/*************************************************************************
 * ModernUO                                                              *
 * Copyright (C) 2019-2020 - ModernUO Development Team                   *
 * Email: hi@modernuo.com                                                *
 * File: Rectangle2D.cs - Created: 2020/05/31 - Updated: 2020/05/31      *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * This program 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 General Public License for more details.                          *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

namespace Server
{
  [NoSort]
  [Parsable]
  [PropertyObject]
  public struct Rectangle2D
  {
    private Point2D m_Start;
    private Point2D m_End;

    public Rectangle2D(IPoint2D start, IPoint2D end)
    {
      m_Start = new Point2D(start);
      m_End = new Point2D(end);
    }

    public Rectangle2D(int x, int y, int width, int height)
    {
      m_Start = new Point2D(x, y);
      m_End = new Point2D(x + width, y + height);
    }

    public void Set(int x, int y, int width, int height)
    {
      m_Start = new Point2D(x, y);
      m_End = new Point2D(x + width, y + height);
    }

    public static Rectangle2D Parse(string value)
    {
      var start = value.IndexOf('(');
      var end = value.IndexOf(',', start + 1);

      Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out int x);

      start = end;
      end = value.IndexOf(',', start + 1);

      Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out int y);

      start = end;
      end = value.IndexOf(',', start + 1);

      Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out int w);

      start = end;
      end = value.IndexOf(')', start + 1);

      Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out int h);

      return new Rectangle2D(x, y, w, h);
    }

    [CommandProperty(AccessLevel.Counselor)]
    public Point2D Start
    {
      get => m_Start;
      set => m_Start = value;
    }

    [CommandProperty(AccessLevel.Counselor)]
    public Point2D End
    {
      get => m_End;
      set => m_End = value;
    }

    [CommandProperty(AccessLevel.Counselor)]
    public int X
    {
      get => m_Start.m_X;
      set => m_Start.m_X = value;
    }

    [CommandProperty(AccessLevel.Counselor)]
    public int Y
    {
      get => m_Start.m_Y;
      set => m_Start.m_Y = value;
    }

    [CommandProperty(AccessLevel.Counselor)]
    public int Width
    {
      get => m_End.m_X - m_Start.m_X;
      set => m_End.m_X = m_Start.m_X + value;
    }

    [CommandProperty(AccessLevel.Counselor)]
    public int Height
    {
      get => m_End.m_Y - m_Start.m_Y;
      set => m_End.m_Y = m_Start.m_Y + value;
    }

    public void MakeHold(Rectangle2D r)
    {
      if (r.m_Start.m_X < m_Start.m_X)
        m_Start.m_X = r.m_Start.m_X;

      if (r.m_Start.m_Y < m_Start.m_Y)
        m_Start.m_Y = r.m_Start.m_Y;

      if (r.m_End.m_X > m_End.m_X)
        m_End.m_X = r.m_End.m_X;

      if (r.m_End.m_Y > m_End.m_Y)
        m_End.m_Y = r.m_End.m_Y;
    }

    public bool Contains(Point3D p) =>
      m_Start.m_X <= p.m_X && m_Start.m_Y <= p.m_Y && m_End.m_X > p.m_X && m_End.m_Y > p.m_Y;

    public bool Contains(Point2D p) =>
      m_Start.m_X <= p.m_X && m_Start.m_Y <= p.m_Y && m_End.m_X > p.m_X && m_End.m_Y > p.m_Y;

    public bool Contains(IPoint2D p) => m_Start <= p && m_End > p;

    public override string ToString() => $"({X}, {Y})+({Width}, {Height})";
  }
}