"""Test Hue bridge."""
from unittest.mock import Mock, patch

from homeassistant.components.hue import bridge, errors

from tests.common import mock_coro


async def test_bridge_setup():
    """Test a successful setup."""
    hass = Mock()
    entry = Mock()
    api = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge', return_value=mock_coro(api)):
        assert await hue_bridge.async_setup() is True

    assert hue_bridge.api is api
    assert len(hass.config_entries.async_forward_entry_setup.mock_calls) == 1
    assert hass.config_entries.async_forward_entry_setup.mock_calls[0][1] == \
        (entry, 'light')


async def test_bridge_setup_invalid_username():
    """Test we start config flow if username is no longer whitelisted."""
    hass = Mock()
    entry = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge',
                      side_effect=errors.AuthenticationRequired):
        assert await hue_bridge.async_setup() is False

    assert len(hass.async_create_task.mock_calls) == 1
    assert len(hass.config_entries.flow.async_init.mock_calls) == 1
    assert hass.config_entries.flow.async_init.mock_calls[0][2]['data'] == {
        'host': '1.2.3.4'
    }


async def test_bridge_setup_timeout(hass):
    """Test we retry to connect if we cannot connect."""
    hass = Mock()
    entry = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge', side_effect=errors.CannotConnect):
        assert await hue_bridge.async_setup() is False

    assert len(hass.helpers.event.async_call_later.mock_calls) == 1
    # Assert we are going to wait 2 seconds
    assert hass.helpers.event.async_call_later.mock_calls[0][1][0] == 2


async def test_reset_cancels_retry_setup():
    """Test resetting a bridge while we're waiting to retry setup."""
    hass = Mock()
    entry = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge', side_effect=errors.CannotConnect):
        assert await hue_bridge.async_setup() is False

    mock_call_later = hass.helpers.event.async_call_later

    assert len(mock_call_later.mock_calls) == 1

    assert await hue_bridge.async_reset()

    assert len(mock_call_later.mock_calls) == 2
    assert len(mock_call_later.return_value.mock_calls) == 1


async def test_reset_if_entry_had_wrong_auth():
    """Test calling reset when the entry contained wrong auth."""
    hass = Mock()
    entry = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge',
                      side_effect=errors.AuthenticationRequired):
        assert await hue_bridge.async_setup() is False

    assert len(hass.async_create_task.mock_calls) == 1

    assert await hue_bridge.async_reset()


async def test_reset_unloads_entry_if_setup():
    """Test calling reset while the entry has been setup."""
    hass = Mock()
    entry = Mock()
    entry.data = {'host': '1.2.3.4', 'username': 'mock-username'}
    hue_bridge = bridge.HueBridge(hass, entry, False, False)

    with patch.object(bridge, 'get_bridge', return_value=mock_coro(Mock())):
        assert await hue_bridge.async_setup() is True

    assert len(hass.services.async_register.mock_calls) == 1
    assert len(hass.config_entries.async_forward_entry_setup.mock_calls) == 1

    hass.config_entries.async_forward_entry_unload.return_value = \
        mock_coro(True)
    assert await hue_bridge.async_reset()

    assert len(hass.config_entries.async_forward_entry_unload.mock_calls) == 1
    assert len(hass.services.async_remove.mock_calls) == 1