/*
 * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
 * Lean Algorithmic Trading Engine v2.0. Copyright 2023 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 System.Linq;
using Python.Runtime;
using Newtonsoft.Json;
using System.Collections.Generic;
using QuantConnect.Data.UniverseSelection;

namespace QuantConnect.Data.Fundamental
{
    /// <summary>
    /// An item on the cash flow statement that reports the aggregate change in a company's cash position resulting from any gains (or losses) from investments in the financial markets and operating subsidiaries, and changes resulting from amounts spent on investments in capital assets such as plant and equipment.
    /// </summary>
    public class InvestingCashFlowCashFlowStatement : MultiPeriodField
    {
        /// <summary>
        /// The default period
        /// </summary>
        protected override string DefaultPeriod => "TwelveMonths";

        /// <summary>
        /// Gets/sets the OneMonth period value for the field
        /// </summary>
        [JsonProperty("1M")]
        public double OneMonth => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_OneMonth);

        /// <summary>
        /// Gets/sets the TwoMonths period value for the field
        /// </summary>
        [JsonProperty("2M")]
        public double TwoMonths => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_TwoMonths);

        /// <summary>
        /// Gets/sets the ThreeMonths period value for the field
        /// </summary>
        [JsonProperty("3M")]
        public double ThreeMonths => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_ThreeMonths);

        /// <summary>
        /// Gets/sets the SixMonths period value for the field
        /// </summary>
        [JsonProperty("6M")]
        public double SixMonths => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_SixMonths);

        /// <summary>
        /// Gets/sets the NineMonths period value for the field
        /// </summary>
        [JsonProperty("9M")]
        public double NineMonths => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_NineMonths);

        /// <summary>
        /// Gets/sets the TwelveMonths period value for the field
        /// </summary>
        [JsonProperty("12M")]
        public double TwelveMonths => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_TwelveMonths);

        /// <summary>
        /// Returns true if the field contains a value for the default period
        /// </summary>
        public override bool HasValue => !BaseFundamentalDataProvider.IsNone(typeof(double), FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_TwelveMonths));

        /// <summary>
        /// Returns the default value for the field
        /// </summary>
        public override double Value
        {
            get
            {
                var defaultValue = FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, FundamentalProperty.FinancialStatements_CashFlowStatement_InvestingCashFlow_TwelveMonths);
                if (!BaseFundamentalDataProvider.IsNone(typeof(double), defaultValue))
                {
                    return defaultValue;
                }
                return base.Value;
            }
        }

        /// <summary>
        /// Gets a dictionary of period names and values for the field
        /// </summary>
        /// <returns>The dictionary of period names and values</returns>
        public override IReadOnlyDictionary<string, double> GetPeriodValues()
        {
            var result = new Dictionary<string, double>();
            foreach (var kvp in new[] { new Tuple<string, double>("1M",OneMonth), new Tuple<string, double>("2M",TwoMonths), new Tuple<string, double>("3M",ThreeMonths), new Tuple<string, double>("6M",SixMonths), new Tuple<string, double>("9M",NineMonths), new Tuple<string, double>("12M",TwelveMonths) })
            {
                if(!BaseFundamentalDataProvider.IsNone(typeof(double), kvp.Item2))
                {
                    result[kvp.Item1] = kvp.Item2;
                }
            }
            return result;
        }

        /// <summary>
        /// Gets the value of the field for the requested period
        /// </summary>
        /// <param name="period">The requested period</param>
        /// <returns>The value for the period</returns>
        public override double GetPeriodValue(string period) => FundamentalService.Get<double>(TimeProvider.GetUtcNow(), SecurityIdentifier, Enum.Parse<FundamentalProperty>($"FinancialStatements_CashFlowStatement_InvestingCashFlow_{ConvertPeriod(period)}"));

        /// <summary>
        /// Creates a new empty instance
        /// </summary>
        public InvestingCashFlowCashFlowStatement()
        {
        }

        /// <summary>
        /// Creates a new instance for the given time and security
        /// </summary>
        public InvestingCashFlowCashFlowStatement(ITimeProvider timeProvider, SecurityIdentifier securityIdentifier) : base(timeProvider, securityIdentifier)
        {
        }
    }
}