/*
* Copyright (c) Contributors, http://www.openmetaverse.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:
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*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
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*       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
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* 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.
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*/

using System;
using System.Collections.Generic;
using System.Reflection;
using libsecondlife;
using OpenSim.Framework.Console;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Servers;
using OpenSim.Framework.User;
using OpenSim.Framework.Utilities;
using OpenSim.GenericConfig;

namespace OpenSim.Grid.UserServer
{
    /// <summary>
    /// </summary>
    public class OpenUser_Main :  conscmd_callback
    {
        private string ConfigDll = "OpenSim.Grid.UserServer.Config.dll";
        private string StorageDll = "OpenSim.Framework.Data.MySQL.dll";
        private UserConfig Cfg;
        protected IGenericConfig localXMLConfig;

        public UserManager m_userManager;

        public Dictionary<LLUUID, UserProfile> UserSessions = new Dictionary<LLUUID, UserProfile>();

        LogBase m_console;

        [STAThread]
        public static void Main(string[] args)
        {
            Console.WriteLine("Launching UserServer...");

            OpenUser_Main userserver = new OpenUser_Main();

            userserver.Startup();
            userserver.Work();
        }

        private OpenUser_Main()
        {
            m_console = new LogBase("opengrid-userserver-console.log", "OpenUser", this , false);
            MainLog.Instance = m_console;
        }

        private void Work()
        {
            m_console.Notice("Enter help for a list of commands\n");

            while (true)
            {
                m_console.MainLogPrompt();
            }
        }

        public void Startup()
        {
            this.localXMLConfig = new XmlConfig("UserServerConfig.xml");
            this.localXMLConfig.LoadData();
            this.ConfigDB(this.localXMLConfig);
            this.localXMLConfig.Close();

            MainLog.Instance.Verbose("Main.cs:Startup() - Loading configuration");
            Cfg = this.LoadConfigDll(this.ConfigDll);
            Cfg.InitConfig();

            MainLog.Instance.Verbose("Main.cs:Startup() - Establishing data connection");
            m_userManager = new UserManager();
            m_userManager._config = Cfg;
            m_userManager.AddPlugin(StorageDll);

            MainLog.Instance.Verbose("Main.cs:Startup() - Starting HTTP process");
            BaseHttpServer httpServer = new BaseHttpServer(8002);

            httpServer.AddXmlRPCHandler("login_to_simulator", m_userManager.XmlRpcLoginMethod);

            httpServer.AddXmlRPCHandler("get_user_by_name", m_userManager.XmlRPCGetUserMethodName);
            httpServer.AddXmlRPCHandler("get_user_by_uuid", m_userManager.XmlRPCGetUserMethodUUID);

            httpServer.AddStreamHandler( new RestStreamHandler("DELETE", "/usersessions/", m_userManager.RestDeleteUserSessionMethod ));
            
            httpServer.Start();
            m_console.Status("Userserver 0.3 - Startup complete");
        }


        public void do_create(string what)
        {
            switch (what)
            {
                case "user":
                    string tempfirstname;
                    string templastname;
                    string tempMD5Passwd;
                    uint regX = 1000;
                    uint regY = 1000;

                    tempfirstname = m_console.CmdPrompt("First name");
                    templastname = m_console.CmdPrompt("Last name");
                    tempMD5Passwd = m_console.PasswdPrompt("Password");
                    regX = Convert.ToUInt32(m_console.CmdPrompt("Start Region X"));
                    regY = Convert.ToUInt32(m_console.CmdPrompt("Start Region Y"));

                    tempMD5Passwd = Util.Md5Hash(Util.Md5Hash(tempMD5Passwd) + ":" + "");

                    m_userManager.AddUserProfile(tempfirstname, templastname, tempMD5Passwd, regX, regY); 
                    break;
            }
        }

        public void RunCmd(string cmd, string[] cmdparams)
        {
            switch (cmd)
            {
                case "help":
                    m_console.Notice("create user - create a new user");
                    m_console.Notice("shutdown - shutdown the grid (USE CAUTION!)");
                    break;

                case "create":
                    do_create(cmdparams[0]);
                    break;

                case "shutdown":
                    m_console.Close();
                    Environment.Exit(0);
                    break;
            }
        }

        private void ConfigDB(IGenericConfig configData)
        {
            try
            {
                string attri = "";
                attri = configData.GetAttribute("DataBaseProvider");
                if (attri == "")
                {
                    StorageDll = "OpenSim.Framework.Data.DB4o.dll";
                    configData.SetAttribute("DataBaseProvider", "OpenSim.Framework.Data.DB4o.dll");
                }
                else
                {
                    StorageDll = attri;
                }
                configData.Commit();
            }
            catch
            {

            }
        }

        private UserConfig LoadConfigDll(string dllName)
        {
            Assembly pluginAssembly = Assembly.LoadFrom(dllName);
            UserConfig config = null;

            foreach (Type pluginType in pluginAssembly.GetTypes())
            {
                if (pluginType.IsPublic)
                {
                    if (!pluginType.IsAbstract)
                    {
                        Type typeInterface = pluginType.GetInterface("IUserConfig", true);

                        if (typeInterface != null)
                        {
                            IUserConfig plug = (IUserConfig)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
                            config = plug.GetConfigObject();
                            break;
                        }

                        typeInterface = null;
                    }
                }
            }
            pluginAssembly = null;
            return config;
        }

        public void Show(string ShowWhat)
        {
        }
    }
}