// Authors:
//   Nagappan A <anagappan@novell.com>
//
// Copyright (c) 2007 Novell, Inc
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Data;
using System.Collections;
using System.IO;	
using System.Xml;
using System.Xml.Serialization;
using System.Xml.Schema;
using NUnit.Framework;

namespace MonoTests.System.Data
{
	[TestFixture]	
	public class XmlDataReaderTest
	{
		[Test]
		public void XmlLoadTest ()
		{
				DataSet ds = new DataSet();
				ds.ReadXmlSchema ("Test/System.Data/TestReadXmlSchema1.xml");
				ds.ReadXml ("Test/System.Data/TestReadXml1.xml");
		}
		
		// Test for Bug#377146
		[Test]
		public void XmlLoadCustomTypesTest ()
		{
			string xml = "<CustomTypesData>" + Environment.NewLine +
						"<CustomTypesTable>" + Environment.NewLine +
    					"<Dummy>99</Dummy>" + Environment.NewLine +
						"<FuncXml> " + Environment.NewLine +
						"<Func Name=\"CUT_IntPassiveIn()\" Direction=\"PASSIVE_MOCK\">" + Environment.NewLine +
						"<Param Name=\"paramLen\" Type=\"int\" Len=\"1\" InOut=\"IN\" Union=\"FALSE\" " + Environment.NewLine +
						"Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"1\" IsExpGetRef=\"\" " + Environment.NewLine +
						"IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" HandleInput=\"DEC\" " + Environment.NewLine +
						"Enum=\"\">" + Environment.NewLine + 
						"</Param>" + Environment.NewLine + Environment.NewLine +
						"<Param Name=\"single\" Type=\"int\" Len=\"1\" InOut=\"IN\" Union=\"FALSE\" " + Environment.NewLine +
						"Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"16\" IsExpGetRef=\"\" " + Environment.NewLine +
						"IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" HandleInput=\"DEC\" " + Environment.NewLine +
						"Enum=\"\">" + Environment.NewLine + 
						"</Param>" + Environment.NewLine + Environment.NewLine +
						"<Param Name=\"arraySizeParam\" Type=\"int*\" Len=\"4\" InOut=\"IN\" " + Environment.NewLine +
						"Union=\"FALSE\" Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"\" " + Environment.NewLine +
						"IsExpGetRef=\"\" IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" " + Environment.NewLine +
						"HandleInput=\"HEX\" Enum=\"\">" + Environment.NewLine + Environment.NewLine +
						"<Param1 Name=\"arraySizeParam0\" Type=\"int\" Len=\"0\" InOut=\"IN\" " + Environment.NewLine +
						"Union=\"FALSE\" Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"1\" " + Environment.NewLine +
						"IsExpGetRef=\"\" IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" " + Environment.NewLine +
						"HandleInput=\"DEC\" Enum=\"\">" + Environment.NewLine +
						"</Param1>" + Environment.NewLine + Environment.NewLine +
						"<Param1 Name=\"arraySizeParam1\" Type=\"int\" Len=\"0\" InOut=\"IN\" " + Environment.NewLine +
						"Union=\"FALSE\" Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"\" " + Environment.NewLine +
						"IsExpGetRef=\"\" IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" " + Environment.NewLine +
						"HandleInput=\"HEX\" Enum=\"\">" + Environment.NewLine +
						"</Param1>" + Environment.NewLine + Environment.NewLine +
						"<Param1 Name=\"arraySizeParam2\" Type=\"int\" Len=\"0\" InOut=\"IN\" " + Environment.NewLine +
						"Union=\"FALSE\" Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"\" " + Environment.NewLine +
						"IsExpGetRef=\"\" IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" " + Environment.NewLine +
						"HandleInput=\"HEX\" Enum=\"\">" + Environment.NewLine +
						"</Param1>" + Environment.NewLine + Environment.NewLine +
						"<Param1 Name=\"arraySizeParam3\" Type=\"int\" Len=\"0\" InOut=\"IN\" " + Environment.NewLine +
						"Union=\"FALSE\" Callback=\"\" CSharpType=\"int\" Value=\"\" ExpectedValue=\"\" " + Environment.NewLine +
						"IsExpGetRef=\"\" IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" " + Environment.NewLine +
						"HandleInput=\"HEX\" Enum=\"\">" + Environment.NewLine +
						"</Param1>" + Environment.NewLine + Environment.NewLine +
        				"</Param>" + Environment.NewLine +
						"<Return Name=\"retVal\" Type=\"int\" Len=\"1\" InOut=\"OUT\" Union=\"FALSE\" " + Environment.NewLine +
						"Callback=\"\" CSharpType=\"int\" Value=\"1\" ExpectedValue=\"\" IsExpGetRef=\"\" " + Environment.NewLine +
						"IsGetRef=\"\" IsSetRef=\"\" ChildSelected=\"FALSE\" UnionIndex=\"-1\" HandleInput=\"DEC\" " + Environment.NewLine +
						"Enum=\"\">" + Environment.NewLine +
						"</Return>" + Environment.NewLine +
						"</Func>" + Environment.NewLine +
						"</FuncXml>" + Environment.NewLine +
						"</CustomTypesTable>" + Environment.NewLine +
						"</CustomTypesData>" + Environment.NewLine;
			
			StringReader sr = new StringReader (xml);
			XmlTextReader xr = new XmlTextReader (sr);
			DataTable tbl = new DataTable("CustomTypesTable");
			tbl.Columns.Add("Dummy", typeof(UInt32));
			tbl.Columns.Add("FuncXml", typeof(CustomTypeXml));

			DataSet ds = new DataSet("CustomTypesData");
			ds.Tables.Add(tbl);

			ds.ReadXml(xr);

			Assert.AreEqual (1, ds.Tables["CustomTypesTable"].Rows.Count, "XDR2");
			
			xr.Close ();
		}
		
		[Serializable]
		public class CustomTypeXml : IXmlSerializable
		{
		    private XmlNode mFuncXmlNode;

		    #region Constructors
		    public CustomTypeXml()
		    {
		    }

		    public CustomTypeXml(string str)
		    {
		        XmlDocument doc = new XmlDocument();
		        doc.LoadXml(str);
		        mFuncXmlNode = (XmlNode)(doc.DocumentElement);
		    }

		    public CustomTypeXml(XmlNode xNode)
		    {
		        mFuncXmlNode = xNode;
		    }
		    #endregion

		    #region Node (set/get)
		    public XmlNode Node
		    {
		        get
		        {
		            return mFuncXmlNode;
		        }
		        set
		        {
		            this.mFuncXmlNode = value;
		        }
		    }
		    #endregion
		    #region ToString
		    public override string ToString()
		    {
		        return this.Node.OuterXml;
		    }
		    #endregion

		    /* IXmlSerializable overrides */
		    #region WriteXml
		    void IXmlSerializable.WriteXml(XmlWriter writer)
		    {
		        XmlDocument doc = new XmlDocument();
		        doc.LoadXml(mFuncXmlNode.OuterXml);

		        // On function level
		        if (doc.DocumentElement.Name == "Func")
		        {
		            try { doc.DocumentElement.Attributes.Remove(doc.DocumentElement.Attributes["ReturnType"]); }
		            catch { }
		            try { doc.DocumentElement.Attributes.Remove(doc.DocumentElement.Attributes["ReturnTId"]); }
		            catch { }
		            try { doc.DocumentElement.Attributes.Remove(doc.DocumentElement.Attributes["CSharpType"]); }
		            catch { }
		        }
		        else
		        {
		            UpgradeSchema(doc.DocumentElement);
		        }

		        // Make sure lrt is saved according to latest schema
		        foreach (XmlNode n in doc.DocumentElement.ChildNodes)
		        {
		            UpgradeSchema(n);
		        }

		        doc.WriteTo(writer);
		    }
		    #endregion
		    #region ReadXml
		    void IXmlSerializable.ReadXml(XmlReader reader)
		    {
		        XmlDocument doc = new XmlDocument();
		        string str = reader.ReadString();
		        try
		        {
		            doc.LoadXml(str);
		        }
		        catch
		        {
		            doc.LoadXml(reader.ReadOuterXml());
		        }
		        mFuncXmlNode = (XmlNode)(doc.DocumentElement);
		    }
		    #endregion
		    #region GetSchema
		    XmlSchema IXmlSerializable.GetSchema()
		    {
		        return (null);
		    }
		    #endregion

		    /* Private utils */
		    #region private UpgradeSchema
		    private void UpgradeSchema(XmlNode xNode)
		    {
		        // Attribute removals (cleanup)
		        try { xNode.Attributes.Remove(xNode.Attributes["TId"]); }
		        catch { }
		        try { xNode.Attributes.Remove(xNode.Attributes["OnError"]); }
		        catch { }
		        try { xNode.Attributes.Remove(xNode.Attributes["Check"]); }
		        catch { }
		        try { xNode.Attributes.Remove(xNode.Attributes["ParamType"]); }
		        catch { }
		        try { xNode.Attributes.Remove(xNode.Attributes["RealLen"]); }
		        catch { }

		        // Attribute removals (order)
		        try
		        {
		            XmlAttribute attr = xNode.Attributes["IsExpGetRef"];
		            xNode.Attributes.Remove(xNode.Attributes["IsExpGetRef"]);
		            xNode.Attributes.InsertAfter(attr, xNode.Attributes["ExpectedValue"]);
		        }
		        catch { }

		        // Attribute value formats (prefix, etc.)
		        string tmp = xNode.Attributes["HandleInput"].Value;
		        tmp = tmp.Replace("E_LRT_INPUT_HANDLE_", "");
		        xNode.Attributes["HandleInput"].Value = tmp;

		        foreach (XmlNode n in xNode.ChildNodes)
		        {
		            UpgradeSchema(n);
		        }
		    }
		    #endregion
		}	
	}
}