/*
 * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
 * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
 *
 * 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 Python.Runtime;
using QuantConnect.Brokerages;

namespace QuantConnect.Python.Wrappers
{
    /// <summary>
    /// Wrapper for an <see cref = "IBrokerageMessageHandler"/> instance created in Python.
    /// All calls to python should be inside a "using (Py.GIL()) {/* Your code here */}" block.
    /// </summary>
    public class BrokerageMessageHandlerPythonWrapper : IBrokerageMessageHandler
    {
        private readonly IBrokerageMessageHandler _brokerageMessageHandler;

        /// <summary>
        /// <see cref="BrokerageMessageHandlerPythonWrapper"/> constructor.
        /// Wraps the <see cref="IBrokerageMessageHandler"/> object.  
        /// </summary>
        /// <param name="brokerageMessageHandler"><see cref="IBrokerageMessageHandler"/> object to be wrapped</param>
        public BrokerageMessageHandlerPythonWrapper(IBrokerageMessageHandler brokerageMessageHandler)
        {
            _brokerageMessageHandler = brokerageMessageHandler;
        }

        /// <summary>
        /// Wrapper for <see cref="IBrokerageMessageHandler.Handle" /> in Python
        /// </summary>
        public void Handle(BrokerageMessageEvent message)
        {
            using (Py.GIL())
            {
                _brokerageMessageHandler.Handle(message);
            }
        }
    }
}