using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TradeIdeas.MiscSupport;

namespace TIProAutoTradeExtension
{
    public class ReduceRiskExit : IAdvancedExit
    {
        private Position _position = null;
        public Position Position
        {
            get { return _position; }
            set { _position = value; }
        }

        private bool _triggered = false;
        public bool Triggered
        {
            get { return _triggered; }
        }

        public ReduceRiskExit(Position position)
        {
            _position = position;
        }

        private readonly double TIMESTOP_PERCENT_COMPLETE_TRESHOLD = 75;

        public void Evaluate()
        {
            if (null != _position && _position.TimeStop.HasValue && _position.Shares != 0 && null != _position.TimeStopOrder)
            {
                DateTime positionOpened = _position.Created;
                DateTime timeStop = _position.TimeStop.Value;

                TimeSpan totalTimeStop = timeStop - positionOpened;
                TimeSpan elapsed = ServerFormats.Now - positionOpened;

                double percentComplete = elapsed.TotalMinutes / totalTimeStop.TotalMinutes * 100;
                if (percentComplete > TIMESTOP_PERCENT_COMPLETE_TRESHOLD && _position.TotalProfit < 0)
                {
                    _triggered = true;
                    foreach (TradeOrder timeStopOrder in _position.TimeStopOrder.ToList())
                    {
                        TradeOrder updatedOrder = new TradeOrder(timeStopOrder);
                        updatedOrder.GoodAfterTime = ServerFormats.Now;
                        _position.Broker.ModifyOrder(updatedOrder);
                    }
                }
            }
        }
    }
}