"""Define tests for the GIOS config flow."""
from asynctest import patch
from gios import ApiError

from homeassistant import data_entry_flow
from homeassistant.components.gios import config_flow
from homeassistant.components.gios.const import CONF_STATION_ID
from homeassistant.const import CONF_NAME

CONFIG = {
    CONF_NAME: "Foo",
    CONF_STATION_ID: 123,
}

VALID_STATIONS = [
    {"id": 123, "stationName": "Test Name 1", "gegrLat": "99.99", "gegrLon": "88.88"},
    {"id": 321, "stationName": "Test Name 2", "gegrLat": "77.77", "gegrLon": "66.66"},
]

VALID_STATION = [
    {"id": 3764, "param": {"paramName": "particulate matter PM10", "paramCode": "PM10"}}
]

VALID_INDEXES = {
    "stIndexLevel": {"id": 1, "indexLevelName": "Good"},
    "pm10IndexLevel": {"id": 0, "indexLevelName": "Very good"},
}

VALID_SENSOR = {"key": "PM10", "values": [{"value": 11.11}]}


async def test_show_form(hass):
    """Test that the form is served with no input."""
    flow = config_flow.GiosFlowHandler()
    flow.hass = hass

    result = await flow.async_step_user(user_input=None)

    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "user"


async def test_invalid_station_id(hass):
    """Test that errors are shown when measuring station ID is invalid."""
    with patch("gios.Gios._get_stations", return_value=VALID_STATIONS):
        flow = config_flow.GiosFlowHandler()
        flow.hass = hass
        flow.context = {}

        result = await flow.async_step_user(
            user_input={CONF_NAME: "Foo", CONF_STATION_ID: 0}
        )

        assert result["errors"] == {CONF_STATION_ID: "wrong_station_id"}


async def test_invalid_sensor_data(hass):
    """Test that errors are shown when sensor data is invalid."""
    with patch("gios.Gios._get_stations", return_value=VALID_STATIONS), patch(
        "gios.Gios._get_station", return_value=VALID_STATION
    ), patch("gios.Gios._get_station", return_value=VALID_STATION), patch(
        "gios.Gios._get_sensor", return_value={}
    ):
        flow = config_flow.GiosFlowHandler()
        flow.hass = hass
        flow.context = {}

        result = await flow.async_step_user(user_input=CONFIG)

        assert result["errors"] == {CONF_STATION_ID: "invalid_sensors_data"}


async def test_cannot_connect(hass):
    """Test that errors are shown when cannot connect to GIOS server."""
    with patch("gios.Gios._async_get", side_effect=ApiError("error")):
        flow = config_flow.GiosFlowHandler()
        flow.hass = hass
        flow.context = {}

        result = await flow.async_step_user(user_input=CONFIG)

        assert result["errors"] == {"base": "cannot_connect"}


async def test_create_entry(hass):
    """Test that the user step works."""
    with patch("gios.Gios._get_stations", return_value=VALID_STATIONS), patch(
        "gios.Gios._get_station", return_value=VALID_STATION
    ), patch("gios.Gios._get_station", return_value=VALID_STATION), patch(
        "gios.Gios._get_sensor", return_value=VALID_SENSOR
    ), patch(
        "gios.Gios._get_indexes", return_value=VALID_INDEXES
    ):
        flow = config_flow.GiosFlowHandler()
        flow.hass = hass
        flow.context = {}

        result = await flow.async_step_user(user_input=CONFIG)

        assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
        assert result["title"] == CONFIG[CONF_STATION_ID]
        assert result["data"][CONF_STATION_ID] == CONFIG[CONF_STATION_ID]

        assert flow.context["unique_id"] == CONFIG[CONF_STATION_ID]
