using Server.Engines.VeteranRewards;
using Server.Gumps;
using Server.Multis;
using Server.Network;
using Server.Targeting;

namespace Server.Items
{
  public class DecorativeShield : Item, IAddon, IRewardItem
  {
    private bool m_IsRewardItem;

    [Constructible]
    public DecorativeShield(int itemID = 0x156C) : base(itemID)
    {
      Movable = false;
    }

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

    public override bool ForceShowProperties => ObjectPropertyList.Enabled;

    public bool FacingSouth
    {
      get
      {
        if (ItemID < 0x1582)
          return (ItemID & 0x1) == 0;

        return ItemID <= 0x1585;
      }
    }

    public Item Deed
    {
      get
      {
        DecorativeShieldDeed deed = new DecorativeShieldDeed();
        deed.IsRewardItem = m_IsRewardItem;

        return deed;
      }
    }

    public bool CouldFit(IPoint3D p, Map map)
    {
      return map?.CanFit(p.X, p.Y, p.Z, ItemData.Height) == true && (FacingSouth
               && BaseAddon.IsWall(p.X, p.Y - 1, p.Z, map)
               || BaseAddon.IsWall(p.X - 1, p.Y, p.Z, map));
    }

    [CommandProperty(AccessLevel.GameMaster)]
    public bool IsRewardItem
    {
      get => m_IsRewardItem;
      set
      {
        m_IsRewardItem = value;
        InvalidateProperties();
      }
    }

    public override void GetProperties(ObjectPropertyList list)
    {
      base.GetProperties(list);

      if (Core.ML && m_IsRewardItem)
        list.Add(1076220); // 4th Year Veteran Reward
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (from.InRange(Location, 2))
      {
        BaseHouse house = BaseHouse.FindHouseAt(this);

        if (house?.IsOwner(from) == true)
        {
          from.CloseGump<RewardDemolitionGump>();
          from.SendGump(new RewardDemolitionGump(this, 1049783)); // Do you wish to re-deed this decoration?
        }
        else
        {
          from.SendLocalizedMessage(
            1049784); // You can only re-deed this decoration if you are the house owner or originally placed the decoration.
        }
      }
      else
      {
        from.LocalOverheadMessage(MessageType.Regular, 0x3B2, 1019045); // I can't reach that.
      }
    }

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

      writer.WriteEncodedInt(0); // version

      writer.Write(m_IsRewardItem);
    }

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

      int version = reader.ReadEncodedInt();

      m_IsRewardItem = reader.ReadBool();
    }
  }

  public class DecorativeShieldDeed : Item, IRewardItem
  {
    private bool m_IsRewardItem;

    [Constructible]
    public DecorativeShieldDeed() : base(0x14F0)
    {
      LootType = LootType.Blessed;
      Weight = 1.0;
    }

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

    public override int LabelNumber => 1049771; // deed for a decorative shield wall hanging

    [CommandProperty(AccessLevel.GameMaster)]
    public bool IsRewardItem
    {
      get => m_IsRewardItem;
      set
      {
        m_IsRewardItem = value;
        InvalidateProperties();
      }
    }

    public override void GetProperties(ObjectPropertyList list)
    {
      base.GetProperties(list);

      if (m_IsRewardItem)
        list.Add(1076220); // 4th Year Veteran Reward
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (m_IsRewardItem && !RewardSystem.CheckIsUsableBy(from, this))
        return;

      if (IsChildOf(from.Backpack))
      {
        from.CloseGump<InternalGump>();
        from.SendGump(new InternalGump(this));
      }
      else
      {
        from.SendLocalizedMessage(1042038); // You must have the object in your backpack to use it.
      }
    }

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

      writer.WriteEncodedInt(0); // version

      writer.Write(m_IsRewardItem);
    }

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

      int version = reader.ReadEncodedInt();

      m_IsRewardItem = reader.ReadBool();
    }

    public static int GetWestItemID(int east)
    {
      switch (east)
      {
        case 0x1582: return 0x1635;
        case 0x1583: return 0x1634;
        case 0x1584: return 0x1637;
        case 0x1585: return 0x1636;
        default: return east + 1;
      }
    }

    private class InternalGump : Gump
    {
      public const int Start = 0x156C;
      public const int End = 0x1585;
      private int m_Page;

      private DecorativeShieldDeed m_Shield;

      public InternalGump(DecorativeShieldDeed shield, int page = 1) : base(150, 50)
      {
        m_Shield = shield;
        m_Page = page;

        Closable = true;
        Disposable = true;
        Draggable = true;
        Resizable = false;

        AddPage(0);

        AddBackground(25, 0, 500, 230, 0xA28);

        int itemID = Start;

        for (int i = 1; i <= 2; i++)
        {
          AddPage(i);

          for (int j = 0; j < 9 - i; j++)
          {
            AddItem(40 + j * 60, 70, itemID);
            AddButton(60 + j * 60, 50, 0x845, 0x846, itemID);

            if (itemID < 0x1582)
              itemID += 2;
            else
              itemID += 1;
          }

          switch (i)
          {
            case 1:
              AddButton(455, 198, 0x8B0, 0x8B0, 0, GumpButtonType.Page, 2);
              break;
            case 2:
              AddButton(70, 198, 0x8AF, 0x8AF, 0, GumpButtonType.Page, 1);
              break;
          }
        }
      }

      public override void OnResponse(NetState sender, RelayInfo info)
      {
        if (m_Shield?.Deleted != false || info.ButtonID < Start || info.ButtonID > End ||
            ((info.ButtonID & 0x1) != 0 || info.ButtonID >= 0x1582) &&
            (info.ButtonID < 0x1582 || info.ButtonID > 0x1585))
          return;

        sender.Mobile.SendLocalizedMessage(1049780); // Where would you like to place this decoration?
        sender.Mobile.Target = new InternalTarget(m_Shield, info.ButtonID);
      }
    }

    private class InternalTarget : Target
    {
      private int m_ItemID;
      private DecorativeShieldDeed m_Shield;

      public InternalTarget(DecorativeShieldDeed shield, int itemID) : base(-1, true, TargetFlags.None)
      {
        m_Shield = shield;
        m_ItemID = itemID;
      }

      protected override void OnTarget(Mobile from, object targeted)
      {
        if (m_Shield?.Deleted != false)
          return;

        if (!m_Shield.IsChildOf(from.Backpack))
        {
          from.SendLocalizedMessage(1042038); // You must have the object in your backpack to use it.
          return;
        }

        BaseHouse house = BaseHouse.FindHouseAt(from);

        if (house?.IsOwner(from) != true)
        {
          from.SendLocalizedMessage(502092); // You must be in your house to do this.
          return;
        }

        IPoint3D p = targeted as IPoint3D;
        Map map = from.Map;

        if (p == null || map == null)
          return;

        Point3D p3d = new Point3D(p);
        ItemData id = TileData.ItemTable[m_ItemID & TileData.MaxItemValue];

        if (!map.CanFit(p3d, id.Height))
        {
          from.SendLocalizedMessage(500269); // You cannot build that there.
          return;
        }

        house = BaseHouse.FindHouseAt(p3d, map, id.Height);

        if (house?.IsOwner(from) != true)
        {
          from.SendLocalizedMessage(1042036); // That location is not in your house.
          return;
        }

        bool north = BaseAddon.IsWall(p3d.X, p3d.Y - 1, p3d.Z, map);
        bool west = BaseAddon.IsWall(p3d.X - 1, p3d.Y, p3d.Z, map);

        if (north && west)
        {
          from.CloseGump<FacingGump>();
          from.SendGump(new FacingGump(m_Shield, m_ItemID, p3d, house));
        }
        else if (north || west)
        {
          DecorativeShield shield = new DecorativeShield(west ? GetWestItemID(m_ItemID) : m_ItemID);

          house.Addons.Add(shield);

          shield.IsRewardItem = m_Shield.IsRewardItem;
          shield.MoveToWorld(p3d, map);

          m_Shield.Delete();
        }
        else
        {
          from.SendLocalizedMessage(1049781); // This decoration must be placed next to a wall.
        }
      }

      private class FacingGump : Gump
      {
        private BaseHouse m_House;
        private int m_ItemID;
        private Point3D m_Location;
        private DecorativeShieldDeed m_Shield;

        public FacingGump(DecorativeShieldDeed shield, int itemID, Point3D location, BaseHouse house) : base(150, 50)
        {
          m_Shield = shield;
          m_ItemID = itemID;
          m_Location = location;
          m_House = house;

          Closable = true;
          Disposable = true;
          Draggable = true;
          Resizable = false;

          AddPage(0);
          AddBackground(0, 0, 300, 150, 0xA28);

          AddItem(90, 30, GetWestItemID(itemID));
          AddItem(180, 30, itemID);

          AddButton(50, 35, 0x867, 0x869, (int)Buttons.East);
          AddButton(145, 35, 0x867, 0x869, (int)Buttons.South);
        }

        public override void OnResponse(NetState sender, RelayInfo info)
        {
          if (m_Shield?.Deleted != false || m_House == null)
            return;

          DecorativeShield shield = null;

          if (info.ButtonID == (int)Buttons.East)
            shield = new DecorativeShield(GetWestItemID(m_ItemID));
          if (info.ButtonID == (int)Buttons.South)
            shield = new DecorativeShield(m_ItemID);

          if (shield != null)
          {
            m_House.Addons.Add(shield);

            shield.IsRewardItem = m_Shield.IsRewardItem;
            shield.MoveToWorld(m_Location, sender.Mobile.Map);

            m_Shield.Delete();
          }
        }

        private enum Buttons
        {
          Cancel,
          South,
          East
        }
      }
    }
  }
}