'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 Watson Analytics (C) Copyright IBM Corp. 2018, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 */
define(['../../dataSources/utils/DatasourceUtil', 'underscore', '../../widgets/livewidget/nls/StringResources', '../../util/ContentUtil', '../../lib/@waca/dashboard-common/dist/utils/ContentUtil'], function (DatasourceUtil, _, StringResources, ContentUtil, ContentUtilCommon) {

	var paramProperties = ['name', 'modelFilterItem', 'type', 'capabilities'];

	var REPORT = 'report';

	var DrillThroughMappingManager = function () {

		/**
   * @param {object} dashboardApi - Dashboard API
   * @param {object} drillService - drill service
   */
		function DrillThroughMappingManager(dashboardApi, drillService) {
			_classCallCheck(this, DrillThroughMappingManager);

			this.dashboard = dashboardApi;
			this.drillService = drillService;
		}

		/**
   * @param storeId -  The cm store id of the target report
   */


		DrillThroughMappingManager.prototype.getParameters = function getParameters(storeId) {
			var _this = this;

			return this.dashboard.getGlassSvc('.DrillInfoService').then(function (drillInfoService) {
				var attrs = {
					type: REPORT,
					storeId: storeId
				};

				return drillInfoService.getParameters(attrs).then(function (response) {
					var parameters = response.parameters || [];
					var result = [];
					_.each(parameters, function (parameter) {
						result.push(_.pick(parameter, paramProperties));
					});
					return result;
				}).catch(function (e) {
					_this.dashboard.getGlassCoreSvc('.Logger').error('Could not get prompt information from the selected report.', e);
					_this.dashboard.showErrorMessage(StringResources.get('drillThroughDefinitionErrorQueryingReport'), StringResources.get('drillThroughDefinitionErrorDlgTitle'));
				});
			});
		};

		/**
   * function to map drill target parameters to current dashboard metadata, also returns the metadata
   * columns within the current context, i.e. same data asset and scope (tab) as the definitionContent.
   * @param {string} storeId - The cm store id of the target report
   * @param {object} definitionContent - the content that the drill through definition is based on.
   * @param {string} mappings - The existing mappings from a drill definition entry.
   */


		DrillThroughMappingManager.prototype.doMapping = function doMapping(storeId, definitionContent, mappings) {
			var _this2 = this;

			return this.getParameters(storeId).then(function (parameters) {
				if (!parameters.length) {
					return Promise.resolve();
				}
				var datasourceAPI = definitionContent.getFeature('Visualization').getDataSource();
				return datasourceAPI.getModule().then(function (module) {
					return _this2._mapToMetadata(parameters, definitionContent, mappings, module);
				});
			});
		};

		/**
   * @param {object} parameters - parameters in the target
   * @param {object} definitionContent - the content that the drill through definition is based on.
   * @param {string} mappings - The existing mappings from a drill definition entry.
   * @param {object} module - module api
   */


		DrillThroughMappingManager.prototype._mapToMetadata = function _mapToMetadata(parameters, definitionContent, mappings, module) {
			var metadataColumnIds = this.getMetadataIds(definitionContent, module);
			var mapToColumnIds = []; // columns exist in drill entry mappings, but not in the current content context
			parameters.forEach(function (parameter) {
				// If saved mappings is passed in, propagate the mapTo to the parameter and do not remap from the current
				// content context
				if (mappings) {
					var mappedParameter = _.find(mappings, function (mapping) {
						return mapping.modelFilterItem === parameter.modelFilterItem && mapping.name === parameter.name;
					});
					if (mappedParameter && mappedParameter.mapTo) {
						parameter.mapTo = mappedParameter.mapTo;
						if (metadataColumnIds.indexOf(mappedParameter.mapTo) === -1) {
							mapToColumnIds.push(mappedParameter.mapTo);
						}
					}
				} else {
					// New definition: map the parameter to the current content context
					parameter.mapTo = _.find(metadataColumnIds, function (columnId) {
						return parameter.modelFilterItem === columnId;
					});
				}
			});

			return {
				parameterMappings: parameters,
				columnLabels: this._getColumnLabels(definitionContent, metadataColumnIds.concat(mapToColumnIds))
			};
		};

		DrillThroughMappingManager.prototype._getColumnLabels = function _getColumnLabels(definitionContent, metadataColumnIds) {
			// Collect the column names based on the metadataIds
			var columnLabels = [];
			var visualization = definitionContent.getFeature('Visualization');
			var dataSource = visualization.getDataSource();
			metadataColumnIds.forEach(function (columnId) {
				var metadataColumn = !DatasourceUtil.isMultiMeasuresSeriesOrValue(columnId) ? dataSource.getMetadataColumn(columnId) : null;
				if (metadataColumn) {
					columnLabels.push({
						columnId: columnId,
						label: metadataColumn.getLabel()
					});
				}
			});
			return _.sortBy(columnLabels, 'label');
		};

		/**
   * @returns data item ids of the corresponding context, i.e. same data asset and scope
   * from dashboard model
   */


		DrillThroughMappingManager.prototype.getMetadataIds = function getMetadataIds(definitionContent, module) {
			var _this3 = this;

			var metadataIds = [];
			var visualization = definitionContent.getFeature('Visualization');
			var dataSource = visualization.getDataSource();
			// Collect metadata from content
			var eventGroups = this.dashboard.getFeature('EventGroups');
			if (eventGroups) {
				var groupId = eventGroups.getGroupId(definitionContent.getId());
				var contentList = eventGroups.getContentIdList(groupId);
				contentList.forEach(function (contentId) {
					metadataIds.push.apply(metadataIds, _this3._collectWidgetMetadata(contentId, dataSource.getId()));
				});
			}

			// Collect metadata from localFilters of the visualization
			this._collectLocalFilterMetadata(visualization, metadataIds);

			// Collect metadata from pageContext of the definitionContent scope
			this._collectPageContextMetadata(definitionContent, metadataIds, visualization, 'visualization', module);
			this._collectPageContextMetadata(definitionContent, metadataIds, visualization, 'filter', module);
			return _.uniq(metadataIds);
		};

		DrillThroughMappingManager.prototype._collectWidgetMetadata = function _collectWidgetMetadata(contentId, sourceId) {
			var content = this.dashboard.getCanvas().getContent(contentId);
			var metadataIds = [];
			//we should exclude the content where visualization does not exist
			var visualization = content.getFeature('Visualization');
			if (visualization) {
				var dataSource = visualization.getDataSource();
				if (!dataSource || dataSource.getId() !== sourceId) {
					return metadataIds;
				}

				var slots = visualization.getSlots();
				slots.getDataItemList().forEach(function (dataItem) {
					var metadataColumn = dataItem.getMetadataColumn();
					if (metadataColumn) {
						metadataIds.push(metadataColumn.getId());
					}
				});
			}
			return metadataIds;
		};

		DrillThroughMappingManager.prototype._collectLocalFilterMetadata = function _collectLocalFilterMetadata(visualization, metadataIds) {
			var localFilters = visualization.getLocalFilters().getFilterList();

			// Collect metadata from local filters.
			localFilters.forEach(function (filter) {
				metadataIds.push(filter.columnId);
			});
		};

		DrillThroughMappingManager.prototype._collectPageContextMetadata = function _collectPageContextMetadata(definitionContent, metadataIds, visualization, origin, module) {
			//@todo: Endor add support for multiple data sources
			var type = this.dashboard.getAppConfig('pageContainerType');
			var pageContent = ContentUtilCommon.getPageContent(definitionContent, type);
			var pageContext = ContentUtil.getPageContext(this.dashboard);
			var dataSource = visualization.getDataSource();
			var pageContextItems = pageContext.getNetPageContextItems({
				scope: pageContent && pageContent.getId(),
				sourceId: dataSource.getId(),
				origin: origin
			});
			if (!pageContextItems.length) {
				return;
			}

			if (origin === 'filter') {
				pageContextItems = DrillThroughMappingManager.getNetSynchronizedFilterPageContext(visualization, definitionContent, pageContextItems, module);
			}

			pageContextItems.forEach(function (contextItem) {
				metadataIds.push(contextItem.getItemId());
			});
		};

		/**
  * Returns an array of net synchronized filter page context
  *
  * @param {object} visualization - the content visualization
  * @param {object} ownerContent - the livewidget instance
  * @param {object} filterPageContextItems - the page context filter items
  * @param {object} module - module api
  *
  * @return {array} merged synchronized and filter net page context array
  */


		DrillThroughMappingManager.getNetSynchronizedFilterPageContext = function getNetSynchronizedFilterPageContext(visualization, ownerContent, filterPageContextItems, module) {
			var dataSource = visualization.getDataSource();
			if (dataSource.getType() === 'package') {
				return filterPageContextItems;
			}
			var mappedSlots = visualization.getSlots().getMappedSlotList();
			var tableRef = [];
			mappedSlots.forEach(function (mappedSlot) {
				var dataItems = mappedSlot.getDataItemList();
				dataItems.forEach(function (dataItem) {
					tableRef.push(dataItem.getMetadataColumn().getTableName());
				});
			});
			filterPageContextItems = filterPageContextItems.filter(function (pageContextItem) {
				var paggeContextTableRef = DatasourceUtil.getPageContextItemTableRef(dataSource, pageContextItem.getPageContextSpec());
				return DatasourceUtil.haveTableJoinsInSameDataSource(module, paggeContextTableRef, tableRef);
				//return  dataSource.hasJoinedTables(paggeContextTableRef, tableRef);
			});

			// TODO: last widget reference in JumpTo to be removed
			var widget = ownerContent.getFeature('WidgetAPI.deprecated').getVisApi().ownerWidget;
			return DatasourceUtil.mergeSynchronizePageContextFilter(filterPageContextItems, widget.getSynchDataFilterEntries());
		};

		return DrillThroughMappingManager;
	}();

	return DrillThroughMappingManager;
});
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