import time
from collections import deque
from ETC import ExchangeConnection, Dir
from position import PositionManager

class OrderManager:
    def __init__(self, exchange: ExchangeConnection, positionMan: PositionManager):
        self.exchange = exchange
        self._order_size = 0
        
        self._send_timestamps = deque(maxlen=500)
        
        self.positionMan = positionMan

    def _next_order(self):
        self._order_size += 1
        return self._order_size
    
    def _attempt_send(self, action_type: str, order_id: int, symbol: str, dir: Dir, price: int, size: int) -> bool:
        """
        주문 전송을 시도합니다. 
        제한에 걸려 무시되면 False를, 정상 전송되면 True를 반환합니다.
        """
        now = time.time()
        
        if len(self._send_timestamps) == 500:
            elapsed = now - self._send_timestamps[0]
            if elapsed < 1.01:
                return False

        # 전송 조건 통과 시 실제 통신 수행
        if action_type == "add":
            self.exchange.send_add_message(symbol=symbol, order_id=order_id, dir=dir, price=price, size=size)
        elif action_type == "cancel":
            self.exchange.send_cancel_message(order_id=order_id)
        elif action_type == "convert":
            self.exchange.send_convert_message(symbol=symbol, order_id=order_id, dir=dir, size=size)
            
        self._send_timestamps.append(now)
        return True

    def sell(self, symbol: str, price: int, size: int):
        return self._attempt_send("add", order_id=self._next_order(), symbol=symbol, dir=Dir.SELL, price=price, size=size)

    def buy(self, symbol: str, price: int, size: int):
        return self._attempt_send("add", order_id=self._next_order(), symbol=symbol, dir=Dir.BUY, price=price, size=size)
    
    def convert(self, symbol: str, dir: Dir, size: int):
        return self._attempt_send("convert", order_id=self._next_order(), symbol=symbol, dir=dir, size=size)

    def cancel(self, order_id: int):
        return self._attempt_send("cancel", order_id=order_id)