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

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

    [Constructible]
    public Banner(int itemID) : base(itemID)
    {
      LootType = LootType.Blessed;
      Movable = false;
    }

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

    public override bool ForceShowProperties => ObjectPropertyList.Enabled;

    public bool FacingSouth => (ItemID & 0x1) == 0;

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

        return deed;
      }
    }

    public bool CouldFit(IPoint3D p, Map map)
    {
      if (map == null || !map.CanFit(p.X, p.Y, p.Z, ItemData.Height))
        return false;

      if (FacingSouth)
        return BaseAddon.IsWall(p.X, p.Y - 1, p.Z, map); // north wall
      return BaseAddon.IsWall(p.X - 1, p.Y, p.Z, map); // west wall
    }

    public bool Dye(Mobile from, DyeTub sender)
    {
      if (Deleted)
        return false;

      Hue = sender.DyedHue;

      return true;
    }

    [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(1076218); // 2nd 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, 1018318)); // Do you wish to re-deed this banner?
        }
        else
        {
          from.SendLocalizedMessage(
            1018330); // You can only re-deed a banner if you placed it or you are the owner of the house.
        }
      }
      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 BannerDeed : Item, IRewardItem
  {
    private bool m_IsRewardItem;

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

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

    public override int LabelNumber => 1041007; // a banner deed

    [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(1076218); // 2nd Year Veteran Reward
    }

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

      if (IsChildOf(from.Backpack))
      {
        BaseHouse house = BaseHouse.FindHouseAt(from);

        if (house?.IsOwner(from) == true)
        {
          from.CloseGump<InternalGump>();
          from.SendGump(new InternalGump(this));
        }
        else
        {
          from.SendLocalizedMessage(502092); // You must be in your house to do 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();
    }

    private class InternalGump : Gump
    {
      public const int Start = 0x15AE;
      public const int End = 0x15F4;

      private BannerDeed m_Banner;

      public InternalGump(BannerDeed banner) : base(100, 200)
      {
        m_Banner = banner;

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

        AddPage(0);

        AddBackground(25, 0, 520, 230, 0xA28);
        AddLabel(70, 12, 0x3E3, "Choose a Banner:");


        int itemID = Start;

        for (int i = 1; i <= 4; i++)
        {
          AddPage(i);

          for (int j = 0; j < 8; j++, itemID += 2)
          {
            AddItem(50 + 60 * j, 70, itemID);
            AddButton(50 + 60 * j, 50, 0x845, 0x846, itemID);
          }

          if (i > 1)
            AddButton(75, 198, 0x8AF, 0x8AF, 0, GumpButtonType.Page, i - 1);

          if (i < 4)
            AddButton(475, 198, 0x8B0, 0x8B0, 0, GumpButtonType.Page, i + 1);
        }
      }

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

        Mobile m = sender.Mobile;

        if (info.ButtonID < Start || info.ButtonID > End || (info.ButtonID & 0x1) != 0) return;

        m.SendLocalizedMessage(1042037); // Where would you like to place this banner?
        m.Target = new InternalTarget(m_Banner, info.ButtonID);
      }
    }

    private class InternalTarget : Target
    {
      private BannerDeed m_Banner;
      private int m_ItemID;

      public InternalTarget(BannerDeed banner, int itemID) : base(-1, true, TargetFlags.None)
      {
        m_Banner = banner;
        m_ItemID = itemID;
      }

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

        if (m_Banner.IsChildOf(from.Backpack))
        {
          BaseHouse house = BaseHouse.FindHouseAt(from);

          if (house?.IsOwner(from) == true)
          {
            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))
            {
              house = BaseHouse.FindHouseAt(p3d, map, id.Height);

              if (house?.IsOwner(from) == true)
              {
                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_Banner, m_ItemID, p3d, house));
                }
                else if (north || west)
                {
                  Banner banner = new Banner(m_ItemID + (west ? 0 : 1));

                  house.Addons.Add(banner);

                  banner.IsRewardItem = m_Banner.IsRewardItem;
                  banner.MoveToWorld(p3d, map);

                  m_Banner.Delete();
                }
                else
                {
                  from.SendLocalizedMessage(1042039); // The banner must be placed next to a wall.
                }
              }
              else
              {
                from.SendLocalizedMessage(1042036); // That location is not in your house.
              }
            }
            else
            {
              from.SendLocalizedMessage(500269); // You cannot build that there.
            }
          }
          else
          {
            from.SendLocalizedMessage(502092); // You must be in your house to do this.
          }
        }
        else
        {
          from.SendLocalizedMessage(1042038); // You must have the object in your backpack to use it.
        }
      }

      private class FacingGump : Gump
      {
        private BannerDeed m_Banner;
        private BaseHouse m_House;
        private int m_ItemID;
        private Point3D m_Location;

        public FacingGump(BannerDeed banner, int itemID, Point3D location, BaseHouse house) : base(150, 50)
        {
          m_Banner = banner;
          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, itemID + 1);
          AddItem(180, 30, itemID);

          AddButton(50, 35, 0x868, 0x869, (int)Buttons.East);
          AddButton(145, 35, 0x868, 0x869, (int)Buttons.South);
        }

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

          Banner banner = null;

          if (info.ButtonID == (int)Buttons.East)
            banner = new Banner(m_ItemID + 1);
          else if (info.ButtonID == (int)Buttons.South)
            banner = new Banner(m_ItemID);

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

            banner.IsRewardItem = m_Banner.IsRewardItem;
            banner.MoveToWorld(m_Location, sender.Mobile.Map);

            m_Banner.Delete();
          }
        }

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