'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2015, 2017
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['jquery', 'underscore', '../../lib/@waca/dashboard-common/dist/ui/SearchableListView', '../../lib/@waca/core-client/js/core-client/i18n/Formatter'], function ($, _, BaseListView, Formatter) {

	var aORDER = ['no', 'asc', 'desc'];
	var View = null;

	/**
  * Extends base list view to provide search functionality within the list view.
  * If you extend this class you should implement the following methods
  * @see _getSearchableItems
  * @see _getSearchableFieldValue
  */
	View = BaseListView.extend({
		onSortClick: function onSortClick(event) {
			var $parent = $(event.target.parentElement);

			this.sortStateKey = $parent.data('role');
			var order = $parent.data('options').sort;

			this.sortStateOrder = this._getSortOrder(order);

			this._resetSortIcons();
			this._updateSortIcon($parent.find('.sortingIcon'), this.sortStateOrder);

			var sSearchInput = this._getSearchInputText();
			if (sSearchInput) {
				this.searchData(sSearchInput);
			} else {
				this._renderResultListItems(this._getSearchableItems());
			}
		},

		/**
   * Overridden method to provide a list of items that are searchable for this view
   */
		_getSearchableItems: function _getSearchableItems() {
			return this._listitems.slice();
		},

		/**
   * Overridden method to sort
   */
		_sortListItems: function _sortListItems(sortedItems) {
			var key = this.sortStateKey;
			var order = this.sortStateOrder;
			if (order === 'no') {
				return sortedItems;
			}

			sortedItems.sort(function (a, b) {
				var aValue = a[key].toLowerCase();
				var bValue = b[key].toLowerCase();
				return aValue < bValue ? -1 : aValue > bValue ? 1 : 0;
			});

			if (order === 'desc') {
				sortedItems.reverse();
			}

			return sortedItems;
		},

		_getSortOrder: function _getSortOrder(order) {
			var orderIndex = aORDER.indexOf(order);
			var sortOrderIndex = orderIndex + 1;
			if (sortOrderIndex === aORDER.length) {
				sortOrderIndex = 0;
			}

			return aORDER[sortOrderIndex];
		},

		prepareListItem: function prepareListItem(item) {
			var sDateTime = item['last-modified'] || item.lastModifiedDate;
			if (sDateTime) {
				var lastModifiedDateString = Formatter.formatDateTime(sDateTime, {
					type: 'date',
					formatLength: 'medium'
				});
				item.lastModified = lastModifiedDateString;
			}
			return item;
		},

		_resetSortIcons: function _resetSortIcons() {
			var sortIconHeaders = this.$el.find('.sortingIcon').removeClass().addClass('sortingIcon wfg_sorted_no');

			_.each(sortIconHeaders, function (header) {
				$(header).parent().data('options').sort = 'no';
			}.bind(this));
		},

		_updateSortIcon: function _updateSortIcon(target, sortOrder) {
			var $target = $(target);
			$target.removeClass('wfg_sorted_no').addClass('wfg_sorted_' + sortOrder);
			$target.parent().data('options').sort = sortOrder;
		}

	});
	return View;
});
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