/*
 * 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 OpenSimulator 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.Reflection;

using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Server.Base;
using OpenSim.Services.Interfaces;
using OpenSim.Services.Connectors;
using PresenceInfo = OpenSim.Services.Interfaces.PresenceInfo;

using OpenMetaverse;
using log4net;
using Nini.Config;

namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Presence
{
    public class RemotePresenceServicesConnector : ISharedRegionModule, IPresenceService
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        #region ISharedRegionModule

        private bool m_Enabled = false;

        private PresenceDetector m_PresenceDetector;
        private IPresenceService m_RemoteConnector;

        public Type ReplaceableInterface
        {
            get { return null; }
        }

        public string Name
        {
            get { return "RemotePresenceServicesConnector"; }
        }

        public void Initialise(IConfigSource source)
        {
            IConfig moduleConfig = source.Configs["Modules"];
            if (moduleConfig != null)
            {
                string name = moduleConfig.GetString("PresenceServices", "");
                if (name == Name)
                {
                    m_RemoteConnector = new PresenceServicesConnector(source);

                    m_Enabled = true;

                    m_PresenceDetector = new PresenceDetector(this);

                    m_log.Info("[INVENTORY CONNECTOR]: Remote presence enabled");
                }
            }

        }

        public void PostInitialise()
        {
        }

        public void Close()
        {
        }

        public void AddRegion(Scene scene)
        {
            if (!m_Enabled)
                return;

            scene.RegisterModuleInterface<IPresenceService>(this);
            m_PresenceDetector.AddRegion(scene);

            m_log.InfoFormat("[REMOTE PRESENCE CONNECTOR]: Enabled remote presence for region {0}", scene.RegionInfo.RegionName);

        }

        public void RemoveRegion(Scene scene)
        {
            if (!m_Enabled)
                return;

            m_PresenceDetector.RemoveRegion(scene);
        }

        public void RegionLoaded(Scene scene)
        {
            if (!m_Enabled)
                return;

        }

        #endregion

        #region IPresenceService

        public bool LoginAgent(string userID, UUID sessionID, UUID secureSessionID)
        {
            m_log.Warn("[REMOTE PRESENCE CONNECTOR]: LoginAgent connector not implemented at the simulators");
            return false;
        }

        public bool LogoutAgent(UUID sessionID, Vector3 position, Vector3 lookat)
        {
            return m_RemoteConnector.LogoutAgent(sessionID, position, lookat);
        }


        public bool LogoutRegionAgents(UUID regionID)
        {
            return m_RemoteConnector.LogoutRegionAgents(regionID);
        }

        public bool ReportAgent(UUID sessionID, UUID regionID, Vector3 position, Vector3 lookAt)
        {
            return m_RemoteConnector.ReportAgent(sessionID, regionID, position, lookAt);
        }

        public PresenceInfo GetAgent(UUID sessionID)
        {
            return m_RemoteConnector.GetAgent(sessionID);
        }

        public PresenceInfo[] GetAgents(string[] userIDs)
        {
            return m_RemoteConnector.GetAgents(userIDs);
        }

        public bool SetHomeLocation(string userID, UUID regionID, Vector3 position, Vector3 lookAt)
        {
            return m_RemoteConnector.SetHomeLocation(userID, regionID, position, lookAt);
        }

        #endregion

    }
}