String[] args)
	{
		launch(args);
		   //E names;
		   String key;

		   // Creating a Hashtable
		   Hashtable<String, String> hashtable =
		              new Hashtable<String, String>();

		   // Adding Key and Value pairs to Hashtable
		   hashtable.put("Key1","Chaitanya");
		   hashtable.put("Key2","Ajeet");
		   hashtable.put("Key3","Peter");
		   hashtable.put("Key4","Ricky");
		   hashtable.put("Key5","Mona");

		   //names = hashtable.keys();
		   //while(names.hasMoreElements()) {
		    //  key = (String) names.nextElement();
		     // System.out.println("Key: " +key+ " & Value: " +
		     // hashtable.get(key));
	}
	public void fileReader(Stage primaryStage)
	{
		FileChooser fileChooser = new FileChooser();

        // Setting it so you can only import text files
        FileChooser.ExtensionFilter extFilter =
                new FileChooser.ExtensionFilter("TEXT files (*.txt)", "*.txt");
        fileChooser.getExtensionFilters().add(extFilter);

        // Show buttons to start program
        File file = fileChooser.showOpenDialog(primaryStage);
        if (file != null)
        {
        	try
			{
				Scanner in = new Scanner(file);

				SimpleList sl = new SimpleList();
				String line = in.nextLine();
				String[] words = line.split(" ");
				for(int i = 0; i < words.length; i++)
				{
					String wordCheck = words[i].toLowerCase();
					int wordIndex = sl.find(wordCheck);
					if(wordIndex > -1)
					{
						sl.getEntry(wordIndex).incrementCount();
					}
					else
					{
						Entry newEntry = new Entry(wordCheck);
						sl.add(newEntry);
					}
					sl.toString();
				}

			}
				catch(IOException e)
		        {
		            System.err.println(e);
		            System.exit(1);
				}
        }
	}

}