# Import required libraries
import numpy as np
import talib

# Define Expert Advisor class
class SmartMoneyExpertAdvisor:
    def __init__(self):
        # Initialize necessary variables
        self.is_position_open = False

    def calculate_indicator(self, prices):
        # Calculate the required indicators using TA-Lib or other libraries
        # Example: Calculate 20-day simple moving average (SMA)
        sma = talib.SMA(prices, timeperiod=20)
        
        # Add more indicators based on your strategy

        return sma

    def open_position(self, symbol, trade_type, volume):
        # Implement your position opening logic here
        # Example: Open a long (buy) position
        print(f"Opening {trade_type} position for {symbol} with volume {volume}")
        
        # Set the flag to indicate that a position is open
        self.is_position_open = True

    def close_position(self, symbol):
        # Implement your position closing logic here
        # Example: Close the position
        print(f"Closing position for {symbol}")
        
        # Reset the flag to indicate that no position is open
        self.is_position_open = False

    def on_new_tick(self, symbol, prices):
        # Calculate the required indicators
        indicator = self.calculate_indicator(prices)

        # Check for entry conditions
        if not self.is_position_open and prices[-1] > indicator[-1]:
            # Open a long position if conditions are met
            self.open_position(symbol, "long", 0.01)
        elif self.is_position_open and prices[-1] < indicator[-1]:
            # Close the position if conditions are met
            self.close_position(symbol)