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*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
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*/
using System;
using System.Collections.Generic;
using OpenSim.Framework.Console;
using OpenSim.Framework.Interfaces;
using Db4objects.Db4o;

namespace OpenUser.Config.UserConfigDb4o
{
	public class Db4oConfigPlugin: IUserConfig
	{
		public UserConfig GetConfigObject()
		{
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("Loading Db40Config dll");
			return ( new DbUserConfig());
		}
	}
	
	public class DbUserConfig : UserConfig
	{
		private IObjectContainer db;	
		
		public void LoadDefaults() {
			OpenSim.Framework.Console.MainConsole.Instance.Notice("Config.cs:LoadDefaults() - Please press enter to retain default or enter new settings");
			
			this.DefaultStartupMsg = OpenSim.Framework.Console.MainConsole.Instance.CmdPrompt("Default startup message", "Welcome to OGS");

			this.GridServerURL = OpenSim.Framework.Console.MainConsole.Instance.CmdPrompt("Grid server URL","http://127.0.0.1:8001/");
            		this.GridSendKey = OpenSim.Framework.Console.MainConsole.Instance.CmdPrompt("Key to send to grid server","null");
            		this.GridRecvKey = OpenSim.Framework.Console.MainConsole.Instance.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) {
					OpenSim.Framework.Console.MainConsole.Instance.Verbose("Config.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 {
					OpenSim.Framework.Console.MainConsole.Instance.Verbose("Config.cs:InitConfig() - Could not find object in database, loading precompiled defaults");
					LoadDefaults();
					OpenSim.Framework.Console.MainConsole.Instance.Verbose("Writing out default settings to local database");
					db.Set(this);
					db.Close();
				}
			} catch(Exception e) {
				OpenSim.Framework.Console.MainConsole.Instance.Warn("Config.cs:InitConfig() - Exception occured");
                OpenSim.Framework.Console.MainConsole.Instance.Warn(e.ToString());
			}
			
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("User settings loaded:");
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("Default startup message: " + this.DefaultStartupMsg);
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("Grid server URL: " + this.GridServerURL);
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("Key to send to grid: " + this.GridSendKey);
			OpenSim.Framework.Console.MainConsole.Instance.Verbose("Key to expect from grid: " + this.GridRecvKey);
		}
	

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