"""Test the ViCare config flow."""
from unittest.mock import patch

from PyViCare.PyViCareUtils import PyViCareInvalidCredentialsError

from homeassistant import config_entries, data_entry_flow
from homeassistant.components import dhcp
from homeassistant.components.vicare.const import DOMAIN
from homeassistant.const import CONF_CLIENT_ID, CONF_PASSWORD, CONF_USERNAME

from . import ENTRY_CONFIG, MOCK_MAC

from tests.common import MockConfigEntry


async def test_form(hass):
    """Test we get the form."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.FlowResultType.FORM
    assert len(result["errors"]) == 0

    with patch(
        "homeassistant.components.vicare.config_flow.vicare_login",
        return_value=None,
    ), patch(
        "homeassistant.components.vicare.async_setup_entry",
        return_value=True,
    ) as mock_setup_entry:
        result2 = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            {
                CONF_USERNAME: "foo@bar.com",
                CONF_PASSWORD: "1234",
                CONF_CLIENT_ID: "5678",
            },
        )
        await hass.async_block_till_done()

    assert result2["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
    assert result2["title"] == "ViCare"
    assert result2["data"] == ENTRY_CONFIG
    assert len(mock_setup_entry.mock_calls) == 1


async def test_invalid_login(hass) -> None:
    """Test a flow with an invalid Vicare login."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )

    with patch(
        "homeassistant.components.vicare.config_flow.vicare_login",
        side_effect=PyViCareInvalidCredentialsError,
    ):
        result2 = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            {
                CONF_USERNAME: "foo@bar.com",
                CONF_PASSWORD: "1234",
                CONF_CLIENT_ID: "5678",
            },
        )
        await hass.async_block_till_done()

    assert result2["type"] == data_entry_flow.FlowResultType.FORM
    assert result2["step_id"] == "user"
    assert result2["errors"] == {"base": "invalid_auth"}


async def test_form_dhcp(hass):
    """Test we can setup from dhcp."""

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_DHCP},
        data=dhcp.DhcpServiceInfo(
            ip="1.1.1.1",
            hostname="mock_hostname",
            macaddress=MOCK_MAC,
        ),
    )
    assert result["type"] == data_entry_flow.FlowResultType.FORM
    assert result["step_id"] == "user"
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.vicare.config_flow.vicare_login",
        return_value=None,
    ), patch(
        "homeassistant.components.vicare.async_setup_entry",
        return_value=True,
    ) as mock_setup_entry:
        result2 = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            {
                CONF_USERNAME: "foo@bar.com",
                CONF_PASSWORD: "1234",
                CONF_CLIENT_ID: "5678",
            },
        )
        await hass.async_block_till_done()

    assert result2["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
    assert result2["title"] == "ViCare"
    assert result2["data"] == ENTRY_CONFIG
    assert len(mock_setup_entry.mock_calls) == 1


async def test_dhcp_single_instance_allowed(hass):
    """Test that configuring more than one instance is rejected."""
    mock_entry = MockConfigEntry(
        domain=DOMAIN,
        data=ENTRY_CONFIG,
    )
    mock_entry.add_to_hass(hass)

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_DHCP},
        data=dhcp.DhcpServiceInfo(
            ip="1.1.1.1",
            hostname="mock_hostname",
            macaddress=MOCK_MAC,
        ),
    )
    assert result["type"] == data_entry_flow.FlowResultType.ABORT
    assert result["reason"] == "single_instance_allowed"


async def test_user_input_single_instance_allowed(hass):
    """Test that configuring more than one instance is rejected."""
    mock_entry = MockConfigEntry(
        domain=DOMAIN,
        unique_id="ViCare",
        data=ENTRY_CONFIG,
    )
    mock_entry.add_to_hass(hass)

    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.FlowResultType.ABORT
    assert result["reason"] == "single_instance_allowed"