/*
 * cognet chat app
 *
 * Copyright 2003, Brian Swetland <swetland@frotz.net>
 * See LICENSE for redistribution terms
 *
 */
package org.twodot.cognet;

import danger.ui.ScreenWindow;
import danger.ui.EditText;
import danger.ui.Layout;
import danger.app.Event;
import danger.ui.Font;
import java.util.Date;
import danger.util.format.DateFormat;

import danger.ui.MarqueeAlert;
import danger.ui.NotificationManager;
import danger.ui.Shortcut;

public class ChatWindow extends ScreenWindow
{
	public ChatWindow(Engine e, String ctxt, String key) {
		super(ctxt);

		history = new ChatHistory(8192, e);
		history.setSize(getWidth() - 1, getHeight() - 20);
		history.setPosition(1, 0);
		this.addChild(history);
		history.show();

		line = new EditText(true, true);
		Layout.positionBelow(line, history, 0, 2);
		line.setSize(getWidth(), getHeight() - line.getTop());
		line.show();
		addChild(line);

		setFocusedChild(line);
		context = ctxt;
		this.key = key;
		engine = e;
		app = e.app;

		if(key.charAt(0) == '%') special = true;
		if(key.charAt(0) == '#') channel = true;
		if(key.charAt(0) == '&') channel = true;
	}

	public void show() {
		engine.MakeActive(this);
		super.show();
	}
	
	public void adjustActionMenuState() {
		app.MakeMenu(getActionMenu(),this);
	}
	
	public boolean eventKeyUp(char key, Event event) {
		if((key == '\n') || (key == '\r')){
			engine.Command(this.key,line.toString());
			line.clear();
			return true;
		} else {
			return super.eventKeyUp(key, event);
		}
	}
	
	public void ScrollList(int count) {
		if(count < 0) {
			count = -count;
			for(int i = 0; i < count; i++) history.ScrollUp();
		} else {
			for(int i = 0; i < count; i++) history.ScrollDown();
		}
		history.invalidate();
		
	}
	
	// no autorepeat
	public boolean eventWidgetUp(int widget, Event event) {
		switch(widget) {
		case Event.DEVICE_WHEEL:
			ScrollList(-1);
			return true;
		case Event.DEVICE_WHEEL_PAGE_UP:
			ScrollList(-8);
			return true;
		case Event.DEVICE_WHEEL_PAGE_DOWN:
			ScrollList(8);
			return true;
		case Event.DEVICE_BUTTON_BACK: 
			getApplication().returnToLauncher();
			return true;
		default:
			return super.eventWidgetUp(widget,event);
		}
	}

	// autorepeat
	public boolean eventWidgetDown(int widget, Event event) {
		switch(widget) {
		case Event.DEVICE_WHEEL:
			ScrollList(1);
			return true;
		case Event.DEVICE_WHEEL_PAGE_DOWN:
			ScrollList(8);
			return true;
		default:
			return super.eventWidgetDown(widget,event);
		}
	}

	public boolean receiveEvent(Event e) {
			//e.DebugPrint();
		switch(e.type){
		case kMessage:
			String s = (String) e.argument;
			history.AddChannel(s);
			history.invalidate();
			if(!active) {
				if(!mailbox) {
					mailbox = true;
					engine.UpdateAlerts();
				}
				//if(!channel && !special){
				//}
			}

            if (!app.fgapp) {
                long timeNow = System.currentTimeMillis();
                if ((app.doMarquee) && (timeNow >= (lastMarquee + (1000 * marqueeTimeout)))) {
                    NotificationManager.marqueeAlertNotify(new MarqueeAlert(s, app.bm_notify,1));
                    lastMarquee = timeNow;
                }
                app.Notify();
            }

            Date date = new Date();
            setSubTitle("Last Message " + DateFormat.withFormat("h:mma", date));

			return true;
		case kClear:
			history.Clear();
			history.invalidate();
			return true;
		}

		return super.receiveEvent(e);
	}

	void MSG(String s) {
		Event e = new Event(this, kMessage);
		e.argument = s;
		getListener().sendEvent(e);
	}
	
	void CLR() {
		getListener().sendEvent(new Event(this, kClear));
	}
	

	void URL(String URL, String Category, String Name)
	{
		links.AddLink(URL, Category, Name);
		app.MakeMenu(getActionMenu(),this);
	}
	
	public boolean eventShortcut(char c, Event e) {
		if ((e.modifiers & Event.EVENT_MODIFIER_CAPS) != 0) {
			if (engine.saveQuickKey(key, (char)e.data))
				return true;
		}
		switch (c) {
		case '@':
			engine.login.show();
			return true;
		case ',':
			ChatWindow cw = engine.NextMailbox(this);
			if(cw != null) cw.show();
			return true;
		case Shortcut.ARROW_LEFT:
			prev.show();
			return true;
		case Shortcut.ARROW_RIGHT:
			next.show();
			return true;
		default:
		    System.err.println("Got shortcut " + c);
			return super.eventShortcut(c, e);
		}
	}
	
	static final int kMessage = 1;
	static final int kClear = 2;
	
	Cognet app;
	ChatHistory history;
	EditText line;
	Engine engine;

	String context;
	String key;
	
	void Remove() {
		next.prev = prev;
		prev.next = next;
		next = this;
		prev = this;
		hide();
	}

	void SetQuickKey(char quickkey) {
		this.quickkey = quickkey;
		if(quickkey != '\0'){
			setTitle(Shortcut.makeShortcutLabel(quickkey, true) + ": " + context);
		} else {
			setTitle(context);
		}
	}

    void setFont(Font f) {
        if (f != null) {
            history.setPlainFont(f);
            history.invalidate();
        }
    }

    void setEmoticons(boolean onOff) {
        history.setEmoticons(onOff);
    }

	char quickkey;
	boolean active;
	boolean mailbox;
	boolean special;
	boolean channel;
    	long lastMarquee;
	public final int marqueeTimeout = 60;		// one minute

    	public LinkMenu links = new LinkMenu();

	ChatWindow next, prev;
}