﻿/*******************************************************************************
 * 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
 * ******************************************************************************
 * Mats Alm   		                Added       		        2013-03-01 (Prior file history on https://github.com/swmal/ExcelFormulaParser)
 *******************************************************************************/

namespace OfficeOpenXml.FormulaParsing.ExcelUtilities;

public class RangeAddress {
  internal string Address { get; set; } = string.Empty;

  public string Worksheet { get; internal set; }

  public int FromCol { get; internal set; }

  public int ToCol { get; internal set; }

  public int FromRow { get; internal set; }

  public int ToRow { get; internal set; }

  public override string ToString() {
    return Address;
  }

  private static readonly RangeAddress _empty = new();

  public static RangeAddress Empty => _empty;

  /// <summary>
  /// Returns true if this range collides (full or partly) with the supplied range
  /// </summary>
  /// <param name="other">The range to check</param>
  /// <returns></returns>
  public bool CollidesWith(RangeAddress other) {
    if (other.Worksheet != Worksheet) {
      return false;
    }
    if (other.FromRow > ToRow
        || other.FromCol > ToCol
        || FromRow > other.ToRow
        || FromCol > other.ToCol) {
      return false;
    }
    return true;
  }
}