/*******************************************************************************
 * You may amend and distribute as you like, but don't remove this header!
 *
 * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
 * See http://www.codeplex.com/EPPlus for details.
 *
 * Copyright (C) 2011  Jan Källman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library 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 Lesser General Public License for more details.
 *
 * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
 * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
 *
 * All code and executables are provided "as is" with no warranty either express or implied. 
 * The author accepts no liability for any damage or loss of business that this product may cause.
 *
 * Code change notes:
 * 
 * Author							Change						Date
 * ******************************************************************************
 * Jan Källman		Initial Release		        2009-10-01
 * Jan Källman		License changed GPL-->LGPL 2011-12-16
 *******************************************************************************/
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using System.Xml;
using System.Drawing;

namespace OfficeOpenXml.Drawing.Chart
{
    /// <summary>
    /// A serie for a line chart
    /// </summary>
    public sealed class ExcelLineChartSerie : ExcelChartSerie
    {
        /// <summary>
        /// Default constructor
        /// </summary>
        /// <param name="chartSeries">Parent collection</param>
        /// <param name="ns">Namespacemanager</param>
        /// <param name="node">Topnode</param>
        /// <param name="isPivot">Is pivotchart</param>
        internal ExcelLineChartSerie(ExcelChartSeries chartSeries, XmlNamespaceManager ns, XmlNode node, bool isPivot) :
            base(chartSeries, ns, node, isPivot)
        {
        }
        ExcelChartSerieDataLabel _DataLabel = null;
        /// <summary>
        /// Datalabels
        /// </summary>
        public ExcelChartSerieDataLabel DataLabel
        {
            get
            {
                if (_DataLabel == null)
                {
                    _DataLabel = new ExcelChartSerieDataLabel(_ns, _node);
                }
                return _DataLabel;
            }
        }
        const string markerPath = "c:marker/c:symbol/@val";
        /// <summary>
        /// Marker symbol 
        /// </summary>
        public eMarkerStyle Marker
        {
            get
            {
                string marker = GetXmlNodeString(markerPath);
                if (marker == "")
                {
                    return eMarkerStyle.None;
                }
                else
                {
                    return (eMarkerStyle)Enum.Parse(typeof(eMarkerStyle), marker, true);
                }
            }
            set
            {
                SetXmlNodeString(markerPath, value.ToString().ToLower(CultureInfo.InvariantCulture));
            }
        }
        const string smoothPath = "c:smooth/@val";
        /// <summary>
        /// Smoth lines
        /// </summary>
        public bool Smooth
        {
            get
            {
                return GetXmlNodeBool(smoothPath, false);
            }
            set
            {
                SetXmlNodeBool(smoothPath, value);
            }
        }

        //new properties for excel line charts: LineColor, MarkerSize, LineWidth and MarkerLineColor 
        //implemented according to https://epplus.codeplex.com/discussions/287917
        string LINECOLOR_PATH = "c:spPr/a:ln/a:solidFill/a:srgbClr/@val";
        /// <summary>
        /// Line color.
        /// </summary>
        ///
        /// <value>
        /// The color of the line.
        /// </value>
        public Color LineColor
        {
            get
            {
                string color = GetXmlNodeString(LINECOLOR_PATH);
                if (color == "")
                {
                    return Color.Black;
                }
                else
                {
                    return Color.FromArgb(Convert.ToInt32(color, 16));
                }
            }
            set
            {
                SetXmlNodeString(LINECOLOR_PATH, value.ToArgb().ToString("X").Substring(2), true);
            }
        }
        string MARKERSIZE_PATH = "c:marker/c:size/@val";
        /// <summary>
        /// Gets or sets the size of the marker.
        /// </summary>
        ///
        /// <remarks>
        /// value between 2 and 72.
        /// </remarks>
        ///
        /// <value>
        /// The size of the marker.
        /// </value>
        public int MarkerSize
        {
            get
            {
                string size = GetXmlNodeString(MARKERSIZE_PATH);
                if (size == "")
                {
                    return 5;
                }
                else
                {
                    return Int32.Parse(GetXmlNodeString(MARKERSIZE_PATH));
                }
            }
            set
            {
                int size = value;
                size = Math.Max(2, size);
                size = Math.Min(72, size);
                SetXmlNodeString(MARKERSIZE_PATH, size.ToString(), true);
            }
        }
        string LINEWIDTH_PATH = "c:spPr/a:ln/@w";
        /// <summary>
        /// Gets or sets the width of the line in pt.
        /// </summary>
        ///
        /// <value>
        /// The width of the line.
        /// </value>
        public double LineWidth
        {
            get
            {
                string size = GetXmlNodeString(LINEWIDTH_PATH);
                if (size == "")
                {
                    return 2.25;
                }
                else
                {
                    return double.Parse(GetXmlNodeString(LINEWIDTH_PATH)) / 12700;
                }
            }
            set
            {
                SetXmlNodeString(LINEWIDTH_PATH, (( int )(12700 * value)).ToString(), true);
            }
        }
        //marker line color
        string MARKERLINECOLOR_PATH = "c:marker/c:spPr/a:ln/a:solidFill/a:srgbClr/@val";
        /// <summary>
        /// Marker Line color. 
        /// (not to be confused with LineColor)
        /// </summary>
        ///
        /// <value>
        /// The color of the Marker line.
        /// </value>
        public Color MarkerLineColor
        {
            get
            {
                string color = GetXmlNodeString(MARKERLINECOLOR_PATH);
                if (color == "")
                {
                    return Color.Black;
                }
                else
                {
                    return Color.FromArgb(Convert.ToInt32(color, 16));
                }
            }
            set
            {
                SetXmlNodeString(MARKERLINECOLOR_PATH, value.ToArgb().ToString("X").Substring(2), true);
            }
        }


    }
}
