/*
 * 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 libsecondlife;
using libsecondlife.Packets;
using OpenSim.Framework;
using OpenSim.Region.Environment.Scenes;

namespace OpenSim.Region.Examples.SimpleModule
{
    public class MyNpcCharacter : IClientAPI
    {
        private uint movementFlag = 0;
        private short flyState = 0;
        private LLQuaternion bodyDirection = LLQuaternion.Identity;
        private short count = 0;
        private short frame = 0;

#pragma warning disable 67

        public event Action<IClientAPI> OnLogout;
        public event ObjectPermissions OnObjectPermissions;

        public event MoneyTransferRequest OnMoneyTransferRequest;
        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 RezSingleAttachmentFromInv OnRezSingleAttachmentFromInv;
        public event ObjectAttach OnObjectAttach;
        public event StartAnim OnStartAnim;
        public event StopAnim OnStopAnim;
        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 FetchInventory OnAgentDataUpdateRequest;
        public event FetchInventory OnUserInfoRequest;
        public event TeleportLocationRequest OnSetStartLocationRequest;

        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 UpdateInventoryFolder OnUpdateInventoryFolder;
        public event MoveInventoryFolder OnMoveInventoryFolder;
        public event RemoveInventoryFolder OnRemoveInventoryFolder;
        public event RemoveInventoryItem OnRemoveInventoryItem;
        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 RequestAsset OnRequestAsset;

        public event UUIDNameRequest OnNameFromUUIDRequest;

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

        public event ParcelAccessListRequest OnParcelAccessListRequest;
        public event ParcelAccessListUpdateRequest OnParcelAccessListUpdateRequest;
        public event ParcelSelectObjects OnParcelSelectObjects;
        public event ParcelObjectOwnerRequest OnParcelObjectOwnerRequest;
        public event ObjectDeselect OnObjectDeselect;
        public event EstateOwnerMessageRequest OnEstateOwnerMessage;
        public event RegionInfoRequest OnRegionInfoRequest;
        public event EstateCovenantRequest OnEstateCovenantRequest;

        public event ObjectDuplicateOnRay OnObjectDuplicateOnRay;

        public event FriendActionDelegate OnApproveFriendRequest;
        public event FriendActionDelegate OnDenyFriendRequest;
        public event FriendshipTermination OnTerminateFriendship;
        public event PacketStats OnPacketStats;
        public event MoneyBalanceRequest OnMoneyBalanceRequest;
        public event UpdateAvatarProperties OnUpdateAvatarProperties;


#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 String Name
        {
            get { return FirstName + 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 SendAgentDataUpdate(LLUUID agentid, LLUUID activegroupid, string firstname, string lastname, ulong grouppowers, string groupname, string grouptitle)
        {

        }

        public virtual void SendKillObject(ulong regionHandle, uint localID)
        {
        }

        public virtual void SetChildAgentThrottle(byte[] throttle)
        {
        }
        public byte[] GetThrottlesPacked(float multiplier)
        {
            return new byte[0];
        }

        
        public virtual void SendAnimations(LLUUID[] animations, int[] seqs, 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(string reason)
        {
        }

        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 SendDialog(string objectname, LLUUID objectID, LLUUID ownerID, string msg, LLUUID textureID, int ch, string[] buttonlabels)
        {
        }

        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 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, byte[] textureanimation)
        {
        }
        public virtual void SendPrimTerseUpdate(ulong regionHandle, ushort timeDilation, uint localID,
                                                LLVector3 position, LLQuaternion rotation, byte state)
        {
        }

        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,
                                                       List<InventoryFolderBase> folders,
                                                       bool fetchFolders,
                                                       bool fetchItems)
        {
        }

        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 SendTriggeredSound(LLUUID soundID, LLUUID ownerID, LLUUID objectID, LLUUID parentID, ulong handle, LLVector3 position, float gain)
        {
        }

        public void SendAttachedSoundGainChange(LLUUID objectID, float gain)
        {

        }

        public void SendAlertMessage(string message)
        {
        }

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

        public void SendSystemAlertMessage(string message)
        {
        }

        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()
        {
            frame++;
            if (frame > 20)
            {
                frame = 0;
                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 >= 10)
                {
                    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(bool ShutdownCircuit)
        {
        }

        public void Stop()
        {
        }

        private uint m_circuitCode;

        public uint CircuitCode
        {
            get { return m_circuitCode; }
            set { m_circuitCode = value; }
        }
        public void SendBlueBoxMessage(LLUUID FromAvatarID, LLUUID fromSessionID, String FromAvatarName, String Message)
        {

        }
        public void SendLogoutPacket()
        {
        }

        public void Terminate()
        {
        }

        public ClientInfo GetClientInfo()
        {
            return null;
        }

        public void SetClientInfo(ClientInfo info)
        {
        }
    }
}