/*
 * 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 OpenMetaverse;
using OpenSim.Framework.Communications.Cache;

namespace OpenSim.Framework.Communications
{
    /// <summary>
    /// This class manages references to OpenSim non-region services (inventory, user, etc.)
    /// </summary>
    /// 
    /// TODO: Service retrieval needs to be managed via plugin and interfaces requests, as happens for region
    /// modules from scene.  Among other things, this will allow this class to be used in many different contexts
    /// (from a grid service executable, to provide services on a region) without lots of messy nulls and confusion.
    /// Also, a post initialize step on the plugins will be needed so that we don't get tortuous problems with 
    /// circular dependencies between plugins.
    public class CommunicationsManager
    {
        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        protected Dictionary<UUID, string[]> m_nameRequestCache = new Dictionary<UUID, string[]>();

        public IUserService UserService
        {
            get { return m_userService; }
        }
        protected IUserService m_userService;

        public UserProfileCacheService UserProfileCacheService
        {
            get { return m_userProfileCacheService; }
        }
        protected UserProfileCacheService m_userProfileCacheService;

        public IAvatarService AvatarService
        {
            get { return m_avatarService; }
        }
        protected IAvatarService m_avatarService;

        public IInterServiceInventoryServices InterServiceInventoryService
        {
            get { return m_interServiceInventoryService; }
        }
        protected IInterServiceInventoryServices m_interServiceInventoryService;

        public NetworkServersInfo NetworkServersInfo
        {
            get { return m_networkServersInfo; }
        }
        protected NetworkServersInfo m_networkServersInfo;
             
        /// <summary>
        /// Interface to user service for administrating users.
        /// </summary>
        public IUserAdminService UserAdminService
        {
            get { return m_userAdminService; }
        }
        protected IUserAdminService m_userAdminService;

        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="serversInfo"></param>
        public CommunicationsManager(NetworkServersInfo serversInfo,
                                     LibraryRootFolder libraryRootFolder)
        {
            m_networkServersInfo = serversInfo;
            m_userProfileCacheService = new UserProfileCacheService(this, libraryRootFolder);
        }



        /// <summary>
        /// Logs off a user and does the appropriate communications
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="regionid"></param>
        /// <param name="regionhandle"></param>
        /// <param name="position"></param>
        /// <param name="lookat"></param>
        public void LogOffUser(UUID userid, UUID regionid, ulong regionhandle, Vector3 position, Vector3 lookat)
        {
            m_userService.LogOffUser(userid, regionid, regionhandle, position, lookat);
        }

        /// <summary>
        /// Logs off a user and does the appropriate communications (deprecated as of 2008-08-27)
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="regionid"></param>
        /// <param name="regionhandle"></param>
        /// <param name="posx"></param>
        /// <param name="posy"></param>
        /// <param name="posz"></param>
        public void LogOffUser(UUID userid, UUID regionid, ulong regionhandle, float posx, float posy, float posz)
        {
            m_userService.LogOffUser(userid, regionid, regionhandle, posx, posy, posz);
        }


        #region Packet Handlers

        public void UpdateAvatarPropertiesRequest(IClientAPI remote_client, UserProfileData UserProfile)
        {
            m_userService.UpdateUserProfile(UserProfile);
            return;
        }

        public List<AvatarPickerAvatar> GenerateAgentPickerRequestResponse(UUID queryID, string query)
        {
            List<AvatarPickerAvatar> pickerlist = m_userService.GenerateAgentPickerRequestResponse(queryID, query);
            return pickerlist;
        }

        #endregion
    }
}