using HTEXLib.Models.Inner;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;

namespace HTEXLib.COMM.Helpers
{
   public class CustomXmlResolver : XmlResolver
    {
        public CustomXmlResolver() { }



        public override object GetEntity(Uri absoluteUri, string role, Type ofObjectToReturn)
        {
            MemoryStream entityStream = null;

            switch (absoluteUri.Scheme)
            {
                case "custom-scheme":

                    string absoluteUriOriginalString = absoluteUri.OriginalString;
                    string ctgXsltEntityName = absoluteUriOriginalString.Substring(absoluteUriOriginalString.IndexOf(":") + 1);
                    string entityXslt = "";
                    // TODO: Replace the following with your own code to load data for referenced entities.
                    switch (ctgXsltEntityName)
                    {
                        case "tokens.xsl":
                            //entityXslt= System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\tokens.xsl");
                            entityXslt = Globals.tokens;
                            break;
                        case "glayout.xsl":
                            //entityXslt = System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\glayout.xsl");
                            entityXslt = Globals.glayout;
                            break;
                        case "scripts.xsl":
                            //entityXslt = System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\scripts.xsl");
                            entityXslt = Globals.scripts; 
                            break;
                        case "tables.xsl":
                            //entityXslt = System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\tables.xsl");
                            entityXslt = Globals.tables;
                            break;
                        case "entities.xsl":
                            //entityXslt = System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\entities.xsl");
                            entityXslt = Globals.entities;
                            break;
                        case "cmarkup.xsl":
                            //entityXslt = System.IO.File.ReadAllText(@"D:\VSProjectCode\TEAMModelHTEX\HTEXMtahML\xslt\cmarkup.xsl");
                            entityXslt = Globals.cmarkup;
                            break;
                    }
                    UTF8Encoding utf8Encoding = new UTF8Encoding();
                    byte[] entityBytes = utf8Encoding.GetBytes(entityXslt);
                    entityStream = new MemoryStream(entityBytes);
                    break;
            }
            return entityStream;
        }

        public override Uri ResolveUri(Uri baseUri, string relativeUri)
        {
            // You might want to resolve all reference URIs using a custom scheme.
            if (baseUri != null)
                return base.ResolveUri(baseUri, relativeUri);
            else
                return new Uri("custom-scheme:" + relativeUri);
        }
    }
}