'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: Storytelling
 * (C) Copyright IBM Corp. 2014, 2020
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

define(['baglass/core-client/js/core-client/ui/core/View', '../nls/StringResources', './TimelineSliderContentView', './TimelineHighlightIndicatorView', 'storytelling-ui/storytelling-ui.min', 'react', 'react-dom'], function (View, stringResources, Slider, TimelineIndicator, StorytellingUI, React, ReactDOM) {

	var PROVIDER_ID = 'PropertiesPane';

	var TimelineSliderView = View.extend({

		init: function init(options) {
			TimelineSliderView.inherited('init', this, arguments);
			this.id = options.id;
			this.model = options.model;
			this.label = options.label;
			this.scaleManager = options.scaleManager;
			this.timelineController = options.timelineController;
			this.glassContext = options.glassContext;
			this.dndManager = options.dndManager;
			this.dashboardApi = options.dashboardApi;
			this.services = options.services;

			this._dashboardState = this.dashboardApi.getFeature('DashboardState');

			this._flyoutHolder = document.createElement('div');
			this._flyoutHolder.classList.add('flyout-holder');

			this.extraCssClassForHighlight = 'timelineHighlight';
			this._timelineIndicators = [];
			this._highlightActModelListeners = [];
		},

		render: function render() {
			this.el.id = 'timelineWidgetSlider' + this.id;
			this.el.classList.add('sliderContent');

			this._renderDragSlider();
			this._renderTimelineHighlightIndicators();

			this._addDropZone();

			this.scaleManager.on('scale:change', this.onScaleChanged, this);
			this.timelineController.on('slider:addHighlight', this.onAddTimelineHighlight, this);
			this.timelineController.on('slider:closeFlyouts', this._closeFlyouts, this);
			this.timelineController.on('slider:deselect', this.onHideSliderSelection, this);
			this.timelineController.on('slider:removeHighlight', this.onRemoveTimelineHighlight, this);
			this.timelineController.on('slider:select', this.onShowSliderSelection, this);
			this.timelineController.on('slider:showHighlightSummary', this.onShowHighlightSummary, this);
		},

		remove: function remove() {
			if (this._dropZone) {
				this._dropZone.remove();
			}
			this._removeActModelListeners();
			this._removeTimelineIndicators();

			if (this._rangeSlider) {
				this._rangeSlider.remove();
			}

			this.scaleManager.off('scale:change', this.onScaleChanged, this);
			this.timelineController.off('slider:addHighlight', this.onAddTimelineHighlight, this);
			this.timelineController.off('slider:closeFlyouts', this._closeFlyouts, this);
			this.timelineController.off('slider:deselect', this.onHideSliderSelection, this);
			this.timelineController.off('slider:removeHighlight', this.onRemoveTimelineHighlight, this);
			this.timelineController.off('slider:select', this.onShowSliderSelection, this);
			this.timelineController.off('slider:showHighlightSummary', this.onShowHighlightSummary, this);

			TimelineSliderView.inherited('remove', this, arguments);
		},

		_removeActModelListeners: function _removeActModelListeners() {
			this._highlightActModelListeners.forEach(function (listener) {
				listener.remove();
			});
			this._highlightActModelListeners = [];
		},
		_removeTimelineIndicators: function _removeTimelineIndicators() {
			this._timelineIndicators.forEach(function (indicator) {
				indicator.remove();
			});
			this._timelineIndicators = [];
		},

		onScaleChanged: function onScaleChanged() {
			this._timelineIndicators.forEach(function (indicator) {
				indicator.onScaleChange();
			});
		},

		onAddTimelineHighlight: function onAddTimelineHighlight() {
			this._refreshTimelineHighlightIndicators();
		},

		onShowHighlightSummary: function onShowHighlightSummary(event) {
			var highlight = this._timelineIndicators.find(function (indicator) {
				return indicator.id === event.actModel.id;
			});
			if (highlight) {
				highlight.launchHighlightSummaryDialog();
			}
		},

		_closeFlyouts: function _closeFlyouts(targetElement) {
			if (this._flyout) {
				ReactDOM.unmountComponentAtNode(this._flyoutHolder);
				this._flyout = null;
				this.el.removeChild(this._flyoutHolder);
			}

			this._timelineIndicators.forEach(function (indicator) {
				return indicator.closeFlyout();
			});

			// There is an event triggered in TimelineView that passes an object with a
			// widgetId and this method is the one listening on that event but we
			// don't seem to be using that widgetId. It is used in a few different places
			// though and now we need to check that the parameter (targetElement) is one
			// that has a "focus" method on it. UGH!
			if (targetElement && targetElement.setActive) {
				// A workaround using setActive in IE which will set focus without scrolling
				targetElement.setActive();
			} else if (targetElement && targetElement.focus) {
				targetElement.focus();
			}
		},

		onRemoveTimelineHighlight: function onRemoveTimelineHighlight(event) {
			var highlightListener = this._highlightActModelListeners.find(function (listener) {
				return listener.id === event.actModel.id;
			});
			if (highlightListener) {
				highlightListener.remove();
				this._highlightActModelListeners = this._highlightActModelListeners.filter(function (listener) {
					return listener.id !== event.actModel.id;
				});
			}

			var highlight = this._timelineIndicators.find(function (indicator) {
				return indicator.id === event.actModel.id;
			});
			if (highlight) {
				highlight.remove();
				this._timelineIndicators = this._timelineIndicators.filter(function (indicator) {
					return indicator.id !== event.actModel.id;
				});
			}
		},

		onShowSliderSelection: function onShowSliderSelection(event) {
			if (event.widgetId === this.id) {
				this.toggleSelected(true);
				var $timelineController = this.$el.parent('.timelineContent'); // FIXME: Reaching out of scope
				this.$el.toggleClass('bringToFront', $timelineController.scrollTop() === 0);
			}
		},

		onHideSliderSelection: function onHideSliderSelection(event) {
			if (event.widgetId === this.id) {
				this.toggleSelected(false);
				this._closeFlyouts();
				// Update the previously selected slider.
				this.$el.removeClass('bringToFront');
			}
		},

		setLabel: function setLabel(label) {
			this.label = label;
			this._rangeSlider.middleShortenTitle(this.label);
		},

		getLabel: function getLabel() {
			return this.label;
		},

		setScale: function setScale(scale) {
			var scaleUpdated = this.model.scale !== scale;
			this.model.scale = scale;
			this._rangeSlider.setScale(scale);
			// setScale can be called multiple times with the same value. Since
			// middleShortenString() is considered expensive, only call it if necessary.
			if (scaleUpdated) {
				this._rangeSlider.middleShortenTitle(this.label);
			}
		},

		setValue: function setValue(value, preventNotify) {
			this._rangeSlider.setValue(value, preventNotify);
			this._timelineIndicators.forEach(function (indicator) {
				indicator.onSliderChange();
			});
			this._rangeSlider.middleShortenTitle(this.label);
		},

		getValue: function getValue() {
			return this._rangeSlider.getValue();
		},

		getDragValue: function getDragValue() {
			return this._rangeSlider.dragValue;
		},

		getDraggingElement: function getDraggingElement() {
			return this._rangeSlider.draggingElement;
		},

		toggleSelected: function toggleSelected(toggle) {
			this._rangeSlider.toggleSelected(toggle);
		},

		onScroll: function onScroll(event) {
			this._rangeSlider.onScroll(event);
		},

		onSliderSelect: function onSliderSelect(event) {
			var _this = this;

			event.stopPropagation();
			event.preventDefault();
			this.timelineController.trigger('timeline:select', {
				widgetId: this.id,
				pageX: event && event.pageX ? event.pageX : 0,
				originalEvent: event
			});

			this.timelineController.selectWidgetAndSlider(this.id).then(function () {
				// don't toggle flyout on drag end (which triggers a mouseup or touchend on mobile)
				if (!(event.type === 'mouseup' || event.type === 'touchend')) {
					_this._toggleFlyout(event);
				}
			});
		},

		addTimelineHighlight: function addTimelineHighlight(pageX) {
			// pageX is from the event that clicks on timeline slider
			var timer = this.scaleManager.convertPositionToTime(pageX - this.$el.offset().left);
			this.timelineController.addTimelineHighlight(this.id, timer);
		},

		isHighlightSupported: function isHighlightSupported() {
			return this.timelineController.isHighlightSupported(this.id);
		},

		_toggleFlyout: function _toggleFlyout(event) {
			if (this._flyout) {
				this._closeFlyouts(event.currentTarget);
				return;
			}
			var $timelineContent = this.$el.closest('.timelineContent');
			var scrollBarOffset = $timelineContent[0].scrollLeft;
			var timelineOffset = this.$el.children().first()[0].offsetLeft;

			var triggerPosition = this.el.querySelector('.slider-selection').getBoundingClientRect().left;
			if (event.pageX) {
				triggerPosition = event.pageX;
			}
			var position = triggerPosition - this.el.getBoundingClientRect().left;
			this._flyoutHolder.style.left = (event.pageX ? position : Math.max(scrollBarOffset, timelineOffset)) + 'px';

			this.$el.append(this._flyoutHolder);
			this._flyout = React.createElement(StorytellingUI.SliderFlyout, {
				isHighlightSupported: this.isHighlightSupported.bind(this),
				anchorElement: this._flyoutHolder,
				pageX: event.pageX || 0,
				closeFlyout: this._closeFlyouts.bind(this, event.currentTarget),
				openAnimationProperties: this.openAnimationProperties.bind(this),
				addTimelineHighlight: this.addTimelineHighlight.bind(this)
			});
			ReactDOM.render(this._flyout, this._flyoutHolder);
		},

		openAnimationProperties: function openAnimationProperties() {
			var state = this._dashboardState.getUiState();
			if (!state.fullScreen) {
				this._dashboardState.setSelectionProperties(true);
				this._dashboardState.setSidePanelCurrentView(this._getProviderId());
				this._dashboardState.setSidePanelOpen(true);
			}
		},

		_getProviderId: function _getProviderId() {
			return PROVIDER_ID;
		},


		onSliderWillChange: function onSliderWillChange() {
			this.timelineController.trigger('timeline:willChange', {
				widgetId: this.id,
				getDragValue: this.getDragValue.bind(this),
				getDraggingElement: this.getDraggingElement.bind(this)
			});
		},

		onSliderChange: function onSliderChange(event) {
			this._updateWidgetTimeline(this.id, event.value, event.payloadData);
			this._rangeSlider.middleShortenTitle(this.label);
			this._timelineIndicators.forEach(function (indicator) {
				indicator.onSliderChange();
			});
			this.timelineController.trigger('timeline:change', {
				widgetId: this.id
			});
		},

		onSliderDrop: function onSliderDrop(event) {
			this.timelineController.trigger('timeline:doneMoving', event);
		},

		onSliderMoveUp: function onSliderMoveUp(event) {
			this.timelineController.trigger('timeline:movingUp', event);
		},

		onSliderMoveDown: function onSliderMoveDown(event) {
			this.timelineController.trigger('timeline:movingDown', event);
		},

		onSliderDragStarted: function onSliderDragStarted(event) {
			this.timelineController.trigger('timeline:sliderDragStarted', event);
		},

		_addDropZone: function _addDropZone() {
			var _this2 = this;

			this._dropZone = this.dndManager.addDropTarget(this.$el[0], {
				accepts: function accepts(dragObject) {
					// we only accept the slider, not the 'handles'
					return dragObject.type === 'dragSliderContent';
				},
				onDragLeave: function onDragLeave(dragObject) {
					if (!dragObject || dragObject.type !== 'dragSliderContent' || !dragObject.data || !dragObject.data.slider) {
						return;
					}
					if (_this2._rangeSlider.id === dragObject.data.slider.id) {
						// us
						return;
					}
					if (!dragObject.lastPosition) {
						dragObject.lastPosition = dragObject.startPosition;
					}
					if (dragObject.position.y < dragObject.lastPosition.y) {
						_this2.timelineController.trigger('timeline:movingUp', { id: dragObject.data.slider.id, to: _this2.id });
					} else {
						_this2.timelineController.trigger('timeline:movingDown', { id: dragObject.data.slider.id, to: _this2.id });
					}
					dragObject.lastPosition = dragObject.position;
				}
			});
		},

		_renderDragSlider: function _renderDragSlider() {
			this._rangeSlider = new Slider({
				id: this.id,
				el: this.$el,
				value: this.model.value,
				scale: this.model.scale,
				title: this.label,
				cssClassSelector: this.extraCssClassForHighlight,
				dndManager: this.dndManager,
				services: this.services,
				timelineController: this.timelineController
			});
			this._rangeSlider.on('value:changed', this.onSliderChange.bind(this));
			this._rangeSlider.on('value:willChange', this.onSliderWillChange.bind(this));
			this._rangeSlider.on('dragSlider:select', this.onSliderSelect.bind(this));
			this._rangeSlider.on('dragSlider:isDropped', this.onSliderDrop.bind(this));
			this._rangeSlider.on('dragSlider:movingUp', this.onSliderMoveUp.bind(this));
			this._rangeSlider.on('dragSlider:movingDown', this.onSliderMoveDown.bind(this));
			this._rangeSlider.on('dragSlider:dragStarted', this.onSliderDragStarted.bind(this));
			this._rangeSlider.render();
			this._rangeSlider.middleShortenTitle(this.label);
		},

		/* Set the time range info of the widgets in selected page.*/
		_updateWidgetTimeline: function _updateWidgetTimeline(id, value, payloadData) {
			var defaultPixelsPerSecond = this.scaleManager.getScaleToPixelRatio();
			this.timelineController.updateTimelineDuration(id, value[0] / defaultPixelsPerSecond * 1000, value[1] / defaultPixelsPerSecond * 1000, {
				payloadData: payloadData
			});
		},

		_renderTimelineHighlightIndicators: function _renderTimelineHighlightIndicators() {
			var _this3 = this;

			var episodeModel = this.timelineController.getTimelineEpisodeById(this.id);
			var highlightActModels = episodeModel.acts.filter(function (value) {
				return value.get('action') === 'highlight';
			});
			highlightActModels.sort(function (item1, item2) {
				return item1.get('timer') - item2.get('timer');
			});
			highlightActModels.forEach(function (highlightActModel) {
				_this3._renderTimelineHighlightIndicator(episodeModel, highlightActModel);
			});

			episodeModel.acts.on('change:payload', this.onTimelineHighlightPayloadChange, this);
		},

		_renderTimelineHighlightIndicator: function _renderTimelineHighlightIndicator(episodeModel, highlightActModel) {
			if (episodeModel.id === this.id) {
				// Rendering highlight indicators should be done within the TimelineContentSliderView (_rangeSlider)
				// instead of this class because the indicators are placed within a div that comes from _rangeSlider
				var highlightEl = document.createElement('div');
				this._rangeSlider.$highlightsEl.append(highlightEl);

				var timelineIndicator = new TimelineIndicator({
					el: highlightEl,
					widgetId: this.id,
					controller: this.timelineController,
					scaleManager: this.scaleManager,
					episodeModel: episodeModel,
					highlightAct: highlightActModel,
					extraCssClass: this.extraCssClassForHighlight,
					services: this.services,
					dashboardApi: this.dashboardApi
				});
				timelineIndicator.render();

				this._timelineIndicators.push(timelineIndicator);

				var _highlightActModel$on = highlightActModel.on('change:timer', this.onTimelineHighlightTimerChange, this),
				    remove = _highlightActModel$on.remove;

				this._highlightActModelListeners.push({ id: highlightActModel.id, remove: remove });
			}
		},

		_refreshTimelineHighlightIndicators: function _refreshTimelineHighlightIndicators() {
			this._removeActModelListeners();
			this._removeTimelineIndicators();
			this._renderTimelineHighlightIndicators();
		},

		onTimelineHighlightTimerChange: function onTimelineHighlightTimerChange() {
			var reFocusHighlight = false;
			var activeElId = document.activeElement.id;
			if (document.activeElement.classList.contains('timelineHighlight')) {
				reFocusHighlight = true;
			}

			this._refreshTimelineHighlightIndicators();

			if (reFocusHighlight) {
				document.getElementById(activeElId).focus();
			}
		},

		onTimelineHighlightPayloadChange: function onTimelineHighlightPayloadChange() {
			// one or more highlight changed....
			this._timelineIndicators.forEach(function (indicator) {
				return indicator.onPayloadChange();
			});
		}
	});

	return TimelineSliderView;
});
//# sourceMappingURL=TimelineSliderView.js.map