/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenSim Project nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/

using System;
using System.Collections.Generic;
using System.Net;
using System.Text;
using libsecondlife;
using libsecondlife.Packets;
using OpenSim.Framework;
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 Action<IClientAPI> OnLogout;
        public event ObjectPermissions OnObjectPermissions;
        public event Action<IClientAPI> OnConnectionClosed;

        public event ImprovedInstantMessage OnInstantMessage;
        public event ChatFromViewer OnChatFromViewer;
        public event TextureRequest OnRequestTexture;
        public event RezObject OnRezObject;
        public event ModifyTerrain OnModifyTerrain;
        public event SetAppearance OnSetAppearance;
        public event AvatarNowWearing OnAvatarNowWearing;
        public event StartAnim OnStartAnim;
        public event LinkObjects OnLinkObjects;
        public event DelinkObjects OnDelinkObjects;
        public event RequestMapBlocks OnRequestMapBlocks;
        public event RequestMapName   OnMapNameRequest;
        public event TeleportLocationRequest OnTeleportLocationRequest;
        public event DisconnectUser OnDisconnectUser;
        public event RequestAvatarProperties OnRequestAvatarProperties;
        public event SetAlwaysRun OnSetAlwaysRun;

        public event GenericCall4 OnDeRezObject;
        public event Action<IClientAPI> OnRegionHandShakeReply;
        public event GenericCall2 OnRequestWearables;
        public event GenericCall2 OnCompleteMovementToRegion;
        public event UpdateAgent OnAgentUpdate;
        public event AgentRequestSit OnAgentRequestSit;
        public event AgentSit OnAgentSit;
        public event AvatarPickerRequest OnAvatarPickerRequest;
        public event Action<IClientAPI> OnRequestAvatarsData;
        public event AddNewPrim OnAddPrim;
        public event RequestGodlikePowers OnRequestGodlikePowers;
        public event GodKickUser OnGodKickUser;
        public event ObjectDuplicate OnObjectDuplicate;
        public event UpdateVector OnGrabObject;
        public event ObjectSelect OnDeGrabObject;
        public event MoveObject OnGrabUpdate;
        public event ViewerEffectEventHandler OnViewerEffect;


        public event UpdateShape OnUpdatePrimShape;
        public event ObjectExtraParams OnUpdateExtraParams;
        public event RequestObjectPropertiesFamily OnRequestObjectPropertiesFamily;
        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 Action<LLUUID> OnRemoveAvatar;

        public event CreateNewInventoryItem OnCreateNewInventoryItem;
        public event CreateInventoryFolder OnCreateNewInventoryFolder;
        public event FetchInventoryDescendents OnFetchInventoryDescendents;
        public event PurgeInventoryDescendents OnPurgeInventoryDescendents;
        public event FetchInventory OnFetchInventory;
        public event RequestTaskInventory OnRequestTaskInventory;
        public event UpdateInventoryItem OnUpdateInventoryItem;
        public event CopyInventoryItem OnCopyInventoryItem;
        public event MoveInventoryItem OnMoveInventoryItem;
        public event UDPAssetUploadRequest OnAssetUploadRequest;
        public event XferReceive OnXferReceive;
        public event RequestXfer OnRequestXfer;
        public event ConfirmXfer OnConfirmXfer;
        public event RezScript OnRezScript;
        public event UpdateTaskInventory OnUpdateTaskInventory;
        public event RemoveTaskInventory OnRemoveTaskItem;

        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)
        {
            // startPos = new LLVector3(128, (float)(Util.RandomClass.NextDouble()*100), 2);
            eventManager.OnFrame += Update;
        }

        private LLVector3 startPos = new LLVector3(128, 128, 2);

        public virtual LLVector3 StartPos
        {
            get { return startPos; }
            set { }
        }

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

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

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

        private string lastName = "NPC" + Util.RandomClass.Next(1, 1000);

        public virtual string LastName
        {
            get { return lastName; }
        }


        public virtual void OutPacket(Packet newPack, ThrottleOutPacketType packType)
        {
        }

        public virtual void SendWearables(AvatarWearable[] wearables, int serial)
        {
        }

        public virtual void SendAppearance(LLUUID agentID, byte[] visualParams, byte[] textureEntry)
        {
        }

        public virtual void Kick(string message)
        {
        }

        public virtual void SendStartPingCheck(byte seq)
        {
        }
        public virtual void SendAvatarPickerReply(AvatarPickerReplyPacket response)
        {

        }
        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(LLUUID fromAgent, LLUUID fromAgentSession, string message, LLUUID toAgent,
                                               LLUUID imSessionID, string fromName, byte dialog, uint timeStamp)
        {
        }

        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, string capsURL)
        {
        }

        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, string capsURL)
        {
        }

        public virtual void SendTeleportFailed()
        {
        }

        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, uint parentID)
        {
        }

        public virtual void SendAvatarTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID,
                                                  LLVector3 position, LLVector3 velocity, LLQuaternion rotation)
        {
        }

        public virtual void SendCoarseLocationUpdate(List<LLVector3> CoarseLocations)
        {
        }

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

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

        public virtual void SendPrimTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID,
                                                LLVector3 position, LLQuaternion rotation)
        {
        }
        public virtual void SendPrimTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID,
                                        LLVector3 position, LLQuaternion rotation,LLVector3 velocity, LLVector3 rotationalvelocity)
        {
        }

        public virtual void SendInventoryFolderDetails(LLUUID ownerID, LLUUID folderID, List<InventoryItemBase> items, int subFoldersCount)
        {
        }

        public virtual void SendInventoryItemDetails(LLUUID ownerID, InventoryItemBase item)
        {
        }

        public virtual void SendInventoryItemCreateUpdate(InventoryItemBase Item)
        {
        }

        public virtual void SendRemoveInventoryItem(LLUUID itemID)
        {
        }

        public virtual void SendTaskInventory(LLUUID taskID, short serial, byte[] fileName)
        {
        }

        public virtual void SendXferPacket(ulong xferID, uint packet, byte[] data)
        {
        }

        public virtual void SendNameReply(LLUUID profileId, string firstname, string lastname)
        {
        }

        public virtual void SendPreLoadSound(LLUUID objectID, LLUUID ownerID, LLUUID soundID)
        {
        }

        public virtual void SendPlayAttachedSound(LLUUID soundID, LLUUID objectID, LLUUID ownerID, float gain,
                                                  byte flags)
        {
        }

        public void SendAlertMessage(string message)
        {
        }

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

        public void SendLoadURL(string objectname, LLUUID objectID, LLUUID ownerID, bool groupOwned, string message,
                                string url)
        {
        }

        public virtual void SendRegionHandshake(RegionInfo regionInfo)
        {
            if (OnRegionHandShakeReply != null)
            {
                OnRegionHandShakeReply(this);
            }

            if (OnCompleteMovementToRegion != null)
            {
                OnCompleteMovementToRegion();
            }
        }

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

            if (OnAgentUpdate != null)
            {
                AgentUpdatePacket pack = new AgentUpdatePacket();
                pack.AgentData.ControlFlags = movementFlag;
                pack.AgentData.BodyRotation = bodyDirection;
                OnAgentUpdate(this, pack);
            }
            if (flyState == 0)
            {
                movementFlag = (uint) AgentManager.ControlFlags.AGENT_CONTROL_FLY |
                               (uint) AgentManager.ControlFlags.AGENT_CONTROL_UP_NEG;
                flyState = 1;
            }
            else if (flyState == 1)
            {
                movementFlag = (uint) AgentManager.ControlFlags.AGENT_CONTROL_FLY |
                               (uint) AgentManager.ControlFlags.AGENT_CONTROL_UP_POS;
                flyState = 2;
            }
            else
            {
                movementFlag = (uint) AgentManager.ControlFlags.AGENT_CONTROL_FLY;
                flyState = 0;
            }

            if (count >= 200)
            {
                if (OnChatFromViewer != null)
                {
                    ChatFromViewerArgs args = new ChatFromViewerArgs();
                    args.Message = "Kinda quiet around here, isn't it?";
                    args.Channel = 0;
                    args.From = FirstName + " " + LastName;
                    args.Position = new LLVector3(128, 128, 26);
                    args.Sender = this;
                    args.Type = ChatTypeEnum.Shout;

                    OnChatFromViewer(this, args);
                }
                count = -1;
            }

            count++;
        }

        public bool AddMoney(int debit)
        {
            return false;
        }

        public void SendSunPos(LLVector3 sunPos, LLVector3 sunVel)
        {
        }

        public void SendViewerTime(int phase)
        {
        }

        public void SendAvatarProperties(LLUUID avatarID, string aboutText, string bornOn, string charterMember,
                                         string flAbout, uint flags, LLUUID flImageID, LLUUID imageID, string profileURL,
                                         LLUUID partnerID)
        {
        }

        public void SetDebug(int newDebug)
        {
        }

        public void InPacket(Packet NewPack)
        {
        }

        public void Close()
        {
        }

        public void Stop()
        {

        }

        private uint m_circuitCode;

        public uint CircuitCode
        {
            get { return m_circuitCode; }
            set { m_circuitCode = value; }
        }

        public void SendLogoutPacket()
        {
        }
    }
}