import model
import sys
import stocks
import view

"""
    This is the controller file
"""

if __name__ == '__main__':
    timestamp_latest = model.get_timestamp_latest()
    timestamp_stored = model.get_timestamp_stored()
    if timestamp_latest == timestamp_stored:
        """Nothing to do"""
        sys.exit()
    # Update timestamp_stored
    model.put_timestamp_stored(timestamp_latest)
    timestamp_previous = model.get_timestamp_previous()
    for stock in stocks.stocks:
        data_previous = model.get_data(stock.stock_id, timestamp_previous)
        data_latest = model.get_data(stock.stock_id, timestamp_latest)
        threshold = stock[3]
        is_drop = model.process_data(data_previous, data_latest, threshold)
        stock_name = stock[0]
        current_price = data_latest.current_price
        quantity = data_latest.available_shares = data_previous.available_shares
        message = view.create_message(
            stock_name, timestamp_latest, current_price, quantity)
        print(message)
        if is_drop:
            view.broadcast(message)