"""Test the air-Q config flow."""

from ipaddress import IPv4Address
import logging
from unittest.mock import AsyncMock

from aioairq import InvalidAuth
from aiohttp.client_exceptions import ClientConnectionError
import pytest

from homeassistant import config_entries
from homeassistant.components.airq.const import (
    CONF_CLIP_NEGATIVE,
    CONF_RETURN_AVERAGE,
    DOMAIN,
)
from homeassistant.const import CONF_IP_ADDRESS, CONF_PASSWORD
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResultType
from homeassistant.helpers.service_info.zeroconf import ZeroconfServiceInfo

from .common import TEST_DEVICE_INFO, TEST_USER_DATA

from tests.common import MockConfigEntry

ZEROCONF_DISCOVERY = ZeroconfServiceInfo(
    ip_address=IPv4Address("192.168.0.123"),
    ip_addresses=[IPv4Address("192.168.0.123")],
    port=80,
    hostname="airq.local.",
    type="_http._tcp.local.",
    name="air-Q._http._tcp.local.",
    properties={"device": "air-q", "devicename": "My air-Q", "id": "test-serial-123"},
)

pytestmark = pytest.mark.usefixtures("mock_setup_entry")

DEFAULT_OPTIONS = {
    CONF_CLIP_NEGATIVE: True,
    CONF_RETURN_AVERAGE: True,
}


async def test_form(
    hass: HomeAssistant,
    caplog: pytest.LogCaptureFixture,
    mock_airq: AsyncMock,
) -> None:
    """Test we get the form."""
    caplog.set_level(logging.DEBUG)
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] is FlowResultType.FORM
    assert result["errors"] is None

    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        TEST_USER_DATA,
    )
    await hass.async_block_till_done()
    assert f"Creating an entry for {TEST_DEVICE_INFO['name']}" in caplog.text

    assert result2["type"] is FlowResultType.CREATE_ENTRY
    assert result2["title"] == TEST_DEVICE_INFO["name"]
    assert result2["data"] == TEST_USER_DATA


async def test_form_invalid_auth(hass: HomeAssistant, mock_airq: AsyncMock) -> None:
    """Test we handle invalid auth."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )

    mock_airq.validate.side_effect = InvalidAuth
    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"], TEST_USER_DATA | {CONF_PASSWORD: "wrong_password"}
    )

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


async def test_form_cannot_connect(hass: HomeAssistant, mock_airq: AsyncMock) -> None:
    """Test we handle cannot connect error."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )

    mock_airq.validate.side_effect = ClientConnectionError
    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"], TEST_USER_DATA
    )

    assert result2["type"] is FlowResultType.FORM
    assert result2["errors"] == {"base": "cannot_connect"}


async def test_duplicate_error(hass: HomeAssistant, mock_airq: AsyncMock) -> None:
    """Test that errors are shown when duplicates are added."""
    MockConfigEntry(
        data=TEST_USER_DATA,
        domain=DOMAIN,
        unique_id=TEST_DEVICE_INFO["id"],
    ).add_to_hass(hass)

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

    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"], TEST_USER_DATA
    )
    assert result2["type"] is FlowResultType.ABORT
    assert result2["reason"] == "already_configured"


@pytest.mark.parametrize(
    "user_input", [{}, {CONF_RETURN_AVERAGE: False}, {CONF_CLIP_NEGATIVE: False}]
)
async def test_options_flow(hass: HomeAssistant, user_input) -> None:
    """Test that the options flow works."""
    entry = MockConfigEntry(
        domain=DOMAIN, data=TEST_USER_DATA, unique_id=TEST_DEVICE_INFO["id"]
    )
    entry.add_to_hass(hass)

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

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

    assert result["type"] is FlowResultType.FORM
    assert result["step_id"] == "init"
    assert entry.options == {}

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

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["data"] == entry.options == DEFAULT_OPTIONS | user_input


async def test_zeroconf_discovery(hass: HomeAssistant, mock_airq: AsyncMock) -> None:
    """Test zeroconf discovery and successful setup."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_ZEROCONF},
        data=ZEROCONF_DISCOVERY,
    )

    assert result["type"] is FlowResultType.FORM
    assert result["step_id"] == "discovery_confirm"

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {CONF_PASSWORD: "password"},
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["title"] == "My air-Q"
    assert result["result"].unique_id == "test-serial-123"
    assert result["data"] == {
        CONF_IP_ADDRESS: "192.168.0.123",
        CONF_PASSWORD: "password",
    }


@pytest.mark.parametrize(
    ("side_effect", "expected_error"),
    [
        (InvalidAuth, "invalid_auth"),
        (ClientConnectionError, "cannot_connect"),
    ],
)
async def test_zeroconf_discovery_errors(
    hass: HomeAssistant,
    mock_airq: AsyncMock,
    side_effect: Exception,
    expected_error: str,
) -> None:
    """Test zeroconf discovery with invalid password or connection error."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_ZEROCONF},
        data=ZEROCONF_DISCOVERY,
    )

    assert result["type"] is FlowResultType.FORM
    assert result["step_id"] == "discovery_confirm"

    mock_airq.validate.side_effect = side_effect
    result2 = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {CONF_PASSWORD: "wrong_password"},
    )

    assert result2["type"] is FlowResultType.FORM
    assert result2["errors"] == {"base": expected_error}

    # Recover: correct password on retry
    mock_airq.validate.side_effect = None
    result3 = await hass.config_entries.flow.async_configure(
        result2["flow_id"],
        {CONF_PASSWORD: "correct_password"},
    )
    await hass.async_block_till_done()

    assert result3["type"] is FlowResultType.CREATE_ENTRY
    assert result3["title"] == "My air-Q"
    assert result3["data"] == {
        CONF_IP_ADDRESS: "192.168.0.123",
        CONF_PASSWORD: "correct_password",
    }


async def test_zeroconf_discovery_already_configured(
    hass: HomeAssistant, mock_airq: AsyncMock
) -> None:
    """Test zeroconf discovery aborts if device is already configured."""
    MockConfigEntry(
        data=TEST_USER_DATA,
        domain=DOMAIN,
        unique_id="test-serial-123",
    ).add_to_hass(hass)

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

    assert result["type"] is FlowResultType.ABORT
    assert result["reason"] == "already_configured"


async def test_zeroconf_updates_ip_on_already_configured(
    hass: HomeAssistant, mock_airq: AsyncMock
) -> None:
    """Test zeroconf updates the IP address if device is already configured."""
    entry = MockConfigEntry(
        data={CONF_IP_ADDRESS: "192.168.0.1", CONF_PASSWORD: "password"},
        domain=DOMAIN,
        unique_id="test-serial-123",
    )
    entry.add_to_hass(hass)

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

    assert result["type"] is FlowResultType.ABORT
    assert result["reason"] == "already_configured"
    assert entry.data[CONF_IP_ADDRESS] == "192.168.0.123"


async def test_zeroconf_discovery_missing_id(
    hass: HomeAssistant, mock_airq: AsyncMock
) -> None:
    """Test zeroconf discovery aborts if device ID is missing from properties."""
    discovery_info = ZeroconfServiceInfo(
        ip_address=IPv4Address("192.168.0.123"),
        ip_addresses=[IPv4Address("192.168.0.123")],
        port=80,
        hostname="airq.local.",
        type="_http._tcp.local.",
        name="air-Q._http._tcp.local.",
        properties={"device": "air-q", "devicename": "My air-Q"},
    )

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

    assert result["type"] is FlowResultType.ABORT
    assert result["reason"] == "incomplete_discovery"