using System;
using System.Xml;
using System.IO;
using System.Xml.XPath;
using System.Xml.Schema;
using System.Collections.Generic;
using Gtk;

namespace AmicEditor
{


	public class Cathegory
	{
		/*
		 * Representa una categoria d'imatges, amb la llista de pictogrames que conté
		 * 
		 * */
		
		public string cathegoryname {get;set;}
		public int numpicts{get;set;}
		public string dir_cathegory  {get;set;}
		public string file{get;set;}
		public Gdk.Color BackgroundColor {get;set;}
		public Gdk.Color DefaultFontColor {get; set;}
		public string DefaultFont {get;set;}
		public string DefaultLang {get;set;}
		public List <Pictogram> pictograms {get;set;}
				
		public Cathegory ()
		{
			/*
			 * Constructor genèric
			 * */
			
			this.pictograms=new List<Pictogram>();
			this.numpicts=0;
		}
		
		
		public Cathegory (string name, Gdk.Color color, Gdk.Color CreatedCathegoryFontColor, 
		                  string CreatedCathegoryFont, string NewDefaultLang)
		                  //string CreatedCathegoryFont, string path)
		{
			
			/*
			 * Constructor quan li donem a nova categoria.
			 * */
			
			string nameToSave="";
			string catname;
			string [] nom = name.Split(new Char [] {'.'});
			
			if(nom.Length>0&&nom[nom.Length-1]=="xml") // Detectem si acaba amb .xml
			{
				catname=name.Substring(0,name.Length-4); // Si acaba amb .xml eliminem l'extensió
				nameToSave=name;               			 // I l'arxiu a guardar sí que conté .xml
			}
			else {
				catname=name;				// Si no han posat .xml, guardem la categoria amb name
				nameToSave=name+".xml";		// I guardem amb .xml
			}
			
			Console.WriteLine("Crea nova categoria..."+catname+" a l'arxiu "+nameToSave);
			
			
			this.cathegoryname=catname;
			this.BackgroundColor=color;
			this.file=nameToSave;
			this.dir_cathegory=Preferences.dir_gallery;
			this.pictograms=new List<Pictogram>();
			this.DefaultFont=CreatedCathegoryFont;
			this.DefaultFontColor=CreatedCathegoryFontColor;
			this.DefaultLang=NewDefaultLang;
			this.numpicts=0;
			
			this.Save();
		}
		
		
		public string TransformColor(string gtkcolor){
		/*
		 * Torna un string tipus #rrggbb a partir d'un gtkcolor
		 * 
		 * */
			
			string [] color = gtkcolor.Split(new Char [] {':'});
			if (color.Length<1) return "#000000";
			else{
				string [] components=color[1].Split(new Char [] {'/'});
				if (components.Length!=3) return  "#000000";
				else{
					string r,g,b;
					if (components[0].Length>2) r=components[0].Substring(0,2);
					else r="0"+components[0].Substring(0,1);
					
					if (components[1].Length>2) g=components[1].Substring(0,2);
					else g="0"+components[1].Substring(0,1);
					
					if (components[2].Length>2) b=components[2].Substring(0,2);
					else b="0"+components[2].Substring(0,1);
					
					return "#"+r+g+b;
				}
					
			}
			
		
		}
		
		public void Add(string name, string file, string path){
			/*
			 * Funció que omple la informació d'una categoria donada per name, 
			 * a partir de l'arxiu file ubicat al path indicat.
			 * 
			 * */
			
			this.cathegoryname=name;
			
			this.dir_cathegory=path;
			this.file=file;
			
			this.LoadPictograms(file);
		}
		
		
		public void Del(string _pictname){
			/*
			 * Elimina un pictograma donat el nom
			 * */
			
			Pictogram to_delete=null;
			
			foreach(Pictogram pic in pictograms)
				if (pic.pictname==_pictname) to_delete=pic;
			
			if(to_delete!=null){
				this.numpicts--;
				pictograms.Remove(to_delete);
			}
		}
		
		
		public void AddPictogram(Pictogram pic){
			/*
			 * Afig un pictograma donat a la llista de pictogrames
			 * 
			 * */
			
			this.pictograms.Add(pic);
			this.numpicts++; 
		}
		
		
		
		public bool ExistsPicWithName(string name){
			/*
			 * Torna cert si ja existeix un pictograma amb el mateix nom a la categoria
			 * */
			
			bool ret=false;
			foreach(Pictogram pic in pictograms) {
				if (pic.pictname==name) return true;
			}
			return ret;
			
		}
		
		
		public List <Pictogram> GetPictograms(){
			/*
			 * Retorna una llista d'elements de tipus pictograma
			 * */
			//Console.WriteLine("GetPictograms..."+this.cathegoryname+"-"+ this.pictograms.Count);
			return this.pictograms;
		}
		
		
		public Pictogram GetPictogram(string name){
			/*
			 * Retorna el pictograma donat el nom, o null en cas que no existisca
			 * */
			
			foreach(Pictogram pic in pictograms)
				if(pic.pictname==name) return pic;
			return null;
		}
		
		
		public List <Pictogram> LoadPictograms(string FullName){ 
			/*
			 * Carrega la llista de Pictogrames a partir de l'arxiu XML indicat per FullName
			 * 
			 * */
			Console.WriteLine("PICTOGRAMES DE: "+FullName);
			
			string sel_cathegory;
			
			try{
				XmlDocument Pictograms=new XmlDocument();
				Pictograms=LoadXML(FullName, this.dir_cathegory+"/xsd/cathegory.xsd");
				
				XPathNavigator PictNav = Pictograms.CreateNavigator();
							
				
				// Capturem el color de fons per defecte
				Gdk.Color backcol = new Gdk.Color();
					
				XPathNodeIterator CatColor = PictNav.Select("cathegory/defaultColor");
				if(CatColor.Count!=0){
					CatColor.MoveNext();
					Gdk.Color.Parse(CatColor.Current.Value, ref backcol);
					this.BackgroundColor=backcol;
				} else this.BackgroundColor=new Gdk.Color(255,255,255);
				
				Console.Write("Background: "+this.BackgroundColor);
				
				// Capturem el color de la lletra per defecte
				Gdk.Color fontcol = new Gdk.Color();
					
				XPathNodeIterator CatFontColor = PictNav.Select("cathegory/defaultFontColor");
				if (CatFontColor.Count!=0){
					CatFontColor.MoveNext();
					Gdk.Color.Parse(CatFontColor.Current.Value, ref fontcol);
					this.DefaultFontColor=fontcol;
				}else this.DefaultFontColor=new Gdk.Color(0,0,0);
				
				Console.Write(" - Color: "+this.DefaultFontColor);
				
				// Capturem la font per defecte	
				XPathNodeIterator CatFont = PictNav.Select("cathegory/defaultFont");
				if(CatFontColor.Count!=0){
					CatFont.MoveNext();
					this.DefaultFont=CatFont.Current.Value;
				} else this.DefaultFont="Arial 12";
				
				Console.Write("Font : "+this.DefaultFont);
				
				
				// Llegim l'idioma per defecte de la galeria
				XPathNodeIterator CatLang = PictNav.Select("cathegory/defaultLang");
				if (CatLang.Count!=0){			
					CatLang.MoveNext();
    				this.DefaultLang=CatLang.Current.Value;
					
					Console.Write("Default Lang: "+this.DefaultLang);
				} else this.DefaultLang=Preferences.lang_code;
				
								
				// Llegim la categoria: Obligatòria!!
				XPathNodeIterator CatName = PictNav.Select("cathegory/cathegoryname");
				CatName.MoveNext();
    			sel_cathegory=CatName.Current.Value;
				
				
				this.cathegoryname=sel_cathegory; /////////
				
				Console.Write("Catname: "+this.cathegoryname);
				
				
				XPathNodeIterator iterPicts = PictNav.Select("cathegory/pictograms/pictogram");
								
				
				foreach (XPathNavigator nodePict in iterPicts)
    			{
					this.numpicts++;
					Pictogram pictograma=new Pictogram();
									
					// Llegim el nom
					XPathNodeIterator nodePicts = nodePict.Select("pictname");
					if(nodePicts.Count!=0)
					nodePicts.MoveNext();
					pictograma.pictname=nodePicts.Current.Value;
					
					Console.WriteLine("");
					Console.Write("		Pictname: "+pictograma.pictname);
					
					// Llegim l'idioma
					

					XPathNodeIterator nodeLangPicts = nodePict.Select("lang");
					if(nodeLangPicts.Count!=0){
						nodeLangPicts.MoveNext();
						pictograma.lang=nodeLangPicts.Current.Value;
					
						Console.WriteLine("");
						Console.Write("		Language: "+pictograma.lang);
					}
					
					
					// Llegim el background
					XPathNodeIterator nodePicts2 = nodePict.Select("background");
					nodePicts2.MoveNext();
					//pictograma.background=nodePicts2.Current.Value;
					Gdk.Color back = new Gdk.Color();
					Gdk.Color.Parse(nodePicts2.Current.Value, ref back);
					pictograma.background=back;
					
					Console.Write(" - Background: "+pictograma.background);
					
					// Agafem les imatges
					XPathNodeIterator nodeImages = nodePict.Select("images/image");
					int i=0;
					foreach (XPathNavigator nodeImage in nodeImages)
					{
						Console.WriteLine(i);
						
						PictImage img=new PictImage();
						Console.WriteLine("");
						Console.Write("		Images: ");
						XPathNodeIterator Themes = nodeImage.Select("theme");
						Themes.MoveNext();
						img.theme=Themes.Current.Value;
						Console.Write(" - theme: {0}", img.theme);

							
						XPathNodeIterator Sources = nodeImage.Select("source");
						Sources.MoveNext();
						img.source=Sources.Current.Value;
					 	Console.Write(" -> Source: "+img.source);
						try{
							pictograma.Add(img);
							i++;
							//pictograma.images.Add(img);
						}catch (Exception e)
						{Console.WriteLine(e);}
							
					}
						
					// Agafem la resta d'atributs: Font
					XPathNodeIterator nodePictsFont = nodePict.Select("caption");
					nodePictsFont.MoveNext();
					
					pictograma.caption=nodePictsFont.Current.Value;
					pictograma.fontface=nodePictsFont.Current.GetAttribute("fontface", String.Empty);
					pictograma.fontsize=nodePictsFont.Current.GetAttribute("size", String.Empty);
					pictograma.typeface=nodePictsFont.Current.GetAttribute("typeface", String.Empty);
					pictograma.align=nodePictsFont.Current.GetAttribute("align", String.Empty);
					
					//pictograma.fontcolor=nodePictsFont.Current.GetAttribute("color", String.Empty);
					Gdk.Color col = new Gdk.Color();
					Gdk.Color.Parse(nodePictsFont.Current.GetAttribute("color", String.Empty), ref col);
					pictograma.fontcolor=col;
					
					Console.WriteLine("");
					Console.Write("         Caption: "+pictograma.caption);
					Console.Write(" - Fontface: "+pictograma.fontface);
					Console.Write(" - size: "+pictograma.fontsize);
					Console.Write(" - typeface: "+pictograma.typeface);
					Console.Write(" - Color: "+pictograma.fontcolor);

					// Accions
					XPathNodeIterator nodePictsActionSpeech = nodePict.Select("action/speech");
					nodePictsActionSpeech.MoveNext();
					pictograma.actionSpeech=nodePictsActionSpeech.Current.Value;
					
					Console.WriteLine("");
					Console.Write("		Action Speech: "+pictograma.actionSpeech);
				
        			XPathNodeIterator nodePictsActionSound = nodePict.Select("action/sound");
					nodePictsActionSound.MoveNext();
					pictograma.actionSound=nodePictsActionSound.Current.Value;
					Console.Write("		Action Sound: "+pictograma.actionSound);
							
						
				pictograms.Add(pictograma);
					
				} // foreach xpath... iterpicts
		
				return pictograms;
				
			}catch (Exception e){
				Console.WriteLine("******************** "+e);
				return null;
			}	
		}
		
		
	
		
		public XmlDocument LoadXML(string file, string xsd){
			/**
			 *  Retorna el document XML corresponent a File, validat amb l'xsd indicat
			 * */
			
			XmlDocument xDoc = new XmlDocument();
			
			if (XmlUtils.ValidaXSD(file, xsd)) 
			{
				xDoc.Load(file);
				return xDoc;
			}
			else {
				return null;
			};
						
		}
	
		public XmlDocument LoadPictogramsFrom(string Path){
			/*
			 * Torna un XMLDocument amb els pictogrames indicats al path
			 * 
			 * */
			
			try{
				XmlDocument Pictograms=new XmlDocument();
				//System.Console.WriteLine("PATH VAL... "+Path);
				Pictograms=LoadXML(Path, this.dir_cathegory+"/xsd/cathegory.xsd");
				return Pictograms;
			}catch{
				return null;
			}	
		}	
		
		public bool Contains(string picname)
		{
			
			// Comprova no es repeteix el nom del pictograma donat
			//int repeat=0; // Indica el nombre de repeticions
			foreach(Pictogram pic in pictograms){
				Console.WriteLine("provant "+picname+" amb... "+pic.pictname);
				if(picname==pic.pictname)
				//{
					//repeat++;
					//Console.WriteLine("REPETAT "+repeat);
					//if (repeat>1) 
					return true;

				//}
			}
			return false;
		}
		
		public bool Save(){
			/*
			 * Guarda l'arxiu xml corresponent a la categoria
			 * */
			
						
			FileStream fs=null;
			StreamWriter sw=null;
			
			try{
	
			
			//Console.WriteLine("Saving:"+dir_cathegory+"/"+cathegoryname);

			Console.WriteLine("Saving:"+Preferences.dir_gallery+"/"+cathegoryname+".xml");
			// I ara escrivim l'xml...
			// Capçalera
			
			if(File.Exists(Preferences.dir_gallery+"/"+cathegoryname+".xml"))
					File.Delete(Preferences.dir_gallery+"/"+cathegoryname+".xml");
			fs = new FileStream(Preferences.dir_gallery+"/"+cathegoryname+".xml", FileMode.OpenOrCreate, FileAccess.Write);
			sw=new StreamWriter(fs);
			
			sw.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
			sw.WriteLine("<cathegory xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"xsd/cathegory.xsd\">");
			sw.WriteLine("<cathegoryname>"+cathegoryname+"</cathegoryname>");
			sw.WriteLine("<defaultColor>"+TransformColor(BackgroundColor.ToString())+"</defaultColor>");
			sw.WriteLine("<defaultFont>"+this.DefaultFont+"</defaultFont>");
			sw.WriteLine("<defaultFontColor>"+TransformColor(this.DefaultFontColor.ToString())+"</defaultFontColor>");
			sw.WriteLine("<defaultLang>"+this.DefaultLang+"</defaultLang>");
			sw.WriteLine("<pictograms>");
			foreach(Pictogram pic in pictograms){
				sw.WriteLine("    <pictogram>");
				sw.WriteLine("\t<pictname>"+pic.pictname+"</pictname>");
				sw.WriteLine("\t<lang>"+pic.lang+"</lang>");
				sw.WriteLine("\t<background>"+TransformColor(pic.background.ToString())+"</background>");
				sw.WriteLine("\t<images>");
				
	//			LlistaAfegits.RemoveRange(0, LlistaAfegits.Count); // PATCH
				foreach(PictImage img in pic.images){
					// PATCH
				    //if(!Conte(LlistaAfegits, img)) // Només els imprimim si no està.	
					// END PATCH		
					//{
						//Console.WriteLine("NUMPICS:"+pic.images.Count);
						//Console.WriteLine("Length:"+LlistaAfegits.Count);
						sw.WriteLine("\t\t<image>");
						sw.WriteLine("\t\t\t<theme>"+img.theme+"</theme>");
						sw.WriteLine("\t\t\t<source>"+img.source+"</source>");
						sw.WriteLine("\t\t</image>");
						
	//					LlistaAfegits.Add(img); //PATCH
					//}  // PATCH
				}
				sw.WriteLine("\t</images>");
				
				sw.WriteLine("\t<caption fontface=\""+pic.fontface+"\" size=\""+ pic.fontsize+
				                  "\" typeface=\""+pic.typeface+"\" align=\""+pic.align+"\" color=\""+TransformColor(pic.fontcolor.ToString())+"\">"+
				                  pic.caption+"</caption>");
				
				sw.WriteLine("\t<action>");
				sw.WriteLine("\t\t<speech>"+pic.actionSpeech+"</speech>");
				sw.WriteLine("\t\t<sound>"+pic.actionSound+"</sound>");
				sw.WriteLine("\t</action>");
				
				
				sw.WriteLine("    </pictogram>");
			}
			
			sw.WriteLine("</pictograms>");
			sw.WriteLine("</cathegory>");
			
			sw.Close();
			
			return true;
			}
			catch (Exception exc){
				Console.WriteLine("Excepcio escrivint: "+exc);
				if (sw!=null) sw.Close();
				return false;
			}
		}
			
		public void PrintMe(){
			/*
			 * Mostra l'arxiu xml corresponent a la categoria
			 * */
			
			Console.WriteLine("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
			Console.WriteLine("<cathegory xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"xsd/cathegory.xsd\">");
			Console.WriteLine("<cathegoryname>"+cathegoryname+"</cathegoryname>");
			Console.WriteLine("<defaultColor>"+TransformColor(BackgroundColor.ToString())+"</defaultColor>");
			Console.WriteLine("<defaultFont>"+this.DefaultFont+"</defaultFont>");
			Console.WriteLine("<defaultFontColor>"+TransformColor(this.DefaultFontColor.ToString())+"</defaultFontColor>");
			Console.WriteLine("<defaultLang>"+this.DefaultLang+"</defaultLang>");
			Console.WriteLine("<pictograms>");
			foreach(Pictogram pic in pictograms){
				Console.WriteLine("    <pictogram>");
				Console.WriteLine("\t<pictname>"+pic.pictname+"</pictname>");
				Console.WriteLine("\t<lang>"+pic.lang+"</lang>");
				Console.WriteLine("\t<background>"+TransformColor(pic.background.ToString())+"</background>");
				Console.WriteLine("\t<images>");
				
				foreach(PictImage img in pic.images){
						Console.WriteLine("\t\t<image>");
						Console.WriteLine("\t\t\t<theme>"+img.theme+"</theme>");
						Console.WriteLine("\t\t\t<source>"+img.source+"</source>");
						Console.WriteLine("\t\t</image>");
								
				}
				Console.WriteLine("\t</images>");
				
				Console.WriteLine("\t<caption fontface=\""+pic.fontface+"\" size=\""+ pic.fontsize+
				                  "\" typeface=\""+pic.typeface+"\" align=\""+pic.align+"\" color=\""+TransformColor(pic.fontcolor.ToString())+"\">"+
				                  pic.caption+"</caption>");
				
				Console.WriteLine("\t<action>");
				Console.WriteLine("\t\t<speech>"+pic.actionSpeech+"</speech>");
				Console.WriteLine("\t\t<sound>"+pic.actionSound+"</sound>");
				Console.WriteLine("\t</action>");
				
				
				Console.WriteLine("    </pictogram>");
			}
			
			Console.WriteLine("</pictograms>");
			Console.WriteLine("</cathegory>");
			
		}
		
		
		/*public bool Conte(List<PictImage> LlistaAfegits, PictImage _img){	// PATCH PER COMPROVAR EL DE DALT...
			foreach(PictImage img in LlistaAfegits)
				if (img.theme==_img.theme) return true;
			return false;
		}*/
	
		
	}
}