"""Test the MELCloud config flow."""
import asyncio
from http import HTTPStatus
from unittest.mock import patch

from aiohttp import ClientError, ClientResponseError
import pymelcloud
import pytest

from homeassistant import config_entries, data_entry_flow
from homeassistant.components.melcloud.const import DOMAIN
from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
import homeassistant.helpers.issue_registry as ir

from tests.common import MockConfigEntry


@pytest.fixture
def mock_login():
    """Mock pymelcloud login."""
    with patch(
        "homeassistant.components.melcloud.config_flow.pymelcloud.login"
    ) as mock:
        mock.return_value = "test-token"
        yield mock


@pytest.fixture
def mock_get_devices():
    """Mock pymelcloud get_devices."""
    with patch(
        "homeassistant.components.melcloud.config_flow.pymelcloud.get_devices"
    ) as mock:
        mock.return_value = {
            pymelcloud.DEVICE_TYPE_ATA: [],
            pymelcloud.DEVICE_TYPE_ATW: [],
        }
        yield mock


@pytest.fixture
def mock_request_info():
    """Mock RequestInfo to create ClientResponseErrors."""
    with patch("aiohttp.RequestInfo") as mock_ri:
        mock_ri.return_value.real_url.return_value = ""
        yield mock_ri


async def test_form(hass: HomeAssistant, mock_login, mock_get_devices) -> None:
    """Test we get the form."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == "form"
    assert result["errors"] is None

    with patch(
        "homeassistant.components.melcloud.async_setup", return_value=True
    ) as mock_setup, patch(
        "homeassistant.components.melcloud.async_setup_entry", return_value=True
    ) as mock_setup_entry:
        result2 = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            {"username": "test-email@test-domain.com", "password": "test-password"},
        )
        await hass.async_block_till_done()

    assert result2["type"] == "create_entry"
    assert result2["title"] == "test-email@test-domain.com"
    assert result2["data"] == {
        "username": "test-email@test-domain.com",
        "token": "test-token",
    }
    assert len(mock_setup.mock_calls) == 1
    assert len(mock_setup_entry.mock_calls) == 1


@pytest.mark.parametrize(
    ("error", "reason"),
    [(ClientError(), "cannot_connect"), (asyncio.TimeoutError(), "cannot_connect")],
)
async def test_form_errors(
    hass: HomeAssistant, mock_login, mock_get_devices, error, reason
) -> None:
    """Test we handle cannot connect error."""
    mock_login.side_effect = error

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_USER},
        data={"username": "test-email@test-domain.com", "password": "test-password"},
    )

    assert len(mock_login.mock_calls) == 1
    assert result["type"] == "abort"
    assert result["reason"] == reason


@pytest.mark.parametrize(
    ("error", "message"),
    [
        (HTTPStatus.UNAUTHORIZED, "invalid_auth"),
        (HTTPStatus.FORBIDDEN, "invalid_auth"),
        (HTTPStatus.INTERNAL_SERVER_ERROR, "cannot_connect"),
    ],
)
async def test_form_response_errors(
    hass: HomeAssistant, mock_login, mock_get_devices, mock_request_info, error, message
) -> None:
    """Test we handle response errors."""
    mock_login.side_effect = ClientResponseError(mock_request_info(), (), status=error)

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_USER},
        data={"username": "test-email@test-domain.com", "password": "test-password"},
    )

    assert result["type"] == "abort"
    assert result["reason"] == message


@pytest.mark.parametrize(
    ("error", "message", "issue"),
    [
        (
            HTTPStatus.UNAUTHORIZED,
            "invalid_auth",
            "deprecated_yaml_import_issue_invalid_auth",
        ),
        (
            HTTPStatus.FORBIDDEN,
            "invalid_auth",
            "deprecated_yaml_import_issue_invalid_auth",
        ),
        (
            HTTPStatus.INTERNAL_SERVER_ERROR,
            "cannot_connect",
            "deprecated_yaml_import_issue_cannot_connect",
        ),
    ],
)
async def test_step_import_fails(
    hass: HomeAssistant,
    mock_login,
    mock_get_devices,
    mock_request_info,
    error: Exception,
    message: str,
    issue: str,
) -> None:
    """Test raising issues on import."""
    mock_get_devices.side_effect = ClientResponseError(
        mock_request_info(), (), status=error
    )

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_IMPORT},
        data={"username": "test-email@test-domain.com", "token": "test-token"},
    )

    assert result["type"] == data_entry_flow.FlowResultType.ABORT
    assert result["reason"] == message

    issue_registry = ir.async_get(hass)
    assert issue_registry.async_get_issue(DOMAIN, issue)


async def test_step_import_fails_ClientError(
    hass: HomeAssistant,
    mock_login,
    mock_get_devices,
    mock_request_info,
) -> None:
    """Test raising issues on import for ClientError."""
    mock_get_devices.side_effect = ClientError()

    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_IMPORT},
        data={"username": "test-email@test-domain.com", "token": "test-token"},
    )

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

    issue_registry = ir.async_get(hass)
    assert issue_registry.async_get_issue(
        DOMAIN, "deprecated_yaml_import_issue_cannot_connect"
    )


async def test_step_import_already_exist(
    hass: HomeAssistant,
    mock_login,
    mock_get_devices,
    mock_request_info,
) -> None:
    """Test that errors are shown when duplicates are added."""
    conf = {"username": "test-email@test-domain.com", "token": "test-token"}
    config_entry = MockConfigEntry(
        domain=DOMAIN,
        data=conf,
        title=conf["username"],
        unique_id=conf["username"],
    )
    config_entry.add_to_hass(hass)

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

    issue_registry = ir.async_get(hass)
    issue = issue_registry.async_get_issue(
        HOMEASSISTANT_DOMAIN, "deprecated_yaml_melcloud"
    )
    assert issue.translation_key == "deprecated_yaml"


async def test_import_with_token(
    hass: HomeAssistant, mock_login, mock_get_devices
) -> None:
    """Test successful import."""
    with patch(
        "homeassistant.components.melcloud.async_setup", return_value=True
    ) as mock_setup, patch(
        "homeassistant.components.melcloud.async_setup_entry", return_value=True
    ) as mock_setup_entry:
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_IMPORT},
            data={"username": "test-email@test-domain.com", "token": "test-token"},
        )
        await hass.async_block_till_done()

    assert result["type"] == "create_entry"
    assert result["title"] == "test-email@test-domain.com"
    assert result["data"] == {
        "username": "test-email@test-domain.com",
        "token": "test-token",
    }
    assert len(mock_setup.mock_calls) == 1
    assert len(mock_setup_entry.mock_calls) == 1

    issue_registry = ir.async_get(hass)
    issue = issue_registry.async_get_issue(
        HOMEASSISTANT_DOMAIN, "deprecated_yaml_melcloud"
    )
    assert issue.translation_key == "deprecated_yaml"


async def test_token_refresh(hass: HomeAssistant, mock_login, mock_get_devices) -> None:
    """Re-configuration with existing username should refresh token."""
    mock_entry = MockConfigEntry(
        domain=DOMAIN,
        data={"username": "test-email@test-domain.com", "token": "test-original-token"},
        unique_id="test-email@test-domain.com",
    )
    mock_entry.add_to_hass(hass)

    with patch(
        "homeassistant.components.melcloud.async_setup", return_value=True
    ) as mock_setup, patch(
        "homeassistant.components.melcloud.async_setup_entry", return_value=True
    ) as mock_setup_entry:
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_USER},
            data={
                "username": "test-email@test-domain.com",
                "password": "test-password",
            },
        )

    assert result["type"] == "abort"
    assert result["reason"] == "already_configured"
    await hass.async_block_till_done()
    assert len(mock_setup.mock_calls) == 0
    assert len(mock_setup_entry.mock_calls) == 0

    entries = hass.config_entries.async_entries(DOMAIN)
    assert len(entries) == 1

    entry = entries[0]
    assert entry.data["username"] == "test-email@test-domain.com"
    assert entry.data["token"] == "test-token"