/* Copyright (c) 2008, Katharine Berry
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Katharine Berry nor the names of any contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY KATHARINE BERRY ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL KATHARINE BERRY BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ******************************************************************************/

AjaxLife.StatusBar = function() {
	var div_ld = false;
	var div_position = false;
	var balance = false;
	
	return {
		init: function() {
			var rtl = (_("Language.Direction") == "rtl");
			// Builds and styles the statusbar.
			div_ld = $(document.createElement('div'));
			div_ld.setStyle({'float': (rtl?'left':'right'), color: '#00e752'});
			div_ld.appendChild(document.createTextNode(_('StatusBar.LindenDollarSymbol')+_('StatusBar.Loading')));
			$('statusbar').appendChild(div_ld);
			div_position = $(document.createElement('div'));
			div_position.setStyle({'float': (rtl?'right':'left'), color: 'white'});
			div_position.appendChild(document.createTextNode('Unknown (0, 0, 0)'));
			$('statusbar').appendChild(div_position);
			
			// Register a callback for the MoneyBalanceReplyReceived message to update the balance
			// when we get a response to our request.
			AjaxLife.Network.MessageQueue.RegisterCallback('MoneyBalanceReplyReceived', function(data) {
				AjaxLife.Debug("StatusBar: Received new L$ balance");
				div_ld.update(_('StatusBar.LindenDollarSymbol')+AjaxLife.Utils.FormatNumber(data.Balance));
				balance = data.Balance;
				if(data.Description != '')
				{
					AjaxLife.Widgets.Ext.msg("",data.Description);
				}
			});
			
			// Register for the UsefulData in order to update the position shown in the top-left whenever possible.
			AjaxLife.Network.MessageQueue.RegisterCallback('UsefulData', function(data) {
				div_position.update(data.YourRegion+' ('+Math.round(data.YourPosition.X)+', '+Math.round(data.YourPosition.Y)+', '+Math.round(data.YourPosition.Z)+')');
			});
			
			// Register for the BalanceUpdated message so we know when our balance is updated.
			// For reasons I don't understand, this seems to be called rarely, whilst
			// MoneyBalanceReplyReceived is called frequently, even when no BalanceRequest message
			// was sent.
			AjaxLife.Network.MessageQueue.RegisterCallback('BalanceUpdated', function(data) {
				div_ld.update(_('StatusBar.LindenDollarSymbol')+AjaxLife.Utils.FormatNumber(data.Balance));
				balance = data.Balance;
			});
			
			// Handle global and estate messages - that is, any received IM with a null session.
			// Note that this is technically incorrect behaviour (maybe?), and may result in some libsl bots playing up.
			AjaxLife.Network.MessageQueue.RegisterCallback('InstantMessage', function(data) {
				if(data.IMSessionID != AjaxLife.Utils.UUID.Zero || data.Dialog != AjaxLife.Constants.MainAvatar.InstantMessageDialog.MessageFromAgent) return;
				AjaxLife.Widgets.Ext.msg(data.FromAgentName, data.Message, 'estate-message-'+data.FromAgentID, true);
				AjaxLife.Widgets.Modal.alert(data.FromAgentName, data.Message);
				AjaxLife.SpatialChat.systemmessage(data.FromAgentName+": "+data.Message);
			});
			
			// Request the initial balance on loading.
			AjaxLife.Debug("StatusBar: Requesting L$ balance");
			AjaxLife.Network.Send('RequestBalance', {});
		}
	};
}();