"""Tests for the homewizard component."""
from asyncio import TimeoutError
from unittest.mock import MagicMock

from homewizard_energy.errors import DisabledError, HomeWizardEnergyException
import pytest

from homeassistant.components.homewizard.const import DOMAIN
from homeassistant.config_entries import SOURCE_REAUTH, ConfigEntryState
from homeassistant.core import HomeAssistant

from tests.common import MockConfigEntry


async def test_load_unload(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_homewizardenergy: MagicMock,
) -> None:
    """Test loading and unloading of integration."""
    mock_config_entry.add_to_hass(hass)
    await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state is ConfigEntryState.LOADED
    assert len(mock_homewizardenergy.device.mock_calls) == 1

    await hass.config_entries.async_unload(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state is ConfigEntryState.NOT_LOADED


async def test_load_failed_host_unavailable(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_homewizardenergy: MagicMock,
) -> None:
    """Test setup handles unreachable host."""
    mock_homewizardenergy.device.side_effect = TimeoutError()
    mock_config_entry.add_to_hass(hass)
    await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state is ConfigEntryState.SETUP_RETRY


async def test_load_detect_api_disabled(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_homewizardenergy: MagicMock,
) -> None:
    """Test setup detects disabled API."""
    mock_homewizardenergy.device.side_effect = DisabledError()
    mock_config_entry.add_to_hass(hass)
    await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state is ConfigEntryState.SETUP_RETRY

    flows = hass.config_entries.flow.async_progress()
    assert len(flows) == 1

    flow = flows[0]
    assert flow.get("step_id") == "reauth_confirm"
    assert flow.get("handler") == DOMAIN

    assert "context" in flow
    assert flow["context"].get("source") == SOURCE_REAUTH
    assert flow["context"].get("entry_id") == mock_config_entry.entry_id


@pytest.mark.usefixtures("mock_homewizardenergy")
async def test_load_removes_reauth_flow(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
) -> None:
    """Test setup removes reauth flow when API is enabled."""
    mock_config_entry.add_to_hass(hass)

    # Add reauth flow from 'previously' failed init
    mock_config_entry.async_start_reauth(hass)
    await hass.async_block_till_done()

    flows = hass.config_entries.flow.async_progress_by_handler(DOMAIN)
    assert len(flows) == 1

    await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state is ConfigEntryState.LOADED

    # Flow should be removed
    flows = hass.config_entries.flow.async_progress_by_handler(DOMAIN)
    assert len(flows) == 0


@pytest.mark.parametrize(
    "exception",
    [
        HomeWizardEnergyException,
        Exception,
    ],
)
async def test_load_handles_homewizardenergy_exception(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_homewizardenergy: MagicMock,
    exception: Exception,
) -> None:
    """Test setup handles exception from API."""
    mock_homewizardenergy.device.side_effect = exception
    mock_config_entry.add_to_hass(hass)
    await hass.config_entries.async_setup(mock_config_entry.entry_id)
    await hass.async_block_till_done()

    assert mock_config_entry.state in (
        ConfigEntryState.SETUP_RETRY,
        ConfigEntryState.SETUP_ERROR,
    )