using System;
using System.Collections.Generic;
using Server.ContextMenus;
using Server.Gumps;
using Server.Multis;
using Server.Network;

namespace Server.Items
{
  public abstract class BaseBoard : Container, ISecurable
  {
    public BaseBoard(int itemID) : base(itemID)
    {
      CreatePieces();

      Weight = 5.0;
    }

    public BaseBoard(Serial serial) : base(serial)
    {
    }

    public override bool DisplaysContent => false; // Do not display (x items, y stones)

    public override bool IsDecoContainer => false;

    public override TimeSpan DecayTime => TimeSpan.FromDays(1.0);

    [CommandProperty(AccessLevel.GameMaster)]
    public SecureLevel Level { get; set; }

    public abstract void CreatePieces();

    public void Reset()
    {
      for (int i = Items.Count - 1; i >= 0; --i)
        if (i < Items.Count)
          Items[i].Delete();

      CreatePieces();
    }

    public void CreatePiece(BasePiece piece, int x, int y)
    {
      AddItem(piece);
      piece.Location = new Point3D(x, y, 0);
    }

    public override void Serialize(IGenericWriter writer)
    {
      base.Serialize(writer);
      writer.Write(1); // version

      writer.Write((int)Level);
    }

    public override void Deserialize(IGenericReader reader)
    {
      base.Deserialize(reader);
      int version = reader.ReadInt();

      if (version == 1)
        Level = (SecureLevel)reader.ReadInt();

      if (Weight == 1.0)
        Weight = 5.0;
    }

    public override bool OnDragDrop(Mobile from, Item dropped) => dropped is BasePiece piece && piece.Board == this && base.OnDragDrop(from, dropped);

    public override bool OnDragDropInto(Mobile from, Item dropped, Point3D point)
    {
      if (dropped is BasePiece piece && piece.Board == this && base.OnDragDropInto(from, dropped, point))
      {
        Packet p = new PlaySound(0x127, GetWorldLocation());

        p.Acquire();

        if (RootParent == from)
          from.Send(p);
        else
          foreach (NetState state in GetClientsInRange(2))
            state.Send(p);

        p.Release();

        return true;
      }

      return false;
    }

    public override void GetContextMenuEntries(Mobile from, List<ContextMenuEntry> list)
    {
      base.GetContextMenuEntries(from, list);

      if (ValidateDefault(from, this))
        list.Add(new DefaultEntry(from, this));

      SetSecureLevelEntry.AddTo(from, this, list);
    }

    public static bool ValidateDefault(Mobile from, BaseBoard board) =>
      !board.Deleted && (from.AccessLevel >= AccessLevel.GameMaster || (from.Alive &&
                         (board.IsChildOf(from.Backpack) || (!(board.RootParent is Mobile) &&
                          board.Map == from.Map && from.InRange(board.GetWorldLocation(), 1) &&
                          BaseHouse.FindHouseAt(board)?.IsOwner(from) == true))));

    public class DefaultEntry : ContextMenuEntry
    {
      private readonly BaseBoard m_Board;
      private readonly Mobile m_From;

      public DefaultEntry(Mobile from, BaseBoard board) : base(6162,
        from.AccessLevel >= AccessLevel.GameMaster ? -1 : 1)
      {
        m_From = from;
        m_Board = board;
      }

      public override void OnClick()
      {
        if (ValidateDefault(m_From, m_Board))
          m_Board.Reset();
      }
    }
  }
}