from datetime import timedelta
from logging import Logger

import pandas as pd

from catalyst.exchange.exchange_bundle import ExchangeBundle
from catalyst.exchange.init_utils import get_exchange

log = Logger('test_exchange_bundle')


class ExchangeBundleTestCase:
    def test_ingest_minute(self):
        exchange_name = 'bitfinex'

        # start = pd.to_datetime('2017-09-01', utc=True)
        end = pd.Timestamp.utcnow() - timedelta(minutes=5)
        start = end - timedelta(minutes=30)

        exchange_bundle = ExchangeBundle(get_exchange(exchange_name))

        log.info('ingesting exchange bundle {}'.format(exchange_name))
        exchange_bundle.ingest(
            data_frequency='minute',
            include_symbols='neo_btc',
            exclude_symbols=None,
            start=start,
            end=end,
            show_progress=True
        )
        pass

    def test_ingest_minute_all(self):
        exchange_name = 'bitfinex'

        # start = pd.to_datetime('2017-09-01', utc=True)
        start = pd.to_datetime('2017-10-01', utc=True)
        end = pd.to_datetime('2017-10-05', utc=True)

        exchange_bundle = ExchangeBundle(get_exchange(exchange_name))

        log.info('ingesting exchange bundle {}'.format(exchange_name))
        exchange_bundle.ingest(
            data_frequency='minute',
            exclude_symbols=None,
            start=start,
            end=end,
            show_progress=True
        )
        pass

    def test_ingest_daily(self):
        exchange_name = 'bitfinex'

        start = pd.to_datetime('2017-09-01', utc=True)
        end = pd.Timestamp.utcnow()

        exchange_bundle = ExchangeBundle(get_exchange(exchange_name))

        log.info('ingesting exchange bundle {}'.format(exchange_name))
        exchange_bundle.ingest(
            data_frequency='daily',
            include_symbols='neo_btc',
            exclude_symbols=None,
            start=start,
            end=end,
            show_progress=True
        )
        pass