/*

 * Copyright (c) Contributors, http://aurora-sim.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 Aurora-Sim 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 Aurora.Framework;

using Aurora.Framework.Modules;

using Aurora.Framework.SceneInfo;

using OpenMetaverse;

using OpenMetaverse.StructuredData;



namespace Aurora.ScriptEngine.AuroraDotNetEngine.Plugins

{

    public class XmlRequestPlugin : IScriptPlugin

    {

        private readonly List<IXMLRPC> m_modules = new List<IXMLRPC>();

        public ScriptEngine m_ScriptEngine;



        #region IScriptPlugin Members



        public bool RemoveOnStateChange

        {

            get { return false; }

        }



        public void Initialize(ScriptEngine ScriptEngine)

        {

            m_ScriptEngine = ScriptEngine;

        }



        public void AddRegion(IScene scene)

        {

            m_modules.Add(scene.RequestModuleInterface<IXMLRPC>());

        }



        public bool Check()

        {

            bool needToContinue = false;

            foreach (IXMLRPC xmlrpc in m_modules)

            {

                if (xmlrpc == null)

                    continue;

                IXmlRpcRequestInfo rInfo = xmlrpc.GetNextCompletedRequest();

                ISendRemoteDataRequest srdInfo = (ISendRemoteDataRequest) xmlrpc.GetNextCompletedSRDRequest();



                if (!needToContinue)

                    needToContinue = xmlrpc.hasRequests();



                if (rInfo == null && srdInfo == null)

                    continue;



                while (rInfo != null)

                {

                    xmlrpc.RemoveCompletedRequest(rInfo.GetMessageID());



                    //Deliver data to prim's remote_data handler

                    object[] resobj = new object[]

                                          {

                                              new LSL_Types.LSLInteger(2),

                                              new LSL_Types.LSLString(

                                                  rInfo.GetChannelKey().ToString()),

                                              new LSL_Types.LSLString(

                                                  rInfo.GetMessageID().ToString()),

                                              new LSL_Types.LSLString(String.Empty),

                                              new LSL_Types.LSLInteger(rInfo.GetIntValue()),

                                              new LSL_Types.LSLString(rInfo.GetStrVal())

                                          };



                    m_ScriptEngine.PostScriptEvent(

                        rInfo.GetItemID(), rInfo.GetPrimID(), new EventParams(

                                                                  "remote_data", resobj,

                                                                  new DetectParams[0]), EventPriority.Suspended);



                    rInfo = xmlrpc.GetNextCompletedRequest();

                }



                while (srdInfo != null)

                {

                    xmlrpc.RemoveCompletedSRDRequest(srdInfo.GetReqID());



                    //Deliver data to prim's remote_data handler

                    object[] resobj = new object[]

                                          {

                                              new LSL_Types.LSLInteger(3),

                                              new LSL_Types.LSLString(srdInfo.Channel),

                                              new LSL_Types.LSLString(srdInfo.GetReqID().ToString()),

                                              new LSL_Types.LSLString(String.Empty),

                                              new LSL_Types.LSLInteger(srdInfo.Idata),

                                              new LSL_Types.LSLString(srdInfo.Sdata)

                                          };



                    m_ScriptEngine.PostScriptEvent(

                        srdInfo.ItemID, srdInfo.PrimID, new EventParams(

                                                            "remote_data", resobj,

                                                            new DetectParams[0]), EventPriority.Suspended);



                    srdInfo = (ISendRemoteDataRequest) xmlrpc.GetNextCompletedSRDRequest();

                }

            }

            return needToContinue;

        }



        public string Name

        {

            get { return "XmlRequest"; }

        }



        public OSD GetSerializationData(UUID itemID, UUID primID)

        {

            return "";

        }



        public void CreateFromData(UUID itemID, UUID objectID, OSD data)

        {

        }



        public void RemoveScript(UUID primID, UUID itemID)

        {

            foreach (IXMLRPC xmlrpc in m_modules)

            {

                xmlrpc.DeleteChannels(itemID);

                xmlrpc.CancelSRDRequests(itemID);

            }

        }



        #endregion



        public void Dispose()

        {

        }

    }

}