/**
 * mail - static javaScript functions
 *
 * @link http://www.egroupware.org
 * @author klaus leithoff <kl at stylite.de>
 * @package mail
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @version $Id$
 */

var mail_doTimedRefresh;
var mail_refreshTimeOut = 1000*60*3; // initial call
mail_startTimerFolderStatusUpdate(mail_refreshTimeOut);
//inital call of refresh folderstatus
window.setTimeout('mail_refreshFolderStatus()',1000);

/**
 * mail_startTimerFolderStatusUpdate, timer functions, if the counter changes for the current folder
 * refresh the message list
 * @param timeout
 */
function mail_startTimerFolderStatusUpdate(_refreshTimeOut) {
	if (typeof _refreshTimeOut == 'undefined')
	{
		var minutes = egw.preference('refreshTime','mail');
		mail_refreshTimeOut = _refreshTimeOut= 1000*60*(minutes?minutes:3); // either the prefs or 3 Minutes
	}
	if (mail_refreshTimeOut > _refreshTimeOut) _refreshTimeOut = mail_refreshTimeOut;
	if(mail_doTimedRefresh) {
		window.clearTimeout(mail_doTimedRefresh);
	}
	if(_refreshTimeOut > 9999) {//we do not set _refreshTimeOut's less than 10 seconds
		mail_doTimedRefresh = window.setInterval("mail_refreshFolderStatus()", _refreshTimeOut);
	}
}

/**
 * mail_refreshFolderStatus, function to call to read the counters of a folder and apply them
 * 
 * @param _nodeID
 * @param mode
 */
function mail_refreshFolderStatus(_nodeID,mode) {
	var nodeToRefresh = 0;
	var mode2use = "none";
	if (_nodeID) nodeToRefresh = _nodeID;
	if (mode) {
		if (mode == "forced") {mode2use = mode;}
	}
	var tree_wdg = etemplate2.getByApplication('mail')[0].widgetContainer.getWidgetById('nm[foldertree]');

	var activeFolders = tree_wdg.getTreeNodeOpenItems(nodeToRefresh,mode2use);
	//alert(activeFolders.join('#,#'));
	mail_queueRefreshFolderList(activeFolders);

	mail_refreshMessageGrid();
}

var mail_queuedFolders = [];
var mail_queuedFoldersIndex = 0;

/**
 * Queues a refreshFolderList request for 1ms. Actually this will just execute the
 * code after the calling script has finished.
 */
function mail_queueRefreshFolderList(_folders)
{
	mail_queuedFolders.push(_folders);
	mail_queuedFoldersIndex++;

	// Copy idx onto the anonymous function scope
	var idx = mail_queuedFoldersIndex;
	window.setTimeout(function() {
		if (idx == mail_queuedFoldersIndex)
		{
			//var folders = mail_queuedFolders.join(",");
			mail_queuedFoldersIndex = 0;
			mail_queuedFolders = [];

			var request = new egw_json_request('mail.mail_ui.ajax_setFolderStatus',[_folders]);
			request.sendRequest();
		}
	}, 10);
}

/**
 * mail_setFolderStatus, function to set the status for the visible folders
 */
function mail_setFolderStatus(_status) {
	var ftree = etemplate2.getByApplication('mail')[0].widgetContainer.getWidgetById('nm[foldertree]');
	for (var i in _status) ftree.setLabel(i,_status[i]);//alert(i +'->'+_status[i]);
}

/**
 * mail_refreshMessageGrid, function to call to reread ofthe current folder
 */
function mail_refreshMessageGrid() {
	var nm = etemplate2.getByApplication('mail')[0].widgetContainer.getWidgetById('nm');
	nm.applyFilters(); // this should refresh the active folder
}

/**
 * Refresh given application _targetapp display of entry _app _id, incl. outputting _msg
 * 
 * Default implementation here only reloads window with it's current url with an added msg=_msg attached
 * 
 * @param string _msg message (already translated) to show, eg. 'Entry deleted'
 * @param string _app application name
 * @param string|int _id=null id of entry to refresh
 * @param string _type=null either 'edit', 'delete', 'add' or null
 */
var doStatus;
window.register_app_refresh("mail", function(_msg, _app, _id, _type)
{
	var bufferExists = false;
	window.clearInterval(doStatus); // whatever message was up to be activated
	//alert("app_refresh(\'"+_msg+"\',\'"+_app+"\',\'"+_id+"\',\'"+_type+"\')");
	//myCurrentMsg = mail_getMsg();
	//if (myCurrentMsg.length) {
		// clear message after some time
		myMessageBuffer = ""; //myCurrentMsg;
		bufferExists = true;
	//}
	mail_setMsg('<span style="font-weight: bold;">' +_msg+ '</span>');
	if (_app=='mail')
	{
		//we may want to trigger some actions, like modifying the grid, disable preview and stuff

		// TODO: more actions
	}
	if (bufferExists) doStatus = window.setInterval("egw_appWindow('mail').mail_setMsg(myMessageBuffer);", 10000);
}
);

/**
 * mail_getMsg - gets the current Message
 * @return string
 */
function mail_getMsg()
{
	var msg_wdg = etemplate2.getByApplication('mail')[0].widgetContainer.getWidgetById('msg');
	if (msg_wdg)
	{
		return msg_wdg.valueOf().htmlNode[0].innerHTML;
	}
	return "";
}

/**
 * mail_setMsg - sets a Message, with the msg container, and controls if the container is enabled/disabled
 * @param string myMsg - the message
 */
function mail_setMsg(myMsg)
{
	var msg_wdg = etemplate2.getByApplication('mail')[0].widgetContainer.getWidgetById('msg');
	if (msg_wdg)
	{
		msg_wdg.set_value(myMsg);
		msg_wdg.set_disabled(myMsg.trim().length==0);
	}
}

/**
 * Delete mails
 * takes in all arguments
 * @param _action
 * @param _elems
 */
function mail_delete(_action,_elems)
{
	var msg = mail_getFormData(_elems);
	//alert(_action.id+','+ msg);
	app_refresh(egw.lang('delete messages'), 'mail');
	mail_setRowClass(_elems,'deleted');
	var request = new egw_json_request('mail.mail_ui.ajax_deleteMessages',[msg]);
	request.sendRequest(false);
	mail_refreshMessageGrid()
}

/**
 * UnDelete mailMessages
 * 
 * @param _messageList
 */
function mail_undeleteMessages(_messageList) {
// setting class of row, the old style
/*
		for(var i=0;i<_messageList['msg'].length;i++) {
			_id = _messageList['msg'][i];
			var dataElem = egw_appWindow('felamimail').mailGrid.dataRoot.getElementById(_id);
			if (dataElem)
			{
				//dataElem.clearData();
				//dataElem.addClass('deleted');
				dataElem.removeClass('deleted');
			}
		}
*/
}

/**
 * mail_emptyTrash
 */
function mail_emptyTrash() {
	app_refresh(egw.lang('empty trash'), 'mail');
	var request = new egw_json_request('mail.mail_ui.ajax_emptyTrash');
	request.sendRequest();
}

/**
 * mail_compressFolder
 */
function mail_compressFolder() {
	app_refresh(egw.lang('compress folder'), 'mail');
	var request = new egw_json_request('mail.mail_ui.ajax_compressFolder');
	request.sendRequest();
}

/**
 * mail_changeProfile
 * @param folder, the ID of the selected Node -> should be an integer
 * @param _widget, handle to the tree widget
 */
function mail_changeProfile(folder,_widget) {
//	alert(folder);
	var request = new egw_json_request('mail.mail_ui.ajax_changeProfile',[folder]);
	request.sendRequest(false);
	mail_refreshMessageGrid();

	return true;
}

/**
 * mail_changeFolder
 * @param folder, the ID of the selected Node
 * @param _widget, handle to the tree widget
 */
function mail_changeFolder(folder,_widget) {
	//alert('change Folder called:'+folder);
	app_refresh(egw.lang('change folder')+'...', 'mail');
	var img = _widget.getSelectedNode().images[0]; // fetch first image
	if (!(img.search(eval('/'+'NoSelect'+'/'))<0) || !(img.search(eval('/'+'thunderbird'+'/'))<0))
	{
		if (!(img.search(eval('/'+'thunderbird'+'/'))<0))
		{
			rv = mail_changeProfile(folder,_widget);
			if (rv)
			{
				return rv;
			}
		}
		if (_widget.event_args.length==2)
		{
			folder = _widget.event_args[1];
			_widget.set_value(folder);
		}
		else
		{
			_widget.set_value('');
		}		
	}
	var nm = _widget.getRoot().getWidgetById('nm');
	nm.activeFilters["selectedFolder"] = folder;
	nm.applyFilters();
	var msg = _widget.getRoot().getWidgetById('msg');
	if (msg)
	{
		window.clearInterval(doStatus);
		displayname = _widget.getSelectedLabel();
		inBraket = displayname.search(/\(/);
		if (inBraket!=-1)
		{
			outBraket = displayname.search(/\)/);
			if (outBraket!=-1) displayname = displayname.replace(/\((.*?)\)/,"");
		}
		myMsg = (displayname?displayname:folder)+' '+egw.lang('selected');
		app_refresh(myMsg, 'mail');
	}
	//mail_refreshMessageGrid();
	mail_refreshFolderStatus(folder,'forced');
	mail_startTimerFolderStatusUpdate(mail_refreshTimeOut);
}

/**
 * Flag mail as 'read', 'unread', 'flagged' or 'unflagged'
 * 
 * @param _action _action.id is 'read', 'unread', 'flagged' or 'unflagged'
 * @param _elems
 */
function mail_flag(_action, _elems)
{
	//alert(_action.id+' - '+_elems[0].id);
	var msg = mail_getFormData(_elems);
	//
	mail_flagMessages(_action.id,msg);
}

/**
 * Flag mail as 'read', 'unread', 'flagged' or 'unflagged'
 * 
 * @param _action _action.id is 'read', 'unread', 'flagged' or 'unflagged'
 * @param _elems
 */
function mail_flagMessages(_flag, _elems)
{
	app_refresh(egw.lang('flag messages'), 'mail');
	var request = new egw_json_request('mail.mail_ui.ajax_flagMessages',[_flag, _elems]);
	request.sendRequest(false);
	mail_refreshMessageGrid()
}

/**
 * display header lines, or source of mail, depending on the url given
 * 
 * @param _url
 */
function mail_displayHeaderLines(_url) {
	// only used by right clickaction
	egw_openWindowCentered(_url,'mail_display_headerLines','700','600',window.outerWidth/2,window.outerHeight/2);
}

/**
 * View header of a message
 * 
 * @param _action
 * @param _elems _elems[0].id is the row-id
 */
function mail_header(_action, _elems)
{
	//alert('mail_header('+_elems[0].id+')');
	var url = window.egw_webserverUrl+'/index.php?';
	url += 'menuaction=mail.mail_ui.displayHeader';	// todo compose for Draft folder
	url += '&id='+_elems[0].id;
	mail_displayHeaderLines(url);
}

/**
 * View message source
 * 
 * @param _action
 * @param _elems _elems[0].id is the row-id
 */
function mail_mailsource(_action, _elems)
{
	//alert('mail_mailsource('+_elems[0].id+')');
	var url = window.egw_webserverUrl+'/index.php?';
	url += 'menuaction=mail.mail_ui.saveMessage';	// todo compose for Draft folder
	url += '&id='+_elems[0].id;
	url += '&location=display';
	mail_displayHeaderLines(url);
}

/**
 * mail_getFormData
 * 
 * @param _actionObjects, the senders
 * @return structured array of message ids: array(msg=>message-ids)
 */
function mail_getFormData(_actionObjects) {
	var messages = {};
	if (_actionObjects.length>0)
	{
		messages['msg'] = [];
	}

	for (var i = 0; i < _actionObjects.length; i++) 
	{
		if (_actionObjects[i].id.length>0)
		{
			messages['msg'][i] = _actionObjects[i].id;
		}
	}

	return messages;
}

/**
 * mail_setRowClass
 * 
 * @param _actionObjects, the senders
 */
function mail_setRowClass(_actionObjects,_class) {
	if (typeof _class == 'undefined') return false;

	for (var i = 0; i < _actionObjects.length; i++) 
	{
		if (_actionObjects[i].id.length>0)
		{
			var _id = _actionObjects[i].id;
			var dataElem = $j(_actionObjects[i].iface.getDOMNode());
			dataElem.addClass(_class);

		}
	}
}

// Tree widget stubs
mail_dragStart = function(action,sender) {
console.log(action,sender);
}
mail_move = function(action,sender) {
console.log(action,sender);
}
mail_copy = function(action,sender) {
console.log(action,sender);
}