using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.Json;

namespace SierraChartDTC.Helpers;

// Basic Enums necessary to process orders received from SierraChart DTC as well as establish connection

public static class DTCProtocol
{
    public const int DTC_VERSION_NUMBER = 8;
   

    public static string LogonRequest() 
    {
        object logonReq = new
        {
            Type = DTCType.LOGON_REQUEST,
            ProtocolVersion = DTC_VERSION_NUMBER,
            HeartbeatIntervalInSeconds = 60,
            TradeAccount = "Sim1",
            ClientName="RetailAlpha"
        };

        return JsonSerializer.Serialize(logonReq) + "\0";
    }



    public static string Heartbeat()
    {
        object heartbeatJSON = new
        {
            Type = DTCType.HEARTBEAT,
        };
        return JsonSerializer.Serialize(heartbeatJSON) + "\0";
    }
}


#region DTC Message Classes
public struct OrderUpdate
{
    public DTCType Type { get; set; }
    
    public int RequestID { get; set; }

    public int TotalNumMessages { get; set; }

    public int MessageNumber { get; set; }

    public DTCOrderStatus OrderStatus { get; set; }

    public DTCOrderUpdateReason OrderUpdateReason { get; set; }

    public DTCOrderType OrderType { get; set; }

    public DTCBuySell BuySell { get; set; }

    public int OrderQuantity { get; set; }

    public int Price1 { get; set; }

    public string Symbol { get; set; }

    public string ServerOrderID { get; set; }

    public string TradeAccount { get; set; }

    public string InfoText { get; set; }

    public string ParentServerOrderID { get; set; }

    public string OCOLinkedOrderServerOrderID { get; set; }

    public DTCOpenClose OpenOrClose { get; set; }

    public int OrderReceivedDateTime { get; set; }


}
#endregion

#region DTC Enums
public enum DTCType
{
    LOGON_REQUEST = 1,
    LOGON_RESPONSE = 2,
    HEARTBEAT = 3,
    ORDER_UPDATE = 301
}

public enum DTCOrderStatus
{
    ORDER_STATUS_PENDING_OPEN = 2,
    ORDER_STATUS_PENDING_CHILD = 3,
    ORDER_STATUS_OPEN = 4,
    ORDER_STATUS_PENDING_CANCEL_REPLACE = 5,
    ORDER_STATUS_PENDING_CANCEL = 6,
    ORDER_STATUS_FILLED = 7,
    ORDER_STATUS_CANCELED = 8,
    ORDER_STATUS_REJECTED = 9,
    ORDER_STATUS_PARTIALLY_FILLED = 10
}

public enum  DTCOrderUpdateReason
{
    OPEN_ORDERS_REQUEST_RESPONSE = 1,
    NEW_ORDER_ACCEPTED = 2,
    GENERAL_ORDER_UPDATE = 3,
    ORDER_FILLED = 4,
    ORDER_FILLED_PARTIALLY = 5,
    ORDER_CANCELED = 6,
    ORDER_CANCEL_REPLACE_COMPLETE = 7,
    NEW_ORDER_REJECTED = 8,
    ORDER_CANCEL_REJECTED = 9,
    ORDER_CANCEL_REPLACE_REJECTED = 10
}

public enum DTCOrderType
{
    ORDER_TYPE_MARKET = 1,
    ORDER_TYPE_LIMIT = 2,
    ORDER_TYPE_STOP = 3,
    ORDER_TYPE_STOP_LIMIT = 4
}

public enum DTCBuySell
{
    BUY = 1,
    SELL = 2
}

public enum DTCOpenClose
{
    TRADE_OPEN = 1,
    TRADE_CLOSE = 2
}
#endregion

// Custom Logging for Sierrachart messages (Used in cxn)
public class LogEntry
{
    public string Message { get; set; } = "";
    public LogEntryType Type { get; set; } = LogEntryType.Info;

    public LogEntry(string message, LogEntryType type = LogEntryType.Info)
    {
        Message = message;
        Type = type;
    }
}

public enum LogEntryType
{
    Info,
    Update,
    Success,
    Rejected
}