import pandas as pd


class DukaMTInterface:
    """
    Interface between my askbid candlesticks and sasha's price candlesticks

    has two attributes -- bids and asks
    """

    def __init__(self, duka_candlesticks):
        # checking if provided is path or pandas dataframe
        if isinstance(duka_candlesticks, pd.DataFrame):
            self.duka_dataset = duka_candlesticks
        else:
            # reading index from column 0 and header takes two rows, because of multirow indexers
            self.duka_dataset = pd.read_csv(duka_candlesticks, index_col=0, header=[0, 1], parse_dates=True)

        # renaming timestamp to date
        self.duka_dataset['date'] = self.duka_dataset.index

        # droppnig old timestamp index
        self.duka_dataset.reset_index(inplace=True, drop=True)


        # adding bids
        self.bid_candlesticks = self.duka_dataset['bid'].copy()
        self.bid_candlesticks['date'] = self.duka_dataset['date']

        # adding asks
        self.ask_candlesticks = self.duka_dataset['ask'].copy()
        self.ask_candlesticks['date'] = self.duka_dataset['date']