using System.Collections.Generic;
using System.Net;
using System.Timers;
using System;
using System.Text;

using libsecondlife;
using libsecondlife.Packets;

using OpenSim.Framework;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Types;
using OpenSim.Framework.Data;
using OpenSim.Framework.Utilities;
using OpenSim.Region.Environment.Scenes;

namespace SimpleApp
{
    public class MyNpcCharacter : IClientAPI
    {
        private uint movementFlag = 0;
        private short flyState = 0;
        private LLQuaternion bodyDirection = LLQuaternion.Identity;
        private short count = 0;

#pragma warning disable 67

        public event ImprovedInstantMessage OnInstantMessage;
        public event ChatFromViewer OnChatFromViewer;
        public event RezObject OnRezObject;
        public event ModifyTerrain OnModifyTerrain;
        public event SetAppearance OnSetAppearance;
        public event StartAnim OnStartAnim;
        public event LinkObjects OnLinkObjects;
        public event RequestMapBlocks OnRequestMapBlocks;
        public event TeleportLocationRequest OnTeleportLocationRequest;
        public event DisconnectUser OnDisconnectUser;

        public event GenericCall4 OnDeRezObject;
        public event GenericCall OnRegionHandShakeReply;
        public event GenericCall OnRequestWearables;
        public event GenericCall2 OnCompleteMovementToRegion;
        public event UpdateAgent OnAgentUpdate;
        public event GenericCall OnRequestAvatarsData;
        public event AddNewPrim OnAddPrim;
        public event ObjectDuplicate OnObjectDuplicate;
        public event UpdateVector OnGrapObject;
        public event ObjectSelect OnDeGrapObject;
        public event MoveObject OnGrapUpdate;


        public event UpdateShape OnUpdatePrimShape;
        public event ObjectExtraParams OnUpdateExtraParams;
        public event ObjectSelect OnObjectSelect;
        public event GenericCall7 OnObjectDescription;
        public event GenericCall7 OnObjectName;
        public event UpdatePrimFlags OnUpdatePrimFlags;
        public event UpdatePrimTexture OnUpdatePrimTexture;
        public event UpdateVector OnUpdatePrimGroupPosition;
        public event UpdateVector OnUpdatePrimSinglePosition;
        public event UpdatePrimRotation OnUpdatePrimGroupRotation;
        public event UpdatePrimSingleRotation OnUpdatePrimSingleRotation;
        public event UpdatePrimGroupRotation OnUpdatePrimGroupMouseRotation;
        public event UpdateVector OnUpdatePrimScale;
        public event StatusChange OnChildAgentStatus;
        public event GenericCall2 OnStopMovement;
        public event GenericCall6 OnRemoveAvatar;

        public event CreateNewInventoryItem OnCreateNewInventoryItem;
        public event CreateInventoryFolder OnCreateNewInventoryFolder;
        public event FetchInventoryDescendents OnFetchInventoryDescendents;
        public event FetchInventory OnFetchInventory;
        public event RequestTaskInventory OnRequestTaskInventory;

        public event UUIDNameRequest OnNameFromUUIDRequest;

        public event ParcelPropertiesRequest OnParcelPropertiesRequest;
        public event ParcelDivideRequest OnParcelDivideRequest;
        public event ParcelJoinRequest OnParcelJoinRequest;
        public event ParcelPropertiesUpdateRequest OnParcelPropertiesUpdateRequest;

        public event ParcelSelectObjects OnParcelSelectObjects;
        public event ParcelObjectOwnerRequest OnParcelObjectOwnerRequest;
        public event ObjectDeselect OnObjectDeselect;
        public event EstateOwnerMessageRequest OnEstateOwnerMessage;

#pragma warning restore 67

        private LLUUID myID = LLUUID.Random();
        public MyNpcCharacter( EventManager eventManager )
        {
            eventManager.OnFrame += Update;
        }

        public virtual LLVector3 StartPos
        {
            get { return new LLVector3(128, 100, 2); }
            set { }
        }

        public virtual LLUUID AgentId
        {
            get { return myID; }
        }

        public LLUUID SessionId
        {
            get { return LLUUID.Zero; }
        }

        public virtual string FirstName
        {
            get { return "Annoying"; }
        }

        public virtual string LastName
        {
            get { return "NPC"; }
        }

        public virtual void OutPacket(Packet newPack) { }
        public virtual void SendWearables(AvatarWearable[] wearables) { }
        public virtual void SendAppearance(LLUUID agentID, byte[] visualParams, byte[] textureEntry) { }
        public virtual void SendStartPingCheck(byte seq) { }
        public virtual void SendKillObject(ulong regionHandle, uint localID) { }
        public virtual void SendAnimation(LLUUID animID, int seq, LLUUID sourceAgentId) { }
        public virtual void SendChatMessage(string message, byte type, LLVector3 fromPos, string fromName, LLUUID fromAgentID) { }
        public virtual void SendChatMessage(byte[] message, byte type, LLVector3 fromPos, string fromName, LLUUID fromAgentID) { }
        public virtual void SendInstantMessage(string message, LLUUID target, string fromName) { }
        public virtual void SendLayerData(float[] map) { }
        public virtual void SendLayerData(int px, int py, float[] map) { }
        public virtual void MoveAgentIntoRegion(RegionInfo regInfo, LLVector3 pos, LLVector3 look) { }
        public virtual void InformClientOfNeighbour(ulong neighbourHandle, IPEndPoint neighbourExternalEndPoint) { }
        public virtual AgentCircuitData RequestClientInfo() { return new AgentCircuitData(); }
        public virtual void CrossRegion(ulong newRegionHandle, LLVector3 pos, LLVector3 lookAt, IPEndPoint newRegionExternalEndPoint) { }
        public virtual void SendMapBlock(List<MapBlockData> mapBlocks) { }
        public virtual void SendLocalTeleport(LLVector3 position, LLVector3 lookAt, uint flags) { }
        public virtual void SendRegionTeleport(ulong regionHandle, byte simAccess, IPEndPoint regionExternalEndPoint, uint locationID, uint flags) { }
        public virtual void SendTeleportCancel() { }
        public virtual void SendTeleportLocationStart() { }
        public virtual void SendMoneyBalance(LLUUID transaction, bool success, byte[] description, int balance) { }

        public virtual void SendAvatarData(ulong regionHandle, string firstName, string lastName, LLUUID avatarID, uint avatarLocalID, LLVector3 Pos, byte[] textureEntry) { }
        public virtual void SendAvatarTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID, LLVector3 position, LLVector3 velocity) { }

        public virtual void AttachObject(uint localID, LLQuaternion rotation, byte attachPoint) { }

        public virtual void SendPrimitiveToClient(ulong regionHandle, ushort timeDilation, uint localID, PrimitiveBaseShape primShape, LLVector3 pos, LLQuaternion rotation, uint flags, LLUUID objectID, LLUUID ownerID, string text, uint parentID, byte[] particleSystem) { }
        public virtual void SendPrimitiveToClient(ulong regionHandle, ushort timeDilation, uint localID, PrimitiveBaseShape primShape, LLVector3 pos, uint flags, LLUUID objectID, LLUUID ownerID, string text, uint parentID, byte[] particleSystem) { }
        public virtual void SendPrimTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID, LLVector3 position, LLQuaternion rotation) { }

        public virtual void SendInventoryFolderDetails(LLUUID ownerID, LLUUID folderID, List<InventoryItemBase> items) { }
        public virtual void SendInventoryItemDetails(LLUUID ownerID, InventoryItemBase item) { }
        public virtual void SendInventoryItemUpdate(InventoryItemBase Item) { }
        public virtual void SendTaskInventory(LLUUID taskID, short serial, byte[] fileName) { }
        public virtual void SendNameReply(LLUUID profileId, string firstname, string lastname) { }

        public void SendAlertMessage(string message) { }
        public void SendAgentAlertMessage(string message, bool modal) { }

        public virtual void SendRegionHandshake(RegionInfo regionInfo)
        {
            this.OnRegionHandShakeReply(this);
            this.OnCompleteMovementToRegion();
        }

        private void Update( )
        {
            Encoding enc = Encoding.ASCII;

            if (this.OnAgentUpdate != null)
            {
                this.OnAgentUpdate(this, movementFlag, bodyDirection);
            }
            if (this.flyState == 0)
            {
                movementFlag = (uint)MainAvatar.ControlFlags.AGENT_CONTROL_FLY | (uint)MainAvatar.ControlFlags.AGENT_CONTROL_UP_NEG;
                flyState = 1;
            }
            else if (this.flyState == 1)
            {
                movementFlag = (uint)MainAvatar.ControlFlags.AGENT_CONTROL_FLY | (uint)MainAvatar.ControlFlags.AGENT_CONTROL_UP_POS;
                flyState = 2;
            }
            else
            {
                movementFlag = (uint)MainAvatar.ControlFlags.AGENT_CONTROL_FLY;
                flyState = 0;
            }

            if (count >= 40)
            {
                if (OnChatFromViewer != null)
                {
                    this.OnChatFromViewer(enc.GetBytes("Kind of quiet around here, isn't it! \0"), 2, new LLVector3(128, 128, 26), this.FirstName + " " + this.LastName, this.AgentId);
                }
                count = -1;
                
            }

            count++;
        }
    }
}