import time
import grpc
import market_trade.constants
import tinkoff_grpc.src.instruments
import tinkoff_grpc.src.marketdata
import tinkoff_grpc.src.channel


def get_all_currencies(channel: tinkoff_grpc.src.channel.Channel):
    """
    This function takes channel and gets all currencies objects in channel
    :param channel: channel.Channel object
    :return: array of Currency object
    """
    # initializing service
    instruments_service = tinkoff_grpc.src.instruments.InstrumentsService(channel)

    # getting currencies
    currencies = instruments_service.get_currencies(
        instrument_status_name=market_trade.constants.DEFAULT_INSTRUMENT_STATUS
    )
    return currencies




if __name__ == '__main__':
    api_address = market_trade.constants.TINKOFF_API_ADDRESS
    token = market_trade.constants.TINKOFF_BEARER_TOKEN
    authorization_field = market_trade.constants.TINKOFF_AUTHORIZATION_HEADER
    with tinkoff_grpc.src.channel.Channel(api_address=api_address, token=token, authorization_field=authorization_field) as tinkoff_channel:
        currencies = get_all_currencies(tinkoff_channel)
        while True:
            time.sleep(1)
            try:
                tinkoff_trades_saver = tinkoff_grpc.savers.TradesSaver(channel=tinkoff_channel, instruments=currencies,
                                                                       filepath=market_trade.constants.CURRENCIES_TRADES_PATH)
                tinkoff_trades_saver.start()
            except grpc.RpcError as grpc_error:
                pass