import java.applet.Applet;
import java.awt.*;
import java.lang.*;
import java.util.*;
import Chat;
import GameEngine;
import Player;
import Network;
import SelectShip;
import SendFrags;

public class sfi extends Applet implements Runnable {
  public static final short SELECTSHIP = -2;
  public static final short LOGIN = -1;
  public static final short INCHAT = 0;
  public static final short WAIT = 2;
  public static final short PLAY = 1;

  private short state = SELECTSHIP;

  Image offscreenI;
  Graphics offscreenG;

  Thread runner;

  GameEngine game;
  Network net;
  SelectShip sShip;
  Chat bar;
  SendFrags netFrags;

  public String myShip = "ship2";
  public String myMap = "map1";

  private Color sColor[] = new Color[110];
  private Image pannel;
  public int frags = 0;
  public Font font = new Font("Helvetica", Font.PLAIN, 12);
  FontMetrics fontSize = getFontMetrics(font);
  private Font sfont = new Font("Helvetica", Font.PLAIN, 10);

  private int slevel;
  private int wlevel;
  private int vlevel;
  public Player target;

  private String chatMessage[] = { "", "", "" };
  private int TTL = 30;

  private boolean chat = false;
  private String myMessage = "";  

  public void init() {
    setLayout(null);
    this.requestFocus();
    setShieldColors();
    pannel = getImage(getCodeBase(), "gfx/pannel.gif");
    sShip = new SelectShip(this);
    netFrags = new SendFrags(this);
  }

  public void init_startGame() {
    game = new GameEngine(myMap, toInt(this.getParameter("id")), myShip,
     this.getParameter("name"), this);
    setState(PLAY);
    bar = null;
  }

  private void init_network() {
    net = new Network(5000, this);
  }

  public void setState(short s) {
    state = s;
  }

  public boolean checkState(short s) {
    return (state == s);
  }

  public void setShip(String s) {
    myShip = s;
    setState(LOGIN);
    init_network();
    sShip = null;
    System.gc();
  }

  public void enterChat() {
    setState(INCHAT);
    bar = new Chat(this);
    net.sendMessage("@setmode|" + myShip);
  }

  public void joinChan(int id, String map) {
    net.sendMessage("@join|" + id);
    myMap = map;
    state = WAIT;
  }

  public void joinNewChan(int id, String title, String map) {
    net.sendMessage("@joinnew|" + id + "`" + title + "`" + map);
    net.sendMessage("@oneway");
    net.sendMessage("@transid");
    myMap = map;
    state = WAIT;
  }

  public void addList(int id, String title, String mode, int uc) {
    if (state == INCHAT && mode.compareTo("chan") != 0)
      bar.addChan(id, title, mode, uc);
  }

  public int getGameID() {
    return toInt(this.getParameter("gameid"));
  }

  public void start() {
    if (runner == null) {
      runner = new Thread(this);
      runner.start();
    }
  }

  public void stop() {
    if (runner != null) {
      runner.stop();
      runner = null;
    }
  }

  public void destroy() {
    if (net != null) {
      net.sendMessage("@logout");     
      net.stop();
      net.error("User Logged Out!");
    }
    if (frags != 0) {
      netFrags.sendFrags();
    }
  }

  public void run() {
    while (true) {
      gameLogic();
      repaint();
      sleep(62);
    }
  }

  public boolean mouseDown(Event evt, int x, int y) {
    if (state == SELECTSHIP)
      sShip.setY(y);
    else if (state == INCHAT)
      bar.mouseDown(x,y);
    return true;
  }

  public boolean keyDown(Event evt, int key) {
    if (state == INCHAT) {
      if (key == '\n' && bar.focus == bar.MESSAGE && bar.chatMsg.length() > 0) {
        net.sendMessage("#b'" + bar.chatMsg);
        bar.addMessage(this.getParameter("name") + " - " + bar.chatMsg);
        bar.chatMsg = "";
      } else if (key >=32 && key <= 122 && key != 96) 
        bar.addLetter((char) key);
      else if (key == 8 || key == 127)
        bar.removeLetter();
      return true;
    } else if (state != PLAY)
      return false;
    else if (key == '\n' && !chat)
      chat = true;
    else if (chat && key == 27)
      chat = false;
    else if (chat) {
      if (key == '\n') {
        net.sendChatMessage(game.me.name, myMessage);
        addMessage(game.me.name + " - " + myMessage);
        myMessage = "";
        chat = false;
      } else if (key >=32 && key <= 122 && key != 96 && myMessage.length() < 45) {
        myMessage += (char) key;
      } else if (key == 8 || key == 127) {
        char[] temp = new char[myMessage.length()];
        myMessage.getChars(0, myMessage.length(), temp, 0);
        if (temp.length > 0)
          myMessage = new String(temp, 0, myMessage.length() -1);
      }
      return true;
    } else if (key == '4' || key == 1006) {
      if (game.me.setCommand(0, true))
        return true;
    } else if (key == '6' || key == 1007) {
      if (game.me.setCommand(1, true))
        return true;
    } else if (key == '8' || key == 1004) {
      if (game.me.setCommand(2, true))
        return true;
    } else if (key == ' ' && game.me.isAlive()) {
      if (game.me.setCommand(3, true))
        return true;
    } else if (key == ' ') {
      game.spawn(game.me);
      frags -= 1;
    } else
      return false;
    net.sendKeyUpdate();
    return true;
  }

  public boolean keyUp(Event evt, int key) {
    if (state != PLAY)
      return false;
    else if (key == '4' || key == 1006)
      game.me.setCommand(0, false);
    else if (key == '6' || key == 1007)
      game.me.setCommand(1, false);
    else if (key == '8' || key == 1004)
      game.me.setCommand(2, false);
    else if (key == ' ')
      game.me.setCommand(3, false);
    else if (key == 't' && target == null)
      target = game.getTarget(0);
    else if (key == 't')
      target = game.getNextTarget(target.id);
    else
      return false;
    net.sendKeyUpdate();
    return true;
  }

  public synchronized void paint(Graphics g) {
    if (offscreenG == null) {
      offscreenI = createImage(this.size().width, this.size().height);
      offscreenG = offscreenI.getGraphics();
    }
    if (state == PLAY) {
      game.paint(offscreenG);
      offscreenG.setColor(Color.black);
      offscreenG.fillRect(400,0,70,400);
      paintPannel(offscreenG);
      net.paint(offscreenG);
      offscreenG.setColor(Color.white);
      offscreenG.setFont(font);
      for (int i = 0; i < 3; i++)
        offscreenG.drawString(chatMessage[i], 10, (2-i)*15+10);
      if (TTL-- == 0)
        addMessage("");
      if (chat)
        offscreenG.drawString("Message: " + myMessage, 10, 395);
    } else if (state == SELECTSHIP) {
      sShip.paint(offscreenG);
    } else if (state == LOGIN) {
      offscreenG.setColor(Color.black);
      offscreenG.fillRect(0,0,470,400);
      offscreenG.setColor(Color.white);
      offscreenG.setFont(font);
      offscreenG.drawString("Connecting to General Network Server", 25, 50);
      offscreenG.drawString("http://www.netdragons.com/games/24/gns/", 25, 75);
      offscreenG.drawString("Please wait . . .", 30, 100);
    } else if (state == INCHAT && bar != null) {
      bar.paint(offscreenG);
    }

    g.drawImage(offscreenI,0,0,this);
  }

  public void update(Graphics g) {
    paint(g);
  }

  private void gameLogic() {
    if (state == PLAY) {
      if (net.online())
        net.sendPackateData();
      game.update();
    }    
  }

  private void sleep(int i) {
    try { runner.sleep(i); }
    catch (InterruptedException e) { }
  }

  private void paintPannel(Graphics g) {
    g.drawImage(pannel, 400, 0, this);
    g.setColor(Color.white);
    g.drawString("" + frags, 410, 360);

    if (target == null) {
      g.setFont(font);
      g.drawString("No", 430 - fontSize.stringWidth("No")/2, 45);
      g.drawString("Target", 430 - fontSize.stringWidth("Target")/2, 65);
    } else {
      target.paint(g, 430, 40, 5);
      g.setFont(sfont);
      g.drawString(target.name, 412, 75);
      slevel = target.getShieldPercent();
      for (int i = 0; i < slevel; i++) {
        g.setColor(sColor[i]);
        g.drawLine(456+((i%2)*2), 60-i/2, 458+((i%2)*2), 60-i/2);
      }
    }

    slevel = game.me.getShieldPercent();
    wlevel = game.me.getWeaponPowerPercent();
    vlevel = game.me.getVelocityPercent();
    for (int i = 0; i < slevel; i++) {
      g.setColor(sColor[i]);
      g.drawLine(410, 190-i, 420, 190-i);
    }
    for (int i = 0; i < wlevel; i++) {
      g.setColor(sColor[i]);
      g.drawLine(430, 190-i, 440, 190-i);
    }
    for (int i = 0; i < vlevel; i++) {
      g.setColor(sColor[i]);
      g.drawLine(450, 190-i, 460, 190-i);
    }
  }

  public void addMessage(String msg) {
    chatMessage[2] = chatMessage[1];
    chatMessage[1] = chatMessage[0];
    chatMessage[0] = msg;
    TTL = 30;
  }

  private void setShieldColors() {
    for (int i = 0; i < 110; i++)
      sColor[i] = new Color (255-i*2, 0, i*2);
  }

  private int toInt(String s) {
    Integer i = new Integer(s);
    return i.intValue();
  }

}