'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Watson Analytics (C) Copyright IBM Corp. 2018
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *
 */
define(['../../../lib/@waca/core-client/js/core-client/ui/core/View', '../../../lib/@waca/core-client/js/core-client/utils/ContentFormatter', '../../../lib/@waca/core-client/js/core-client/ui/dialogs/ConfirmationDialog', 'doT', 'underscore', 'jquery', 'text!../../templates/DrillThroughManage.html', '../../../widgets/livewidget/nls/StringResources'], function (View, ContentFormatter, ConfirmationDialog, doT, _, $, Template, StringResources) {

	//@todo: Endor add support for multiple data sources
	var _validSourceId = function _validSourceId(sources, id) {
		if (_.isArray(sources)) {
			for (var index = 0; index < sources.length; index++) {
				if (sources[index] === id) {
					return true;
				}
			}
		}

		return false;
	};

	/**
 * Creates a view UI for the manage drill through dialog
 */
	var DrillThroughManageView = View.extend({
		templateString: Template,
		events: {
			'primaryaction .edit': '_onEdit',
			'primaryaction .delete': '_onDelete',
			'primaryaction .visDT-ManageView-add': '_onAddNewTarget'
		},

		init: function init(options) {
			DrillThroughManageView.inherited('init', this, arguments);
			options = options || {};
			this.handlers = options.handlers;
			if (!this.handlers) {
				throw new Error('Handlers must be provided to manage drill through definitions');
			}
			this.content = options.content;
			this.dashboard = options.dashboard;
			this.drillThroughModelApi = options.drillThroughModelApi;
		},

		render: function render(bEnableOkButton) {
			var addAnotherJumpTo = StringResources.get('drillthrough_manageAddAnotherTarget');
			var entries = this.drillThroughModelApi.getDrillDefinitionEntries(this.content);
			var visualizationAPI = this.content.getFeature('Visualization');
			var dataSource = visualizationAPI.getDataSource();
			var sourceId = dataSource.getId();
			var jumpToEntries = [];
			var iconsFeature = this.dashboard.getFeature('Icons');

			var reportIcon = iconsFeature.getIcon('reportIcon');
			var dashboardIcon = iconsFeature.getIcon('dashboardIcon');
			var storyIcon = iconsFeature.getIcon('storyIcon');
			var editIcon = iconsFeature.getIcon('common-edit');
			var removeIcon = iconsFeature.getIcon('remove');
			var addNewIcon = iconsFeature.getIcon('addNew');

			_.each(entries, function (entry) {
				if (_validSourceId(entry.getModelRefs(), sourceId)) {
					jumpToEntries.push({
						getIcon: function getIcon() {
							var iconMap = {
								authoring: reportIcon.id,
								story: storyIcon.id,
								dashboard: dashboardIcon.id
							};
							return iconMap[entry.getPerspective()];
						},
						getId: function getId() {
							return entry.getId();
						},
						getName: function getName() {
							return entry.getName();
						},
						editJumpTo: StringResources.get('drillthrough_manageJumpPaths_edit', { name: entry.getName() }),
						removeJumpTo: StringResources.get('drillthrough_manageJumpPaths_delete', { name: entry.getName() })
					});
				}
			});

			var sHtml = this.dotTemplate({
				entries: jumpToEntries,
				editIcon: editIcon.id,
				removeIcon: removeIcon.id,
				addNewIcon: addNewIcon.id,
				addNewTarget: {
					getId: function getId() {
						return 'addNewTarget';
					},
					getName: function getName() {
						return addAnotherJumpTo;
					}
				}
			});

			this.$el.empty().html(sHtml);
			this._updateText();
			this.handlers.enableOk(!!bEnableOkButton);
		},

		_onEdit: function _onEdit(event) {
			var id = this._getId(event);
			return id ? this.handlers.onEdit(this.content, id, this._getEditDrillThroughModelOptions()) : Promise.reject('Invalid drill through target');
		},

		_onDelete: function _onDelete(event) {
			var id = this._getId(event);
			var drillTarget = id ? this.drillThroughModelApi.getDrillDefinitionEntry(id) : null;

			if (drillTarget) {
				var confirmDlg = new ConfirmationDialog('confirmDeleteDrillTarget', StringResources.get('drillthrough_manageConfirmeDeleteDrillTargetTitle'), StringResources.get('drillthrough_manageConfirmeDeleteDrillTarget', {
					name: drillTarget.getName()
				}));
				confirmDlg.confirm(function () {
					this.handlers.onDelete(id, this._getEditDrillThroughModelOptions());
				}.bind(this));
			} else {
				throw new Error('Invalid drill through target');
			}
		},

		_onAddNewTarget: function _onAddNewTarget() {
			return this.handlers.onCreate(this.content, this._getEditDrillThroughModelOptions());
		},

		_getItem: function _getItem(event) {
			var $target = $(event.currentTarget);
			return $target.closest('.visDT-ManageView-item-container');
		},

		_getId: function _getId(event) {
			var $ancestor = this._getItem(event);
			return $ancestor.length > 0 ? $ancestor[0].getAttribute('data-id') : null;
		},

		_getEditDrillThroughModelOptions: function _getEditDrillThroughModelOptions() {
			return {
				undoRedoOptions: {
					silent: true
				},
				callback: this.render.bind(this, true)
			};
		},

		setFocus: function setFocus() {
			this.$el.focus();
			this._updateText();
		},

		_updateText: function _updateText() {
			this.$el.find('.visDT-ManageView-item.visDT-ManageView-item-target').each(function (index, elem) {
				ContentFormatter.middleShortenString(elem);
			});
		}

	});

	return DrillThroughManageView;
});
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