/*
 * 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.
*/

namespace QuantConnect.Securities
{
    /// <summary>
    /// Provides a buying power model considers that there is sufficient buying power for all orders
    /// </summary>
    public class NullBuyingPowerModel : BuyingPowerModel
    {
        /// <summary>
        /// Gets the margin currently allocated to the specified holding
        /// </summary>
        /// <param name="parameters">An object containing the security</param>
        /// <returns>The maintenance margin required for the provided holdings quantity/cost/value</returns>
        public override MaintenanceMargin GetMaintenanceMargin(MaintenanceMarginParameters parameters)
        {
            return new MaintenanceMargin(decimal.Zero);
        }

        /// <summary>
        /// Check if there is sufficient buying power to execute this order.
        /// </summary>
        /// <param name="parameters">An object containing the portfolio, the security and the order</param>
        /// <returns>Returns buying power information for an order</returns>
        public override HasSufficientBuyingPowerForOrderResult HasSufficientBuyingPowerForOrder(HasSufficientBuyingPowerForOrderParameters parameters)
        {
            return parameters.Sufficient();
        }
    }
}