'use strict';

/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| IBM Cognos Products: Dashboard
 *| (C) Copyright IBM Corp. 2017, 2020
 *|
 *| US Government Users Restricted Rights - Use, duplication or disclosure
 *| restricted by GSA ADP Schedule Contract with IBM Corp.
 *+------------------------------------------------------------------------+
 */
define(['underscore', '../../../lib/@waca/dashboard-common/dist/glass/controllers/WidgetBaseActionHandler', '../../../app/nls/StringResources', '../../../lib/@waca/core-client/js/core-client/utils/ClassFactory', '../../widgets/staticwidget/ShapeWidget'], function (_, BaseClass, stringResources, ClassFactory, ShapeWidget) {

	var ActionHandler = BaseClass.extend({

		getDashboardView: function getDashboardView(context) {
			return context.glassContext.appController.getCurrentContentView();
		},

		getUiHelperClass: function getUiHelperClass() {
			return ClassFactory.loadModule('dashboard-core/js/lib/@waca/dashboard-common/dist/ui/WidgetAddUIHelper');
		},

		createWidgetAddUIHelper: function createWidgetAddUIHelper(context) {
			var view = this.getDashboardView(context);

			this.uiHelperClassOptions = {
				dashboardApi: view.getDashboardApi(),
				services: view.services
			};

			return this.getUiHelperClass().then(function (UIHelperClass) {
				var widgetAddUIHelper = new UIHelperClass(this.uiHelperClassOptions);
				widgetAddUIHelper.panelAttributes = {
					canvasController: view.boardLoader.canvasController,
					cdnUrl: view.getCDNUrl(),
					ajaxSvc: view.ajaxSvc,
					glassContext: context.glassContext
				};
				return widgetAddUIHelper;
			}.bind(this));
		},

		getOptions: function getOptions(context) {
			var view = this.getDashboardView(context);
			var options = {
				className: 'widgetsPanelSlideout',
				title: stringResources.get('widgetsPanelTitle'),
				module: 'dashboard-core/js/dashboard/views/WidgetsPanelView',
				getEntries: this.getEntries.bind(this, context),
				services: view.services,
				dashboardApi: view.getDashboardApi()
			};

			return Promise.resolve(options);
		},

		getEntries: function getEntries(context) {
			var glassContext = context.glassContext;

			return Promise.all([this._getShapeWidgets(glassContext), this._getImageLibrary(glassContext), this._getWidgets(glassContext)]).then(function (results) {
				var shapeWidgets = results[0];
				var images = results[1];
				var widgets = results[2];

				var entries = {
					widgets: widgets,
					images: {},
					shapeWidgets: shapeWidgets
				};

				if (images && images.list && images.list.length > 0) {
					entries.images = images;
				}
				return entries;
			}).then(this.getSpecs.bind(this, context));
		},

		getSpecs: function getSpecs(context, entries) {
			var defaultColors = this._getWidgetColorsHelper(entries.widgets);

			// Notebook config check required here until Story 264685 complete
			var notebookConfigPromise = context.glassContext.getCoreSvc('.Config').getConfigValue('BIProxy.jupyter', false);

			return Promise.all([this.createWidgetAddUIHelper(context), this._getShapeSpecHelper(entries.shapeWidgets, defaultColors), this._getImageLibrarySpecHelper(entries.images), notebookConfigPromise]).then(function (results) {
				var helper = results[0],
				    shapes = results[1],
				    images = results[2],
				    notebook = results[3];


				var icons = helper.dashboardApi.getFeature('Icons');

				var spec = {
					items: [{
						value: stringResources.get('widgetsPanelTitle'),
						name: 'widgetsPanel',
						type: 'Banner',
						editable: false
					}, {
						type: 'Separator'
					}]
				};

				var options = {
					onItemClick: helper.addWidgetBySelection.bind(helper),
					onItemStartDrag: helper.addWidgetByDrag.bind(helper)
				};

				// Basic widgets
				var basicWidgetItems = {
					name: stringResources.get('widgetsPanelTitle'),
					module: 'dashboard-core/js/dashboard/contentpane/PropertyUIControlView',
					items: [{
						type: 'SectionLabel',
						name: 'basicWidgets',
						label: stringResources.get('widgetsPanelSectionBasic')
					}, {
						type: 'IconCollection',
						id: _.uniqueId('basic_'),
						options: options,
						items: [{
							label: stringResources.get('textWidgetLabel'),
							name: stringResources.get('textWidgetLabel'),
							icon: icons.getIcon('text-creation').id,
							content: {
								widget: 'dashboard-core/js/dashboard/widgets/staticwidget/TextWidget',
								title: stringResources.get('textWidgetLabel')
							}
						}, {
							label: stringResources.get('imageWidgetLabel'),
							name: stringResources.get('imageWidgetLabel'),
							icon: icons.getIcon('image').id,
							content: {
								widget: 'dashboard-core/js/dashboard/widgets/staticwidget/ImageWidget',
								name: stringResources.get('imageWidgetLabel'),
								title: stringResources.get('imageWidgetLabel')
							}
						}, {
							label: stringResources.get('mediaWidgetLabel'),
							name: stringResources.get('mediaWidgetLabel'),
							icon: icons.getIcon('video-file').id,
							content: {
								widget: 'dashboard-core/js/dashboard/widgets/staticwidget/MediaWidget',
								name: stringResources.get('mediaWidgetLabel'),
								title: stringResources.get('mediaWidgetLabel')
							}
						}, {
							label: stringResources.get('webpageWidgetLabel'),
							name: stringResources.get('webpageWidgetLabel'),
							icon: icons.getIcon('webpage').id,
							content: {
								widget: 'dashboard-core/js/dashboard/widgets/staticwidget/WebpageWidget',
								name: stringResources.get('webpageWidgetLabel'),
								title: stringResources.get('webpageWidgetLabel')
							}
						}]
					}, {
						type: 'Separator'
					}]
				};

				this._addWidgets(entries.widgets.list, 'basicWidgets', basicWidgetItems.items[1].items);

				// Notebook
				if (notebook) {
					var advancedWidgetItems = {
						name: stringResources.get('widgetsPanelTitle'),
						module: 'dashboard-core/js/dashboard/contentpane/PropertyUIControlView',
						items: [{
							type: 'SectionLabel',
							name: 'advancedWidgets',
							label: stringResources.get('widgetsPanelSectionAdvanced')
						}, {
							type: 'IconCollection',
							id: _.uniqueId('advanced_'),
							options: options,
							items: [{
								label: stringResources.get('notebookWidgetLabel'),
								name: stringResources.get('notebookWidgetLabel'),
								icon: icons.getIcon('data-notebook').id,
								content: {
									widget: 'notebook/DashboardWidget',
									title: stringResources.get('notebookWidgetLabel')
								}
							}]
						}, {
							type: 'Separator'
						}]
					};
					basicWidgetItems.items.push(advancedWidgetItems);
				}

				// Shapes
				var shapesSpec = {
					name: stringResources.get('widgetsPanelTitle'),
					module: 'dashboard-core/js/dashboard/contentpane/PropertyUIControlView',
					items: [{
						type: 'SectionLabel',
						name: 'shapeWidgets',
						label: stringResources.get('widgetsPanelSectionShapes')
					}, {
						type: 'IconCollection',
						id: _.uniqueId('shapes_'),
						options: options,
						items: shapes
					}]
				};
				basicWidgetItems.items.push(shapesSpec);

				// Images
				if (images && images.length > 0) {
					var imageWidgetSpec = {
						name: stringResources.get('widgetsPanelImageLibraryTab'),
						module: 'dashboard-core/js/dashboard/contentpane/PropertyUIControlView',
						items: [{
							type: 'IconCollection',
							id: _.uniqueId('images_'),
							options: options,
							items: images
						}]
					};
					spec.items.push({
						type: 'TabControl',
						name: 'tabControl',
						items: [basicWidgetItems, imageWidgetSpec]
					});
				} else {
					spec.items.push(basicWidgetItems);
				}

				return spec;
			}.bind(this));
		},

		// Private

		/**
   * Adds widgets from the collection to the given section widget list if they have been attributed the given section name
   */
		_addWidgets: function _addWidgets(widgetsList, sectionName, sectionWidgets) {
			var widgetsToAdd = (widgetsList || []).filter(function (widget) {
				return widget.sections && widget.sections.indexOf(sectionName) !== -1;
			});
			widgetsToAdd.forEach(function (widget) {
				sectionWidgets.push({
					label: widget.label,
					name: widget.label,
					icon: widget.icon,
					content: {
						widget: widget.widget,
						name: widget.label,
						title: widget.label
					}
				});
			});
		},

		_getShapeSpecHelper: function _getShapeSpecHelper(shapes, colors) {
			var shapePromises = [];
			var shapeColors = colors && colors.shape;

			_.each(shapes.list, function (shape) {

				shape.options.fillColor = shapeColors.fillColor;
				shape.options.borderColor = shapeColors.borderColor;
				shape.options.fillColorIndex = shapeColors.fillColorIndex;
				shape.options.borderColorIndex = shapeColors.borderColorInder;

				var promise = ShapeWidget.getDefaultSpec(shape.name, shape.options).then(function (spec) {
					return {
						label: stringResources.get(shape.name),
						name: stringResources.get(shape.name),
						svg: spec.model.content,
						content: shape
					};
				});
				shapePromises.push(promise);
			});
			return Promise.all(shapePromises);
		},

		_getImageLibrarySpecHelper: function _getImageLibrarySpecHelper(images) {
			var imageSpecs = [];
			if (images.list) {
				_.each(images.list, function (image) {
					imageSpecs.push({
						label: image.name,
						name: image.name,
						image: image.options,
						content: image
					});
				});
			}
			return Promise.resolve(imageSpecs);
		},

		_getWidgetColorsHelper: function _getWidgetColorsHelper(widgets) {
			var widgetColors = {};
			if (widgets.list) {
				var getProperty = function getProperty(properties, color) {
					return _.find(properties, function (property) {
						return property.id === color;
					});
				};

				_.each(widgets.list, function (widget) {
					widgetColors[widget.id] = {};
					if (widget.propertyList) {
						var fillColor = getProperty(widget.propertyList, 'fillColor');
						var borderColor = getProperty(widget.propertyList, 'borderColor');
						widgetColors[widget.id].fillColor = fillColor && fillColor.defaultValue;
						widgetColors[widget.id].borderColor = borderColor && borderColor.defaultValue;
					}
				});
			}
			return widgetColors;
		},

		_getShapeWidgets: function _getShapeWidgets(context) {
			return this._getEntries(context, 'com.ibm.bi.dashboard.shapes', 'dashboard-core/js/dashboard/widgets/staticwidget/ShapeWidget');
		},

		_getImageLibrary: function _getImageLibrary(context) {
			return this._getEntries(context, 'com.ibm.bi.common.media', 'dashboard-core/js/dashboard/widgets/staticwidget/ImageWidget');
		},

		_getWidgets: function _getWidgets(context) {
			return this._getEntries(context, 'com.ibm.bi.dashboard.widgets', 'dashboard-core/js/dashboard/widgets/staticwidget/StaticWidget');
		},

		_getEntries: function _getEntries(context, perspectiveId, widgetModule) {
			return this.createWidgetAddUIHelper({ glassContext: context }).then(function (widgetAddUIHelper) {
				return widgetAddUIHelper.fetchWidgetListFromPerspective(perspectiveId, context);
			}).then(function (entries) {
				if (entries) {
					_.each(entries.list, function (entry) {
						if (!entry.widget) {
							entry.widget = widgetModule;
						}
					});
				}
				return entries;
			});
		}
	});

	return ActionHandler;
});
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