using System;
using System.Threading;

using Duck.Managers;
using Duck.Net.Game;

namespace Duck
{
    /// <summary>
    /// The main entry point for Duck.
    /// </summary>
    public static class Quack
    {
        #region Methods
        /// <summary>
        /// The main entry point of the emulator. No arguments are supported.
        /// </summary>
        /// <param name="args"></param>
        public static void Main(string[] args)
        {
            Console.WindowHeight = Console.LargestWindowHeight - 25;
            Console.WindowWidth = Console.LargestWindowWidth - 25;
            Console.CursorVisible = false;
            Console.Title = "Project Duck";

            Console.ForegroundColor = ConsoleColor.DarkCyan;
            IO.WritePlain("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&");
            Console.ForegroundColor = ConsoleColor.Gray;

            IO.WritePlain("Project DUCK");
            IO.WritePlain("HABBO HOTEL V9 EMULATOR");
            IO.WritePlain("WRITTEN BY: <them names>");
            IO.WritePlain(" PEDOBEAR APPROVED: false");
            IO.WritePlain(" LANG: C#.NET 3.5");

            Console.ForegroundColor = ConsoleColor.DarkCyan;
            IO.WritePlain("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&");
            Console.ForegroundColor = ConsoleColor.Gray;

            Boot();
            Console.ReadKey();
        }
        /// <summary>
        /// Starts up the Duck emulator.
        /// </summary>
        public static void Boot()
        {
            IO.WriteBlank();

            DateTime _START = DateTime.Now;
            IO.WriteLine("Starting up Duck...");
            ThreadPool.SetMaxThreads(300, 400);
            IO.WriteLine("Expanded threadpool.");
            IO.WriteLine(@"Checking for mysql.ini...");

            string sqlConfigLocation = IO.workingDirectory + @"\mysql.ini";
            if (System.IO.File.Exists(sqlConfigLocation) == false)
            {
                IO.WriteError("mysql.ini not found at " + sqlConfigLocation);
                Shutdown();
                return;
            }

            IO.WriteLine("mysql.ini found at " + sqlConfigLocation);
            IO.WriteBlank();

            string dbHost = IO.readINI("mysql", "host", sqlConfigLocation);
            int dbPort = int.Parse(IO.readINI("mysql", "port", sqlConfigLocation));
            string dbUsername = IO.readINI("mysql", "username", sqlConfigLocation);
            string dbPassword = IO.readINI("mysql", "password", sqlConfigLocation);
            string dbName = IO.readINI("mysql", "database", sqlConfigLocation);

            if (DB.openConnection(dbHost, dbPort, dbName, dbUsername, dbPassword) == false)
            {
                Shutdown();
                return;
            }

            Config.Init();
            IO.WriteBlank();

            Access.initAccessRanks();
            IO.WriteBlank();

            stringManager.Init(Config.getStringEntry("strings.language"));
            int infoPort = Config.getNumericEntry("sockets.info.port");
            int infoMaxConnections = Config.getNumericEntry("sockets.info.maxconnections");
            int infoBackLog = Config.getNumericEntry("sockets.info.backlog");

            if (infoSocketServer.Init(infoPort, infoMaxConnections, infoBackLog) == false)
            {
                Shutdown();
                return;
            }
            userManager.Init();
            IO.WriteBlank();

            resetDynamics();
            IO.WriteBlank();

            printDatabaseStats();
            IO.WriteBlank();

            DateTime _STOP = DateTime.Now;
            TimeSpan _TST = _STOP - _START;
            IO.WriteLine("Startup time in fixed milliseconds: " + ((int)(_TST.TotalMilliseconds)).ToString() + ".");

            GC.Collect();
            IO.WriteLine("Project Duck is ready for connections.");

            IO.minimumImportance = IO.logFlags.mehAction; // All logs
        }
        /// <summary>
        /// Safely shuts Duck down, closing database connections etc.
        /// </summary>
        public static void Shutdown()
        {
            IO.WriteBlank();

            DB.closeConnection();
            IO.WriteLine("Quack. Shutdown completed. Press a key to exit.");
            Console.ReadKey(true);
            Environment.Exit(2);
        }

        #region Fancy methods
        /// <summary>
        /// Prints the amount of registered users, the amount of created guestrooms and the amount of active furniture to the console.
        /// </summary>
        private static void printDatabaseStats()
        {
            int userCount = DB.runRead("SELECT COUNT(*) FROM users", null);
            int roomCount = DB.runRead("SELECT COUNT(*) FROM rooms", null);
            int itemCount = DB.runRead("SELECT COUNT(*) FROM furniture", null);
            IO.WriteLine("Result: " + userCount + " users, " + roomCount + " rooms and " + itemCount + " furnitures.");
        }
        private static void resetDynamics()
        {
            DB.runQuery("UPDATE duck_stats SET onlinecount = '0',onlinecount_peak = '0',connections_accepted = '0',activerooms = '0'");
            DB.runQuery("UPDATE rooms SET visitors_now = '0'");

            IO.WriteLine("Client connection statistics reset.");
            IO.WriteLine("Room inside counts reset.");
        }
        #endregion
        #endregion
    }
}