"""Tests for the WLED config flow."""

from ipaddress import ip_address
from unittest.mock import AsyncMock, MagicMock

import pytest
from wled import WLEDConnectionError, WLEDUnsupportedVersionError

from homeassistant.components.wled.const import CONF_KEEP_MAIN_LIGHT, DOMAIN
from homeassistant.config_entries import SOURCE_USER, SOURCE_ZEROCONF
from homeassistant.const import CONF_HOST, CONF_MAC, CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResultType
from homeassistant.helpers.service_info.zeroconf import ZeroconfServiceInfo

from tests.common import MockConfigEntry

CONFIG = {CONF_HOST: "10.10.0.10"}


@pytest.mark.usefixtures("mock_setup_entry", "mock_wled")
@pytest.mark.parametrize(
    "host_input",
    [
        "192.168.1.123",
        "http://192.168.1.123",
        "https://192.168.1.123/settings",
        "https://192.168.1.123:80/settings",
    ],
)
async def test_full_user_flow_implementation(
    hass: HomeAssistant, host_input: str
) -> None:
    """Test the full manual user flow from start to finish."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_USER},
    )

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

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input={CONF_HOST: host_input}
    )

    assert result.get("title") == "WLED RGB Light"
    assert result.get("type") is FlowResultType.CREATE_ENTRY
    assert result["data"][CONF_HOST] == "192.168.1.123"
    assert result["result"].unique_id == "aabbccddeeff"


@pytest.mark.usefixtures("mock_setup_entry", "mock_wled")
async def test_full_reconfigure_flow_success(
    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_wled: MagicMock
) -> None:
    """Test the full reconfigure flow from start to finish."""
    mock_config_entry.add_to_hass(hass)

    result = await mock_config_entry.start_reconfigure_flow(hass)

    # Assert show form initially
    assert result.get("step_id") == "user"
    assert result.get("type") is FlowResultType.FORM
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input=CONFIG
    )

    # Assert show text message and close flow
    assert result.get("type") is FlowResultType.ABORT
    assert result.get("reason") == "reconfigure_successful"

    # Assert config entry has been updated.
    assert mock_config_entry.data[CONF_HOST] == "10.10.0.10"


@pytest.mark.usefixtures("mock_setup_entry", "mock_wled")
async def test_full_reconfigure_flow_unique_id_mismatch(
    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_wled: MagicMock
) -> None:
    """Test reconfiguration failure when the unique ID changes."""
    mock_config_entry.add_to_hass(hass)

    # Change mac address
    device = mock_wled.update.return_value
    device.info.mac_address = "invalid"

    result = await mock_config_entry.start_reconfigure_flow(hass)

    # Assert show form initially
    assert result.get("step_id") == "user"
    assert result.get("type") is FlowResultType.FORM

    # Input new host value
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input=CONFIG
    )

    # Assert Show text message and close flow
    assert result.get("type") is FlowResultType.ABORT
    assert result.get("reason") == "unique_id_mismatch"


@pytest.mark.usefixtures("mock_setup_entry", "mock_wled")
async def test_full_reconfigure_flow_connection_error_and_success(
    hass: HomeAssistant, mock_config_entry: MockConfigEntry, mock_wled: MagicMock
) -> None:
    """Test we show user form on WLED connection error and allows user to change host."""
    mock_config_entry.add_to_hass(hass)

    # Mock connection error
    mock_wled.update.side_effect = WLEDConnectionError

    result = await mock_config_entry.start_reconfigure_flow(hass)

    # Assert show form initially
    assert result.get("step_id") == "user"
    assert result.get("type") is FlowResultType.FORM

    # Input new host value
    result = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input=CONFIG
    )

    # Assert form with errors
    assert result.get("type") is FlowResultType.FORM
    assert result.get("step_id") == "user"
    assert result.get("errors") == {"base": "cannot_connect"}

    # Remove mock for connection error
    mock_wled.update.side_effect = None

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input=CONFIG
    )

    # Assert show text message and close flow
    assert result.get("type") is FlowResultType.ABORT
    assert result.get("reason") == "reconfigure_successful"

    # Assert config entry has been updated.
    assert mock_config_entry.data[CONF_HOST] == "10.10.0.10"


@pytest.mark.usefixtures("mock_setup_entry", "mock_wled")
async def test_full_zeroconf_flow_implementation(hass: HomeAssistant) -> None:
    """Test the full manual user flow from start to finish."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={CONF_MAC: "aabbccddeeff"},
            type="mock_type",
        ),
    )

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

    assert (
        flows[0].get("context", {}).get("configuration_url") == "http://192.168.1.123"
    )
    assert result.get("description_placeholders") == {CONF_NAME: "WLED RGB Light"}
    assert result.get("step_id") == "zeroconf_confirm"
    assert result.get("type") is FlowResultType.FORM

    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"], user_input={}
    )

    assert result2.get("title") == "WLED RGB Light"
    assert result2.get("type") is FlowResultType.CREATE_ENTRY

    assert "data" in result2
    assert result2["data"][CONF_HOST] == "192.168.1.123"
    assert "result" in result2
    assert result2["result"].unique_id == "aabbccddeeff"


@pytest.mark.usefixtures("mock_wled")
async def test_zeroconf_during_onboarding(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_onboarding: MagicMock,
) -> None:
    """Test we create a config entry when discovered during onboarding."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={CONF_MAC: "aabbccddeeff"},
            type="mock_type",
        ),
    )

    assert result.get("title") == "WLED RGB Light"
    assert result.get("type") is FlowResultType.CREATE_ENTRY

    assert result.get("data") == {CONF_HOST: "192.168.1.123"}
    assert "result" in result
    assert result["result"].unique_id == "aabbccddeeff"

    assert len(mock_setup_entry.mock_calls) == 1
    assert len(mock_onboarding.mock_calls) == 1


@pytest.mark.parametrize(
    ("exception", "errors"),
    [
        (WLEDConnectionError, {"base": "cannot_connect"}),
        (WLEDUnsupportedVersionError, {"base": "unsupported_version"}),
    ],
)
async def test_form_submission_errors(
    hass: HomeAssistant, mock_wled: MagicMock, exception: Exception, errors: dict
) -> None:
    """Test errors during form submission."""
    mock_wled.update.side_effect = exception
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_USER},
        data=CONFIG,
    )

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


async def test_zeroconf_connection_error(
    hass: HomeAssistant, mock_wled: MagicMock
) -> None:
    """Test we abort zeroconf flow on WLED connection error."""
    mock_wled.update.side_effect = WLEDConnectionError

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={CONF_MAC: "aabbccddeeff"},
            type="mock_type",
        ),
    )

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


async def test_zeroconf_unsupported_version_error(
    hass: HomeAssistant, mock_wled: MagicMock
) -> None:
    """Test we abort zeroconf flow on WLED unsupported version error."""
    mock_wled.update.side_effect = WLEDUnsupportedVersionError

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={CONF_MAC: "aabbccddeeff"},
            type="mock_type",
        ),
    )

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


@pytest.mark.usefixtures("mock_wled")
@pytest.mark.parametrize("device_mac", ["aabbccddeeff", "AABBCCDDEEFF"])
async def test_user_device_exists_abort(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_wled: MagicMock,
    device_mac: str,
) -> None:
    """Test we abort zeroconf flow if WLED device already configured."""
    mock_wled.update.return_value.info.mac_address = device_mac
    mock_config_entry.add_to_hass(hass)
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_USER},
        data={CONF_HOST: "192.168.1.123"},
    )

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


@pytest.mark.usefixtures("mock_wled")
async def test_zeroconf_without_mac_device_exists_abort(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
) -> None:
    """Test we abort zeroconf flow if WLED device already configured."""
    mock_config_entry.add_to_hass(hass)
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={},
            type="mock_type",
        ),
    )

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


@pytest.mark.parametrize("device_mac", ["aabbccddeeff", "AABBCCDDEEFF"])
async def test_zeroconf_with_mac_device_exists_abort(
    hass: HomeAssistant,
    mock_config_entry: MockConfigEntry,
    mock_wled: MagicMock,
    device_mac: str,
) -> None:
    """Test we abort zeroconf flow if WLED device already configured."""
    mock_config_entry.add_to_hass(hass)
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_ZEROCONF},
        data=ZeroconfServiceInfo(
            ip_address=ip_address("192.168.1.123"),
            ip_addresses=[ip_address("192.168.1.123")],
            hostname="example.local.",
            name="mock_name",
            port=None,
            properties={CONF_MAC: device_mac},
            type="mock_type",
        ),
    )

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


@pytest.mark.usefixtures("mock_wled")
async def test_options_flow(
    hass: HomeAssistant, mock_config_entry: MockConfigEntry
) -> None:
    """Test options config flow."""
    mock_config_entry.add_to_hass(hass)

    result = await hass.config_entries.options.async_init(mock_config_entry.entry_id)

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

    result2 = await hass.config_entries.options.async_configure(
        result["flow_id"],
        user_input={CONF_KEEP_MAIN_LIGHT: True},
    )

    assert result2.get("type") is FlowResultType.CREATE_ENTRY
    assert result2.get("data") == {
        CONF_KEEP_MAIN_LIGHT: True,
    }