/*global define */
define(['jquery', 'underscore', 'backbone', 'clipboard',
        'collections/UserGroup',
    		'models/UserModel',
        "models/Stats",
		'views/SignInView', 'views/StatsView', 'views/DataCatalogView',
		'views/UserGroupView',
        'text!templates/userProfile.html', 'text!templates/alert.html', 'text!templates/loading.html',
        'text!templates/userProfileMenu.html', 'text!templates/userSettings.html', 'text!templates/noResults.html'],
	function($, _, Backbone, Clipboard,
    UserGroup,
    UserModel, Stats,
    SignInView, StatsView, DataCatalogView, UserGroupView,
    userProfileTemplate, AlertTemplate, LoadingTemplate,
    ProfileMenuTemplate, SettingsTemplate, NoResultsTemplate) {
	'use strict';

	/**
	 * @class UserView
	 * @classdesc A major view that displays a public profile for the user and a settings page for the logged-in user
	 * to manage their account info, groups, identities, and API tokens.
   * @classcategory Views
   * @screenshot views/UserView.png
	 */
	var UserView = Backbone.View.extend(
    /** @lends UserView.prototype */{

		el: '#Content',

		//Templates
		profileTemplate:  _.template(userProfileTemplate),
		alertTemplate:    _.template(AlertTemplate),
		loadingTemplate:  _.template(LoadingTemplate),
		settingsTemplate: _.template(SettingsTemplate),
		menuTemplate:     _.template(ProfileMenuTemplate),
		noResultsTemplate: _.template(NoResultsTemplate),

    /**
    * A jQuery selector for the element that the PortalListView should be inserted into
    * @type {string}
    */
    portalListContainer: ".my-portals-container",

		events: {
			"click .section-link"          : "switchToSection",
			"click .subsection-link"       : "switchToSubSection",
			"click .token-generator"       : "getToken",
			"click #mod-save-btn"		   : "saveUser",
			"click #map-request-btn"	   : "sendMapRequest",
			"click .remove-identity-btn"   : "removeMap",
			"click .confirm-request-btn"   : "confirmMapRequest",
			"click .reject-request-btn"	   : "rejectMapRequest",
			"click [highlight-subsection]" : "highlightSubSection",
			"keypress #add-group-name"     : "preventSubmit",
			"click .token-tab" 			   : "switchTabs"
		},

		initialize: function(){
			this.subviews = new Array();
		},

		//------------------------------------------ Rendering the main parts of the view ------------------------------------------------//
		render: function (options) {
			//Don't render anything if the user profiles are turned off
			if( MetacatUI.appModel.get("enableUserProfiles") === false ){
				return;
			}

			this.stopListening();
			if(this.model) this.model.stopListening();

      //Create a Stats model
      this.statsModel = new Stats();

			this.activeSection = (options && options.section)? options.section : "profile";
			this.activeSubSection = (options && options.subsection)? options.subsection : "";
			this.username = (options && options.username)? options.username : undefined;

			//Add the container element for our profile sections
			this.sectionHolder = $(document.createElement("section")).addClass("user-view-section");
			this.$el.html(this.sectionHolder);

			//Show the loading sign first
			//$(this.sectionHolder).html(this.loadingTemplate());
			this.$el.show();

			// set the header type
			MetacatUI.appModel.set('headerType', 'default');

			//Render the user profile only after the app user's info has been checked
			//This prevents the app from rendering the profile before the login process has completed - which would
			//cause this profile to render twice (first before the user is logged in then again after they log in)
			if(MetacatUI.appUserModel.get("checked")) this.renderUser();
			else MetacatUI.appUserModel.on("change:checked", this.renderUser, this);

			return this;
		},

		/**
		 * Update the window location path to route to /portals path
		 * @param {string} username - Short identifier for the member node
		*/
		forwardToPortals: function(username){

			var pathName      = decodeURIComponent(window.location.pathname)
								.substring(MetacatUI.root.length)
								// remove trailing forward slash if one exists in path
								.replace(/\/$/, "");

			// Routes the /profile/{node-id} to /portals/{node-id}
			var pathRE = new RegExp("\\/profile(\\/[^\\/]*)?$", "i");
			var newPathName = pathName.replace(pathRE, "") + "/" +
							MetacatUI.appModel.get("portalTermPlural") + "/" + username;

			// Update the window location
			MetacatUI.uiRouter.navigate( newPathName, { trigger: true, replace: true } );
			return;
		},

		renderUser: function(){


			this.model = MetacatUI.appUserModel;

			var username = MetacatUI.appModel.get("profileUsername") || view.username,
				currentUser = MetacatUI.appUserModel.get("username") || "";

			if(username.toUpperCase() == currentUser.toUpperCase()){ //Case-insensitive matching of usernames
				this.model = MetacatUI.appUserModel;
				this.model.set("type", "user");

				//If the user is logged in, display the settings options
				if(this.model.get("loggedIn")){
					this.insertMenu();
					this.renderProfile();
					this.renderSettings();
					this.resetSections();
				}
			}

			//If this isn't the currently-logged in user, then let's find out more info about this account
			else{
				//Create a UserModel with the username given
				this.model = new UserModel({
					username: username
				});

				//Is this a member node?
				if(MetacatUI.nodeModel.get("checked") && this.model.isNode()){
					this.model.saveAsNode();
					this.model.set("nodeInfo", _.find(MetacatUI.nodeModel.get("members"), function(nodeModel) {
						return nodeModel.identifier.toLowerCase() == "urn:node:" + username.toLowerCase();
					  }));
					this.forwardToPortals(username);
					return;
				}
				//If the node model hasn't been checked yet
				else if(!MetacatUI.nodeModel.get("checked")){
					var user = this.model,
						view = this;
					this.listenTo(MetacatUI.nodeModel, "change:checked", function(){
						if(user.isNode())
							view.render();
					});
				}

				//When we get the infomration about this account, then crender the profile
				this.model.once("change:checked", this.renderProfile, this);
				this.model.once("change:checked", this.resetSections, this);
				//Get the info
				this.model.getInfo();
			}

			//When the model is reset, refresh the page
			this.listenTo(this.model, "reset", this.render);

		},

		renderProfile: function(){

			//Insert the template first
			var profileEl = $.parseHTML(this.profileTemplate({
				type: this.model.get("type"),
				logo: this.model.get("logo") || "",
				description: this.model.get("description") || "",
				user: this.model.toJSON()
			}).trim());

			//If the profile is being redrawn, then replace it
			if(this.$profile && this.$profile.length){
				//If the profile section is currently hidden, make sure we hide our new profile rendering too
				if(!this.$profile.is(":visible"))
					$(profileEl).hide();

				this.$profile.replaceWith(profileEl);
			}
			//If this is a fresh rendering, then append it to the page and save it
			else
				this.sectionHolder.append(profileEl);

			this.$profile = $(profileEl);

			//If this user hasn't uploaded anything yet, display so
			this.listenTo(this.statsModel, "change:totalCount", function(){
				if(!this.statsModel.get("totalCount"))
					this.noActivity();
			});

			//Insert the user data statistics
			this.insertStats();

			//Insert the user's basic information
			this.listenTo(this.model, "change:fullName", this.insertUserInfo);
			this.insertUserInfo();

			var view = this;
			//Listen to changes in the user's search terms
			this.listenTo(this.model, "change:searchModel", this.renderProfile);


			//Insert this user's data content
			this.insertContent();

			// create the UserGroupView to generate the membership list
			// this is the first call to UserGroupView so we instantiate it here
			var groupView = new UserGroupView({model: this.model});
			this.subviews.push(groupView);
			this.renderMembershipList();
		},

			renderMembershipList: function() {
				//List the groups this user is in by creating usergroupview subview
				//List the groups this user is in by creating usergroupview subview
				var groupView = _.where(this.subviews, {type: "UserGroupView"}).at(0);

				if(this.model.get("type") == "group"){
					//Create the User Group collection
					var options = {
						name: this.model.get("fullName"),
						groupId: this.model.get("username"),
						rawData: this.model.get("rawData") || null
					}
					var userGroup = new UserGroup([], options);
					//Create the group list and add it to the page
					var viewOptions = { collapsable: false, showGroupName: false }
					var groupList = groupView.createGroupList(userGroup, viewOptions);
					this.$("#user-membership-container").html(groupList);
				}
				else{
					var groups = _.sortBy(this.model.get("isMemberOf"), "name");
					if(!groups.length){
						this.$("#user-membership-header").hide();
						return;
					}
					this.sectionHolder.append(groupView.insertMembership(groups, this.$("#user-membership-container")).html());
				}
			},

			renderGroupsSection: function() {
				var groupView = _.where(this.subviews, {type: "UserGroupView"}).at(0);
				var container = this.$('#groups-container');
				container.append(groupView.render().el)
			},

			renderSettings: function(){
					//Don't render anything if the user profile settings are turned off
		if( MetacatUI.appModel.get("enableUserProfileSettings") === false ){
			return;
		}

		//Insert the template first
		this.sectionHolder.append(this.settingsTemplate(this.model.toJSON()));
		this.$settings = this.$("[data-section='settings']");

		//Draw the group list
		this.renderGroupsSection();

		//Listen for the identity list
		this.listenTo(this.model, "change:identities", this.insertIdentityList);
		this.insertIdentityList();

		//Listen for the pending list
		this.listenTo(this.model, "change:pending", this.insertPendingList);
		this.model.getPendingIdentities();

		//Render the portals subsection
		this.renderMyPortals();

			//Listen for updates to person details
			this.listenTo(this.model, "change:lastName change:firstName change:email change:registered", this.updateModForm);
			this.updateModForm();

			// init autocomplete fields
			this.setUpAutocomplete();

			//Get the token right away
			this.getToken();
		},

		/*
		 * Displays a menu for the user to switch between different views of the user profile
		 */
		insertMenu: function(){

			//If the user is not logged in, then remove the menu
			if(!MetacatUI.appUserModel.get("loggedIn")){
				this.$(".nav").remove();
				return;
			}

			//Otherwise, insert the menu
			var menu = this.menuTemplate({
				username: this.model.get("username")
			});

			this.$el.prepend(menu);
		},

		//------------------------------------------ Navigating sections of view ------------------------------------------------//
		switchToSection: function(e, sectionName){

			if(e) e.preventDefault();

			//Hide all the sections first
			$(this.sectionHolder).children().slideUp().removeClass(".active");

			//Get the section name
			if(!sectionName)
				var sectionName = $(e.target).attr("data-section");

			//Display the specified section
			var activeSection = this.$(".section[data-section='" + sectionName + "']");
			if(!activeSection.length) activeSection = this.$(".section[data-section='profile']");
			$(activeSection).addClass("active").slideDown();

			//Change the navigation tabs
			this.$(".nav-tab").removeClass("active");
			$(".nav-tab[data-section='" + sectionName + "']").addClass("active");

			//Find all the subsections, if there are any
			if($(activeSection).find(".subsection").length > 0){
				//Find any item classified as "active"
				var activeItem = $(activeSection).find(".active");
				if(activeItem.length > 0){
					//Find the data section this active item is referring to
					if($(activeItem).children("[data-subsection]").length > 0){
						//Get the section name
						var subsectionName = $(activeItem).find("[data-subsection]").first().attr("data-subsection");
						//If we found a section name, find the subsection element and display it
						if(subsectionName) this.switchToSubSection(null, subsectionName);
					}
					else
						this.switchToSubSection(null, $(activeSection).children("[data-section]").first().attr("data-section"));
				}
			}
		},

		switchToSubSection: function(e, subsectionName){
			if(e){
				e.preventDefault();
			    var subsectionName = $(e.target).attr("data-section");
          if( !subsectionName ){
            subsectionName = $(e.target).parents("[data-section]").first().attr("data-section");
          }
			}

			//Mark its links as active
			$(".section.active").find(".subsection-link").removeClass("active");
			$(".section.active").find(".subsection-link[data-section='" + subsectionName + "']").addClass("active");

			//Hide all the other sections
			$(".section.active").find(".subsection").hide();
			$(".section.active").find(".subsection[data-section='" + subsectionName + "']").show();
		},

		resetSections: function(){
			//Hide all the sections first, then display the section specified in the URL (or the default)
			this.$(".subsection, .section").hide();
			this.switchToSection(null, this.activeSection);

			//Show the subsection
			if(this.activeSubSection)
				this.switchToSubSection(null, this.activeSubSection);
		},

		highlightSubSection: function(e, subsectionName){
			if(e) e.preventDefault();

			if(!subsectionName && e){
				//Get the subsection name
				var subsectionName = $(e.target).attr("highlight-subsection");
				if(!subsectionName) return;
			}
			else if(!subsectionName && !e) return false;

			//Find the subsection
			var subsection = this.$(".subsection[data-section='" + subsectionName + "']");
			if(!subsection.length) subsection = this.$("[data-subsection='add-account']");
			if(!subsection.length) return;

			//Visually highlight the subsection
			subsection.addClass("highlight");
			MetacatUI.appView.scrollTo(subsection);
			//Wait about a second and then remove the highlight style
			window.setTimeout(function(){ subsection.removeClass("highlight"); }, 1500);
		},

		//------------------------------------------ Inserting public profile UI elements ------------------------------------------------//
		insertStats: function(){
			if(this.model.noActivity && this.statsView){
				this.statsView.$el.addClass("no-activity");
				this.$("#total-download-wrapper, section.downloads").hide();
				return;
			}

			var username = this.model.get("username"),
				view = this;

			//Insert a couple stats into the profile
			this.listenToOnce(this.statsModel, "change:firstUpload", this.insertFirstUpload);

			this.listenToOnce(this.statsModel, "change:totalCount", function(){
				view.$("#total-upload-container").text(MetacatUI.appView.commaSeparateNumber(view.statsModel.get("totalCount")));
			});

			//Create a base query for the statistics
			var statsSearchModel = this.model.get("searchModel").clone();
			statsSearchModel.set("exclude", [], {silent: true}).set("formatType", [], {silent: true});
			this.statsModel.set("query", statsSearchModel.getQuery());
      this.statsModel.set("isSystemMetadataQuery", true);
			this.statsModel.set("searchModel", statsSearchModel);

			//Create the description for this profile
			var description;

			switch(this.model.get("type")){
				case "node":
					description = "A summary of all datasets from the " + this.model.get("fullName") + " repository";
					break;
				case "group":
					description = "A summary of all datasets from the " + this.model.get("fullName") + " group";
					break;
				case "user":
					description = "A summary of all datasets from " + this.model.get("fullName");
					break;
				default:
					description = "";
					break;
			}

			//Render the Stats View for this person
			this.statsView = new StatsView({
				title: "Statistics and Figures",
				description: description,
				userType: "user",
				el: this.$("#user-stats"),
				model: this.statsModel
			});
			this.subviews.push(this.statsView);
			this.statsView.render();
			if(this.model.noActivity)
				this.statsView.$el.addClass("no-activity");

		},

		/*
		 * Insert the name of the user
		 */
		insertUserInfo: function(){

			//Don't try to insert anything if we haven't gotten all the user info yet
			if(!this.model.get("fullName")) return;

			//Insert the name into this page
			var usernameLink = $(document.createElement("a")).attr("href", MetacatUI.root + "/profile/" + this.model.get("username")).text(this.model.get("fullName"));
			this.$(".insert-fullname").append(usernameLink);

			//Insert the username
			if(this.model.get("type") != "node"){
				if(!this.model.get("usernameReadable")) this.model.createReadableUsername();
				this.$(".insert-username").text(this.model.get("usernameReadable"));
			}
			else{
				$("#username-wrapper").hide();
			}

			//Show or hide ORCID logo
			if(this.model.isOrcid())
				this.$(".show-orcid").show();
			else
				this.$(".show-orcid").hide();

			//Show the email
			if(this.model.get("email")){
				this.$(".email-wrapper").show();
				var parts = this.model.get("email").split("@");
				this.$(".email-container").attr("data-user", parts[0]);
				this.$(".email-container").attr("data-domain", parts[1]);
			}
			else
				this.$(".email-wrapper").hide();

		},

		// Creates an HTML element to display in front of the user identity/subject.
		// Only used for the ORCID logo right now
		createIdPrefix: function(){
			if(this.model.isOrcid())
				return $(document.createElement("img")).attr("src", MetacatUI.root + "/img/orcid_64x64.png").addClass("orcid-logo");
			else
				return "";
		},

		/*
		 * Insert the first year of contribution for this user
		 */
		insertFirstUpload: function(){
			if(this.model.noActivity || !this.statsModel.get("firstUpload")){
				this.$("#first-upload-container, #first-upload-year-container").hide();
				return;
			}

			// Get the first upload or first operational date
			if(this.model.get("type") == "node"){

				//Get the member node object
				var node = _.findWhere(MetacatUI.nodeModel.get("members"), {identifier: "urn:node:" + this.model.get("username") });

				//If there is no memberSince date, then hide this statistic and exit
				if( !node.memberSince ){
					this.$("#first-upload-container, #first-upload-year-container").hide();
					return;
				}
				else{
					var firstUpload = node.memberSince? new Date(node.memberSince.substring(0, node.memberSince.indexOf("T"))) : new Date();
				}

			}
			else{
				var	firstUpload = new Date(this.statsModel.get("firstUpload"));
			}

			// Construct the first upload date sentence
			var	monthNames = [ "January", "February", "March", "April", "May", "June",
				                 "July", "August", "September", "October", "November", "December" ],
				m = monthNames[firstUpload.getUTCMonth()],
				y = firstUpload.getUTCFullYear(),
				d = firstUpload.getUTCDate();

			//For Member Nodes, start all dates at July 2012, the beginning of DataONE
			if(this.model.get("type") == "node"){
				this.$("#first-upload-container").text("DataONE Member Node since " + y);
			}
			else
				this.$("#first-upload-container").text("Contributor since " + m + " " + d + ", " + y);

			//Construct the time-elapsed sentence
			var now = new Date(),
				msElapsed = now - firstUpload,
				years = msElapsed / 31556952000,
				months = msElapsed / 2629746000,
				weeks = msElapsed / 604800000,
				days = msElapsed / 86400000,
				time = "";

			//If one week or less, express in days
			if(weeks <= 1){
				time = (Math.round(days) || 1) + " day";
				if(days > 1.5) time += "s";
			}
			//If one month or less, express in weeks
			else if(months < 1){
				time = (Math.round(weeks) || 1) + " week";
				if(weeks > 1.5) time += "s";
			}
			//If less than 12 months, express in months
			else if(months <= 11.5){
				time = (Math.round(months) || 1) + " month";
				if(months > 1.5) time += "s";
			}
			//If one year or more, express in years and months
			else{
				var yearsOnly = (Math.floor(years) || 1),
					monthsOnly = Math.round(years % 1 * 12);

				if(monthsOnly == 12){
					yearsOnly += 1;
					monthsOnly = 0;
				}

				time = yearsOnly + " year";
				if(yearsOnly > 1) time += "s";

				if(monthsOnly)
					time += ", " + monthsOnly + " month";
				if(monthsOnly > 1) time += "s";
			}

			this.$("#first-upload-year-container").text(time);
		},


		/*
		 * Insert a list of this user's content
		 */
		insertContent: function(){
			if(this.model.noActivity){
				this.$("#data-list").html(this.noResultsTemplate({
					fullName: this.model.get("fullName"),
					username: ((this.model == MetacatUI.appUserModel) && MetacatUI.appUserModel.get("loggedIn"))? this.model.get("username") : null
				}));
				return;
			}

			var view = new DataCatalogView({
				el            : this.$("#data-list")[0],
				searchModel   : this.model.get("searchModel"),
				searchResults : this.model.get("searchResults"),
				mode          : "list",
				isSubView     : true,
				filters       : false
			});
			this.subviews.push(view);
			view.render();
			view.$el.addClass("list-only");
			view.$(".auto-height").removeClass("auto-height").css("height", "auto");
			$("#metacatui-app").removeClass("DataCatalog mapMode");
		},

		/*
		 * When this user has not uploaded any content, render the profile differently
		 */
		noActivity: function(){
			this.model.noActivity = true;
			this.insertContent();
			this.insertFirstUpload();
			this.insertStats();
		},

		//------------------------------------------------ Identities/Accounts -------------------------------------------------------//
			/*
             * Sends a new identity map request and displays notifications about the result
             */
		sendMapRequest: function(e) {
			e.preventDefault();

			//Get the identity entered into the input
			var equivalentIdentity = this.$("#map-request-field").val();
			if (!equivalentIdentity || equivalentIdentity.length < 1) {
				return;
			}
			//Clear the text input
			this.$("#map-request-field").val("");

			//Show notifications after the identity map request is a success or failure
			var viewRef = this,
				success = function(){
					var message = "An account map request has been sent to <a href=" + MetacatUI.root + "'/profile/" + equivalentIdentity + "'>" + equivalentIdentity + "</a>" +
					  "<h4>Next step:</h4><p>Sign In with this other account and approve this request.</p>"
					viewRef.showAlert(message, null, "#request-alert-container");
				},
				error = function(xhr){
					var errorMessage = xhr.responseText;

					if( xhr.responseText.indexOf("Request already issued") > -1 ){
							viewRef.showAlert("<p>You have already sent a request to map this account to " + equivalentIdentity +
							".</p> <h4>Next Step:</h4><p> Sign In with your " + equivalentIdentity + " account and approve the request.</p>",
							'alert-info', "#request-alert-container");
					}
					else{

						//Make a more understandable error message when the account isn't found
						if(xhr.responseText.indexOf("LDAP: error code 32 - No Such Object") > -1){
							xhr.responseText = "The username " + equivalentIdentity + " does not exist in our system."
						}

					viewRef.showAlert(xhr.responseText, 'alert-error', "#request-alert-container");
					}
				};

			//Send it
			this.model.addMap(equivalentIdentity, success, error);
		},

		/*
		 * Removes a confirmed identity map request and displays notifications about the result
		 */
		removeMap: function(e) {
			e.preventDefault();

			var equivalentIdentity = $(e.target).parents("a").attr("data-identity");
			if(!equivalentIdentity) return;

			var viewRef = this,
				success = function(){
					viewRef.showAlert("Success! Your account is no longer associated with the user " + equivalentIdentity, "alert-success", "#identity-alert-container");
				},
				error = function(xhr, textStatus, error){
					viewRef.showAlert("Something went wrong: " + xhr.responseText, 'alert-error', "#identity-alert-container");
				};

			this.model.removeMap(equivalentIdentity, success, error);
		},

		/*
		 * Confirms an identity map request that was initiated from another user, and displays notifications about the result
		 */
		confirmMapRequest: function(e) {
			var model = this.model;

			e.preventDefault();
			var otherUsername = $(e.target).parents("a").attr("data-identity"),
				mapRequestEl = $(e.target).parents(".pending.identity");

			var viewRef = this;

			var success = function(data, textStatus, xhr) {
				viewRef.showAlert("Success! Your account is now linked with the username " + otherUsername, "alert-success", "#pending-alert-container");

				mapRequestEl.remove();
			}
			var error = function(xhr, textStatus, error) {
				viewRef.showAlert(xhr.responseText, 'alert-error', "#pending-alert-container");
			}

			//Confirm this map request
			this.model.confirmMapRequest(otherUsername, success, error);
		},

		/*
		 * Rejects an identity map request that was initiated by another user, and displays notifications about the result
		 */
		rejectMapRequest: function(e) {
			e.preventDefault();

			var equivalentIdentity = $(e.target).parents("a").attr("data-identity"),
				mapRequestEl = $(e.target).parents(".pending.identity");

			if(!equivalentIdentity) return;

			var viewRef = this,
				success = function(data){
					viewRef.showAlert("Removed mapping request for " + equivalentIdentity, "alert-success", "#pending-alert-container");
					$(mapRequestEl).remove();
				},
				error = function(xhr, textStatus, error){
					viewRef.showAlert(xhr.responseText, 'alert-error', "#pending-alert-container");
				};

			this.model.denyMapRequest(equivalentIdentity, success, error);
		},

		insertIdentityList: function(){
			var identities = this.model.get("identities");

			//Remove the equivalentIdentities list if it was drawn already so we don't do it twice
			this.$("#identity-list-container").empty();

			if(!identities) return;

			//Create the list element
			if(identities.length < 1){
				var identityList = $(document.createElement("p")).text("You haven't linked to another account yet. Send a request below.");
			}
			else
				var identityList = $(document.createElement("ul")).addClass("list-identity").attr("id", "identity-list");

			var view = this;
			//Create a list item for each identity
			_.each(identities, function(identity, i){
				var listItem = view.createUserListItem(identity, { confirmed: true });

				//When/if the info from the equivalent identities is retrieved, update the item
				view.listenToOnce(identity, "change:fullName", function(identity){
					var newListItem = view.createUserListItem(identity, {confirmed: true});
					listItem.replaceWith(newListItem);
				});

				$(identityList).append(listItem);
			});

			//Add to the page
			//$(identityList).find(".collapsed").hide();
			this.$("#identity-list-container").append(identityList);
		},

		insertPendingList: function(){
			var pending = this.model.get("pending");

			//Remove the equivalentIdentities list if it was drawn already so we don't do it twice
			this.$("#pending-list-container").empty();

			//Create the list element
			if (pending.length < 1){
				this.$("[data-subsection='pending-accounts']").hide();
				return;
			}
			else{
				this.$("[data-subsection='pending-accounts']").show();
				this.$("#pending-list-container").prepend($(document.createElement("p")).text("You have " + pending.length + " new request to map accounts. If these requests are from you, accept them below. If you do not recognize a username, reject the request."));
				var pendingList = $(document.createElement("ul")).addClass("list-identity").attr("id", "pending-list");
				var pendingCount = $(document.createElement("span")).addClass("badge").attr("id", "pending-count").text(pending.length);
				this.$("#pending-list-heading").append(pendingCount);
			}

			//Create a list item for each pending id
			var view = this;
			_.each(pending, function(pendingUser, i){
				var listItem = view.createUserListItem(pendingUser, {pending: true});
				$(pendingList).append(listItem);

				if(pendingUser.isOrcid()){
					view.listenToOnce(pendingUser, "change:fullName", function(pendingUser){
						var newListItem = view.createUserListItem(pendingUser, {pending: true});
						listItem.replaceWith(newListItem);
					});
				}
			});

			//Add to the page
			this.$("#pending-list-container").append(pendingList);
		},

		createUserListItem: function(user, options){
			var pending = false,
				confirmed = false;

			if(options && options.pending)
				pending = true;
			if(options && options.confirmed)
				confirmed = true;

			var username = user.get("username"),
			    fullName = user.get("fullName") || username;

			var listItem = $(document.createElement("li")).addClass("list-group-item identity"),
				link     = $(document.createElement("a")).attr("href", MetacatUI.root + "/profile/" + username).attr("data-identity", username).text(fullName),
				details  = $(document.createElement("span")).addClass("subtle details").text(username);

			listItem.append(link, details);

			if(pending){
				var acceptIcon = $(document.createElement("i")).addClass("icon icon-ok icon-large icon-positive tooltip-this").attr("data-title", "Accept Request").attr("data-trigger", "hover").attr("data-placement", "top"),
					rejectIcon = $(document.createElement("i")).addClass("icon icon-remove icon-large icon-negative tooltip-this").attr("data-title", "Reject Request").attr("data-trigger", "hover").attr("data-placement", "top"),
					confirm = $(document.createElement("a")).attr("href", "#").addClass('confirm-request-btn').attr("data-identity", username).append(acceptIcon),
					reject = $(document.createElement("a")).attr("href", "#").addClass("reject-request-btn").attr("data-identity", username).append(rejectIcon);

				listItem.prepend(confirm, reject).addClass("pending");
			}
			else if(confirmed){
				var removeIcon = $(document.createElement("i")).addClass("icon icon-remove icon-large icon-negative"),
					remove = $(document.createElement("a")).attr("href", "#").addClass("remove-identity-btn").attr("data-identity", username).append(removeIcon);
				$(remove).tooltip({
					trigger: "hover",
					placement: "top",
					title: "Remove equivalent account"
				});
				listItem.prepend(remove.append(removeIcon));
			}

			if(user.isOrcid()){
				details.prepend(this.createIdPrefix(), " ORCID: ");
			}
			else
				details.prepend(" Username: ");

			return listItem;
		},

		updateModForm: function() {
			this.$("#mod-givenName").val(this.model.get("firstName"));
			this.$("#mod-familyName").val(this.model.get("lastName"));
			this.$("#mod-email").val(this.model.get("email"));

			if(!this.model.get("email")){
				this.$("#mod-email").parent(".form-group").addClass("has-warning");
				this.$("#mod-email").parent(".form-group").find(".help-block").text("Please provide an email address.");
			}
			else{
				this.$("#mod-email").parent(".form-group").removeClass("has-warning");
				this.$("#mod-email").parent(".form-group").find(".help-block").text("");
			}

			if (this.model.get("registered")) {
				this.$("#registered-user-container").show();
			} else {
				this.$("#registered-user-container").hide();
			}
		},

		/*
		 * Gets the user account settings, updates the UserModel and saves this new info to the server
		 */
		saveUser: function(e) {

			e.preventDefault();

			var view = this,
				container = this.$('[data-subsection="edit-account"] .content') || $(e.target).parent();

			var success = function(data){
				$(container).find(".loading").detach();
				$(container).children().show();
				view.showAlert("Success! Your profile has been updated.", 'alert-success', container);
			}
			var error = function(data){
				$(container).find(".loading").detach();
				$(container).children().show();
				var msg = (data && data.responseText) ? data.responseText : "Sorry, updating your profile failed. Please try again.";
				if(!data.responseText)
					view.showAlert(msg, 'alert-error', container);
			}

			//Get info entered into form
			var givenName = this.$("#mod-givenName").val();
			var familyName = this.$("#mod-familyName").val();
			var email = this.$("#mod-email").val();

			//Update the model
			this.model.set("firstName", givenName);
			this.model.set("lastName", familyName);
			this.model.set("email", email);

			//Loading icon
			$(container).children().hide();
			$(container).prepend(this.loadingTemplate());

			//Send the update
			this.model.update(success, error);

		},

		//---------------------------------- Token -----------------------------------------//
		getToken: function(){
			var model = this.model;

			//Show loading sign
			this.$("#token-generator-container").html(this.loadingTemplate());

			//When the token is retrieved, then show it
			this.listenToOnce(this.model, "change:token", this.showToken);

			//Get the token from the CN
			this.model.getToken(function(data, textStatus, xhr){
				model.getTokenExpiration();
				model.set("token", data);
				model.trigger("change:token");
			});
		},

		showToken: function(){
			var token = this.model.get("token");

			if(!token || !this.model.get("loggedIn"))
				return;

			var expires    = this.model.get("expires"),
				rTokenName = (MetacatUI.appModel.get("d1CNBaseUrl").indexOf("cn.dataone.org") > -1)? "dataone_token" : "dataone_test_token",
				rToken = 'options(' + rTokenName +' = "' + token + '")',
				matlabToken = "import org.dataone.client.run.RunManager; mgr = RunManager.getInstance(); mgr.configuration.authentication_token = '" + token + "';",
				tokenInput = $(document.createElement("textarea")).attr("type", "text").attr("rows", "5").addClass("token copy").text(token),
				copyButton = $(document.createElement("a")).addClass("btn btn-primary copy").text("Copy").attr("data-clipboard-text", token),
				copyRButton = $(document.createElement("a")).addClass("btn btn-primary copy").text("Copy").attr("data-clipboard-text", rToken),
				copyMatlabButton = $(document.createElement("a")).addClass("btn btn-primary copy").text("Copy").attr("data-clipboard-text", matlabToken),
				successIcon = $(document.createElement("i")).addClass("icon icon-ok"),
		  		copySuccess = $(document.createElement("div")).addClass("notification success copy-success hidden").append(successIcon, " Copied!"),
		  		expirationMsg = expires? "<strong>Note:</strong> Your authentication token expires on " + expires.toLocaleDateString() + " at " + expires.toLocaleTimeString() : "",
		  		usernameMsg = "<div class='footnote'>Your user identity: ",
		  		usernamePrefix = this.createIdPrefix(),
		  		tabs = $(document.createElement("ul")).addClass("nav nav-tabs")
		  				.append($(document.createElement("li")).addClass("active")
		  						.append( $(document.createElement("a")).attr("href", "#token-code-panel").addClass("token-tab").text("Token") ))
		  				.append($(document.createElement("li"))
		  						.append( $(document.createElement("a")).attr("href", "#r-token-code-panel").addClass("token-tab").text("Token for DataONE R") ))
		  				.append($(document.createElement("li"))
		  						.append( $(document.createElement("a")).attr("href", "#matlab-token-code-panel").addClass("token-tab").text("Token for Matlab DataONE Toolbox") )),
		  		tokenRInput = $(document.createElement("textarea")).attr("type", "text").attr("rows", "5").addClass("token copy").text(rToken),
		  		tokenRText = $(document.createElement("p")).text("Copy this code snippet to use your token with the DataONE R package."),
		  		tokenMatlabInput = $(document.createElement("textarea")).attr("type", "text").attr("rows", "5").addClass("token copy").text(matlabToken),
		  		tokenMatlabText = $(document.createElement("p")).text("Copy this code snippet to use your token with the Matlab DataONE toolbox."),
		  		tokenInputContain = $(document.createElement("div")).attr("id", "token-code-panel").addClass("tab-panel active").append(tokenInput, copyButton, copySuccess),
		  		rTokenInputContain = $(document.createElement("div")).attr("id", "r-token-code-panel").addClass("tab-panel").append(tokenRText, 	tokenRInput, copyRButton, copySuccess.clone()).addClass("hidden"),
		  		matlabTokenInputContain = $(document.createElement("div")).attr("id", "matlab-token-code-panel").addClass("tab-panel").append(tokenMatlabText, 	tokenMatlabInput, copyMatlabButton, copySuccess.clone()).addClass("hidden");

			if(typeof usernamePrefix == "object")
				usernameMsg += usernamePrefix[0].outerHTML;
			else if(typeof usernamePrefix == "string")
				usernameMsg += usernamePrefix;

			usernameMsg += this.model.get("username") + "</div>";

			var	successMessage = $.parseHTML(this.alertTemplate({
					msg: 'Copy your authentication token: <br/> ' + expirationMsg + usernameMsg,
					classes: "alert-success",
					containerClasses: "well"
				}));
			$(successMessage).append(tabs, tokenInputContain, rTokenInputContain, matlabTokenInputContain);
			this.$("#token-generator-container").html(successMessage);

			$(".token-tab").tab();

			//Create clickable "Copy" buttons to copy text (e.g. token) to the user's clipboard
			var clipboard = new Clipboard(".copy");

				clipboard.on("success", function(e){
				$(".copy-success").show().delay(3000).fadeOut();
				});

				clipboard.on("error", function(e){
					var textarea = $(e.trigger).parent().children("textarea.token");
					textarea.trigger("focus");
					textarea.tooltip({
						title: "Press Ctrl+c to copy",
						placement: "bottom"
					});
					textarea.tooltip("show");

				});
		},

		setUpAutocomplete: function() {
			var input = this.$(".account-autocomplete");
			if(!input || !input.length) return;

			// look up registered identities
			$(input).hoverAutocomplete({
				source: function (request, response) {
		            var term = $.ui.autocomplete.escapeRegex(request.term);

		            var list = [];

		            //Ids/Usernames that we want to ignore in the autocompelte
		            var ignoreEquivIds = ($(this.element).attr("id") == "map-request-field"),
		            	ignoreIds = ignoreEquivIds? MetacatUI.appUserModel.get("identitiesUsernames") : [];
		            ignoreIds.push(MetacatUI.appUserModel.get("username").toLowerCase());

		            var url = MetacatUI.appModel.get("accountsUrl") + "?query=" + encodeURIComponent(term);
					var requestSettings = {
						url: url,
						success: function(data, textStatus, xhr) {
							_.each($(data).find("person"), function(person, i){
								var item = {};
								item.value = $(person).find("subject").text();

								//Don't display yourself in the autocomplete dropdown (prevents users from adding themselves as an equivalent identity or group member)
								//Also don't display your equivalent identities in the autocomplete
								if(_.contains(ignoreIds, item.value.toLowerCase())) return;

								item.label = $(person).find("fullName").text() || ($(person).find("givenName").text() + " " + $(person).find("familyName").text());
								list.push(item);
							});

				            response(list);

						}
					}
					$.ajax(_.extend(requestSettings, MetacatUI.appUserModel.createAjaxSettings()));

					//Send an ORCID search when the search string gets long enough
					if(request.term.length > 3)
						MetacatUI.appLookupModel.orcidSearch(request, response, false, ignoreIds);
		        },
				select: function(e, ui) {
					e.preventDefault();

					// set the text field
					$(e.target).val(ui.item.value);
					$(e.target).parents("form").find("input[name='fullName']").val(ui.item.label);
				},
				position: {
					my: "left top",
					at: "left bottom",
					collision: "none"
				}
			});

		},

    /**
    * Renders a list of portals that this user is an owner of.
    */
    renderMyPortals: function(){

      //If my portals has been disabled, don't render the list
      if( MetacatUI.appModel.get("showMyPortals") === false ){
        return;
      }

      var view = this;

      //If Bookkeeper services are enabled, render the Portals via a PortalUsagesView,
      // which queries Bookkeeper for portal Usages
      if( MetacatUI.appModel.get("enableBookkeeperServices") ){
        require(['views/portals/PortalUsagesView'], function(PortalUsagesView){
          var portalListView = new PortalUsagesView();
          //Render the Portal list view and insert it in the page
          portalListView.render();
          view.$(view.portalListContainer)
              .html(portalListView.el);
        });
      }
      //If Bookkeeper services are disabled, render the Portals via a PortalListView,
      // which queries Solr for portal docs
      else{
        require(['views/portals/PortalListView'], function(PortalListView){
          //Create a PortalListView
          var portalListView = new PortalListView();
          //Render the Portal list view and insert it in the page
          portalListView.render();
          view.$(view.portalListContainer)
              .html(portalListView.el);
        });
      }

    },

		//---------------------------------- Misc. and Utilities -----------------------------------------//

		showAlert: function(msg, classes, container) {
			if(!classes)
				var classes = 'alert-success';
			if(!container || !$(container).length)
				var container = this.$el;

			//Remove any alerts that are already in this container
			if($(container).children(".alert-container").length > 0)
				$(container).children(".alert-container").remove();

			$(container).prepend(
					this.alertTemplate({
						msg: msg,
						classes: classes
					})
			);
		},

		switchTabs: function(e){
			e.preventDefault();
			$(e.target).tab('show');
			this.$(".tab-panel").hide();
			this.$(".tab-panel" + $(e.target).attr("href")).show();
			this.$("#token-generator-container .copy-button").attr("data-clipboard-text")

		},

		preventSubmit: function(e){
			if(e.keyCode != 13) return;

			e.preventDefault();
		},

		onClose: function () {
			//Clear the template
			this.$el.html("");

			//Reset the active section and subsection
			this.activeSection = "profile";
			this.activeSubSection = "";

      //Reset the model
      if( this.model ){
			  this.model.noActivity = null;
        this.stopListening(this.model);
      }

			//Remove saved elements
			this.$profile = null;

			//Stop listening to changes in models
			this.stopListening(this.statsModel);
			this.stopListening(MetacatUI.appUserModel);

			//Close the subviews
			_.each(this.subviews, function(view){
				view.onClose();
			});
			this.subviews = new Array();
		}

	});

	return UserView;
});