class Program
    {
        /// <summary>
        /// Instance of the O2GO core.
        /// 
        /// It is strongly recommended to keep the core instance in 
        /// the static or instance property of the class instead of 
        /// local variable.
        /// </summary>
        static FXCore.CoreAut mCore;
        /// <summary>
        /// Instance of the O2GO Trade Desk.
        /// 
        /// It is strongly recommended to keep the core instance in 
        /// the static or instance property of the class instead of 
        /// local variable.
        /// </summary>
        static FXCore.TradeDeskAut mDesk;

        static void Main(string[] args)
        {
            if (args.Length != 4)
            {
                Console.WriteLine("Usage: opentrade_sample user password url connection");
                return;
            }

            try
            {
                //Create an instance of O2GO core
                mCore = new FXCore.CoreAut();
                //Create an instance of O2GO core
                mDesk = (FXCore.TradeDeskAut)mCore.CreateTradeDesk("trader");
            }
            catch (Exception e)
            {
                Console.WriteLine("Creation of O2GO objects failed");
                Console.WriteLine("{0}", e.ToString());
                return ;
            }

            try
            {
                mDesk.Login(args[0], args[1], args[2], args[3]);
            }
            catch (Exception e)
            {
                Console.WriteLine("Login failed");
                Console.WriteLine("{0}", e.ToString());
                return;
            }

            try
            {
                //account information
                string account_id;
                string account_name;
                int min_amount;
                
                //qoute information
                string instrument;
                double rate;
                string quote_id;

                try
                {
                    //find the account information for the trade
                    FXCore.TableAut accounts = (FXCore.TableAut)mDesk.FindMainTable("accounts");
                    //...and get the account identifier, printable account name and 
                    // minimal amount for the trade for the first existing account
                    account_id = (string)accounts.CellValue(1, "AccountID");
                    account_name = (string)accounts.CellValue(1, "AccountName");
                    min_amount = (int)accounts.CellValue(1, "BaseUnitSize");
                }
                catch (Exception e)
                {
                    Console.WriteLine("Failed to get the account information");
                    Console.WriteLine("{0}", e.ToString());
                    return;
                }

                try
                {
                    //find the quote information
                    FXCore.TableAut offers = (FXCore.TableAut)mDesk.FindMainTable("offers");
                    //get the instrument name, the current rate and quote identifier for the 
                    //first available instrument.
                    instrument = (string)offers.CellValue(1, "Instrument");
                    rate = (double)offers.CellValue(1, "Ask");
                    quote_id = (string)offers.CellValue(1, "QuoteID");
                }
                catch (Exception e)
                {
                    Console.WriteLine("Failed to get the quote information");
                    Console.WriteLine("{0}", e.ToString());
                    return;
                }

                object order_id = null, di = null;

                try
                {
                    //open the trade at the fixed rate
                    mDesk.OpenTrade(account_id, instrument, true, min_amount, rate, quote_id, 0, 0, 0, 0, out order_id, out di);
                    //the code above works, but the code below hangs
                    //mDesk.OpenTrade(account_name, instrument, true, min_amount, rate, quote_id, 0, 0, 0, 0, out order_id, out di);
                }
                catch (Exception e)
                {
                    Console.WriteLine("Failed to open the order");
                    Console.WriteLine("{0}", e.ToString());
                    return;
                }

                Console.WriteLine("Order {0} to buy {1} lots of {2} for {3} on account {4} is created",
                                   order_id, min_amount, instrument, rate, account_name);

                //wait while the trade appeared in the table, but no more than
                //5 seconds
                string trade_id = null;
                long start_time = DateTime.Now.Ticks;
                FXCore.TableAut trades = (FXCore.TableAut)mDesk.FindMainTable("trades");
                while (trade_id == null)
                {
                    if ((DateTime.Now.Ticks - start_time) > 500000000000)
                    {
                        Console.WriteLine("5 second timeout to wait for the trade exceeded");
                        return;
                    }

                    try
                    {
                        FXCore.RowAut row = (FXCore.RowAut)trades.FindRow("OpenOrderID", order_id, 0);
                        trade_id = (string)row.CellValue("TradeID");
                    }
                    catch (Exception )
                    {
                        //the trade is not found
                        Thread.Sleep(250);
                    }
                }

                Console.WriteLine("The ticket is {0}", trade_id);

                //and the close the trade by the current market price
                try
                {
                    mDesk.CloseTrade(trade_id, min_amount, 0, "", 0, out order_id, out di);
                }
                catch (Exception e)
                {
                    Console.WriteLine("Close trade operation is failed");
                    Console.WriteLine("{0}", e.ToString());
                    return;
                }

                Console.WriteLine("The trade {0} is closed by order {1}", trade_id, order_id);
            }
            finally
            {
                mDesk.Logout();
            }
        }
    }