// Copyright (C) Stichting Deltares 2016. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using Core.Common.Base.Service;
using Ringtoets.Common.Service.MessageProviders;
using Ringtoets.HydraRing.Calculation.Activities;
using Ringtoets.HydraRing.Data;

namespace Ringtoets.Common.Service
{
    /// <summary>
    /// <see cref="Activity"/> for running a design water level calculation.
    /// </summary>
    public class DesignWaterLevelCalculationActivity : HydraRingActivityBase
    {
        private readonly HydraulicBoundaryLocation hydraulicBoundaryLocation;
        private readonly double norm;
        private readonly string hydraulicBoundaryDatabaseFilePath;
        private readonly string ringId;
        private readonly ICalculationMessageProvider messageProvider;
        private readonly DesignWaterLevelCalculationService calculationService;

        /// <summary>
        /// Creates a new instance of <see cref="DesignWaterLevelCalculationActivity"/>.
        /// </summary>
        /// <param name="hydraulicBoundaryLocation">The <see cref="HydraulicBoundaryLocation"/> to perform the calculation for.</param>
        /// <param name="hydraulicBoundaryDatabaseFilePath">The HLCD file that should be used for performing the calculation.</param>
        /// <param name="ringId">The id of the ring to perform the calculation for.</param>
        /// <param name="norm">The norm to use during the calculation.</param>
        /// <param name="messageProvider">The provider of the messages to use during the calculation.</param>
        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocation"/> is <c>null</c>.</exception>
        public DesignWaterLevelCalculationActivity(HydraulicBoundaryLocation hydraulicBoundaryLocation,
                                                   string hydraulicBoundaryDatabaseFilePath,
                                                   string ringId,
                                                   double norm,
                                                   ICalculationMessageProvider messageProvider)
        {
            if (hydraulicBoundaryLocation == null)
            {
                throw new ArgumentNullException("hydraulicBoundaryLocation");
            }

            if (messageProvider == null)
            {
                throw new ArgumentNullException("messageProvider");
            }

            this.hydraulicBoundaryLocation = hydraulicBoundaryLocation;
            this.messageProvider = messageProvider;
            this.hydraulicBoundaryDatabaseFilePath = hydraulicBoundaryDatabaseFilePath;
            this.ringId = ringId;
            this.norm = norm;

            calculationService = new DesignWaterLevelCalculationService();

            Name = messageProvider.GetActivityName(hydraulicBoundaryLocation.Name);
        }

        protected override bool Validate()
        {
            return calculationService.Validate(
                hydraulicBoundaryLocation.Name,
                hydraulicBoundaryDatabaseFilePath,
                messageProvider);
        }

        protected override void PerformCalculation()
        {
            if (!double.IsNaN(hydraulicBoundaryLocation.DesignWaterLevel))
            {
                State = ActivityState.Skipped;
            }
            else
            {
                calculationService.Calculate(
                    hydraulicBoundaryLocation,
                    hydraulicBoundaryDatabaseFilePath,
                    ringId,
                    norm,
                    messageProvider);
            }
        }

        protected override void OnCancel()
        {
            calculationService.Cancel();
        }

        protected override void OnFinish()
        {
            // hydraulicBoundaryLocation.NotifyObservers();
        }
    }
}