package NET.worlds.console;

import NET.worlds.network.CacheEntry;
import java.awt.Button;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Event;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Label;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ProgressBar extends Frame implements ActionListener {
   private static final long serialVersionUID = -5057984821909220829L;
   private int _total;
   private int _current = 0;
   private boolean _offline = false;
   private Canvas _barCanvas;
   private Label _header;
   private TextField _message;
   private Button _offlineButton;
   private static final int BAR_WIDTH = 250;
   private static final int BAR_HEIGHT = 20;
   private static final int BORDER = 10;

   public ProgressBar(String header, int total) {
      this._header = new Label(header);
      this._total = total;
      if (this._total < 1) {
         this._total = 1;
      }

      this.build();
      this.setTitle("Loading Progress");
   }

   public void advance() {
      this._current++;
      if (this._current > this._total) {
         this._current = this._total;
      }

      this.paintBar();
   }

   public int current() {
      return this._current;
   }

   public int total() {
      return this._total;
   }

   public int percentComplete() {
      return this._current * 100 / this._total;
   }

   public boolean offline() {
      return this._offline;
   }

   public void setMessage(String m) {
      this._message.setText(m);
      this.update(this.getGraphics());
   }

   protected int pixelsComplete() {
      return this._current * 250 / this._total;
   }

   protected void build() {
      this.setLayout(new GridLayout(3, 1, 10, 0));
      this._barCanvas = new Canvas();
      this._barCanvas.setSize(270, 40);
      this.add(this._barCanvas);
      this._message = new TextField("Working...");
      this._message.setEditable(false);
      this.add(this._message);
      Panel buttonPanel = new Panel();
      this._offlineButton = new Button("Go Offline");
      this._offlineButton.addActionListener(this);
      buttonPanel.add(this._offlineButton);
      this.add(buttonPanel);
      this.pack();
   }

   @Override
   public void paint(Graphics g) {
      this.paintBar();
   }

   @Override
   public void actionPerformed(ActionEvent ae) {
      if (ae.getSource() == this._offlineButton) {
         this._offline = true;
         CacheEntry.setOffline();
         this._offlineButton.setEnabled(false);
      }
   }

   @Override
   public boolean handleEvent(Event e) {
      if (e.id == 201) {
         this.setVisible(false);
         this.dispose();
         Main.end();
         throw new Error("User cancelled startup.");
      } else {
         return super.handleEvent(e);
      }
   }

   protected void paintBar() {
      Graphics g = this._barCanvas.getGraphics();
      Image off = this.createImage(270, 40);
      Graphics offG = off.getGraphics();
      offG.setColor(this.getBackground());
      offG.fillRect(0, 0, 270, 40);
      offG.setColor(Color.gray);
      offG.fillRect(10, 10, this.pixelsComplete(), 20);
      offG.setColor(Color.darkGray);
      offG.draw3DRect(11, 11, this.pixelsComplete() - 1, 18, true);
      offG.setColor(Color.black);
      offG.drawRect(10, 10, 250, 20);
      String perString = Integer.toString(this.percentComplete()) + "% Complete";
      g.setFont(new Font("Times Roman", 0, 12));
      FontMetrics fm = g.getFontMetrics();
      int halfHeight = fm.getHeight() / 2;
      int halfWidth = fm.stringWidth(perString) / 2;
      offG.drawString(perString, 135 - halfWidth, 20 + halfHeight);
      g.drawImage(off, 0, 0, null);
      offG.dispose();
      off.flush();
   }
}