using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DuckEmulator.HabboHotel.Outside.Furniture;
using DuckEmulator.HabboHotel.Outside.Messages.Types;

namespace DuckEmulator.HabboHotel.Outside.Rooms
{
    class UserRoller
    {
        internal RoomUser User;
        internal Furni Roller;

        private ushort FrontX
        {
            get { return (ushort)Roller.SquareInFront.X; }
        }

        private ushort FrontY
        {
            get { return (ushort)Roller.SquareInFront.Y; }
        }

        private double FrontZ
        {
            get
            {
                return (User.GetRoom() != null) ? User.GetRoom().GetAffectedHeight(FrontX, FrontY) : 0.0;
            }
        }

        internal UserRoller(RoomUser User, Furni Roller)
        {
            this.User = User;
            this.Roller = Roller;
        }

        internal void Broadcast()
        {
            if (GetRoom() == null || Roller == null || User == null)
            {
                Dispose();
                return;
            }

            if (!GetRoom().CanWalk(FrontX, FrontY, true) || User.IsWalking)
            {
                Dispose();
                return;
            }

            ServerMessage Message = new ServerMessage(230);
            Message.AppendInt32(User.X);
            Message.AppendInt32(User.Y);
            Message.AppendInt32(FrontX);
            Message.AppendInt32(FrontY);
            Message.AppendBoolean(false); // Is not an Furni
            Message.AppendUInt(Roller.Id);
            Message.AppendInt32(2);
            Message.AppendUInt(User.VirtualId);
            Message.AppendStringWithBreak(User.Z.ToString().Replace(',', '.'));
            Message.AppendStringWithBreak(FrontZ.ToString().Replace(',', '.'));

            // Send Message -> Client [Do action]
            if (GetRoom() != null && !User.IsWalking)
            {
                GetRoom().BroadcastResponse(Message);
                Dispose();
            }

            // Update in Environment <- [Internal - Save]
            if (User != null && !User.IsWalking)
            {
                User.SetX = FrontX;
                User.SetY = FrontY;
                User.SetZ = FrontZ;

                User.SetTile();
                User.UpdateOnTile();
            }
        }

        internal void Dispose()
        {
            GetRoom().UserRollers.Remove(this);
        }

        internal Room GetRoom()
        {
            if (User.GetRoom() != null)
            {
                return User.GetRoom();
            }
            else if (Roller.GetRoom() != null)
            {
                return Roller.GetRoom();
            }

            return null;
        }
    }

    sealed class FurniRoller
    {
        internal Furni Roller;
        internal Furni Furni;

        private ushort FrontX
        {
            get { return (ushort)Roller.SquareInFront.X; }
        }

        private ushort FrontY
        {
            get { return (ushort)Roller.SquareInFront.Y; }
        }

        private double FrontZ
        {
            get { return Furni.GetRoom().GetAffectedHeight(FrontX, FrontY); }
        }

        internal FurniRoller(Furni Furni, Furni Roller)
        {
            this.Furni = Furni;
            this.Roller = Roller;
        }

        internal void Broadcast()
        {
            if (Roller == null || Furni == null)
            {
                Dispose();
                return;
            }

            ushort FrontX = (ushort)Roller.SquareInFront.X;
            ushort FrontY = (ushort)Roller.SquareInFront.Y;
            double FrontZ = Roller.GetRoom().GetAffectedHeight(FrontX, FrontY);

            if (!GetRoom().CanWalk(FrontX, FrontY, true))
            {
                Dispose();
                return;
            }

            if (Roller.GetRoom().Matrix[FrontX, FrontY] == false || Roller.GetRoom().UsersOnTile(FrontX, FrontY))
            {
                Dispose();
                return;
            }
    
            ServerMessage Message = new ServerMessage(230);
            Message.AppendInt32(Furni.X);
            Message.AppendInt32(Furni.Y);
            Message.AppendInt32(FrontX);
            Message.AppendInt32(FrontY);
            Message.AppendBoolean(true); // Is an Furni
            Message.AppendUInt(Furni.Id);
            Message.AppendStringWithBreak(Furni.Z.ToString().Replace(',', '.'));
            Message.AppendStringWithBreak(FrontZ.ToString().Replace(',', '.'));
            Message.AppendUInt(Roller.Id);

            if (Roller.GetRoom() != null)
            {
                Roller.GetRoom().BroadcastResponse(Message);
                Dispose();
            }

            if (Furni != null)
            {
                GetRoom().SetFloorItem(Furni, FrontX, FrontY, Furni.Rotation, false);
            }
        }

        internal void Dispose()
        {
            GetRoom().FurniRollers.Remove(this);
        }

        internal Room GetRoom()
        {
            if (Furni.GetRoom() != null)
            {
                return Furni.GetRoom();
            }
            else if (Roller.GetRoom() != null)
            {
                return Roller.GetRoom();
            }

            return null;
        }
    }
}