// Copyright (C) Stichting Deltares 2017. All rights reserved.
//
// This file is part of the DAM Engine.
//
// The DAM Engine is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero 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 System.Collections.Generic;
using Deltares.DamEngine.Data.General;
using Deltares.DamEngine.Data.Standard;

namespace Deltares.DamEngine.Calculators.General
{
    public struct Geometry2DLayer
    {
        public Geometry2DBoundaryLine boundaryLine;
        public String soilName;
        public LayerType layerType;
    }

    public class Geometry2DDataException : ApplicationException
    {
        public Geometry2DDataException(string message): base(message)
        {
        }
    }

    public class Geometry2DData
    {

        private List<Geometry2DLayer> layers = new List<Geometry2DLayer>();
        private double tolerance = 0.0000000001;

        public Geometry2DData()
        {

        }

        public int LayerCount { get { return layers.Count; } }

        public double Tolerance
        {
            get { return tolerance; }
            set { tolerance = value; }
        }

        public void AddLayer(Geometry2DLayer layer)
        {
            layers.Add(layer);
        }

        public Geometry2DLayer GetLayer(int index)
        {
            return layers[index];
        }

        public void SetLayertype(int layerIndex, LayerType layerType)
        {
            Geometry2DLayer layer = layers[layerIndex];
            layer.layerType = layerType;
            layers[layerIndex] = layer;
        }
        public void Validate()
        {
            if (layers.Count > 1)
            {
                double limitLeft = layers[0].boundaryLine.Points[0].X;
                double limitRight = layers[0].boundaryLine.Points[layers[0].boundaryLine.Points.Count - 1].X;
                foreach (Geometry2DLayer layer in layers)
                {
                    if (!layer.boundaryLine.Points[0].X.AlmostEquals(limitLeft, tolerance) ||
                        !layer.boundaryLine.Points[layer.boundaryLine.Points.Count - 1].X.AlmostEquals(limitRight, tolerance))
                    {
                        throw new Geometry2DDataException("Boundary lines are not aligned");
                    }
                }
            }
        }
    }
}