// Copyright (C) Stichting Deltares 2018. 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 Ringtoets.Common.Data.Hydraulics;
using Ringtoets.Common.Service.MessageProviders;

namespace Ringtoets.Common.Service
{
    /// <summary>
    /// <see cref="CalculatableActivity"/> for running a design water level calculation.
    /// </summary>
    internal class DesignWaterLevelCalculationActivity : CalculatableActivity
    {
        private readonly double norm;
        private readonly string hydraulicBoundaryDatabaseFilePath;
        private readonly string preprocessorDirectory;
        private readonly ICalculationMessageProvider messageProvider;
        private readonly DesignWaterLevelCalculationService calculationService;
        private readonly HydraulicBoundaryLocationCalculation hydraulicBoundaryLocationCalculation;

        /// <summary>
        /// Creates a new instance of <see cref="DesignWaterLevelCalculationActivity"/>.
        /// </summary>
        /// <param name="hydraulicBoundaryLocationCalculation">The hydraulic boundary location calculation to perform.</param>
        /// <param name="hydraulicBoundaryDatabaseFilePath">The hydraulic boundary database file that should be used for performing the calculation.</param>
        /// <param name="preprocessorDirectory">The preprocessor directory.</param>
        /// <param name="norm">The norm to use during the calculation.</param>
        /// <param name="categoryBoundaryName">The category boundary name of the calculation.</param>
        /// <remarks>Preprocessing is disabled when <paramref name="preprocessorDirectory"/> equals <see cref="string.Empty"/>.</remarks>
        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryLocationCalculation"/> is <c>null</c>.</exception>
        /// <exception cref="ArgumentException">Thrown when <paramref name="categoryBoundaryName"/> is <c>null</c> or empty.</exception>
        public DesignWaterLevelCalculationActivity(HydraulicBoundaryLocationCalculation hydraulicBoundaryLocationCalculation,
                                                   string hydraulicBoundaryDatabaseFilePath,
                                                   string preprocessorDirectory,
                                                   double norm,
                                                   string categoryBoundaryName)
            : base(hydraulicBoundaryLocationCalculation)
        {
            messageProvider = new DesignWaterLevelCalculationMessageProvider(categoryBoundaryName);

            this.hydraulicBoundaryLocationCalculation = hydraulicBoundaryLocationCalculation;
            this.hydraulicBoundaryDatabaseFilePath = hydraulicBoundaryDatabaseFilePath;
            this.preprocessorDirectory = preprocessorDirectory;
            this.norm = norm;

            calculationService = new DesignWaterLevelCalculationService();

            Description = messageProvider.GetActivityDescription(hydraulicBoundaryLocationCalculation.HydraulicBoundaryLocation.Name);
        }

        protected override bool Validate()
        {
            return calculationService.Validate(hydraulicBoundaryDatabaseFilePath,
                                               preprocessorDirectory,
                                               norm);
        }

        protected override void PerformCalculation()
        {
            calculationService.Calculate(hydraulicBoundaryLocationCalculation,
                                         new HydraulicBoundaryCalculationSettings(string.Empty, string.Empty, string.Empty),
                                         norm,
                                         messageProvider);
        }

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

        protected override void OnFinish()
        {
            hydraulicBoundaryLocationCalculation.NotifyObservers();
        }
    }
}