/*
 * 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 Db4objects.Db4o;
using OpenSim.Framework.Configuration;
using OpenSim.Framework.Console;
using OpenSim.Framework.Interfaces;

namespace OpenUser.Config.UserConfigDb4o
{
    public class Db4oConfigPlugin: IUserConfig
    {
        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        public UserConfig GetConfigObject()
        {
            m_log.Info("[DBUSERCONFIG]: Loading Db40Config dll");
            return ( new DbUserConfig());
        }
    }

    public class DbUserConfig : UserConfig
    {
        private IObjectContainer db;

        public void LoadDefaults()
        {
            m_log.Info("DbUserConfig.cs:LoadDefaults() - Please press enter to retain default or enter new settings");

            this.DefaultStartupMsg = m_log.CmdPrompt("Default startup message", "Welcome to OGS");

            this.GridServerURL = m_log.CmdPrompt("Grid server URL","http://127.0.0.1:" + GridConfig.DefaultHttpPort.ToString() + "/");
            this.GridSendKey = m_log.CmdPrompt("Key to send to grid server","null");
            this.GridRecvKey = m_log.CmdPrompt("Key to expect from grid server","null");
        }

        public override void InitConfig()
        {
            try
            {
                db = Db4oFactory.OpenFile("openuser.yap");
                IObjectSet result = db.Get(typeof(DbUserConfig));
                if(result.Count==1)
                {
                    m_log.Info("[DBUSERCONFIG]: DbUserConfig.cs:InitConfig() - Found a UserConfig object in the local database, loading");
                    foreach (DbUserConfig cfg in result)
                    {
                        this.GridServerURL=cfg.GridServerURL;
                        this.GridSendKey=cfg.GridSendKey;
                        this.GridRecvKey=cfg.GridRecvKey;
                        this.DefaultStartupMsg=cfg.DefaultStartupMsg;
                    }
                }
                else
                {
                    m_log.Info("[DBUSERCONFIG]: DbUserConfig.cs:InitConfig() - Could not find object in database, loading precompiled defaults");
                    LoadDefaults();
                    m_log.Info("[DBUSERCONFIG]: Writing out default settings to local database");
                    db.Set(this);
                    db.Close();
                }
            }
            catch(Exception e)
            {
                m_log.Warn("DbUserConfig.cs:InitConfig() - Exception occured");
                m_log.Warn(e.ToString());
            }

            m_log.Info("[DBUSERCONFIG]: User settings loaded:");
            m_log.Info("[DBUSERCONFIG]: Default startup message: " + this.DefaultStartupMsg);
            m_log.Info("[DBUSERCONFIG]: Grid server URL: " + this.GridServerURL);
            m_log.Info("[DBUSERCONFIG]: Key to send to grid: " + this.GridSendKey);
            m_log.Info("[DBUSERCONFIG]: Key to expect from grid: " + this.GridRecvKey);
        }

        public void Shutdown()
        {
            db.Close();
        }
    }
}
