#!/usr/bin/env python3
# ~~~~~==============   HOW TO RUN   ==============~~~~~
# 1) Configure things in CONFIGURATION section
# 2) Change permissions: chmod +x bot.py
# 3) Run in loop: while true; do ./bot.py --test prod-like; sleep 1; done
import argparse
import time
from ETC import ExchangeConnection, Dir, team_name
from manager import Manager

# ~~~~~============== CONFIGURATION  ==============~~~~~
# Replace "REPLACEME" with your team name!

# ~~~~~============== MAIN LOOP ==============~~~~~

# You should put your code here! We provide some starter code as an example,
# but feel free to change/remove/edit/update any of it as you'd like. If you
# have any questions about the starter code, or what to do next, please ask us!
#
# To help you get started, the sample code below tries to buy BOND for a low
# price, and it prints the current prices for VALE every second. The sample
# code is intended to be a working example, but it needs some improvement
# before it will start making good trades!

last_print_time = 0

def main():
    global last_print_time
    
    args = parse_arguments()
    exchange = ExchangeConnection(args=args)
    man = Manager(exchange)
    
    hello_message = exchange.read_message()
    print("First message from exchange:", hello_message)
    
    #
    last_print_time = time.time()

    while True:
        message = exchange.read_message()

        if message["type"] == "close":
            print("The round has ended")
            break
        elif message["type"] == "error":
            print(message)
        elif message["type"] == "reject":
            print(message)
        elif message["type"] == "fill":
            on_fill(message, man)
        elif message["type"] == "book":
            on_book(message, man)
            
def on_fill(message, man: Manager):
    if (message["dir"] == Dir.BUY):
        man.positionMan.update_position(message["symbol"], message["size"])
    elif (message["dir"] == Dir.SELL):
        man.positionMan.update_position(message["symbol"], -message["size"])
    
def on_book(message, man: Manager):
    global last_print_time
    
    man.valueMan.set_value(message["symbol"], message["buy"][0][0], message["sell"][0][0])
    
    if message["symbol"] == "VALE" or message["symbol"] == "VALBZ":
        def best_price(side):
            if message[side]:
                return message[side][0][0]
        # best_price("buy")
        # best_price("sell")

        now = time.time()

        if now > last_print_time:
            last_print_time = now
            
            valePos = man.positionMan.get_position("VALE")
            valeBid = man.valueMan.get_bid("VALE")
            valeAsk = man.valueMan.get_ask("VALE")
            valbzPos = man.positionMan.get_position("VALBZ")
            valbzBid = man.valueMan.get_bid("VALBZ")
            valbzAsk = man.valueMan.get_ask("VALBZ")
            FEE = 10
            if (valePos * valeBid + FEE < 
                valbzPos * valbzBid):
                man.orderMan.convert("VALE", Dir.SELL, valePos)
            if (valePos * valeBid > 
                valbzPos * valbzBid + FEE):
                man.orderMan.convert("VALBZ", Dir.SELL, valbzPos)
        


# ~~~~~============== PROVIDED CODE ==============~~~~~

# You probably don't need to edit anything below this line, but feel free to
# ask if you have any questions about what it is doing or how it works. If you
# do need to change anything below this line, please feel free to





def parse_arguments():
    test_exchange_port_offsets = {"prod-like": 0, "slower": 1, "empty": 2}

    parser = argparse.ArgumentParser(description="Trade on an ETC exchange!")
    exchange_address_group = parser.add_mutually_exclusive_group(required=True)
    exchange_address_group.add_argument(
        "--production", action="store_true", help="Connect to the production exchange."
    )
    exchange_address_group.add_argument(
        "--test",
        type=str,
        choices=test_exchange_port_offsets.keys(),
        help="Connect to a test exchange.",
    )

    # Connect to a specific host. This is only intended to be used for debugging.
    exchange_address_group.add_argument(
        "--specific-address", type=str, metavar="HOST:PORT", help=argparse.SUPPRESS
    )

    args = parser.parse_args()
    args.add_socket_timeout = True

    if args.production:
        args.exchange_hostname = "production"
        args.port = 25000
    elif args.test:
        args.exchange_hostname = "test-exch-" + team_name
        args.port = 22000 + test_exchange_port_offsets[args.test]
        if args.test == "empty":
            args.add_socket_timeout = False
    elif args.specific_address:
        args.exchange_hostname, port = args.specific_address.split(":")
        args.port = int(port)

    return args


if __name__ == "__main__":
    # Check that [team_name] has been updated.
    assert team_name != "REPLAC" + "EME", (
        "Please put your team name in the variable [team_name]."
    )

    main()