/*
 * Copyright © 2011, Petro Protsyk, Denys Vuika
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Collections.Generic;

namespace Scripting.SSharp.Runtime
{
  /// <summary>
  /// Base implementation of IScopeFactory interface. Creates instances of defined scope types
  /// </summary>
  public class ScopeFactory : IScopeFactory
  {
    private readonly Dictionary<int, IScopeActivator> _scopeTypes = new Dictionary<int, IScopeActivator>();

    public void RegisterType(int id, IScopeActivator instance)
    {
      if (_scopeTypes.ContainsKey(id))
      {
        _scopeTypes[id] = instance;
      }
      else
      {
        _scopeTypes.Add(id, instance);
      }
    }

    public void RegisterType(ScopeTypes id, IScopeActivator instance)
    {
      RegisterType((int)id, instance);
    }

    public IScriptScope Create()
    {
      return Create((int)ScopeTypes.Default);
    }

    public IScriptScope Create(ScopeTypes id)
    {
      return Create((int)id);
    }

    public IScriptScope Create(ScopeTypes id, params object[] args)
    {
      return Create((int)id, args);
    }

    public IScriptScope Create(int id, params object[] args)
    {
      return Create(id, null, args);
    }

    public IScriptScope Create(ScopeTypes id, IScriptScope parent)
    {
      return Create((int)id, parent);
    }

    public IScriptScope Create(ScopeTypes id, IScriptScope parent, params object[] args)
    {
      return Create((int)id, parent, args);
    }

    public IScriptScope Create(int id, IScriptScope parent, params object[] args)
    {
      return _scopeTypes[id].Create(parent, args);
    }
  }

}