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

namespace Server.Items
{
  public class TrashBarrel : Container, IChoppable
  {
    private Timer m_Timer;

    [Constructible]
    public TrashBarrel() : base(0xE77)
    {
      Hue = 0x3B2;
      Movable = false;
    }

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

    public override int LabelNumber => 1041064; // a trash barrel

    public override int DefaultMaxWeight => 0; // A value of 0 signals unlimited weight

    public override bool IsDecoContainer => false;

    public void OnChop(Mobile from)
    {
      BaseHouse house = BaseHouse.FindHouseAt(from);

      if (house?.IsCoOwner(from) == true)
      {
        Effects.PlaySound(Location, Map, 0x3B3);
        from.SendLocalizedMessage(500461); // You destroy the item.
        Destroy();
      }
    }

    public override void Serialize(IGenericWriter writer)
    {
      base.Serialize(writer);

      writer.Write(0); // version
    }

    public override void Deserialize(IGenericReader reader)
    {
      base.Deserialize(reader);

      int version = reader.ReadInt();

      if (Items.Count > 0)
      {
        m_Timer = new EmptyTimer(this);
        m_Timer.Start();
      }
    }

    public override bool OnDragDrop(Mobile from, Item dropped)
    {
      if (!base.OnDragDrop(from, dropped))
        return false;

      if (TotalItems >= 50)
      {
        Empty(501478); // The trash is full!  Emptying!
      }
      else
      {
        SendLocalizedMessageTo(from, 1010442); // The item will be deleted in three minutes

        if (m_Timer != null)
          m_Timer.Stop();
        else
          m_Timer = new EmptyTimer(this);

        m_Timer.Start();
      }

      return true;
    }

    public override bool OnDragDropInto(Mobile from, Item item, Point3D p)
    {
      if (!base.OnDragDropInto(from, item, p))
        return false;

      if (TotalItems >= 50)
      {
        Empty(501478); // The trash is full!  Emptying!
      }
      else
      {
        SendLocalizedMessageTo(from, 1010442); // The item will be deleted in three minutes

        if (m_Timer != null)
          m_Timer.Stop();
        else
          m_Timer = new EmptyTimer(this);

        m_Timer.Start();
      }

      return true;
    }

    public void Empty(int message)
    {
      List<Item> items = Items;

      if (items.Count > 0)
      {
        PublicOverheadMessage(MessageType.Regular, 0x3B2, message, "");

        for (int i = items.Count - 1; i >= 0; --i)
        {
          if (i >= items.Count)
            continue;

          items[i].Delete();
        }
      }

      m_Timer?.Stop();

      m_Timer = null;
    }

    private class EmptyTimer : Timer
    {
      private readonly TrashBarrel m_Barrel;

      public EmptyTimer(TrashBarrel barrel) : base(TimeSpan.FromMinutes(3.0))
      {
        m_Barrel = barrel;
        Priority = TimerPriority.FiveSeconds;
      }

      protected override void OnTick()
      {
        m_Barrel.Empty(501479); // Emptying the trashcan!
      }
    }
  }
}