'use strict';

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: Dashboard
 *| (C) Copyright IBM Corp. 2018
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */
define(['../../../apiHelpers/SlotAPIHelper', '../../../visualizations/recommender/IRUtils'], function (SlotAPIHelper, IRUtils) {
	'use strict';

	return function () {
		function Utils() {
			_classCallCheck(this, Utils);
		}

		// translation of top bottom spec into IR. TODO: use a common utility
		Utils.translateTopBottom2IR = function translateTopBottom2IR(tbEntry) {
			var entry = {};
			entry.filterId = tbEntry.id;
			entry.columnId = tbEntry.itemId;
			entry.topBottomType = IRUtils.IRTopBottomType(tbEntry.selection.topBottom.type);
			entry.method = IRUtils.IRTopBottomMethod(tbEntry.selection.topBottom.type);
			entry.domainSize = tbEntry.selection.topBottom.value;
			if (tbEntry.selection.topBottom.context) {
				entry.byColumn = tbEntry.selection.topBottom.context.itemId;
			}
			entry.type = 'TOP_BOTTOM';
			return entry;
		};

		Utils.getTopBottomItems = function getTopBottomItems(visualization) {
			var mappedSlots = visualization.getSlots().getMappedSlotList();
			if (!mappedSlots || !mappedSlots.length) {
				return;
			}

			var topBottomItems = [];

			// ignore hidden slots which are not considered as part of mappings
			// e.g. 'rank' slot of grid, 'size' slot of scatter
			mappedSlots.filter(function (slot) {
				return slot && !slot.getDefinition().isHidden();
			}).forEach(function (mappedSlot) {
				var dataItemAPIs = Utils.filterInvalidDataItems(mappedSlot.getDataItemList());

				dataItemAPIs.forEach(function (dataItemAPI) {
					var topBottomSpec = dataItemAPI.getTopBottom();
					// Ignore all the non contextual top bottom modifiers
					// smarts only understand top bottom with context
					if (topBottomSpec && topBottomSpec.context) {
						var translatedSpec = Utils.translateTopBottom2IR({
							id: dataItemAPI.getId(),
							itemId: dataItemAPI.getColumnId(),
							selection: {
								topBottom: topBottomSpec
							}
						});
						topBottomItems.push(translatedSpec);
					}
				});
			});
			return topBottomItems;
		};

		Utils.getUnboundColumnsIds = function getUnboundColumnsIds(visualization) {
			return Utils.filterInvalidDataItems(visualization.getSlots().getDataItemList()).map(function (dataItem) {
				return dataItem.getColumnId();
			});
		};

		Utils.filterInvalidDataItems = function filterInvalidDataItems(list) {
			return list.filter(function (dataItem) {
				return !SlotAPIHelper.isMultiMeasuresSeriesOrValueDataItem(dataItem) && !dataItem.isColumnUnavailable();
			});
		};

		Utils.getFilterItems = function getFilterItems(visualization) {
			var result = [];
			IRUtils.localFilters2IRFilters(visualization.getLocalFilters().getFilterList(), result);
			return result;
		};

		return Utils;
	}();
});
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