// Copyright (C) Stichting Deltares 2017. 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.Collections.Generic;
using System.Linq;
using Core.Common.Base;
using Ringtoets.Common.Forms.ChangeHandlers;
using Ringtoets.Common.Service;
using Ringtoets.GrassCoverErosionOutwards.Data;
using Ringtoets.GrassCoverErosionOutwards.Forms.Properties;

namespace Ringtoets.GrassCoverErosionOutwards.Forms
{
    /// <summary>
    /// Class which properly handles data model changes due to a change of a
    /// grass cover erosion outwards failure mechanism property.
    /// </summary>
    public class GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler : FailureMechanismPropertyChangeHandler<GrassCoverErosionOutwardsFailureMechanism>
    {
        protected override string ConfirmationMessage
        {
            get
            {
                return Resources.GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler_Confirm_change_composition_and_clear_dependent_data;
            }
        }

        protected override bool RequiresConfirmation(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
        {
            return base.RequiresConfirmation(failureMechanism) ||
                   failureMechanism.HydraulicBoundaryLocations.Any(c => c.WaveHeightOutput != null || c.DesignWaterLevelOutput != null);
        }

        protected override IEnumerable<IObservable> PropertyChanged(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
        {
            var affectedObjects = new List<IObservable>(base.PropertyChanged(failureMechanism));

            IEnumerable<IObservable> affectedLocations = RingtoetsCommonDataSynchronizationService.ClearHydraulicBoundaryLocationOutput(
                failureMechanism.HydraulicBoundaryLocations);

            if (affectedLocations.Any())
            {
                affectedObjects.Add(failureMechanism.HydraulicBoundaryLocations);
            }
            return affectedObjects;
        }
    }
}