#!/usr/bin/env ruby
#
# This script allows you to cancel either a set of open Orders by their ids,
# or ALL Orders opened via IB API at once. The latter is useful when your
# robot goes crazy and opens gazillions of wrong limit orders.
#
# Accepts the port to connect to as  first command-parameter,  T)ws or G)ateway, which is the default
#	
#	Numeric Parameter are interpreted as keys for specific orders to kill

require 'bundler/setup'
require 'ib-api'
  specified_port = ARGV[0] || 'Gateway'
	port =  case specified_port
					when /^[gG]/ 
						ARGV.shift  # consume the first argument
						4002
					when /^[Tt]/
						ARGV.shift # consume the first argument
						7497
					end

# First, connect to IB TWS.
ib = IB::Connection.new client_id: 1111, port: port  do | gw |  

	# Subscribe to TWS alerts/errors and order-related messages
	gw.subscribe(:Alert, :ManagedAccounts, :OpenOrder, :OrderStatus, :OpenOrderEnd) { |msg| puts msg.to_human }
	# Set log level
	gw.logger.level = Logger::FATAL # DEBUG -- INFO -- WARN -- ERROR -- FATAL
end

if ARGV.empty?
  ib.send_message :RequestGlobalCancel
else
	puts "ARGV:  #{ARGV}"
  # Will only work for Orders placed under the same :client_id
  ib.cancel_order *ARGV
	puts '-'*55
	puts "Remaining Orders"
	puts '-'*55
end

puts '-'*55
puts "Remaining Orders"
ib.send_message :RequestAllOpenOrders
puts '-'*55

sleep 3


## Expected output
#12:20:25.154 Connected to server, version: 137,
# connection time: 2018-02-27 12:20:25 +0000 local, 2018-02-27T12:20:25+00:00 remote.
#12:20:25.156 Got message 5 (IB::Messages::Incoming::OpenOrder)
#<OpenOrder: <Stock: WFC USD> <Order: LMT GTC buy 100.0 1.13 Submitted #1/1562725191 from 1112/DU167348 fee 0.0>>
#12:20:25.158 Got message 3 (IB::Messages::Incoming::OrderStatus)
#<OrderStatus: <OrderState: Submitted #1/1562725191 from 1112 filled 0.0/100.0 at 0.0/0.0 why_held >>
#12:20:25.197 Got message 53 (IB::Messages::Incoming::OpenOrderEnd)
#<OpenOrderEnd: >
#12:20:25.197 Got message 15 (IB::Messages::Incoming::ManagedAccounts)
#12:20:25.197 No subscribers for message IB::Messages::Incoming::ManagedAccounts!
#12:20:25.197 Got message 9 (IB::Messages::Incoming::NextValidId)
#12:20:25.197 Got next valid order id: 2.
#12:20:25.254 Got message 5 (IB::Messages::Incoming::OpenOrder)
#<OpenOrder: <Stock: WFC USD> <Order: LMT GTC buy 100.0 1.13 PendingCancel #1/1562725191 from 1112/DU167348 fee 0.0>>
#12:20:25.256 Got message 3 (IB::Messages::Incoming::OrderStatus)
#<OrderStatus: <OrderState: PendingCancel #1/1562725191 from 1112 filled 0.0/100.0 at 0.0/0.0 why_held >>
#12:20:25.297 Got message 53 (IB::Messages::Incoming::OpenOrderEnd)
#<OpenOrderEnd: >
#12:20:25.342 Got message 3 (IB::Messages::Incoming::OrderStatus)
#<OrderStatus: <OrderState: Cancelled #1/1562725191 from 1112 filled 0.0/100.0 at 0.0/0.0 why_held >>
#12:20:25.343 Got message 4 (IB::Messages::Incoming::Alert)
#TWS Error 202: Order Canceled - reason:
##