"""Tests for the Home Assistant auth module."""
from datetime import timedelta
from typing import Any
from unittest.mock import Mock, patch

import jwt
import pytest
import voluptuous as vol

from homeassistant import auth, data_entry_flow
from homeassistant.auth import (
    EVENT_USER_UPDATED,
    InvalidAuthError,
    auth_store,
    const as auth_const,
    models as auth_models,
)
from homeassistant.auth.const import GROUP_ID_ADMIN, MFA_SESSION_EXPIRATION
from homeassistant.auth.models import Credentials
from homeassistant.core import HomeAssistant, callback
from homeassistant.util import dt as dt_util

from tests.common import (
    CLIENT_ID,
    MockUser,
    async_capture_events,
    ensure_auth_manager_loaded,
    flush_store,
)


@pytest.fixture
def mock_hass(event_loop):
    """Home Assistant mock with minimum amount of data set to make it work with auth."""
    hass = Mock()
    hass.config.skip_pip = True
    return hass


async def test_auth_manager_from_config_validates_config(mock_hass) -> None:
    """Test get auth providers."""
    with pytest.raises(vol.Invalid):
        manager = await auth.auth_manager_from_config(
            mock_hass,
            [
                {"name": "Test Name", "type": "insecure_example", "users": []},
                {
                    "name": "Invalid configuration because no users",
                    "type": "insecure_example",
                    "id": "invalid_config",
                },
            ],
            [],
        )

    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {"name": "Test Name", "type": "insecure_example", "users": []},
            {
                "name": "Test Name 2",
                "type": "insecure_example",
                "id": "another",
                "users": [],
            },
        ],
        [],
    )

    providers = [
        {"name": provider.name, "id": provider.id, "type": provider.type}
        for provider in manager.auth_providers
    ]

    assert providers == [
        {"name": "Test Name", "type": "insecure_example", "id": None},
        {"name": "Test Name 2", "type": "insecure_example", "id": "another"},
    ]


async def test_auth_manager_from_config_auth_modules(mock_hass) -> None:
    """Test get auth modules."""
    with pytest.raises(vol.Invalid):
        manager = await auth.auth_manager_from_config(
            mock_hass,
            [
                {"name": "Test Name", "type": "insecure_example", "users": []},
                {
                    "name": "Test Name 2",
                    "type": "insecure_example",
                    "id": "another",
                    "users": [],
                },
            ],
            [
                {"name": "Module 1", "type": "insecure_example", "data": []},
                {
                    "name": "Invalid configuration because no data",
                    "type": "insecure_example",
                    "id": "another",
                },
            ],
        )

    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {"name": "Test Name", "type": "insecure_example", "users": []},
            {
                "name": "Test Name 2",
                "type": "insecure_example",
                "id": "another",
                "users": [],
            },
        ],
        [
            {"name": "Module 1", "type": "insecure_example", "data": []},
            {
                "name": "Module 2",
                "type": "insecure_example",
                "id": "another",
                "data": [],
            },
        ],
    )
    providers = [
        {"name": provider.name, "type": provider.type, "id": provider.id}
        for provider in manager.auth_providers
    ]
    assert providers == [
        {"name": "Test Name", "type": "insecure_example", "id": None},
        {"name": "Test Name 2", "type": "insecure_example", "id": "another"},
    ]

    modules = [
        {"name": module.name, "type": module.type, "id": module.id}
        for module in manager.auth_mfa_modules
    ]
    assert modules == [
        {"name": "Module 1", "type": "insecure_example", "id": "insecure_example"},
        {"name": "Module 2", "type": "insecure_example", "id": "another"},
    ]


async def test_create_new_user(hass: HomeAssistant) -> None:
    """Test creating new user."""
    events = []

    @callback
    def user_added(event):
        events.append(event)

    hass.bus.async_listen("user_added", user_added)

    manager = await auth.auth_manager_from_config(
        hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [],
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    assert step["type"] == data_entry_flow.FlowResultType.FORM

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )
    assert step["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
    credential = step["result"]
    assert credential is not None

    user = await manager.async_get_or_create_user(credential)
    assert user is not None
    assert user.is_owner is False
    assert user.name == "Test Name"

    await hass.async_block_till_done()
    assert len(events) == 1
    assert events[0].data["user_id"] == user.id


async def test_login_as_existing_user(mock_hass) -> None:
    """Test login as existing user."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [],
    )
    mock_hass.auth = manager
    ensure_auth_manager_loaded(manager)

    # Add a fake user that we're not going to log in with
    user = MockUser(
        id="mock-user2", is_owner=False, is_active=False, name="Not user"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id2",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "other-user"},
            is_new=False,
        )
    )

    # Add fake user with credentials for example auth provider.
    user = MockUser(
        id="mock-user", is_owner=False, is_active=False, name="Paulus"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=False,
        )
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    assert step["type"] == data_entry_flow.FlowResultType.FORM

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )
    assert step["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY

    credential = step["result"]
    user = await manager.async_get_user_by_credentials(credential)
    assert user is not None
    assert user.id == "mock-user"
    assert user.is_owner is False
    assert user.is_active is False
    assert user.name == "Paulus"


async def test_linking_user_to_two_auth_providers(
    hass: HomeAssistant, hass_storage: dict[str, Any]
) -> None:
    """Test linking user to two auth providers."""
    manager = await auth.auth_manager_from_config(
        hass,
        [
            {
                "type": "insecure_example",
                "users": [{"username": "test-user", "password": "test-pass"}],
            },
            {
                "type": "insecure_example",
                "id": "another-provider",
                "users": [{"username": "another-user", "password": "another-password"}],
            },
        ],
        [],
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )
    credential = step["result"]
    user = await manager.async_get_or_create_user(credential)
    assert user is not None

    step = await manager.login_flow.async_init(
        ("insecure_example", "another-provider"), context={"credential_only": True}
    )
    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "another-user", "password": "another-password"}
    )
    new_credential = step["result"]
    await manager.async_link_user(user, new_credential)
    assert len(user.credentials) == 2

    # Linking it again to same user is a no-op
    await manager.async_link_user(user, new_credential)
    assert len(user.credentials) == 2

    # Linking a credential to a user while the credential is already linked to another user should raise
    user_2 = await manager.async_create_user("User 2")
    with pytest.raises(ValueError):
        await manager.async_link_user(user_2, new_credential)
    assert len(user_2.credentials) == 0


async def test_saving_loading(
    hass: HomeAssistant, hass_storage: dict[str, Any]
) -> None:
    """Test storing and saving data.

    Creates one of each type that we store to test we restore correctly.
    """
    manager = await auth.auth_manager_from_config(
        hass,
        [
            {
                "type": "insecure_example",
                "users": [{"username": "test-user", "password": "test-pass"}],
            }
        ],
        [],
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )
    credential = step["result"]
    user = await manager.async_get_or_create_user(credential)

    await manager.async_activate_user(user)
    # the first refresh token will be used to create access token
    refresh_token = await manager.async_create_refresh_token(
        user, CLIENT_ID, credential=credential
    )
    manager.async_create_access_token(refresh_token, "192.168.0.1")
    # the second refresh token will not be used
    await manager.async_create_refresh_token(
        user, "dummy-client", credential=credential
    )

    await flush_store(manager._store._store)

    store2 = auth_store.AuthStore(hass)
    users = await store2.async_get_users()
    assert len(users) == 1
    assert users[0].permissions == user.permissions
    assert users[0] == user
    assert len(users[0].refresh_tokens) == 2
    for r_token in users[0].refresh_tokens.values():
        if r_token.client_id == CLIENT_ID:
            # verify the first refresh token
            assert r_token.last_used_at is not None
            assert r_token.last_used_ip == "192.168.0.1"
        elif r_token.client_id == "dummy-client":
            # verify the second refresh token
            assert r_token.last_used_at is None
            assert r_token.last_used_ip is None
        else:
            pytest.fail(f"Unknown client_id: {r_token.client_id}")


async def test_cannot_retrieve_expired_access_token(hass: HomeAssistant) -> None:
    """Test that we cannot retrieve expired access tokens."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(user, CLIENT_ID)
    assert refresh_token.user.id is user.id
    assert refresh_token.client_id == CLIENT_ID

    access_token = manager.async_create_access_token(refresh_token)
    assert await manager.async_validate_access_token(access_token) is refresh_token

    with patch(
        "homeassistant.util.dt.utcnow",
        return_value=dt_util.utcnow()
        - auth_const.ACCESS_TOKEN_EXPIRATION
        - timedelta(seconds=11),
    ):
        access_token = manager.async_create_access_token(refresh_token)

    assert await manager.async_validate_access_token(access_token) is None


async def test_generating_system_user(hass: HomeAssistant) -> None:
    """Test that we can add a system user."""
    events = []

    @callback
    def user_added(event):
        events.append(event)

    hass.bus.async_listen("user_added", user_added)

    manager = await auth.auth_manager_from_config(hass, [], [])
    user = await manager.async_create_system_user("Hass.io")
    token = await manager.async_create_refresh_token(user)
    assert user.system_generated
    assert user.groups == []
    assert not user.local_only
    assert token is not None
    assert token.client_id is None

    await hass.async_block_till_done()
    assert len(events) == 1
    assert events[0].data["user_id"] == user.id

    # Passing arguments
    user = await manager.async_create_system_user(
        "Hass.io", group_ids=[GROUP_ID_ADMIN], local_only=True
    )
    token = await manager.async_create_refresh_token(user)
    assert user.system_generated
    assert user.is_admin
    assert user.local_only
    assert token is not None
    assert token.client_id is None

    await hass.async_block_till_done()
    assert len(events) == 2
    assert events[1].data["user_id"] == user.id


async def test_refresh_token_requires_client_for_user(hass: HomeAssistant) -> None:
    """Test create refresh token for a user with client_id."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    assert user.system_generated is False

    with pytest.raises(ValueError):
        await manager.async_create_refresh_token(user)

    token = await manager.async_create_refresh_token(user, CLIENT_ID)
    assert token is not None
    assert token.client_id == CLIENT_ID
    assert token.token_type == auth_models.TOKEN_TYPE_NORMAL
    # default access token expiration
    assert token.access_token_expiration == auth_const.ACCESS_TOKEN_EXPIRATION


async def test_refresh_token_not_requires_client_for_system_user(
    hass: HomeAssistant,
) -> None:
    """Test create refresh token for a system user w/o client_id."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = await manager.async_create_system_user("Hass.io")
    assert user.system_generated is True

    with pytest.raises(ValueError):
        await manager.async_create_refresh_token(user, CLIENT_ID)

    token = await manager.async_create_refresh_token(user)
    assert token is not None
    assert token.client_id is None
    assert token.token_type == auth_models.TOKEN_TYPE_SYSTEM


async def test_refresh_token_with_specific_access_token_expiration(
    hass: HomeAssistant,
) -> None:
    """Test create a refresh token with specific access token expiration."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)

    token = await manager.async_create_refresh_token(
        user, CLIENT_ID, access_token_expiration=timedelta(days=100)
    )
    assert token is not None
    assert token.client_id == CLIENT_ID
    assert token.access_token_expiration == timedelta(days=100)


async def test_refresh_token_type(hass: HomeAssistant) -> None:
    """Test create a refresh token with token type."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)

    with pytest.raises(ValueError):
        await manager.async_create_refresh_token(
            user, CLIENT_ID, token_type=auth_models.TOKEN_TYPE_SYSTEM
        )

    token = await manager.async_create_refresh_token(
        user, CLIENT_ID, token_type=auth_models.TOKEN_TYPE_NORMAL
    )
    assert token is not None
    assert token.client_id == CLIENT_ID
    assert token.token_type == auth_models.TOKEN_TYPE_NORMAL


async def test_refresh_token_type_long_lived_access_token(hass: HomeAssistant) -> None:
    """Test create a refresh token has long-lived access token type."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)

    with pytest.raises(ValueError):
        await manager.async_create_refresh_token(
            user, token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN
        )

    token = await manager.async_create_refresh_token(
        user,
        client_name="GPS LOGGER",
        client_icon="mdi:home",
        token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
    )
    assert token is not None
    assert token.client_id is None
    assert token.client_name == "GPS LOGGER"
    assert token.client_icon == "mdi:home"
    assert token.token_type == auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN


async def test_refresh_token_provider_validation(mock_hass) -> None:
    """Test that creating access token from refresh token checks with provider."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [{"username": "test-user", "password": "test-pass"}],
            }
        ],
        [],
    )

    credential = auth_models.Credentials(
        id="mock-credential-id",
        auth_provider_type="insecure_example",
        auth_provider_id=None,
        data={"username": "test-user"},
        is_new=False,
    )

    user = MockUser().add_to_auth_manager(manager)
    user.credentials.append(credential)
    refresh_token = await manager.async_create_refresh_token(
        user, CLIENT_ID, credential=credential
    )
    ip = "127.0.0.1"

    assert manager.async_create_access_token(refresh_token, ip) is not None

    with patch(
        "homeassistant.auth.providers.insecure_example.ExampleAuthProvider.async_validate_refresh_token",
        side_effect=InvalidAuthError("Invalid access"),
    ) as call, pytest.raises(InvalidAuthError):
        manager.async_create_access_token(refresh_token, ip)

    call.assert_called_with(refresh_token, ip)


async def test_cannot_deactive_owner(mock_hass) -> None:
    """Test that we cannot deactivate the owner."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    owner = MockUser(is_owner=True).add_to_auth_manager(manager)

    with pytest.raises(ValueError):
        await manager.async_deactivate_user(owner)


async def test_remove_refresh_token(mock_hass) -> None:
    """Test that we can remove a refresh token."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(user, CLIENT_ID)
    access_token = manager.async_create_access_token(refresh_token)

    await manager.async_remove_refresh_token(refresh_token)

    assert await manager.async_get_refresh_token(refresh_token.id) is None
    assert await manager.async_validate_access_token(access_token) is None


async def test_register_revoke_token_callback(mock_hass) -> None:
    """Test that a registered revoke token callback is called."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(user, CLIENT_ID)

    called = False

    def cb():
        nonlocal called
        called = True

    manager.async_register_revoke_token_callback(refresh_token.id, cb)
    await manager.async_remove_refresh_token(refresh_token)
    assert called


async def test_unregister_revoke_token_callback(mock_hass) -> None:
    """Test that a revoke token callback can be unregistered."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(user, CLIENT_ID)

    called = False

    def cb():
        nonlocal called
        called = True

    unregister = manager.async_register_revoke_token_callback(refresh_token.id, cb)
    unregister()

    await manager.async_remove_refresh_token(refresh_token)
    assert not called


async def test_create_access_token(mock_hass) -> None:
    """Test normal refresh_token's jwt_key keep same after used."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(user, CLIENT_ID)
    assert refresh_token.token_type == auth_models.TOKEN_TYPE_NORMAL
    jwt_key = refresh_token.jwt_key
    access_token = manager.async_create_access_token(refresh_token)
    assert access_token is not None
    assert refresh_token.jwt_key == jwt_key
    jwt_payload = jwt.decode(access_token, jwt_key, algorithms=["HS256"])
    assert jwt_payload["iss"] == refresh_token.id
    assert (
        jwt_payload["exp"] - jwt_payload["iat"] == timedelta(minutes=30).total_seconds()
    )


async def test_create_long_lived_access_token(mock_hass) -> None:
    """Test refresh_token's jwt_key changed for long-lived access token."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(
        user,
        client_name="GPS Logger",
        token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
        access_token_expiration=timedelta(days=300),
    )
    assert refresh_token.token_type == auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN
    access_token = manager.async_create_access_token(refresh_token)
    jwt_payload = jwt.decode(access_token, refresh_token.jwt_key, algorithms=["HS256"])
    assert jwt_payload["iss"] == refresh_token.id
    assert (
        jwt_payload["exp"] - jwt_payload["iat"] == timedelta(days=300).total_seconds()
    )


async def test_one_long_lived_access_token_per_refresh_token(mock_hass) -> None:
    """Test one refresh_token can only have one long-lived access token."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    refresh_token = await manager.async_create_refresh_token(
        user,
        client_name="GPS Logger",
        token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
        access_token_expiration=timedelta(days=3000),
    )
    assert refresh_token.token_type == auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN
    access_token = manager.async_create_access_token(refresh_token)
    jwt_key = refresh_token.jwt_key

    rt = await manager.async_validate_access_token(access_token)
    assert rt.id == refresh_token.id

    with pytest.raises(ValueError):
        await manager.async_create_refresh_token(
            user,
            client_name="GPS Logger",
            token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
            access_token_expiration=timedelta(days=3000),
        )

    await manager.async_remove_refresh_token(refresh_token)
    assert refresh_token.id not in user.refresh_tokens
    rt = await manager.async_validate_access_token(access_token)
    assert rt is None, "Previous issued access token has been invoked"

    refresh_token_2 = await manager.async_create_refresh_token(
        user,
        client_name="GPS Logger",
        token_type=auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN,
        access_token_expiration=timedelta(days=3000),
    )
    assert refresh_token_2.id != refresh_token.id
    assert refresh_token_2.token_type == auth_models.TOKEN_TYPE_LONG_LIVED_ACCESS_TOKEN
    access_token_2 = manager.async_create_access_token(refresh_token_2)
    jwt_key_2 = refresh_token_2.jwt_key

    assert access_token != access_token_2
    assert jwt_key != jwt_key_2

    rt = await manager.async_validate_access_token(access_token_2)
    jwt_payload = jwt.decode(access_token_2, rt.jwt_key, algorithms=["HS256"])
    assert jwt_payload["iss"] == refresh_token_2.id
    assert (
        jwt_payload["exp"] - jwt_payload["iat"] == timedelta(days=3000).total_seconds()
    )


async def test_login_with_auth_module(mock_hass) -> None:
    """Test login as existing user with auth module."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [
            {
                "type": "insecure_example",
                "data": [{"user_id": "mock-user", "pin": "test-pin"}],
            }
        ],
    )
    mock_hass.auth = manager
    ensure_auth_manager_loaded(manager)

    # Add fake user with credentials for example auth provider.
    user = MockUser(
        id="mock-user", is_owner=False, is_active=False, name="Paulus"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=False,
        )
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    assert step["type"] == data_entry_flow.FlowResultType.FORM

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )

    # After auth_provider validated, request auth module input form
    assert step["type"] == data_entry_flow.FlowResultType.FORM
    assert step["step_id"] == "mfa"

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"pin": "invalid-pin"}
    )

    # Invalid code error
    assert step["type"] == data_entry_flow.FlowResultType.FORM
    assert step["step_id"] == "mfa"
    assert step["errors"] == {"base": "invalid_code"}

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"pin": "test-pin"}
    )

    # Finally passed, get credential
    assert step["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
    assert step["result"]
    assert step["result"].id == "mock-id"


async def test_login_with_multi_auth_module(mock_hass) -> None:
    """Test login as existing user with multiple auth modules."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [
            {
                "type": "insecure_example",
                "data": [{"user_id": "mock-user", "pin": "test-pin"}],
            },
            {
                "type": "insecure_example",
                "id": "module2",
                "data": [{"user_id": "mock-user", "pin": "test-pin2"}],
            },
        ],
    )
    mock_hass.auth = manager
    ensure_auth_manager_loaded(manager)

    # Add fake user with credentials for example auth provider.
    user = MockUser(
        id="mock-user", is_owner=False, is_active=False, name="Paulus"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=False,
        )
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    assert step["type"] == data_entry_flow.FlowResultType.FORM

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )

    # After auth_provider validated, request select auth module
    assert step["type"] == data_entry_flow.FlowResultType.FORM
    assert step["step_id"] == "select_mfa_module"

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"multi_factor_auth_module": "module2"}
    )

    assert step["type"] == data_entry_flow.FlowResultType.FORM
    assert step["step_id"] == "mfa"

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"pin": "test-pin2"}
    )

    # Finally passed, get credential
    assert step["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
    assert step["result"]
    assert step["result"].id == "mock-id"


async def test_auth_module_expired_session(mock_hass) -> None:
    """Test login as existing user."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [
            {
                "type": "insecure_example",
                "data": [{"user_id": "mock-user", "pin": "test-pin"}],
            }
        ],
    )
    mock_hass.auth = manager
    ensure_auth_manager_loaded(manager)

    # Add fake user with credentials for example auth provider.
    user = MockUser(
        id="mock-user", is_owner=False, is_active=False, name="Paulus"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=False,
        )
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    assert step["type"] == data_entry_flow.FlowResultType.FORM

    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )

    assert step["type"] == data_entry_flow.FlowResultType.FORM
    assert step["step_id"] == "mfa"

    with patch(
        "homeassistant.util.dt.utcnow",
        return_value=dt_util.utcnow() + MFA_SESSION_EXPIRATION,
    ):
        step = await manager.login_flow.async_configure(
            step["flow_id"], {"pin": "test-pin"}
        )
        # login flow abort due session timeout
        assert step["type"] == data_entry_flow.FlowResultType.ABORT
        assert step["reason"] == "login_expired"


async def test_enable_mfa_for_user(
    hass: HomeAssistant, hass_storage: dict[str, Any]
) -> None:
    """Test enable mfa module for user."""
    manager = await auth.auth_manager_from_config(
        hass,
        [
            {
                "type": "insecure_example",
                "users": [{"username": "test-user", "password": "test-pass"}],
            }
        ],
        [{"type": "insecure_example", "data": []}],
    )

    step = await manager.login_flow.async_init(("insecure_example", None))
    step = await manager.login_flow.async_configure(
        step["flow_id"], {"username": "test-user", "password": "test-pass"}
    )
    credential = step["result"]
    user = await manager.async_get_or_create_user(credential)
    assert user is not None

    # new user don't have mfa enabled
    modules = await manager.async_get_enabled_mfa(user)
    assert len(modules) == 0

    module = manager.get_auth_mfa_module("insecure_example")
    # mfa module don't have data
    assert bool(module._data) is False

    # test enable mfa for user
    await manager.async_enable_user_mfa(user, "insecure_example", {"pin": "test-pin"})
    assert len(module._data) == 1
    assert module._data[0] == {"user_id": user.id, "pin": "test-pin"}

    # test get enabled mfa
    modules = await manager.async_get_enabled_mfa(user)
    assert len(modules) == 1
    assert "insecure_example" in modules

    # re-enable mfa for user will override
    await manager.async_enable_user_mfa(
        user, "insecure_example", {"pin": "test-pin-new"}
    )
    assert len(module._data) == 1
    assert module._data[0] == {"user_id": user.id, "pin": "test-pin-new"}
    modules = await manager.async_get_enabled_mfa(user)
    assert len(modules) == 1
    assert "insecure_example" in modules

    # system user cannot enable mfa
    system_user = await manager.async_create_system_user("system-user")
    with pytest.raises(ValueError):
        await manager.async_enable_user_mfa(
            system_user, "insecure_example", {"pin": "test-pin"}
        )
    assert len(module._data) == 1
    modules = await manager.async_get_enabled_mfa(system_user)
    assert len(modules) == 0

    # disable mfa for user
    await manager.async_disable_user_mfa(user, "insecure_example")
    assert bool(module._data) is False

    # test get enabled mfa
    modules = await manager.async_get_enabled_mfa(user)
    assert len(modules) == 0

    # disable mfa for user don't enabled just silent fail
    await manager.async_disable_user_mfa(user, "insecure_example")


async def test_async_remove_user(hass: HomeAssistant) -> None:
    """Test removing a user."""
    events = async_capture_events(hass, "user_removed")
    manager = await auth.auth_manager_from_config(
        hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    }
                ],
            }
        ],
        [],
    )
    hass.auth = manager
    ensure_auth_manager_loaded(manager)

    # Add fake user with credentials for example auth provider.
    user = MockUser(
        id="mock-user", is_owner=False, is_active=False, name="Paulus"
    ).add_to_auth_manager(manager)
    user.credentials.append(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=False,
        )
    )
    assert len(user.credentials) == 1

    await hass.auth.async_remove_user(user)

    assert len(await manager.async_get_users()) == 0
    assert len(user.credentials) == 0

    await hass.async_block_till_done()
    assert len(events) == 1
    assert events[0].data["user_id"] == user.id


async def test_async_remove_user_fail_if_remove_credential_fails(
    hass: HomeAssistant, hass_admin_user: MockUser, hass_admin_credential: Credentials
) -> None:
    """Test removing a user."""
    await hass.auth.async_link_user(hass_admin_user, hass_admin_credential)

    with patch.object(
        hass.auth, "async_remove_credentials", side_effect=ValueError
    ), pytest.raises(ValueError):
        await hass.auth.async_remove_user(hass_admin_user)


async def test_new_users(mock_hass) -> None:
    """Test newly created users."""
    manager = await auth.auth_manager_from_config(
        mock_hass,
        [
            {
                "type": "insecure_example",
                "users": [
                    {
                        "username": "test-user",
                        "password": "test-pass",
                        "name": "Test Name",
                    },
                    {
                        "username": "test-user-2",
                        "password": "test-pass",
                        "name": "Test Name",
                    },
                    {
                        "username": "test-user-3",
                        "password": "test-pass",
                        "name": "Test Name",
                    },
                ],
            }
        ],
        [],
    )
    ensure_auth_manager_loaded(manager)

    user = await manager.async_create_user("Hello")
    # first user in the system is owner and admin
    assert user.is_owner
    assert user.is_admin
    assert not user.local_only
    assert user.groups == []

    user = await manager.async_create_user("Hello 2")
    assert not user.is_admin
    assert user.groups == []

    user = await manager.async_create_user(
        "Hello 3", group_ids=["system-admin"], local_only=True
    )
    assert user.is_admin
    assert user.groups[0].id == "system-admin"
    assert user.local_only

    user_cred = await manager.async_get_or_create_user(
        auth_models.Credentials(
            id="mock-id",
            auth_provider_type="insecure_example",
            auth_provider_id=None,
            data={"username": "test-user"},
            is_new=True,
        )
    )
    assert user_cred.is_admin


async def test_rename_does_not_change_refresh_token(mock_hass) -> None:
    """Test that we can rename without changing refresh token."""
    manager = await auth.auth_manager_from_config(mock_hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    await manager.async_create_refresh_token(user, CLIENT_ID)

    assert len(list(user.refresh_tokens.values())) == 1
    token_before = list(user.refresh_tokens.values())[0]

    await manager.async_update_user(user, name="new name")
    assert user.name == "new name"

    assert len(list(user.refresh_tokens.values())) == 1
    token_after = list(user.refresh_tokens.values())[0]

    assert token_before == token_after


async def test_event_user_updated_fires(hass: HomeAssistant) -> None:
    """Test the user updated event fires."""
    manager = await auth.auth_manager_from_config(hass, [], [])
    user = MockUser().add_to_auth_manager(manager)
    await manager.async_create_refresh_token(user, CLIENT_ID)

    assert len(list(user.refresh_tokens.values())) == 1

    events = async_capture_events(hass, EVENT_USER_UPDATED)

    await manager.async_update_user(user, name="new name")
    assert user.name == "new name"

    await hass.async_block_till_done()
    assert len(events) == 1