from freqtrade.main import refresh_whitelist, gen_pair_whitelist

# whitelist, blacklist, filtering, all of that will
# eventually become some rules to run on a generic ACL engine
# perhaps try to anticipate that by using some python package


def whitelist_conf():
    return {
        'stake_currency': 'BTC',
        'exchange': {
            'pair_whitelist': [
                'BTC_ETH',
                'BTC_TKN',
                'BTC_TRST',
                'BTC_SWT',
                'BTC_BCC'
            ],
            'pair_blacklist': [
                'BTC_BLK'
            ],
        },
    }


def get_market_summaries():
    return [{
        'MarketName': 'BTC-TKN',
        'High': 0.00000919,
        'Low': 0.00000820,
        'Volume': 74339.61396015,
        'Last': 0.00000820,
        'BaseVolume': 1664,
        'TimeStamp': '2014-07-09T07:19:30.15',
        'Bid': 0.00000820,
        'Ask': 0.00000831,
        'OpenBuyOrders': 15,
        'OpenSellOrders': 15,
        'PrevDay': 0.00000821,
        'Created': '2014-03-20T06:00:00',
        'DisplayMarketName': ''
    }, {
        'MarketName': 'BTC-ETH',
        'High': 0.00000072,
        'Low': 0.00000001,
        'Volume': 166340678.42280999,
        'Last': 0.00000005,
        'BaseVolume': 42,
        'TimeStamp': '2014-07-09T07:21:40.51',
        'Bid': 0.00000004,
        'Ask': 0.00000005,
        'OpenBuyOrders': 18,
        'OpenSellOrders': 18,
        'PrevDay': 0.00000002,
        'Created': '2014-05-30T07:57:49.637',
        'DisplayMarketName': ''
    }, {
        'MarketName': 'BTC-BLK',
        'High': 0.00000072,
        'Low': 0.00000001,
        'Volume': 166340678.42280999,
        'Last': 0.00000005,
        'BaseVolume': 3,
        'TimeStamp': '2014-07-09T07:21:40.51',
        'Bid': 0.00000004,
        'Ask': 0.00000005,
        'OpenBuyOrders': 18,
        'OpenSellOrders': 18,
        'PrevDay': 0.00000002,
        'Created': '2014-05-30T07:57:49.637',
        'DisplayMarketName': ''
    }]


def get_health():
    return [{'Currency': 'ETH',
             'IsActive': True
             },
            {'Currency': 'TKN',
             'IsActive': True
             },
            {'Currency': 'BLK',
             'IsActive': True
             }
            ]


def get_health_empty():
    return []


def test_refresh_market_pair_not_in_whitelist(mocker):
    conf = whitelist_conf()
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_wallet_health=get_health)
    refreshedwhitelist = refresh_whitelist(
        conf['exchange']['pair_whitelist'] + ['BTC_XXX'])
    # List ordered by BaseVolume
    whitelist = ['BTC_ETH', 'BTC_TKN']
    # Ensure all except those in whitelist are removed
    assert whitelist == refreshedwhitelist


def test_refresh_whitelist(mocker):
    conf = whitelist_conf()
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_wallet_health=get_health)
    refreshedwhitelist = refresh_whitelist(conf['exchange']['pair_whitelist'])
    # List ordered by BaseVolume
    whitelist = ['BTC_ETH', 'BTC_TKN']
    # Ensure all except those in whitelist are removed
    assert whitelist == refreshedwhitelist


def test_refresh_whitelist_dynamic(mocker):
    conf = whitelist_conf()
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_wallet_health=get_health)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_market_summaries=get_market_summaries)
    # argument: use the whitelist dynamically by exchange-volume
    whitelist = ['BTC_TKN', 'BTC_ETH']
    refreshedwhitelist = refresh_whitelist(
        gen_pair_whitelist(conf['stake_currency']))
    assert whitelist == refreshedwhitelist


def test_refresh_whitelist_dynamic_empty(mocker):
    conf = whitelist_conf()
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_wallet_health=get_health_empty)
    # argument: use the whitelist dynamically by exchange-volume
    whitelist = []
    conf['exchange']['pair_whitelist'] = []
    refresh_whitelist(whitelist)
    pairslist = conf['exchange']['pair_whitelist']
    assert set(whitelist) == set(pairslist)