# pragma pylint: disable=missing-docstring, C0103, C0330
# pragma pylint: disable=protected-access, too-many-lines, invalid-name, too-many-arguments

from unittest.mock import MagicMock

from freqtrade.commands.optimize_commands import setup_optimize_configuration, start_edge
from freqtrade.enums import RunMode
from freqtrade.optimize.edge_cli import EdgeCli
from tests.conftest import (CURRENT_TEST_STRATEGY, get_args, log_has, log_has_re, patch_exchange,
                            patched_configuration_load_config_file)


def test_setup_optimize_configuration_without_arguments(mocker, default_conf, caplog) -> None:
    patched_configuration_load_config_file(mocker, default_conf)

    args = [
        'edge',
        '--config', 'config.json',
        '--strategy', CURRENT_TEST_STRATEGY,
    ]

    config = setup_optimize_configuration(get_args(args), RunMode.EDGE)
    assert config['runmode'] == RunMode.EDGE

    assert 'max_open_trades' in config
    assert 'stake_currency' in config
    assert 'stake_amount' in config
    assert 'exchange' in config
    assert 'pair_whitelist' in config['exchange']
    assert 'datadir' in config
    assert log_has('Using data directory: {} ...'.format(config['datadir']), caplog)
    assert 'timeframe' in config
    assert not log_has_re('Parameter -i/--ticker-interval detected .*', caplog)

    assert 'timerange' not in config
    assert 'stoploss_range' not in config


def test_setup_edge_configuration_with_arguments(mocker, edge_conf, caplog) -> None:
    patched_configuration_load_config_file(mocker, edge_conf)
    mocker.patch(
        'freqtrade.configuration.configuration.create_datadir',
        lambda c, x: x
    )

    args = [
        'edge',
        '--config', 'config.json',
        '--strategy', CURRENT_TEST_STRATEGY,
        '--datadir', '/foo/bar',
        '--timeframe', '1m',
        '--timerange', ':100',
        '--stoplosses=-0.01,-0.10,-0.001'
    ]

    config = setup_optimize_configuration(get_args(args), RunMode.EDGE)
    assert 'max_open_trades' in config
    assert 'stake_currency' in config
    assert 'stake_amount' in config
    assert 'exchange' in config
    assert 'pair_whitelist' in config['exchange']
    assert 'datadir' in config
    assert config['runmode'] == RunMode.EDGE
    assert log_has('Using data directory: {} ...'.format(config['datadir']), caplog)
    assert 'timeframe' in config
    assert log_has('Parameter -i/--timeframe detected ... Using timeframe: 1m ...',
                   caplog)

    assert 'timerange' in config
    assert log_has('Parameter --timerange detected: {} ...'.format(config['timerange']), caplog)


def test_start(mocker, fee, edge_conf, caplog) -> None:
    start_mock = MagicMock()
    mocker.patch('freqtrade.exchange.Exchange.get_fee', fee)
    patch_exchange(mocker)
    mocker.patch('freqtrade.optimize.edge_cli.EdgeCli.start', start_mock)
    patched_configuration_load_config_file(mocker, edge_conf)

    args = [
        'edge',
        '--config', 'config.json',
        '--strategy', CURRENT_TEST_STRATEGY,
    ]
    pargs = get_args(args)
    start_edge(pargs)
    assert log_has('Starting freqtrade in Edge mode', caplog)
    assert start_mock.call_count == 1


def test_edge_init(mocker, edge_conf) -> None:
    patch_exchange(mocker)
    edge_conf['stake_amount'] = 20
    edge_cli = EdgeCli(edge_conf)
    assert edge_cli.config == edge_conf
    assert edge_cli.config['stake_amount'] == 'unlimited'
    assert callable(edge_cli.edge.calculate)


def test_edge_init_fee(mocker, edge_conf) -> None:
    patch_exchange(mocker)
    edge_conf['fee'] = 0.1234
    edge_conf['stake_amount'] = 20
    fee_mock = mocker.patch('freqtrade.exchange.Exchange.get_fee', MagicMock(return_value=0.5))
    edge_cli = EdgeCli(edge_conf)
    assert edge_cli.edge.fee == 0.1234
    assert fee_mock.call_count == 0


def test_edge_start(mocker, edge_conf) -> None:
    mock_calculate = mocker.patch('freqtrade.edge.edge_positioning.Edge.calculate',
                                  return_value=True)
    table_mock = mocker.patch('freqtrade.optimize.edge_cli.generate_edge_table')

    patch_exchange(mocker)
    edge_conf['stake_amount'] = 20

    edge_cli = EdgeCli(edge_conf)
    edge_cli.start()
    assert mock_calculate.call_count == 1
    assert table_mock.call_count == 1
