define(function() {
	var Users = {};

	Users.init = function() {
		var yourid = templates.get('yourid');

		function isUserAdmin(element) {
			var parent = $(element).parents('.users-box');
			return (parent.attr('data-admin') !== "0");
		}

		function isUserBanned(element) {
			var parent = $(element).parents('.users-box');
			return (parent.attr('data-banned') !== "" && parent.attr('data-banned') !== "0");
		}

		function getUID(element) {
			var parent = $(element).parents('.users-box');
			return parent.attr('data-uid');
		}

		function updateUserButtons() {
			jQuery('.ban-btn').each(function(index, element) {
				var banBtn = $(element);
				var uid = getUID(banBtn);
				if (isUserAdmin(banBtn) || uid === yourid)
					banBtn.addClass('disabled');
				else if (isUserBanned(banBtn))
					banBtn.addClass('btn-warning');
				else
					banBtn.removeClass('btn-warning');

			});
		}

		function initUsers() {

			updateUserButtons();

			$('#users-container').on('click', '.ban-btn', function() {
				var banBtn = $(this);
				var isAdmin = isUserAdmin(banBtn);
				var isBanned = isUserBanned(banBtn);
				var parent = banBtn.parents('.users-box');
				var uid = getUID(banBtn);

				if (!isAdmin) {
					if (isBanned) {
						socket.emit('api:admin.user.unbanUser', uid);
						banBtn.removeClass('btn-warning');
						parent.attr('data-banned', 0);
					} else {
						bootbox.confirm('Do you really want to ban "' + parent.attr('data-username') + '"?', function(confirm) {
							if (confirm) {
								socket.emit('api:admin.user.banUser', uid);
								banBtn.addClass('btn-warning');
								parent.attr('data-banned', 1);
							}
						});
					}
				}

				return false;
			});
		}


		jQuery('document').ready(function() {

			var timeoutId = 0,
				loadingMoreUsers = false;

			var url = window.location.href,
				parts = url.split('/'),
				active = parts[parts.length - 1];

			jQuery('.nav-pills li').removeClass('active');
			jQuery('.nav-pills li a').each(function() {
				if (this.getAttribute('href').match(active)) {
					jQuery(this.parentNode).addClass('active');
					return false;
				}
			});

			jQuery('#search-user').on('keyup', function() {
				if (timeoutId !== 0) {
					clearTimeout(timeoutId);
					timeoutId = 0;
				}

				timeoutId = setTimeout(function() {
					var username = $('#search-user').val();

					jQuery('.fa-spinner').removeClass('none');
					socket.emit('api:admin.user.search', username);

				}, 250);
			});

			initUsers();

			socket.removeAllListeners('api:admin.user.search');

			socket.on('api:admin.user.search', function(data) {
				var html = templates.prepare(templates['admin/users'].blocks['users']).parse({
					users: data
				}),
					userListEl = document.querySelector('.users');

				userListEl.innerHTML = html;
				jQuery('.fa-spinner').addClass('none');

				if (data && data.length === 0) {
					$('#user-notfound-notify').html('User not found!')
						.show()
						.addClass('label-danger')
						.removeClass('label-success');
				} else {
					$('#user-notfound-notify').html(data.length + ' user' + (data.length > 1 ? 's' : '') + ' found!')
						.show()
						.addClass('label-success')
						.removeClass('label-danger');
				}

				initUsers();
			});

			function onUsersLoaded(users) {
				var html = templates.prepare(templates['admin/users'].blocks['users']).parse({
					users: users
				});
				$('#users-container').append(html);
				updateUserButtons();
			}

			function loadMoreUsers() {
				var set = '';
				if (active === 'latest') {
					set = 'users:joindate';
				} else if (active === 'sort-posts') {
					set = 'users:postcount';
				} else if (active === 'sort-reputation') {
					set = 'users:reputation';
				}

				if (set) {
					loadingMoreUsers = true;
					socket.emit('api:users.loadMore', {
						set: set,
						after: $('#users-container').children().length
					}, function(data) {
						if (data.users.length) {
							onUsersLoaded(data.users);
						}
						loadingMoreUsers = false;
					});
				}
			}

			$('#load-more-users-btn').on('click', loadMoreUsers);

			$(window).off('scroll').on('scroll', function() {
				var bottom = ($(document).height() - $(window).height()) * 0.9;

				if ($(window).scrollTop() > bottom && !loadingMoreUsers) {
					loadMoreUsers();
				}
			});

		});
	};

	return Users;
});