"""Test the NextBus config flow."""

from collections.abc import Generator
from unittest.mock import MagicMock, patch

import pytest

from homeassistant import config_entries, setup
from homeassistant.components.nextbus.const import CONF_AGENCY, CONF_ROUTE, DOMAIN
from homeassistant.const import CONF_NAME, CONF_STOP
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResultType


@pytest.fixture
def mock_setup_entry() -> Generator[MagicMock, None, None]:
    """Create a mock for the nextbus component setup."""
    with patch(
        "homeassistant.components.nextbus.async_setup_entry",
        return_value=True,
    ) as mock_setup_entry:
        yield mock_setup_entry


@pytest.fixture
def mock_nextbus() -> Generator[MagicMock, None, None]:
    """Create a mock py_nextbus module."""
    with patch("homeassistant.components.nextbus.config_flow.NextBusClient") as client:
        yield client


async def test_import_config(
    hass: HomeAssistant, mock_setup_entry: MagicMock, mock_nextbus_lists: MagicMock
) -> None:
    """Test config is imported and component set up."""
    await setup.async_setup_component(hass, "persistent_notification", {})
    data = {
        CONF_AGENCY: "sf-muni",
        CONF_ROUTE: "F",
        CONF_STOP: "5650",
    }

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_IMPORT},
        data=data,
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.CREATE_ENTRY
    assert (
        result.get("title")
        == "San Francisco Muni F - Market & Wharves Market St & 7th St (Outbound)"
    )
    assert result.get("data") == {CONF_NAME: "sf-muni F", **data}

    assert len(mock_setup_entry.mock_calls) == 1

    # Check duplicate entries are aborted
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_IMPORT},
        data=data,
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.ABORT
    assert result.get("reason") == "already_configured"


@pytest.mark.parametrize(
    ("override", "expected_reason"),
    [
        ({CONF_AGENCY: "not muni"}, "invalid_agency"),
        ({CONF_ROUTE: "not F"}, "invalid_route"),
        ({CONF_STOP: "not 5650"}, "invalid_stop"),
    ],
)
async def test_import_config_invalid(
    hass: HomeAssistant,
    mock_setup_entry: MagicMock,
    mock_nextbus_lists: MagicMock,
    override: dict[str, str],
    expected_reason: str,
) -> None:
    """Test user is redirected to user setup flow because they have invalid config."""
    await setup.async_setup_component(hass, "persistent_notification", {})

    data = {
        CONF_AGENCY: "sf-muni",
        CONF_ROUTE: "F",
        CONF_STOP: "5650",
        **override,
    }

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_IMPORT},
        data=data,
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.ABORT
    assert result.get("reason") == expected_reason


async def test_user_config(
    hass: HomeAssistant, mock_setup_entry: MagicMock, mock_nextbus_lists: MagicMock
) -> None:
    """Test we get the form."""
    await setup.async_setup_component(hass, "persistent_notification", {})
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result.get("type") is FlowResultType.FORM
    assert result.get("step_id") == "agency"

    # Select agency
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_AGENCY: "sf-muni",
        },
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.FORM
    assert result.get("step_id") == "route"

    # Select route
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_ROUTE: "F",
        },
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.FORM
    assert result.get("step_id") == "stop"

    # Select stop
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_STOP: "5650",
        },
    )
    await hass.async_block_till_done()

    assert result.get("type") is FlowResultType.CREATE_ENTRY
    assert result.get("data") == {
        "agency": "sf-muni",
        "route": "F",
        "stop": "5650",
    }

    assert len(mock_setup_entry.mock_calls) == 1