package view;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import GameIO.*;

import java.util.*;


/**
 * @dependency view.GameOverDialog instantiates
 */
public class TicTacToeFrame extends JFrame
	implements IView
{
    private JPanel contentPane;
    private BorderLayout borderLayout1 = new BorderLayout();
    private JPanel jPanel1 = new JPanel();
    private JButton resetBtn = new JButton();
    private JPanel jPanel2 = new JPanel();
    private GridLayout gridLayout1 = new GridLayout();
    private GridLayout gridLayout2 = new GridLayout();
    private JPanel jPanel3 = new JPanel();
    private ButtonGroup buttonGroup1 = new ButtonGroup();
    private GridLayout gridLayout3 = new GridLayout();
    private JButton startBtn = new JButton();
    private JLabel jLabel1 = new JLabel();
    private JButton[][] btnArray;// = new JButton[3] [3];
    private String[] symbolStr = {"X", "0"};

    /**
	 * @supplierCardinality 1
	 */
	private IModelAdmin modelAdmin;

    /**
	 * @supplierCardinality 1
	 */
	private IViewRequestor requestor;
    private JLabel statusLbl = new JLabel();
  private JComboBox player1CBx = new JComboBox();
  private JLabel jLabel2 = new JLabel();
  private JComboBox player2CBx = new JComboBox();
  private JPanel jPanel4 = new JPanel();
  private JPanel jPanel5 = new JPanel();
  private GridLayout gridLayout4 = new GridLayout();
  private JLabel jLabel3 = new JLabel();
  private JTextField addPlayerTF = new JTextField();

    /**
     * @link dependency
     * @stereotype instantiate
     */

    /*#GameOverDialog lnkGameOverDialog;*/

    /** Construct the frame */
    public TicTacToeFrame()
    {
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
        try
        {
            jbInit();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }

        //Center the window
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = this.getSize();
        if (frameSize.height > screenSize.height)
        {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width)
        {
            frameSize.width = screenSize.width;
        }

        this.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
        this.setVisible(true);
    }

    public ICommand getCommand()
    {
        return new ICommand()
        {
            public void setTokenAt(int row, int col, int player)
            {
                btnArray[row] [col].setText(symbolStr[player]);
                statusLbl.setText(" ");
            }

            public void clearTokenAt(int row, int col)
            {
                btnArray[row] [col].setText(" ");
            }

            public void setMessage(String s)
            {
                statusLbl.setText(s);
            }
        };
    }

    /** Component initialization */
    private void jbInit() throws Exception
    {
        //setIconImage(Toolkit.getDefaultToolkit().createImage(TicTacToeFrame.class.getResource("[Your Icon]")));
        contentPane = (JPanel)this.getContentPane();
        contentPane.setLayout(borderLayout1);
        this.setSize(new Dimension(784, 403));
        this.setTitle("Frame Title");
        resetBtn.setEnabled(false);
        resetBtn.setText("Reset");
        resetBtn.addActionListener(
            new java.awt.event.ActionListener()
            {
                public void actionPerformed(ActionEvent e)
                {
                    resetBtn_actionPerformed(e);
                }
            });
        jPanel2.setLayout(gridLayout1);
        jPanel2.setBackground(Color.black);
        jPanel1.setLayout(gridLayout2);
        gridLayout2.setRows(-1);
        gridLayout2.setColumns(1);
        gridLayout2.setHgap(10);
        gridLayout2.setVgap(5);
        jPanel3.setLayout(gridLayout3);
        gridLayout3.setRows(-1);
        gridLayout3.setColumns(1);
        startBtn.setText("Start");
        startBtn.addActionListener(
            new java.awt.event.ActionListener()
            {
                public void actionPerformed(ActionEvent e)
                {
                    startBtn_actionPerformed(e);
                }
            });
        jLabel1.setText("Starting player (X):");
        borderLayout1.setHgap(20);
        borderLayout1.setVgap(20);
        statusLbl.setPreferredSize(new Dimension(3, 20));
    statusLbl.setText(" ");
        jLabel2.setText("Second player (O):");
    jPanel4.setLayout(gridLayout4);
    gridLayout4.setRows(2);
    gridLayout4.setColumns(1);
    jLabel3.setText("Add player");
    addPlayerTF.setPreferredSize(new Dimension(500, 21));
    addPlayerTF.addActionListener(new java.awt.event.ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        addPlayerTF_actionPerformed(e);
      }
    });
    contentPane.add(jPanel1, BorderLayout.WEST);
    contentPane.add(jPanel5, BorderLayout.NORTH);
    jPanel5.add(jLabel3, null);
    jPanel5.add(addPlayerTF, null);
    jPanel1.add(jPanel4, null);
    jPanel4.add(resetBtn, null);
    jPanel4.add(startBtn, null);
        jPanel1.add(jPanel3, null);
        jPanel3.add(jLabel1, null);
        jPanel3.add(player1CBx, null);
        jPanel3.add(jLabel2, null);
        jPanel3.add(player2CBx, null);
        contentPane.add(jPanel2, BorderLayout.CENTER);
        contentPane.add(statusLbl, BorderLayout.SOUTH);
    }

    /** Overridden so we can exit when window is closed */
    protected void processWindowEvent(WindowEvent e)
    {
        super.processWindowEvent(e);
        if (e.getID() == WindowEvent.WINDOW_CLOSING)
        {
            exit();
        }
    }

    /**
	 * Closes the frame and exits the model, returning to the controller.
	 */
	public void exit()
    {
        //System.exit(0);
        dispose();
        modelAdmin.exit();
    }

    /**
	 * Resets the frame to its starting state.
	 */
	public void reset()
    {
        clearBtns();
        enableBtns(false);
        resetBtn.setEnabled(false);
        startBtn.setEnabled(true);
        statusLbl.setText("");
    }

    /**
	 * Clears the text from all the buttons.
	 */
	void clearBtns()
    {
        for (int i = 0; i < btnArray.length; i++)
        {
            for (int j = 0; j < btnArray[i].length; j++) btnArray[i] [j].setText("");
        }
    }

    /**
	 * Enables the buttons so that the user can input a move.
	 */
	public void enableBtns(boolean state)
    {
        for (int i = 0; i < btnArray.length; i++)
        {
            for (int j = 0; j < btnArray[i].length; j++) btnArray[i] [j].setEnabled(state);
        }
    }

    /**
	 * Resets the frame and the model.
	 */
	public void resetAll()
    {
        reset();
        modelAdmin.reset();
    }

    private void resetBtn_actionPerformed(ActionEvent e)
    {
        resetAll();
    }

    public void setRequestor(IViewRequestor requestor) { this.requestor = requestor; }



    private void startBtn_actionPerformed(ActionEvent e)
    {
        modelAdmin.setPlayers(player1CBx.getSelectedItem(), player2CBx.getSelectedItem());
        resetBtn.setEnabled(true);
        startBtn.setEnabled(false);
        enableBtns(true);
    }

    public void draw()
    {
        (new GameOverDialog(this)).draw();
    }

    public void setModelAdmin(IModelAdmin modelAdmin)
    {
        this.modelAdmin = modelAdmin;
        setPlayers(modelAdmin.getPlayers());
    }

    public void win(int player)
    {
        (new GameOverDialog(this)).playerWon("Player \""+ symbolStr[player]+"\"");
    }

    public void setPlayers(java.util.Vector players) {
      for(int i=0; i<players.size();i++) {
        player1CBx.addItem(players.elementAt(i));
        player2CBx.addItem(players.elementAt(i));
      }
    }

    /**
     * Dynamically fill the button grid
     */
    public void setDimension(Dimension size) {
        int nRows = size.height;
        int nCols = size.width;
        gridLayout1.setRows(nRows);
        gridLayout1.setColumns(nCols);
        gridLayout1.setHgap(5);
        gridLayout1.setVgap(5);
        btnArray = new JButton[nRows] [nCols];
        for(int row = 0; row < nRows; row++) {
          for(int col = 0; col<nCols; col++) {
              btnArray[row][col] = new JButton();
              final int thisRow = row;
              final int thisCol = col;
              btnArray[thisRow][thisCol].addActionListener(new ActionListener() {
                 public void actionPerformed(ActionEvent e) {
                    enableBtns(false);
                    requestor.setTokenAt(thisRow, thisCol,
                      new IRejectCommand()
                      {
                          public void execute()
                          {
                              statusLbl.setText("There is already an " + btnArray[thisRow][thisCol].getText() + " at ("+thisRow+","+thisCol+")!");
                          }
                      });
                }
              });
              btnArray[thisRow][thisCol].setBackground(Color.cyan);
              btnArray[thisRow][thisCol].setFont(new java.awt.Font("Dialog", 1, 50));
              jPanel2.add(btnArray[thisRow][thisCol], null);
          }
        }
        validate();  // validate the frame
    }

  /**
	 * Asks the model to add a new ComputerPlayer given the String in the addPlayerTF textfield that holds the fully qualified class name of the INextMoveStrategy.
	 * The new player is added to both combo boxes.
	 * @param e 
	 */
	private void addPlayerTF_actionPerformed(ActionEvent e)
  {
      Object newPlayer = modelAdmin.addPlayer(addPlayerTF.getText());
      if(null!=newPlayer) {
        player1CBx.addItem(newPlayer);
        player2CBx.addItem(newPlayer);
      }
  }
}