// Copyright © 2008, 2010, Oracle and/or its affiliates. All rights reserved.
//
// MySQL for Visual Studio is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Diagnostics;

namespace MySql.Data.VisualStudio.DbObjects
{
  class ObjectHelper
  {
    public static bool AreEqual(object one, object two)
    {
      if (one == null && two != null) return false;
      if (one != null && two == null) return false;
      Type firstType = one.GetType();
      Type secondType = two.GetType();

      PropertyInfo[] properties = firstType.GetProperties(BindingFlags.Instance | BindingFlags.Public);
      foreach (PropertyInfo property in properties)
      {
        object firstValue = property.GetValue(one, null);
        if (!(firstValue is IComparable)) continue;

        object secondValue = property.GetValue(two, null);
        if (!firstValue.Equals(secondValue)) return false;
      }
      return true;
    }

    public static void Copy(object from, object to)
    {
      Type firstType = from.GetType();
      Type secondType = to.GetType();

      PropertyInfo[] properties = firstType.GetProperties(
          BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.SetProperty);
      foreach (PropertyInfo property in properties)
      {
        if (!property.CanWrite) continue;
        object firstValue = property.GetValue(from, null);
        property.SetValue(to, firstValue, null);
      }
    }
  }
}
