//-----------------------------------------------------------------------
// <copyright file="DAMMStabGeometry2DDataAssembler.cs" company="Deltares">
//  Copyright (c) 2011 Deltares. All rights reserved.
// </copyright>
// <author>B.S.T.I.M. The</author>
// <email>tom.the@deltares.nl</email>
// <date>21-11-2011</date>
// <summary>xml file reader (Geometry2DData) for DGSMStabDam.dll</summary>
//-----------------------------------------------------------------------
using Deltares.Geotechnics;
using Deltares.Geotechnics.Soils;
using Deltares.Standard.IO.DtoAssembler;

namespace Deltares.Dam.Data.Assemblers
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Xml.Linq;
    using Deltares.Standard;

    /// <summary>
    /// 
    /// </summary>    
    public class DAMMStabGeometry2DDataAssembler : DtoDocumentAssembler<Geometry2DData, Geometry2DData>
    {
        #region Constant declarations

        #endregion
        /// <summary>
        /// Holds the xml element name
        /// </summary>
        public const string XmlElementNameGeometry2DData = "Geometry2DData";

        /// <summary>
        /// Holds the Geometry2DData xml element and attribute names
        /// </summary>
        public const string XmlElementGeometry2DData = "Geometry2DData";
        public const string XmlElementBoundary = "Boundary";
        public const string XmlAttributeBoundaryIndex = "BoundaryIndex";
        public const string XmlAttributeSoilname = "Soilname";
        public const string XmlElementSurfacePoint = "SurfacePoint";
        public const string XmlAttributeXCoord = "XCoord";
        public const string XmlAttributeYCoord = "YCoord";

        /// <summary>
        /// 
        /// </summary>
        public DAMMStabGeometry2DDataAssembler() :
            base(DamMStabAssembler.XmlElementName, DamMStabAssembler.XmlElementNamespace, DamMStabAssembler.XsdEmbeddedResourcePath)
        {
        }

        public override XDocument CreateDataTransferObject(Geometry2DData geometry2DData)
        {
            var doc = base.CreateDataTransferObject(geometry2DData);
            XNamespace tns = ElementNamespace;
            XNamespace tnsb = XmlElementNameGeometry2DData;

            // Geometry2DData
            XElement geometry2DDataElement = GetGeometry2DDataElement(geometry2DData, tns);
            doc.Root.Add(geometry2DDataElement);


            return doc;
        }

        /// <summary>
        /// Assembles the GeometryCreationOptions element 
        /// </summary>
        /// <param name="damCalculation"></param>
        /// <param name="tnsb"></param>
        /// <returns></returns>
        private static XElement GetGeometry2DDataElement(Geometry2DData geometry2DData, XNamespace tnsb)
        {
            return null;
        }


        // Assembles the layer elements for the profile
        private static void GetProfileLayersElement(SoilProfile1D profile, XNamespace tnsa, XElement layersElement)
        {
            foreach (var layer in profile.Layers)
            {
                if (layer.Id == null)
                    layer.Id = profile.GetNewUniqueLayerId();

                var layerElement = new XElement(tnsa + DamMStabAssembler.XmlElementLayer);
                layersElement.Add(layerElement);
                layerElement.Add(new XAttribute(DamMStabAssembler.XmlAttributeID, String.Format("{0}", layer.Id)));
                layerElement.Add(new XAttribute(DamMStabAssembler.XmlAttributeSoilID, layer.Soil.Name));
                layerElement.Add(new XAttribute(DamMStabAssembler.XmlAttributeTopLevel, layer.TopLevel));
            }
        }

        public override Geometry2DData CreateOutputObject(XDocument dtoDocument)
        {
            var geometry2DData = new Geometry2DData();
            // Get the dto
            XElement dto = (from x in dtoDocument.Descendants()
                            where x.Name.LocalName == DAMMStabGeometry2DDataAssembler.XmlElementGeometry2DData
                            select x).FirstOrDefault();

            IEnumerable<XElement> layerCollection = (from x in dtoDocument.Descendants()
                                                     where x.Name.LocalName == DAMMStabGeometry2DDataAssembler.XmlElementBoundary
                                                     select x);
            foreach (XElement layerElement in layerCollection)
            {
                var geometry2DLayer = new Geometry2DLayer();
                if (layerElement.Attribute(DAMMStabGeometry2DDataAssembler.XmlAttributeSoilname) != null)
                {
                    geometry2DLayer.soilName = layerElement.AttributeAs<string>(DAMMStabGeometry2DDataAssembler.XmlAttributeSoilname);
                }
                else
                {
                    geometry2DLayer.soilName = "";
                }
                IEnumerable<XElement> surfacePointCollection = (from x in layerElement.Descendants()
                                                                where x.Name.LocalName == DAMMStabGeometry2DDataAssembler.XmlElementSurfacePoint
                                                                select x);
                var boundaryLine = new Geometry2DBoundaryLine();
                foreach (XElement surfacePointElement in surfacePointCollection)
                {
                    var point = new Geometry2DPoint();
                    point.X = surfacePointElement.AttributeAs<double>(DAMMStabGeometry2DDataAssembler.XmlAttributeXCoord);
                    point.Z = surfacePointElement.AttributeAs<double>(DAMMStabGeometry2DDataAssembler.XmlAttributeYCoord);
                    boundaryLine.Points.Add(point);
                }
                geometry2DLayer.boundaryLine = boundaryLine;
                geometry2DData.AddLayer(geometry2DLayer);
            }
            return geometry2DData;
        }
    }
}