﻿/*******************************************************************************
 * 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.Xml;

namespace OfficeOpenXml.Style.XmlAccess;

/// <summary>
/// Xml access class for named styles
/// </summary>
public sealed class ExcelNamedStyleXml : StyleXmlHelper {
  private readonly ExcelStyles _styles;

  internal ExcelNamedStyleXml(XmlNamespaceManager nameSpaceManager, ExcelStyles styles)
      : base(nameSpaceManager) {
    _styles = styles;
    BuildInId = int.MinValue;
  }

  internal ExcelNamedStyleXml(
      XmlNamespaceManager nameSpaceManager,
      XmlNode topNode,
      ExcelStyles styles)
      : base(nameSpaceManager, topNode) {
    StyleXfId = GetXmlNodeInt(_idPath);
    Name = GetXmlNodeString(_namePath);
    BuildInId = GetXmlNodeInt(_buildInIdPath);
    CustomBuildin = GetXmlNodeBool(_customBuiltinPath);

    _styles = styles;
    _style = new(styles, styles.NamedStylePropertyChange, -1, Name, _styleXfId);
  }

  internal override string Id => Name;

  private int _styleXfId;
  private const string _idPath = "@xfId";

  /// <summary>
  /// Named style index
  /// </summary>
  public int StyleXfId {
    get => _styleXfId;
    set => _styleXfId = value;
  }

  private int _xfId = int.MinValue;

  /// <summary>
  /// Style index
  /// </summary>
  internal int XfId {
    get => _xfId;
    set => _xfId = value;
  }

  private const string _buildInIdPath = "@builtinId";

  public int BuildInId { get; set; }

  private const string _customBuiltinPath = "@customBuiltin";

  public bool CustomBuildin { get; set; }

  private const string _namePath = "@name";
  private string _name;

  /// <summary>
  /// Name of the style
  /// </summary>
  public string Name {
    get => _name;
    internal set => _name = value;
  }

  private ExcelStyle _style;

  /// <summary>
  /// The style object
  /// </summary>
  public ExcelStyle Style {
    get => _style;
    internal set => _style = value;
  }

  internal override XmlNode CreateXmlNode(XmlNode topNode) {
    TopNode = topNode;
    SetXmlNodeString(_namePath, _name);
    SetXmlNodeString("@xfId", _styles.CellStyleXfs[StyleXfId].newID.ToString());
    if (BuildInId >= 0) {
      SetXmlNodeString("@builtinId", BuildInId.ToString());
    }
    if (CustomBuildin) {
      SetXmlNodeBool(_customBuiltinPath, true);
    }
    return TopNode;
  }
}