'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2013, 2020
 * 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/Class', '../../LayoutHelper', 'jquery', 'underscore', './feature/CommonAuthoringFeature'], function (Base, LayoutHelper, $, _, CommonAuthoringFeature) {

	var BaseLayout = null;
	BaseLayout = Base.extend({

		init: function init(options) {
			BaseLayout.inherited('init', this, arguments);

			this.consumeView = options.consumeView; // the consume view
			this.overridden = {}; // container for functions overridden in consume view
			this.added = []; //track all 'new' added functions in consume view

			//{setup helpers ... initialize from consume view
			this.domNode = this.consumeView.domNode;
			this.id = this.consumeView.id;
			this.layoutController = this.consumeView.layoutController;
			this.model = this.consumeView.model;

			this.getNodeId = this.consumeView.getNodeId.bind(this.consumeView);
			//}setup helpers

			//override functions in consume view
			this.specializeConsumeView(['add', 'removeChild', 'onResize', 'onResizeStep', 'getWidgetPositionUpdate', 'getMinimumTop', 'getMinimumLeft', 'getMaximumHeight', 'getMaximumWidth', 'getPhysicalPageSize', 'onShow']);

			this.consumeView.authorHelper = this;
			this.consumeView.isAuthoringMode = true;

			this.commonAuthoringFeature = new CommonAuthoringFeature(this.consumeView);

			this.dashboardApi = options.dashboardApi;

			this.$el = $(this.domNode);
		},

		specializeConsumeView: function specializeConsumeView(funcNames) {
			_.each(funcNames, function (funcName) {
				if (this.consumeView[funcName] && this.added.indexOf(funcName) === -1) {
					if (!this.overridden[funcName]) {
						//save original if we have not already
						this.overridden[funcName] = this.consumeView[funcName].bind(this.consumeView);
					}
				} else {
					this.added.push(funcName);
				}
				//add specialized func
				this.consumeView[funcName] = this[funcName].bind(this);
			}.bind(this));
		},

		restoreSpecializedFunc: function restoreSpecializedFunc(funcName) {
			if (this.overridden[funcName]) {
				this.consumeView[funcName] = this.overridden[funcName];
			}
		},

		restoreAllSpecialized: function restoreAllSpecialized() {
			for (var name in this.overridden) {
				if (this.overridden.hasOwnProperty(name)) {
					this.restoreSpecializedFunc(name);
				}
			}
		},

		removeAllAddedFuncs: function removeAllAddedFuncs() {
			for (var i = 0; i < this.added.length; i++) {
				if (this.consumeView[this.added[i]]) {
					this.consumeView[this.added[i]] = null;
				}
			}
		},

		renderContent: function renderContent() {
			return this.overridden.renderContent();
		},

		onResize: function onResize(renderOptions) {
			this.overridden.onResize(renderOptions);
		},

		onShow: function onShow() {
			this.overridden.onShow(arguments);
		},

		/**
   * Called when a resize starts and continuously called for each resize step
   *
   */
		onResizeStep: function onResizeStep() {
			this.commonAuthoringFeature.onResizeStep();
		},

		destroy: function destroy() {
			BaseLayout.inherited('destroy', this, arguments);
			this.restoreAllSpecialized();
			this.removeAllAddedFuncs();
			this.commonAuthoringFeature.destroy();
			this.consumeView.isAuthoringMode = false;
		},

		/**
   * Add a node to the view
   * @param layoutView
   * @param insertBeforeId
   */
		add: function add(layoutView, insertBeforeId) {
			this.consumeView._subLayoutViews.push(layoutView);
			var node = layoutView.domNode;
			if (!node) {
				return;
			}
			if (node.parentNode) {
				node.parentNode.removeChild(node);
			}
			var insertBeforeNode = insertBeforeId ? $('#' + this.getNodeId(insertBeforeId), this.layoutController.$el)[0] : null;
			this.domNode.insertBefore(node, insertBeforeNode);
		},

		/**
   * Remove a layout from the view
   * @param node
   *
   */
		removeChild: function removeChild(layoutView) {

			this.consumeView._subLayoutViews = this.consumeView._subLayoutViews.filter(function (view) {
				return view !== layoutView;
			});

			// Simply detach and not remove(). We might be moving the layout to a different parent.
			if (layoutView && layoutView.domNode) {
				$(layoutView.domNode).detach();
			}
		},

		/**
   * Return the model update object that represent the state of the given node info
   */
		getWidgetPositionUpdate: function getWidgetPositionUpdate(nodeInfo) {
			var update = null;
			if (nodeInfo.node._layout) {
				var siblingId = nodeInfo.dropPosition.before && nodeInfo.dropPosition.before._layout ? nodeInfo.dropPosition.before._layout.model.id : null;

				var xPosition = nodeInfo.dropPosition.x;
				var yPosition = nodeInfo.dropPosition.y;

				var $node = $(nodeInfo.node);

				var width = xPosition + $node.width();
				var maxWidth = this.getMaximumWidth();
				if (maxWidth && width > maxWidth) {
					xPosition = maxWidth - $node.width();
				}

				var height = yPosition + $node.height();
				var maxHeight = this.getMaximumHeight();
				if (maxHeight && height > maxHeight) {
					yPosition = maxHeight - $node.height();
				}

				update = {
					style: {
						left: Math.max(this.getMinimumLeft(), xPosition) + 'px',
						top: Math.max(this.getMinimumTop(), yPosition) + 'px'
					},
					insertBefore: siblingId,
					parentId: this.model.id,
					id: nodeInfo.node._layout.model.id
				};

				if (nodeInfo.dropPosition.height) {
					update.style.height = nodeInfo.dropPosition.height + 'px';
				}

				if (nodeInfo.dropPosition.width) {
					update.style.width = nodeInfo.dropPosition.width + 'px';
				}
			}

			return update;
		},

		getMaximumWidth: function getMaximumWidth() {
			var pageSize = this.getPhysicalPageSize();
			if (pageSize) {
				return pageSize.width;
			} else {
				return Infinity;
			}
		},

		getMaximumHeight: function getMaximumHeight() {
			var pageSize = this.getPhysicalPageSize();
			if (pageSize) {
				return pageSize.height;
			} else {
				return Infinity;
			}
		},

		getMinimumTop: function getMinimumTop() {
			var paddingTop = parseInt(this.$el.css('padding-top'), 10);
			return isNaN(paddingTop) ? 0 : paddingTop;
		},

		getMinimumLeft: function getMinimumLeft() {
			var paddingLeft = parseInt(this.$el.css('padding-left'), 10);
			return isNaN(paddingLeft) ? 0 : paddingLeft;
		},

		//general helper
		_addWidget: function _addWidget(widgetSpec, isTouch) {
			var _this = this;

			var transactionApi = this.dashboardApi.getFeature('Transaction');
			var transactionToken = transactionApi.startTransaction();
			var widgetModel = widgetSpec.model;
			var content = {
				containerId: widgetSpec.parentId,
				type: 'widget.' + widgetModel.type,
				spec: widgetModel,
				properties: widgetSpec.layoutProperties.style
			};
			return this.dashboardApi.getCanvas().addContent(content, transactionToken).then(function (contentApi) {
				transactionApi.endTransaction(transactionToken);
				return _this.layoutController.whenWidgetRenderComplete(contentApi.getId()).done(function (layout) {
					var selectionHandler = _this.layoutController.interactionController.selectionHandler;
					selectionHandler.deselectAll();
					// pass the flag isTouch to properly render the resize edges for touch device.
					selectionHandler.selectNode(layout.domNode, {
						'isTouch': isTouch
					});
				});
			});
		},

		_getModelToAddFromDragObject: function _getModelToAddFromDragObject(dragObject) {
			var canvasDnD = this.dashboardApi.getFeature('CanvasDnD');
			return canvasDnD.onDrop(dragObject);
		},

		_processWidgetSpecForPin: function _processWidgetSpecForPin(widgetSpec, isTouch) {
			if (widgetSpec.contentType === 'boardFragment') {
				var fragmentModel = {
					layout: widgetSpec.content.layout,
					widgets: widgetSpec.content.widgets,
					dataSources: widgetSpec.content.dataSources,
					properties: widgetSpec.content.properties,
					sourceName: widgetSpec.sourceName
				};
				if (widgetSpec.content.drillThrough) {
					fragmentModel.drillThrough = widgetSpec.content.drillThrough;
				}
				if (widgetSpec.content.episodes) {
					fragmentModel.episodes = widgetSpec.content.episodes;
				}
				var options = {
					model: fragmentModel,
					parentId: widgetSpec.parentId
				};

				var payload = this.model.boardModel.addFragment(options, 'layoutBaseView_onPinDrop', null);
				// The newly added widget from pin needs to be selected after finishing rendering
				if (payload && payload.value && payload.value.parameter && payload.value.parameter.model.layout && payload.value.parameter.model.layout.id) {
					this.layoutController.whenWidgetRenderComplete(payload.value.parameter.model.layout.id).done(function (layout) {
						var selectionHandler = this.layoutController.interactionController.selectionHandler;
						selectionHandler.deselectAll();
						// pass the flag isTouch to properly render the resize edges for touch device.
						selectionHandler.selectNode(layout.domNode, {
							'isTouch': isTouch
						});
					}.bind(this));
				}
			} else {
				this._addWidget(widgetSpec, isTouch);
			}

			this.dashboardApi.getFeature('Colors').clearLocalPaletteCache();
		},

		/**
   * Returns the displayable page size for the view (in pixels)
   */
		getPhysicalPageSize: function getPhysicalPageSize(layoutPositioning, id) {
			var layoutPos = layoutPositioning || this.model.getLayoutPositioning(true);
			if (layoutPos === 'absolute') {
				// The display page size in absolute is the configured page size
				return this.model.boardModel.layout.get('pageSize');
			} else if (layoutPos === 'relative') {
				// The display page size is just a ratio in relative, calculate the page size
				return this._getRelativePhysicalPageSize(id);
			} else {
				return { width: this.domNode.offsetWidth, height: this.domNode.offsetHeight };
			}
		},

		_getRelativePhysicalPageSize: function _getRelativePhysicalPageSize(id) {
			var $firstVisiblePage = void 0,
			    pageSize = {};

			if (this.$el.is(':visible')) {
				// Use the page if it is visible
				pageSize = { width: this.$el.width(), height: this.$el.height() };
			} else {
				// Page is not visible
				if (id) {
					$firstVisiblePage = $(LayoutHelper.getLayoutContentContainer(this.layoutController.topLayoutModel.id, id, this.dashboardApi));
				} else {
					$firstVisiblePage = $(this.layoutController.getLayoutContentContainer());
				}

				if ($firstVisiblePage.length) {
					var firstVisiblePageLayoutPos = $firstVisiblePage[0]._layout.model.getLayoutPositioning(true);

					if (firstVisiblePageLayoutPos === 'relative') {
						// If the first visible page is the same type as this page, then use its page size
						pageSize = { width: $firstVisiblePage.width(), height: $firstVisiblePage.height() };
					} else {
						// The dashboard has not be upgraded to the new layout (mixed layouts on tabs)
						// Current page layout is relative and first visible page is absolute
						// Calculate current relative pageSize using relative ratio on visible absolute page size
						var $absoluteContainer = $firstVisiblePage.parent();
						var currentPageSize = this.model.boardModel.layout.get('pageSize');
						pageSize = {
							width: $absoluteContainer.width(),
							height: $absoluteContainer.width() * (currentPageSize.height / currentPageSize.width)
						};
					}
				} else {
					// No visible pages to base the page size off, we shouldn't be here
					return { width: this.domNode.offsetWidth, height: this.domNode.offsetHeight };
				}
			}

			return pageSize;
		},

		/**This function with reposition a widget if it is outside the bounds of the
  dashboard
  * @param maxHeight - maximum height of the layout specified in style
  * @param maxWidth - maximum width of the layout specified in style
  * @param style - expected to have height and width properties to compare with
  								 maxHeight and maxWidth. Will be resized to fit.
  */
		moveToFitBoundaries: function moveToFitBoundaries(maxHeight, maxWidth, style) {
			// widgets placed outside of layout will be bumped in
			if (style.top + style.height > maxHeight) {
				style.top = maxHeight - style.height;
			}
			if (style.left + style.width > maxWidth) {
				style.left = maxWidth - style.width;
			}
		},

		/**
   * Update the model for this view
   * @public
   * @function LayoutBaseView#updateModel
   * @param {Object[]} styleUpdateArray Styles to be updated
   * @param {TransactionToken} transactionToken transactionToken
   * @param {boolean} [validate = true] Flag the indicating whether to validate the styles
   */
		updateModel: function updateModel(styleUpdateArray, transactionToken) {
			var _this2 = this;

			var validate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;

			styleUpdateArray.forEach(function (styleUpdate) {
				var content = _this2.dashboardApi.getCanvas().getContent(styleUpdate.id);
				var options = Object.assign({}, transactionToken, { validatePropertyValue: false });
				Object.keys(styleUpdate.style).forEach(function (propertyName) {
					content.setPropertyValue(propertyName, styleUpdate.style[propertyName], options);
				});

				//we have to do this twice so we know the properties are all set before validating.
				options.validatePropertyValue = validate;
				Object.keys(styleUpdate.style).forEach(function (propertyName) {
					content.setPropertyValue(propertyName, styleUpdate.style[propertyName], options);
				});
			});
		}

	});

	return BaseLayout;
});
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