//
// Copyright 2003-2010 by Autodesk, Inc. 
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted, 
// provided that the above copyright notice appears in all copies and 
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting 
// documentation.
//
// AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS. 
// AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC. 
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
//
// Use, duplication, or disclosure by the U.S. Government is subject to 
// restrictions set forth in FAR 52.227-19 (Commercial Computer
// Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
// (Rights in Technical Data and Computer Software), as applicable.
//

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Xml;
using System.Windows.Forms;

using Autodesk.Revit;

using Autodesk.Revit.DB;

using RevitLookup.ModelStats;

namespace RevitLookup.ModelStats
{
	/// <summary>
	/// Summary description for Report.
	/// </summary>
	public class Report
	{
	        // data members
        private ArrayList	m_rawObjCounts = new ArrayList();
        private ArrayList	m_categoryCounts = new ArrayList();
        private ArrayList	m_symRefCounts = new ArrayList();

		public
		Report()
		{
		}
		
		/// <summary>
		/// Find a RawObjCount node for the the given type of object.
		/// </summary>
		/// <param name="obj"></param>
		/// <returns></returns>
		
		private RawObjCount
		FindRawObjNode(System.Type objType)
		{
            foreach (RawObjCount tmpNode in m_rawObjCounts) {
                if (tmpNode.m_classType == objType)
                    return tmpNode;
            }
            return null;
		}
		
		private void
        RawObjStats(System.Object obj)
        {
            RawObjCount tmpNode = FindRawObjNode(obj.GetType());
            if (tmpNode == null) {
                tmpNode = new RawObjCount();
                tmpNode.m_classType = obj.GetType();
                m_rawObjCounts.Add(tmpNode);
            }

            tmpNode.m_objs.Add(obj);
        }
        
        private CategoryCount
        FindCategoryNode(Category cat)
        {
            Debug.Assert(cat != null);    // don't call unless you've already checked this
            
            foreach (CategoryCount tmpNode in m_categoryCounts) {
                if (tmpNode.m_category == cat)
                    return tmpNode;
            }
            
            return null;
        }

        private void
        CategoryStats(Element elem)
        {
            if (elem.Category == null)  // some elements don't belong to a category
                return;
                
            CategoryCount tmpNode = FindCategoryNode(elem.Category);
            if (tmpNode == null) {
                tmpNode = new CategoryCount();
                tmpNode.m_category = elem.Category;
                m_categoryCounts.Add(tmpNode);
            }
            
            tmpNode.m_objs.Add(elem);
        }
        
        private SymbolCount
		FindSymbolNode(ElementType sym)
		{
            foreach (SymbolCount tmpNode in m_symRefCounts) {
                if (tmpNode.m_symbol.Id.IntegerValue == sym.Id.IntegerValue)  // TBD: directly comparing Symbol objects doesn't work
                    return tmpNode;
            }
            return null;
		}
		
		private ElementType
		GetSymbolRef(Element elem)
		{
		    ContFooting contFoot = elem as ContFooting;
		    if (contFoot != null)
		        return contFoot.FootingType;
		        
            FamilyInstance famInst = elem as FamilyInstance;
		    if (famInst != null)
		        return famInst.Symbol;
		        
            Floor floor = elem as Floor;
		    if (floor != null)
		        return floor.FloorType;
  
            Group group = elem as Group;
		    if (group != null)
		        return group.GroupType;
  
            Wall wall = elem as Wall;
		    if (wall != null)
		        return wall.WallType;
		        
		    return null;    // nothing we know about
		}
		
        private void
        SymbolRefStats(Element elem)
        {
                // if it is a Symbol element, just make an entry in our map
                // and get out.
            ElementType sym = elem as ElementType;
            if (sym != null) {
                SymbolCount tmpNode = FindSymbolNode(sym);
                if (tmpNode == null) {
                    tmpNode = new SymbolCount();
                    tmpNode.m_symbol = sym;
                    m_symRefCounts.Add(tmpNode);
                }
                
                return;
            }
            
                // it isn't a Symbol, so we need to check if it is something that
                // references a Symbol.
            sym = GetSymbolRef(elem);
            if (sym != null) {
                SymbolCount tmpNode = FindSymbolNode(sym);
                if (tmpNode == null) {
                    tmpNode = new SymbolCount();
                    tmpNode.m_symbol = sym;
                    m_symRefCounts.Add(tmpNode);
                }
                tmpNode.m_refs.Add(elem);
            }
        }


		private void
		ProcessElements(Document doc)
		{
         FilteredElementCollector fec = new FilteredElementCollector(doc);
         ElementClassFilter elementsAreWanted = new ElementClassFilter(typeof(Element));
         fec.WherePasses(elementsAreWanted);
         List<Element> elements = fec.ToElements() as List<Element>;

         foreach (Element element in elements)
         {
            RawObjStats(element);

            if (element != null)
            {
               SymbolRefStats(element);
               CategoryStats(element);
            }
         }
		}
	    
        /// <summary>
        /// Create the XML Report for this document
        /// </summary>
        /// <param name="reportPath"></param>
        /// <param name="elemIter"></param>
        
        public void
        XmlReport(string reportPath, Document doc)
        {
            ProcessElements(doc);   // index all of the elements
            
            XmlTextWriter stream = new XmlTextWriter(reportPath, System.Text.Encoding.UTF8);
            stream.Formatting = Formatting.Indented;
            stream.IndentChar = '\t';
            stream.Indentation = 1;
            
            stream.WriteStartDocument();
            
            stream.WriteStartElement("Project");
            stream.WriteAttributeString("title", doc.Title);
            stream.WriteAttributeString("path", doc.PathName);
            
            XmlReportRawCounts(stream);
            XmlReportCategoryCounts(stream);
            XmlReportSymbolRefCounts(stream);

            stream.WriteEndElement();   // "Project"
            stream.WriteEndDocument();
            
            stream.Close();
        }
        
        private void
        XmlReportRawCounts(XmlTextWriter stream)
        {
            stream.WriteStartElement("RawCounts");
            
            foreach (RawObjCount tmpNode in m_rawObjCounts) {
                    // write summary stats for this class type
                stream.WriteStartElement("ClassType");
                stream.WriteAttributeString("name", tmpNode.m_classType.Name);
                stream.WriteAttributeString("fullName", tmpNode.m_classType.FullName);
                stream.WriteAttributeString("count", tmpNode.m_objs.Count.ToString());
                    // list a reference to each element of this type
                foreach (System.Object tmpObj in tmpNode.m_objs) {
                    Element tmpElem = tmpObj as Element;
                    if (tmpElem != null) {
                        stream.WriteStartElement("ElementRef");
                        stream.WriteAttributeString("idRef", tmpElem.Id.IntegerValue.ToString());
                        stream.WriteEndElement();   // ElementRef
                    }
                }
                
                stream.WriteEndElement();   // ClassType
            }
            
            stream.WriteEndElement();   // RawCounts
        }
        
        private void
        XmlReportCategoryCounts(XmlTextWriter stream)
        {
            stream.WriteStartElement("Categories");
            
            foreach (CategoryCount tmpNode in m_categoryCounts) {
                    // write summary stats for this category
                stream.WriteStartElement("Category");
                stream.WriteAttributeString("name", tmpNode.m_category.Name);
                stream.WriteAttributeString("count", tmpNode.m_objs.Count.ToString());
                    // list a reference to each element of this type
                foreach (Element tmpElem in tmpNode.m_objs) {
                    stream.WriteStartElement("ElementRef");
                    stream.WriteAttributeString("idRef", tmpElem.Id.IntegerValue.ToString());
                    stream.WriteEndElement();   // ElementRef
                }
                
                stream.WriteEndElement();   // Category
            }
            
            stream.WriteEndElement();   // Categories
        }
        
        private void
        XmlReportSymbolRefCounts(XmlTextWriter stream)
        {
            stream.WriteStartElement("Symbols");
            
            foreach (SymbolCount tmpNode in m_symRefCounts) {
                    // write summary stats for this Symbol
                stream.WriteStartElement("Symbol");
                stream.WriteAttributeString("name", tmpNode.m_symbol.Name);
                stream.WriteAttributeString("symbolType", tmpNode.m_symbol.GetType().Name);
                stream.WriteAttributeString("refCount", tmpNode.m_refs.Count.ToString());
                    // list a reference to each element of this type
                foreach (Element tmpElem in tmpNode.m_refs) {
                    stream.WriteStartElement("ElementRef");
                    stream.WriteAttributeString("idRef", tmpElem.Id.IntegerValue.ToString());
                    stream.WriteEndElement();   // ElementRef
                }
                
                stream.WriteEndElement();   // Symbol
            }
            
            stream.WriteEndElement();   // Symbols
        }
                
        private void
        XmlReportWriteElement(XmlTextWriter stream, Element elem)
        {
            if (elem.Category == null)
                return;
                
            stream.WriteStartElement("BldgElement");

            stream.WriteAttributeString("category", elem.Category.Name);
            stream.WriteAttributeString("id", elem.Id.IntegerValue.ToString());
            stream.WriteAttributeString("name", elem.Name);
            
            ParameterSet paramSet = elem.Parameters;
			foreach (Parameter tmpObj in paramSet) {
			    stream.WriteStartElement("Param");
			    stream.WriteAttributeString("name", tmpObj.Definition.Name);
			    if (tmpObj.StorageType == StorageType.Double) {
			        stream.WriteAttributeString("dataType", "double");
			        stream.WriteAttributeString("value", tmpObj.AsDouble().ToString());
			    }
			    else if (tmpObj.StorageType == StorageType.ElementId) {
			        stream.WriteAttributeString("dataType", "elemId");
			        stream.WriteAttributeString("value", tmpObj.AsElementId().IntegerValue.ToString());
			    }
			    else if (tmpObj.StorageType == StorageType.Integer) {
			        stream.WriteAttributeString("dataType", "int");
			        stream.WriteAttributeString("value", tmpObj.AsInteger().ToString());
			    }
			    else if (tmpObj.StorageType == StorageType.String) {
			        stream.WriteAttributeString("dataType", "string");
			        stream.WriteAttributeString("value", tmpObj.AsString());
			    }
			    else if (tmpObj.StorageType == StorageType.None) {
			        stream.WriteAttributeString("dataType", "none");
			        stream.WriteAttributeString("value", "???");
			    }
			    stream.WriteEndElement();   // "Param"
            }

            stream.WriteEndElement();   // "BldgElement"
        }

	}
}