"""Test the Hikvision config flow."""

from unittest.mock import AsyncMock, MagicMock

import requests

from homeassistant.components.hikvision.const import DOMAIN
from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_USER
from homeassistant.const import (
    CONF_HOST,
    CONF_PASSWORD,
    CONF_PORT,
    CONF_SSL,
    CONF_USERNAME,
)
from homeassistant.core import HomeAssistant
from homeassistant.data_entry_flow import FlowResultType

from .conftest import (
    TEST_DEVICE_ID,
    TEST_DEVICE_NAME,
    TEST_HOST,
    TEST_PASSWORD,
    TEST_PORT,
    TEST_USERNAME,
)

from tests.common import MockConfigEntry


async def test_form(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test we get the form and can create entry."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": SOURCE_USER}
    )
    assert result["type"] is FlowResultType.FORM
    assert result["step_id"] == "user"
    assert result["errors"] == {}

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["title"] == TEST_DEVICE_NAME
    assert result["result"].unique_id == TEST_DEVICE_ID
    assert result["data"] == {
        CONF_HOST: TEST_HOST,
        CONF_PORT: TEST_PORT,
        CONF_USERNAME: TEST_USERNAME,
        CONF_PASSWORD: TEST_PASSWORD,
        CONF_SSL: False,
    }


async def test_form_cannot_connect(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test we handle cannot connect error and can recover."""
    mock_hikcamera.return_value.get_id.return_value = None

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

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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

    # Recover from error
    mock_hikcamera.return_value.get_id.return_value = TEST_DEVICE_ID

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["result"].unique_id == TEST_DEVICE_ID


async def test_form_exception(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test we handle exception during connection and can recover."""
    mock_hikcamera.side_effect = requests.exceptions.RequestException(
        "Connection failed"
    )

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

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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

    # Recover from error
    mock_hikcamera.side_effect = None
    mock_hikcamera.return_value.get_id.return_value = TEST_DEVICE_ID
    mock_hikcamera.return_value.get_name = TEST_DEVICE_NAME

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["result"].unique_id == TEST_DEVICE_ID


async def test_form_already_configured(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
    mock_config_entry: MockConfigEntry,
) -> None:
    """Test we handle already configured devices."""
    mock_config_entry.add_to_hass(hass)

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

    result = await hass.config_entries.flow.async_configure(
        result["flow_id"],
        {
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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


async def test_import_flow(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test YAML import flow creates config entry."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_IMPORT},
        data={
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["title"] == TEST_DEVICE_NAME
    assert result["result"].unique_id == TEST_DEVICE_ID
    assert result["data"] == {
        CONF_HOST: TEST_HOST,
        CONF_PORT: TEST_PORT,
        CONF_USERNAME: TEST_USERNAME,
        CONF_PASSWORD: TEST_PASSWORD,
        CONF_SSL: False,
    }


async def test_import_flow_with_defaults(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test YAML import flow uses default values."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_IMPORT},
        data={
            CONF_HOST: TEST_HOST,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
        },
    )

    assert result["type"] is FlowResultType.CREATE_ENTRY
    assert result["result"].unique_id == TEST_DEVICE_ID
    # Default port (80) and SSL (False) should be used
    assert result["data"][CONF_PORT] == 80
    assert result["data"][CONF_SSL] is False


async def test_import_flow_cannot_connect(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test YAML import flow aborts on connection error."""
    mock_hikcamera.side_effect = requests.exceptions.RequestException(
        "Connection failed"
    )

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_IMPORT},
        data={
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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


async def test_import_flow_no_device_id(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
) -> None:
    """Test YAML import flow aborts when device_id is None."""
    mock_hikcamera.return_value.get_id.return_value = None

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_IMPORT},
        data={
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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


async def test_import_flow_already_configured(
    hass: HomeAssistant,
    mock_setup_entry: AsyncMock,
    mock_hikcamera: MagicMock,
    mock_config_entry: MockConfigEntry,
) -> None:
    """Test YAML import flow aborts when device is already configured."""
    mock_config_entry.add_to_hass(hass)

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": SOURCE_IMPORT},
        data={
            CONF_HOST: TEST_HOST,
            CONF_PORT: TEST_PORT,
            CONF_USERNAME: TEST_USERNAME,
            CONF_PASSWORD: TEST_PASSWORD,
            CONF_SSL: False,
        },
    )

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