// Copyright (C) Stichting Deltares 2025. All rights reserved.
// 
// This file is part of the application DAM - UI.
// 
// DAM - UI 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 System.Collections.Generic;
using System.Linq;
using System.Xml.Serialization;
using Deltares.Geometry;
using Deltares.Standard;

namespace Deltares.Dam.Data;

public class PLLinePoint : GeometryPoint
{
    public PLLinePoint() : this(0, 0) {}

    public PLLinePoint(double aX, double aZ) : base(aX, 0, aZ) {}
}

public class PLLine : PolyLine<PLLinePoint>, ICloneable<PLLine>
{
    private PLLineType plLineType;

    [XmlIgnore]
    public PLLineType PLLineType
    {
        get
        {
            return plLineType;
        }
        set
        {
            plLineType = value;
            PLLineTypeSpecified = true;
        }
    }

    [XmlIgnore] public bool PLLineTypeSpecified { get; private set; }

    public bool IsPhreatic { get; set; }

    public int BoundaryLayer { get; set; }

    /// <summary>
    /// Gets the points in the segment between starting x and ending x
    /// </summary>
    /// <remarks>
    /// </remarks>
    /// <param name="startX"></param>
    /// <param name="endX"></param>
    /// <returns></returns>
    public IEnumerable<PLLinePoint> GetPointSegmentBetween(double startX, double endX)
    {
        if (endX < startX)
        {
            throw new ArgumentException("End value is smaller then the start value");
        }

        return from point in PointsOrderdByX
               where point != null && (point.X > startX && point.X < endX)
               orderby point.X
               select point;
    }

    /// <summary>
    /// Determines whether the given point is above, beneath or on the surfaceline.
    /// </summary>
    /// <param name="point"></param>
    /// <returns></returns>
    public PLLinePointPositionXzType PositionXzOfPointRelatedToPLLine(GeometryPoint point)
    {
        // if point is out of scope of the surface line, return beyond
        if ((point.X < points[0].X) || (point.X > points[points.Count - 1].X))
        {
            return PLLinePointPositionXzType.BeyondPLLine;
        }

        double z = ZFromX(point.X);
        if (Math.Abs(point.Z - z) < GeometryPoint.Precision)
        {
            return PLLinePointPositionXzType.OnPLLine;
        }

        if (point.Z > z)
        {
            return PLLinePointPositionXzType.AbovePLLine;
        }

        return PLLinePointPositionXzType.BelowPLLine;
    }

    public PLLine Clone()
    {
        var plLine = new PLLine
        {
            IsPhreatic = IsPhreatic,
            BoundaryLayer = BoundaryLayer
        };
        foreach (PLLinePoint point in Points)
        {
            var newPoint = new PLLinePoint
            {
                X = point.X,
                Y = point.Y,
                Z = point.Z
            };
            plLine.Points.Add(newPoint);
        }

        return plLine;
    }

    private IEnumerable<PLLinePoint> PointsOrderdByX
    {
        get
        {
            return Points.OrderBy(p => p.X);
        }
    }
}