/*
 * 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 System;
using QuantConnect.Data.Fundamental;
using QuantConnect.Interfaces;

namespace QuantConnect.Data.UniverseSelection
{
    /// <summary>
    /// 
    /// </summary>
    public interface IFundamentalDataProvider
    {
        /// <summary>
        /// Initializes the service
        /// </summary>
        /// <param name="dataProvider">The data provider instance to use</param>
        /// <param name="liveMode">True if running in live mode</param>
        void Initialize(IDataProvider dataProvider, bool liveMode);

        /// <summary>
        /// Will fetch the requested fundamental information for the requested time and symbol
        /// </summary>
        /// <typeparam name="T">The expected data type</typeparam>
        /// <param name="time">The time to request this data for</param>
        /// <param name="securityIdentifier">The security identifier</param>
        /// <param name="name">The name of the fundamental property</param>
        /// <returns>The fundamental information</returns>
        T Get<T>(DateTime time, SecurityIdentifier securityIdentifier, FundamentalProperty name);
    }
}