package jrummikub.view.impl;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;

import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JPanel;

import jrummikub.model.Position;
import jrummikub.model.Stone;
import jrummikub.model.StoneSet;
import jrummikub.util.Event1;
import jrummikub.util.IEvent1;
import jrummikub.view.ITable;

@SuppressWarnings("serial")
public class Table extends JPanel implements ITable {
  private final static ImageIcon background = new ImageIcon(
      Board.class.getResource("/jrummikub/resource/felt.png"));

  private JLabel leftPlayerLabel, topPlayerLabel, rightPlayerLabel;
  private JPanel innerPanel;

  private StonePainter stonePainter = new StonePainter(1);

  private Map<StoneSet, Position> stoneSets = Collections.emptyMap();
  private Collection<Stone> highlightedStones = Collections.emptyList();

  private Event1<Position> clickEvent = new Event1<Position>();


  @Override
  public void setLeftPlayerName(String playerName) {
    leftPlayerLabel.setText(playerName);
  }

  @Override
  public void setTopPlayerName(String playerName) {
    topPlayerLabel.setText(playerName);
  }

  @Override
  public void setRightPlayerName(String playerName) {
    rightPlayerLabel.setText(playerName);
  }

  @Override
  public void setStoneSets(Map<StoneSet, Position> stoneSets) {
    this.stoneSets = stoneSets;
  }
  
  @Override
  public void setHighlightedStones(Collection<Stone> stones) {
    highlightedStones = stones;
    
  }
  
  @Override
  public IEvent1<Position> getClickEvent() {
    return clickEvent;
  }

  Table() {
    super(true); // set double buffered
    setLayout(new BorderLayout());

    leftPlayerLabel = new JLabel();
    leftPlayerLabel.setForeground(Color.WHITE);
    add(leftPlayerLabel, BorderLayout.WEST);

    topPlayerLabel = new JLabel();
    topPlayerLabel.setHorizontalAlignment(JLabel.CENTER);
    topPlayerLabel.setHorizontalTextPosition(JLabel.CENTER);
    topPlayerLabel.setForeground(Color.WHITE);
    add(topPlayerLabel, BorderLayout.NORTH);

    rightPlayerLabel = new JLabel();
    rightPlayerLabel.setForeground(Color.WHITE);
    add(rightPlayerLabel, BorderLayout.EAST);

    innerPanel = new JPanel();
    innerPanel.setOpaque(false);
    add(innerPanel, BorderLayout.CENTER);
    
    addMouseListener(new MouseAdapter() {
      @Override
      public void mouseClicked(MouseEvent e) {
        Insets insets = getInsets();

        clickEvent.fire(stonePainter.calculatePosition(e.getX() - insets.left,
            e.getY() - insets.top));
      }
    });
  }

  public void paintStoneSet(Graphics2D g, StoneSet stoneSet, Position pos) {
    float x = pos.getX();

    for (Stone stone : stoneSet) {
      stonePainter.paintStone(g, stone, new Position(x, pos.getY()),
          highlightedStones.contains(stone));
      x++;
    }
  }
  
  @Override
  protected void paintComponent(Graphics g1) {
    Graphics2D g = (Graphics2D) g1;

    for (int x = 0; x < getWidth(); x += background.getIconWidth()) {
      for (int y = 0; y < getHeight(); y += background.getIconHeight()) {
        background.paintIcon(this, g, x, y);
      }
    }

    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);

    for (Map.Entry<StoneSet, Position> stoneSet : stoneSets.entrySet()) {
      paintStoneSet(g, stoneSet.getKey(), stoneSet.getValue());
    }
  }
}