using System.Collections.Generic;

namespace Deltares.Dam.Data.Sensors
{
    /// <summary>
    /// This class is responsible for creating a PL line where the coordinates are sorted on x. 
    /// No logic will be applied on how the PL is constructed. Just a simple data structure with an 
    /// insert method to insert new points.
    /// </summary>
    internal class PLLineConstructor
    {
        readonly IDictionary<double,PLLinePoint> line = new SortedDictionary<double, PLLinePoint>();

        /// <summary>
        /// Inserts the specified point.
        /// </summary>
        /// <remarks>The point will be inserted in the line based on the X value</remarks>
        /// <param name="point">The point.</param>
        public void Insert(PLLinePoint point)
        {
            if (line.ContainsKey(point.X))
                line[point.X] = point;
            else
                line.Add(point.X, point);
        }

        /// <summary>
        /// Inserts the specified point.
        /// </summary>
        /// <remarks>The point will be inserted in the line based on the X value</remarks>
        /// <param name="x">The x.</param>
        /// <param name="z">The z.</param>
        public void Insert(double x, double z)
        {
            Insert(new PLLinePoint(x, z));
        }

        /// <summary>
        /// Gets the PL line from the internal constructed line.
        /// </summary>
        public PLLine CreatePLLine(PLLineType type)
        {
            var plLine = new PLLine() { PLLineType = type };
            foreach (var kvp in line)
            {
                plLine.Points.Add(kvp.Value);
            }
            return plLine;
        }
    }
}