/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

var d;

function onSearchFormSubmit() {
  var searchValue = $("searchValue");
  var encodedValue = encodeURI(searchValue.value);
  
  if (encodedValue.blank()) {
    checkAjaxRequestsState();
  }
  else {
    var url = (UserFolderURL
               + "usersSearch?search=" + encodedValue);
    if (document.userFoldersRequest) {
      document.userFoldersRequest.aborted = true;
      document.userFoldersRequest.abort();
    }
    document.userFoldersRequest
      = triggerAjaxRequest(url, usersSearchCallback);
  }
  
  return false;
}

function usersSearchCallback(http) {
    document.userFoldersRequest = null;
    var div = $("folders");
    if (http.status == 200) {
        var response = http.responseText;
        buildUsersTree(div, http.responseText);
    }
    else if (http.status == 404)
        div.update();
}

function addUserLineToTree(tree, parent, line) {
	var icon = ResourcesURL + '/busy.gif';

	var userInfos = line.split(":");
	var email = userInfos[1] + " <" + userInfos[2] + ">";
	if (userInfos[3] && !userInfos[3].empty())
		email += ", " + userInfos[3]; // extra contact info
	tree.add(parent, 0, email, 0, '#', userInfos[0], 'person',
					 '', '',
					 ResourcesURL + '/abcard.gif',
					 ResourcesURL + '/abcard.gif');
	if (window.opener.userFolderType != "user") {
		tree.add(parent + 1, parent, labels["Please wait..."], 0, '#', null,
						 null, '', '', icon, icon);
	}
}

function buildUsersTree(treeDiv, response) {
	d = new dTree("d");
	d.config.hideRoot = true;
	d.icon.root = ResourcesURL + '/tbtv_account_17x17.gif';
	d.icon.folder = ResourcesURL + '/tbtv_leaf_corner_17x17.png';
	d.icon.folderOpen = ResourcesURL + '/tbtv_leaf_corner_17x17.png';
	d.icon.node = ResourcesURL + '/tbtv_leaf_corner_17x17.png';
	d.icon.line = ResourcesURL + '/tbtv_line_17x17.gif';
	d.icon.join = ResourcesURL + '/tbtv_junction_17x17.gif';
	d.icon.joinBottom = ResourcesURL + '/tbtv_corner_17x17.gif';
	d.icon.plus = ResourcesURL + '/tbtv_plus_17x17.gif';
	d.icon.plusBottom = ResourcesURL + '/tbtv_corner_plus_17x17.gif';
	d.icon.minus = ResourcesURL + '/tbtv_minus_17x17.gif';
	d.icon.minusBottom = ResourcesURL + '/tbtv_corner_minus_17x17.gif';
	d.icon.nlPlus = ResourcesURL + '/tbtv_corner_plus_17x17.gif';
	d.icon.nlMinus = ResourcesURL + '/tbtv_corner_minus_17x17.gif';
	d.icon.empty = ResourcesURL + '/empty.gif';
  d.preload ();
	d.add(0, -1, '');

	var isUserDialog = (window.opener.userFolderType == "user");
	var multiplier = ((isUserDialog) ? 1 : 2);

	if (response.length) {
		var lines = response.split("\n");
		for (var i = 0; i < lines.length; i++) {
			if (lines[i].length > 0)
				addUserLineToTree(d, 1 + i * multiplier, lines[i]);
		}
		treeDiv.appendChild(d.domObject ());
		treeDiv.clean = false;
		for (var i = 0; i < lines.length - 1; i++) {
			if (lines[i].length > 0) {
				if (!isUserDialog) {
					var toggle = $("tgd" + (1 + i * 2));
          toggle.observe ("click", onUserNodeToggle);
				}
				var sd = $("sd" + (1 + i * multiplier));
        sd.observe("click", onTreeItemClick);
			}
		}
	}
}

function onUserNodeToggle(event) {
	this.stopObserving("click", onUserNodeToggle);

	var person = this.parentNode.getAttribute("dataname");
	
	var url = (UserFolderURLForUser(person) + "foldersSearch"
						 + "?type=" + window.opener.userFolderType);
	var nodeId = this.getAttribute("id").substr(3);
	triggerAjaxRequest(url, foldersSearchCallback,
										 { nodeId: nodeId, user: person });
}

function onTreeItemClick(event) {
	preventDefault(event);

	var topNode = $("d");
	if (topNode.selectedEntry)
		topNode.selectedEntry.deselect();
	this.selectElement();
	topNode.selectedEntry = this;

	if (window.opener.userFolderType == "user")
		$("addButton").disabled = false;
	else {
		var dataname = this.parentNode.getAttribute("dataname");
		if (!dataname)
			dataname = "";
		$("addButton").disabled = (dataname.indexOf(":") == -1);
	};
}

function foldersSearchCallback(http) {
  if (http.status == 200) {
    var response = http.responseText;
 		var nodeId = parseInt(http.callbackData["nodeId"]);

		var dd = $("dd" + (nodeId + 2));
		var indentValue = (dd ? 1 : 0);
		d.aIndent.push(indentValue);

		var dd = $("dd" + nodeId);
		if (response.length) {
			var folders = response.split(";");
			var user = http.callbackData["user"];

			dd.innerHTML = '';
			for (var i = 1; i < folders.length - 1; i++)
				dd.appendChild (addFolderBranchToTree (d, user, folders[i], nodeId, i, false));
			dd.appendChild (addFolderBranchToTree (d, user, folders[folders.length-1], nodeId,
																		(folders.length - 1), true));
			//dd.update(str);
			for (var i = 1; i < folders.length; i++) {
				var sd = $("sd" + (nodeId + i));
				sd.observe("click", onTreeItemClick);
			}
		}
		else {
			dd.innerHTML = '';
			dd.appendChild(addFolderNotFoundNode (d, nodeId, null));
			var sd = $("sd" + (nodeId + 1));
			sd.observe("click", onTreeItemClick);
		}

		d.aIndent.pop();
  }
}

function addFolderBranchToTree(tree, user, folder, nodeId, subId, isLast) {
	var folderInfos = folder.split(":");
	var icon = ResourcesURL + '/';
	if (folderInfos[2] == 'Contact')
		icon += 'tb-mail-addressbook-flat-16x16.png';
	else
		icon += 'calendar-folder-16x16.png';
	var folderId = user + ":" + folderInfos[1];
	var name = folderInfos[0]; // name has the format "Folername (Firstname Lastname <email>)"
	var pos = name.lastIndexOf(' (');
	if (pos > -1)
		name = name.substring(0, pos); // strip the part with fullname and email
	var node = new Node(subId, nodeId, name, 0, '#', folderId,
											folderInfos[2] + '-folder', '', '', icon, icon);
	node._ls = isLast;
	var content = tree.node(node, (nodeId + subId), null);

	return content;
}

function addFolderNotFoundNode (tree, nodeId) {
	var icon = ResourcesURL + '/icon_unread.gif';
	var node = new Node(1, nodeId, labels["No possible subscription"], 0, '#',
											null, null, '', '', icon, icon);
	node._ls = true;
	return tree.node(node, (nodeId + 1));
}

function onConfirmFolderSelection(event) {
  var topNode = $("d");
  if (topNode && topNode.selectedEntry) {
    var node = topNode.selectedEntry.parentNode;
    var folder = node.getAttribute("dataname");

    var folderName;
    if (window.opener.userFolderType == "user") {
			var span = $(topNode.selectedEntry).down("SPAN.nodeName");
			var email = (span.innerHTML
									 .replace("&lt;", "<", "g")
									 .replace("&gt;", ">", "g"));
      folderName = email;
    }
    else {
			var resource = $(topNode.selectedEntry).down("SPAN.nodeName");
			var user = $(node.parentNode.previousSibling).down("SPAN.nodeName");
			var email = (user.innerHTML
									 .replace("&lt;", "<", "g")
									 .replace("&gt;", ">", "g"));
			folderName = resource.innerHTML + ' (' + email + ')';
		}
		folderName = folderName.replace(/>,.*(\))?$/, ">)$1", "g");

    var data = { folderName: folderName, folder: folder, window: window };
    if (parent$(accessToSubscribedFolder(folder)))
      window.alert(clabels["You have already subscribed to that folder!"]);
    else
      window.opener.subscribeToFolder(window.opener.userFolderCallback, data);
  }
}

function onFolderSearchKeyDown(event) {
    if (event.ctrlKey
        || event.metaKey
        || event.keyCode == Event.KEY_TAB)
        return;
    
  var div = $("folders");

  if (!div.clean) {
      var oldD = $("d"); // the folders tree
      if (oldD) {
          oldD.remove();
          delete d;
      }
      div.clean = true;
      $("addButton").disabled = true;
  }
  
  if (this.timer)
      startAnimation($("pageContent"), $("filterPanel"));
}

function initUserFoldersWindow() {
  var searchValue = $("searchValue");
  searchValue.observe("keydown", onFolderSearchKeyDown);
  var addButton = $("addButton");
  addButton.observe("click", onConfirmFolderSelection);
  searchValue.focus();
}

document.observe("dom:loaded", initUserFoldersWindow);