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

namespace Server.Items
{
  public class MetalHouseDoor : BaseHouseDoor
  {
    [Constructible]
    public MetalHouseDoor(DoorFacing facing) : base(facing, 0x675 + 2 * (int)facing, 0x676 + 2 * (int)facing, 0xEC, 0xF3,
      GetOffset(facing))
    {
    }

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

    public override void Serialize(GenericWriter writer) // Default Serialize method
    {
      base.Serialize(writer);

      writer.Write(0); // version
    }

    public override void Deserialize(GenericReader reader) // Default Deserialize method
    {
      base.Deserialize(reader);

      int version = reader.ReadInt();
    }
  }

  public class DarkWoodHouseDoor : BaseHouseDoor
  {
    [Constructible]
    public DarkWoodHouseDoor(DoorFacing facing) : base(facing, 0x6A5 + 2 * (int)facing, 0x6A6 + 2 * (int)facing, 0xEA,
      0xF1, GetOffset(facing))
    {
    }

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

    public override void Serialize(GenericWriter writer) // Default Serialize method
    {
      base.Serialize(writer);

      writer.Write(0); // version
    }

    public override void Deserialize(GenericReader reader) // Default Deserialize method
    {
      base.Deserialize(reader);

      int version = reader.ReadInt();
    }
  }

  public class GenericHouseDoor : BaseHouseDoor
  {
    [Constructible]
    public GenericHouseDoor(DoorFacing facing, int baseItemID, int openedSound, int closedSound, bool autoAdjust = true)
      : base(facing, baseItemID + (autoAdjust ? 2 * (int)facing : 0),
        baseItemID + 1 + (autoAdjust ? 2 * (int)facing : 0), openedSound, closedSound, GetOffset(facing))
    {
    }

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

    public override void Serialize(GenericWriter writer) // Default Serialize method
    {
      base.Serialize(writer);

      writer.Write(0); // version
    }

    public override void Deserialize(GenericReader reader) // Default Deserialize method
    {
      base.Deserialize(reader);

      int version = reader.ReadInt();
    }
  }

  public abstract class BaseHouseDoor : BaseDoor, ISecurable
  {
    public BaseHouseDoor(DoorFacing facing, int closedID, int openedID, int openedSound, int closedSound, Point3D offset)
      : base(closedID, openedID, openedSound, closedSound, offset)
    {
      Facing = facing;
      Level = SecureLevel.Anyone;
    }

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

    [CommandProperty(AccessLevel.GameMaster)]
    public DoorFacing Facing{ get; set; }

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

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

    public BaseHouse FindHouse()
    {
      Point3D loc;

      if (Open)
        loc = new Point3D(X - Offset.X, Y - Offset.Y, Z - Offset.Z);
      else
        loc = Location;

      return BaseHouse.FindHouseAt(loc, Map, 20);
    }

    public bool CheckAccess(Mobile m)
    {
      BaseHouse house = FindHouse();

      if (house == null)
        return false;

      if (!house.IsAosRules)
        return true;

      if (house.Public ? house.IsBanned(m) : !house.HasAccess(m))
        return false;

      return house.HasSecureAccess(m, Level);
    }

    public override void OnOpened(Mobile from)
    {
      BaseHouse house = FindHouse();

      if (house?.IsFriend(from) == true && from.AccessLevel == AccessLevel.Player && house.RefreshDecay())
        from.SendLocalizedMessage(1043293); // Your house's age and contents have been refreshed.

      if (house?.Public == true && !house.IsFriend(from))
        house.Visits++;
    }

    public override bool UseLocks()
    {
      return FindHouse()?.IsAosRules != true;
    }

    public override void Use(Mobile from)
    {
      if (!CheckAccess(from))
        from.SendLocalizedMessage(1061637); // You are not allowed to access this.
      else
        base.Use(from);
    }

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

      writer.Write(1); // version

      writer.Write((int)Level);

      writer.Write((int)Facing);
    }

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

      int version = reader.ReadInt();

      switch (version)
      {
        case 1:
        {
          Level = (SecureLevel)reader.ReadInt();
          goto case 0;
        }
        case 0:
        {
          if (version < 1)
            Level = SecureLevel.Anyone;

          Facing = (DoorFacing)reader.ReadInt();
          break;
        }
      }
    }

    public override bool IsInside(Mobile from)
    {
      int x, y, w, h;

      const int r = 2;
      const int bs = r * 2 + 1;
      const int ss = r + 1;

      switch (Facing)
      {
        case DoorFacing.WestCW:
        case DoorFacing.EastCCW:
          x = -r;
          y = -r;
          w = bs;
          h = ss;
          break;

        case DoorFacing.EastCW:
        case DoorFacing.WestCCW:
          x = -r;
          y = 0;
          w = bs;
          h = ss;
          break;

        case DoorFacing.SouthCW:
        case DoorFacing.NorthCCW:
          x = -r;
          y = -r;
          w = ss;
          h = bs;
          break;

        case DoorFacing.NorthCW:
        case DoorFacing.SouthCCW:
          x = 0;
          y = -r;
          w = ss;
          h = bs;
          break;

        //No way to test the 'insideness' of SE Sliding doors on OSI, so leaving them default to false until further information gained

        default: return false;
      }

      int rx = from.X - X;
      int ry = from.Y - Y;
      int az = Math.Abs(from.Z - Z);

      return rx >= x && rx < x + w && ry >= y && ry < y + h && az <= 4;
    }
  }
}