/*
 * 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 Newtonsoft.Json;
using Python.Runtime;
using QuantConnect.Commands;
using QuantConnect.Interfaces;
using System.Collections.Generic;

namespace QuantConnect.Python
{
    /// <summary>
    /// Python wrapper for a python defined command type
    /// </summary>
    public class CommandPythonWrapper : BasePythonWrapper<Command>
    {
        /// <summary>
        /// Constructor for initialising the <see cref="CommandPythonWrapper"/> class with wrapped <see cref="PyObject"/> object
        /// </summary>
        /// <param name="type">Python command type</param>
        /// <param name="data">Command data</param>
        public CommandPythonWrapper(PyObject type, string data)
            : base(validateInterface: false)
        {
            using var _ = Py.GIL();

            var instance = type.Invoke();

            SetPythonInstance(instance);
            foreach (var kvp in JsonConvert.DeserializeObject<Dictionary<string, object>>(data))
            {
                SetProperty(kvp.Key, kvp.Value);
            }
        }

        /// <summary>
        /// Run this command using the target algorithm
        /// </summary>
        /// <param name="algorithm">The algorithm instance</param>
        /// <returns>True if success, false otherwise. Returning null will disable command feedback</returns>
        public bool? Run(IAlgorithm algorithm)
        {
            var result = InvokeMethod(nameof(Run), algorithm);
            if (result.TryConvert<bool?>(out var success))
            {
                return success;
            }
            return null;
        }
    }
}