package com.imt.intimamedia.helpers
{
	import com.imt.intimamedia.events.user.UserHelpEvent;
	import com.imt.intimamedia.model.ApplicationModelLocator;
	
	import flash.events.Event;
	import flash.events.MouseEvent;
	
	import mx.collections.ArrayCollection;
	import mx.containers.Canvas;
	import mx.containers.HBox;
	import mx.containers.VBox;
	import mx.controls.Alert;
	import mx.controls.CheckBox;
	import mx.controls.Image;
	import mx.controls.LinkButton;
	import mx.controls.Spacer;
	import mx.core.Application;
	import mx.core.UIComponent;
	import mx.effects.Parallel;
	import mx.effects.Zoom;
	import mx.events.ResizeEvent;
	import mx.managers.PopUpManager;
	import mx.resources.ResourceManager;
	import mx.skins.halo.HaloBorder;
	import mx.utils.ObjectUtil;
		
	public class HelpUtils
	{	
		public static var helpCanvas : Canvas;
		public static var helpIndex : int;
		public static var helpPagesArray : ArrayCollection;
		
		
		public function HelpUtils() { }
		
		
		public static function addNavigationLink(helpIndex : int) : void
		{
			var phbox : HBox = new HBox();
			var nhbox : HBox = new HBox();
			
			if (helpIndex - 1 >= 0)
			{
				var prevLinkButton : LinkButton = new LinkButton();
				prevLinkButton.label = ResourceManager.getInstance().getString('labels', 'previous') + ' ' + helpPagesArray.getItemAt(helpIndex - 1).label;
				prevLinkButton.name = helpPagesArray.getItemAt(helpIndex - 1).label;
				prevLinkButton.addEventListener(MouseEvent.CLICK, changeHelp );
				prevLinkButton.setStyle("fontWeight", "bold");
				prevLinkButton.setStyle("fontSize", 16);
				prevLinkButton.setStyle("color", "#FFFFFF");
				
				phbox.addChild(prevLinkButton);
			}
			
			if (helpPagesArray.length > helpIndex + 1)
			{
				var nextLinkButton : LinkButton = new LinkButton();
				nextLinkButton.label = ResourceManager.getInstance().getString('labels', 'next') + ' ' + helpPagesArray.getItemAt(helpIndex + 1).label;
				nextLinkButton.name = helpPagesArray.getItemAt(helpIndex + 1).label;
				nextLinkButton.addEventListener(MouseEvent.CLICK, changeHelp );
				nextLinkButton.setStyle("fontWeight", "bold");
				nextLinkButton.setStyle("fontSize", 16);
				nextLinkButton.setStyle("color", "#FFFFFF");
				
				nhbox.addChild(nextLinkButton);
			}
			
			if (phbox.getChildren().length)
			{				
				phbox.setStyle("backgroundColor", "#999999");		
				phbox.setStyle("horizontalAlign", "left");
				phbox.setStyle("left", "20");
				phbox.setStyle("bottom", "20");
				phbox.setStyle("borderColor", "#222222");
				phbox.setStyle("borderThickness", "1");
				phbox.setStyle("borderStyle", "solid");
				helpCanvas.addChild(phbox);
			}
			
			if (nhbox.getChildren().length)
			{				
				nhbox.setStyle("backgroundColor", "#999999");	
				nhbox.setStyle("horizontalAlign", "right");
				nhbox.setStyle("right", "20");
				nhbox.setStyle("bottom", "20");
				nhbox.setStyle("borderColor", "#222222");
				nhbox.setStyle("borderThickness", "1");
				nhbox.setStyle("borderStyle", "solid");
				helpCanvas.addChild(nhbox);
			}
		}
		
		public static function loadHelp(helpPages : ArrayCollection, idx : int) : void
		{		
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			helpPagesArray = helpPages;
			
			showHelp(helpPages.getItemAt(idx).page, helpPages.getItemAt(idx).image, 
				helpPages.getItemAt(idx).addEffect, helpPages.getItemAt(idx).removeEffect);
			
			helpIndex = idx;
			addNavigationLink(idx);
		}
		
		public static function changeHelp(event : Event) : void
		{
			var found : Boolean = false;
			
			hideHelp(event);
			
			for each (var help : Object in helpPagesArray)
			// labels have to be unique; there is a comparison on it
				if (event.currentTarget.name == help.label)
				{
					helpIndex = helpPagesArray.getItemIndex(help);
					found = true;
					break;
				}
				
			if (!found)
				return;
			
			showHelp(helpPagesArray.getItemAt(helpIndex).page, helpPagesArray.getItemAt(helpIndex).image, 
				helpPagesArray.getItemAt(helpIndex).addEffect, helpPagesArray.getItemAt(helpIndex).removeEffect);
			
			addNavigationLink(helpIndex);
		}
		
		public static function showHelp(page : UIComponent, image : Image, addEffect : Zoom, removeEffect : Parallel) : void
		{		
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			var closeButton : Image = new Image();
			closeButton.source = "/images/help/close.png";
			closeButton.width = 20;
			closeButton.height = 20;

			closeButton.buttonMode = true;
			closeButton.useHandCursor = true;
			closeButton.addEventListener( MouseEvent.CLICK, hideHelp );
		
			var helpCheckBox : CheckBox = new CheckBox();
			helpCheckBox.label = ResourceManager.getInstance().getString('labels', 'hide.help');
			helpCheckBox.labelPlacement = "right";
			helpCheckBox.x = 450;
			
			helpCheckBox.setStyle("bottom", "20");
			
			helpCheckBox.selected = !ApplicationModelLocator.getInstance().connectedUser.help;
			helpCheckBox.addEventListener(MouseEvent.CLICK, setUserHelp);
			
			image.visible = true;
			image.includeInLayout = true;

			helpCanvas = new Canvas();
						
			// image width = 1000 and image height = 702
			image.maintainAspectRatio = true;
			
			helpCanvas.width = image.getExplicitOrMeasuredWidth();
			helpCanvas.height = image.getExplicitOrMeasuredHeight();
			
			closeButton.setStyle("top", "10");
			closeButton.setStyle("right", "15");
			
			helpCanvas.addChild(image);
			helpCanvas.addChild(closeButton);
			helpCanvas.addChild(helpCheckBox);
			
			helpCanvas.verticalScrollPolicy = "off";
			helpCanvas.horizontalScrollPolicy = "off";
			
			helpCanvas.addEventListener( Event.COMPLETE, centerHelp );
			helpCanvas.addEventListener( ResizeEvent.RESIZE, centerHelp );
			
			// CJA : Ajouter Le 28 Aout 2013 (Demande PJT)
			helpCanvas.addEventListener( MouseEvent.CLICK, hideHelp );
			
			helpCanvas.setStyle("addedEffect", addEffect);
			helpCanvas.setStyle("removedEffect", removeEffect);
			
			PopUpManager.addPopUp( helpCanvas, UIComponent(page), true );
		}
		
		public static function centerHelp(event : Event) : void 
		{
			PopUpManager.centerPopUp( helpCanvas as Canvas );
		}
		
		public static function hideHelp(event : Event) : void 
		{
			helpCanvas.removeAllChildren();
			helpCanvas.removeEventListener( Event.COMPLETE, centerHelp );
			helpCanvas.removeEventListener( ResizeEvent.RESIZE, centerHelp );
			PopUpManager.removePopUp( helpCanvas as Canvas );
		}
		
		public static function setUserHelp( event : Event ) : void 
		{
			if ((event.currentTarget as CheckBox).selected)
				ApplicationModelLocator.getInstance().connectedUser.help = false;
			else
				ApplicationModelLocator.getInstance().connectedUser.help = true;
			
			new UserHelpEvent(ApplicationModelLocator.getInstance().connectedUser.id, ApplicationModelLocator.getInstance().connectedUser.help).dispatch();
		}
		
		public static function loadPatientHelp(image : Image) : void
		{
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			// help pages of Patient
			var helpPages : ArrayCollection = HelpUtils.buildPatientHelpPages();
			
			var idx : int = 0;
			
			if (!ObjectUtil.compare(image, Application.application.physicianMenuHelp))
				idx = 0;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.patient.patientFile.searchPatientHelp))
				idx = 1;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.patient.patientFile.createPatientHelp))
				idx = 2;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.patient.patientFile.patientTabHelp))
				idx = 3;
			
			HelpUtils.loadHelp(helpPages, idx);
		}
		
		public static function buildPatientHelpPages() : ArrayCollection
		{
			// labels have to be unique; there is a comparison on it
			var helpPages : ArrayCollection = new ArrayCollection();
			helpPages.addItem({page:Application.application, 
				image:Application.application.physicianMenuHelp,
				label:ResourceManager.getInstance().getString('labels', 'main.menu'),
				addEffect:Application.application.zoomHelpAdd, 
				removeEffect:Application.application.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.patient.patientFile, 
				image:Application.application.menuPhysician.patient.patientFile.searchPatientHelp,
				label:ResourceManager.getInstance().getString('labels', 'label.search'),
				addEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.patient.patientFile, 
				image:Application.application.menuPhysician.patient.patientFile.createPatientHelp,
				label:ResourceManager.getInstance().getString('labels', 'title.patientFile'),
				addEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.patient.patientFile, 
				image:Application.application.menuPhysician.patient.patientFile.patientTabHelp,
				label:ResourceManager.getInstance().getString('labels', 'patient.tabs'),
				addEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.patient.patientFile.zoomHelpRemove});
			
			return helpPages;
		}
		
		public static function loadAcquireHelp(image : Image) : void
		{
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			// help pages of Acquire
			var helpPages : ArrayCollection = HelpUtils.buildAcquireHelpPages();
			
			var idx : int = 0;
			
			if (!ObjectUtil.compare(image, Application.application.menuPhysician.acquire.acquireGlobalProcessHelp))
				idx = 0;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.acquire.acquireAcquisitionHelp))
				idx = 1;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.acquire.acquireAffectationHelp))
				idx = 2;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.acquire.acquireThumbnailHelp))
				idx = 3;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.acquire.acquireLesionsHelp))
				idx = 4;
			
			HelpUtils.loadHelp(helpPages, idx);
		}
		
		public static function buildAcquireHelpPages() : ArrayCollection
		{
			// labels have to be unique; there is a comparison on it
			var helpPages : ArrayCollection = new ArrayCollection();
			helpPages.addItem({page:Application.application.menuPhysician.acquire, 
				image:Application.application.menuPhysician.acquire.acquireGlobalProcessHelp,
				label:ResourceManager.getInstance().getString('labels', 'physicianAcquire'),
				addEffect:Application.application.menuPhysician.acquire.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.acquire.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.acquire, 
				image:Application.application.menuPhysician.acquire.acquireAcquisitionHelp,
				label:ResourceManager.getInstance().getString('labels', 'measures.label.images'),
				addEffect:Application.application.menuPhysician.acquire.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.acquire.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.acquire, 
				image:Application.application.menuPhysician.acquire.acquireAffectationHelp,
				label:ResourceManager.getInstance().getString('labels', 'title.affectation'),
				addEffect:Application.application.menuPhysician.acquire.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.acquire.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.acquire, 
				image:Application.application.menuPhysician.acquire.acquireThumbnailHelp,
				label:ResourceManager.getInstance().getString('labels', 'acquire.incidence'),
				addEffect:Application.application.menuPhysician.acquire.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.acquire.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.acquire, 
				image:Application.application.menuPhysician.acquire.acquireLesionsHelp,
				label:ResourceManager.getInstance().getString('labels', 'title.lesion'),
				addEffect:Application.application.menuPhysician.acquire.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.acquire.zoomHelpRemove});
			
			return helpPages;
		}
		
		public static function loadMeasuresHelp(image : Image) : void
		{
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			// help pages of Measures
			var helpPages : ArrayCollection = HelpUtils.buildMeasuresHelpPages();
			
			var idx : int = 0;
			
			if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresThumbnailHelp))
				idx = 0;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresHelp))
				idx = 1;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresCalibrationHelp))
				idx = 2;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresEndingCalibrationHelp))
				idx = 3;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresImtButtonHelp))
				idx = 4;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresDistanceButtonHelp))
				idx = 5;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.generalMeasure.measures.measuresAreaButtonHelp))
				idx = 6;
			
			HelpUtils.loadHelp(helpPages, idx);
		}
		
		public static function buildMeasuresHelpPages() : ArrayCollection
		{
			// labels have to be unique; there is a comparison on it
			var helpPages : ArrayCollection = new ArrayCollection();
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresThumbnailHelp,
				label:ResourceManager.getInstance().getString('labels', 'images'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresHelp,
				label:ResourceManager.getInstance().getString('labels', 'physicianMeasure'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresCalibrationHelp,
				label:ResourceManager.getInstance().getString('labels', 'measures.label.scale'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresEndingCalibrationHelp,
				label:ResourceManager.getInstance().getString('labels', 'scale.next'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresImtButtonHelp,
				label:ResourceManager.getInstance().getString('labels', 'measures.label.imt'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresDistanceButtonHelp,
				label:ResourceManager.getInstance().getString('labels', 'distance'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.generalMeasure.measures, 
				image:Application.application.menuPhysician.generalMeasure.measures.measuresAreaButtonHelp,
				label:ResourceManager.getInstance().getString('labels', 'area'),
				addEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.generalMeasure.measures.zoomHelpRemove});
			
			return helpPages;
		}
		
		public static function loadReportHelp(image : Image) : void
		{
			if (ApplicationModelLocator.getInstance().generalMenuActive)
				return;
			
			// help pages of Report
			var helpPages : ArrayCollection = HelpUtils.buildReportHelpPages();
			
			var idx : int;
			
			if (!ObjectUtil.compare(image, Application.application.menuPhysician.report.reportConfigurationHelp))
				idx = 0;
			else if (!ObjectUtil.compare(image, Application.application.menuPhysician.report.reportDataHelp))
				idx = 1;
			
			HelpUtils.loadHelp(helpPages, idx);
		}
		
		public static function buildReportHelpPages() : ArrayCollection
		{
			var helpPages : ArrayCollection = new ArrayCollection();
			helpPages.addItem({page:Application.application.menuPhysician.report, 
				image:Application.application.menuPhysician.report.reportConfigurationHelp,
				label:ResourceManager.getInstance().getString('labels', 'report.settings'),
				addEffect:Application.application.menuPhysician.report.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.report.zoomHelpRemove});
			helpPages.addItem({page:Application.application.menuPhysician.report, 
				image:Application.application.menuPhysician.report.reportDataHelp,
				label:ResourceManager.getInstance().getString('labels', 'report.data'),
				addEffect:Application.application.menuPhysician.report.zoomHelpAdd, 
				removeEffect:Application.application.menuPhysician.report.zoomHelpRemove});
			
			return helpPages;
		}
	}
}