import java.awt.*;
import ChannelInfo;
import sfi;

public class Chat {
  public static final short MESSAGE = 1;
  public static final short TITLE = 2;

  public short focus = MESSAGE;  

  private ChannelInfo chan[];
  private int totalUsers;
  private sfi comp;

  private String msg[] = new String[16];
  private int chanStart = 0;
  private int chanSelect = -1;

  public String chanTitle = "";
  public String chatMsg = "";

  private boolean cursor = false;
  private int TTL = 1200;

  Chat(sfi c) {
    comp = c;
    comp.net.sendMessage("@list");
    TTL = 1200;
  }

  public void addMessage(String m) {
    for (int i = 15; i > 0; i--)
      msg[i] = msg[i-1];
    msg[0] = m;
  }

  public void addLetter(char c) {
    if (focus == MESSAGE && chatMsg.length() < 55)
      chatMsg += c;
    else if (focus == TITLE && chanTitle.length() < 22)
      chanTitle += c;
  }

  public void removeLetter() {
    if (focus == MESSAGE) {
      char[] temp = new char[chatMsg.length()];
      chatMsg.getChars(0, chatMsg.length(), temp, 0);
      if (temp.length > 0)
        chatMsg = new String(temp, 0, chatMsg.length() -1);
    } else if (focus == TITLE) {
      char[] temp = new char[chanTitle.length()];
      chanTitle.getChars(0, chanTitle.length(), temp, 0);
      if (temp.length > 0)
        chanTitle = new String(temp, 0, chanTitle.length() -1);
    }
  }

  public void mouseDown(int x, int y) {
    if (x > 450 && x < 460 && y > 280 && y < 300 && chanStart > 0)
      chanStart -= 1;
    else if (x > 450 && x < 460 && y > 360 && y < 380 && chan != null &&
     chanStart+5 < chan.length)
      chanStart += 1;
    else if (x > 230 && x < 450 && y > 290 && y < 375) {
      for (int i = chanStart; i < chanStart+5; i++) {
        if (y > 290+(i-chanStart)*15 && y < 305+(i-chanStart)*25) {
          if (i == chanSelect)
            comp.joinChan(chan[i].chanID, chan[i].mode);
          else
            chanSelect = i;
        }
      }
    } else if (x > 20 && x < 220 && y > 325 && y < 341) {
      focus = TITLE;
    } else if (x > 30 && x < 130 && y > 345 && y < 365 && chanTitle.length() > 6) {
      if (chan != null)
        comp.joinNewChan(comp.getGameID() + chan.length + 10, chanTitle, "map1");
      else
        comp.joinNewChan(comp.getGameID() + 10, chanTitle, "map1");
    } else {
      focus = MESSAGE;
      chanSelect = -1;
    }
  }

  public void paint(Graphics g) {
    if (TTL-- == 0) {
      comp.net.sendMessage("@list");
      TTL = 1200;
      chan = null;
    }      
    g.setFont(comp.font);
    g.setColor(Color.black);
    g.fillRect(0,0,470,400);
    g.setColor(Color.white);
    g.drawRect(10, 10, 450, 248);
    g.drawRect(10, 263, 450, 16);
    cursor = !cursor;
    for (int i = 15; i >= 0; i--) {
      if (msg[i] != null)
        g.drawString(msg[i], 12, (15-i)*15+25);
    }
    if (focus == MESSAGE) {
      g.drawString(chatMsg, 12, 275);
      if (cursor)
        g.drawLine(14 + comp.fontSize.stringWidth(chatMsg), 265,
         14 + comp.fontSize.stringWidth(chatMsg), 277);
    }
    g.drawString("Make New Battle", 10, 302);
    g.drawString("Title:", 20, 320);
    g.drawRect(20, 325, 200, 16);
    if (focus == TITLE) {
      g.drawString(chanTitle, 22, 339);
      if (cursor)
        g.drawLine(22 + comp.fontSize.stringWidth(chanTitle), 327,
         22 + comp.fontSize.stringWidth(chanTitle), 339);
    }
    if (chanTitle.length() > 7) {
      g.drawRect(30, 345, 100, 20);
      g.drawString ("Make Battle!", 35, 359);
    }

    g.drawRect(230, 285, 230, 105);
    if (chan != null && chan.length > 5) {
      g.drawRect(450, 285, 10, 90);
      if (chanStart > 0) {
        g.drawLine(455, 288, 452, 295);
        g.drawLine(455, 288, 458, 295);
        g.drawLine(452, 295, 458, 295);
      }
      if (chan.length > 5+chanStart) {
        g.drawLine(455, 373, 452, 364);
        g.drawLine(455, 373, 458, 364);
        g.drawLine(452, 364, 458, 364);
      }
    }
    if (chan != null) {
      for (int i = chanStart; i < chanStart+5 && i < chan.length; i++) {
        if (i == chanSelect) {
          g.setColor(Color.blue);
          g.fillRect(231,290+(i-chanStart)*15, 228, 15);
        }
        g.setColor(Color.white);
        g.drawString("" + (i+1) + ") " + chan[i].title + " (" +
         chan[i].userCount + " users)", 233, (i-chanStart)*15+302);
      }
      g.drawLine(230, 375, 460, 375);
      if (chanSelect > -1) {
        g.setColor(Color.red);
        g.drawString("Click Again to Join Battle. . .", 233, 388);
      } else 
        g.drawString("" + chan.length + " total Channels, " + totalUsers +
         " total Users", 233, 388);
    } else {
      g.drawLine(230, 375, 460, 375);
      g.drawString("No Current Channels", 233, 388);
    }
  }

  public void addChan(int id, String t, String m, int uc) {
    if (chan == null)
      chan = addChannel(id, t, m, uc, 0);
    else
      chan = addChannel(id, t, m, uc, chan.length);
  }

  private ChannelInfo[] addChannel(int id, String t, String m, int uc, int l) {
    ChannelInfo temp[] = new ChannelInfo[l+1];
    totalUsers = uc;
    for (int i = 0; i < l; i++) {
      temp[i] = chan[i];
      totalUsers += chan[i].userCount;
    }
    temp[l] = new ChannelInfo(id, t, m, uc);
    return temp;
  }
}