"""Define tests for the OpenUV config flow."""
from unittest.mock import AsyncMock, Mock, patch

import pytest
from regenmaschine.errors import RainMachineError

from homeassistant import config_entries, data_entry_flow
from homeassistant.components.rainmachine import CONF_ZONE_RUN_TIME, DOMAIN
from homeassistant.const import CONF_IP_ADDRESS, CONF_PASSWORD, CONF_PORT, CONF_SSL

from tests.common import MockConfigEntry


def _get_mock_client():
    mock_controller = Mock()
    mock_controller.name = "My Rain Machine"
    mock_controller.mac = "aa:bb:cc:dd:ee:ff"
    return Mock(
        load_local=AsyncMock(), controllers={"aa:bb:cc:dd:ee:ff": mock_controller}
    )


async def test_duplicate_error(hass):
    """Test that errors are shown when duplicates are added."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    MockConfigEntry(
        domain=DOMAIN, unique_id="aa:bb:cc:dd:ee:ff", data=conf
    ).add_to_hass(hass)

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_USER},
            data=conf,
        )
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "already_configured"


async def test_invalid_password(hass):
    """Test that an invalid password throws an error."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "bad_password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    with patch(
        "regenmaschine.client.Client.load_local",
        side_effect=RainMachineError,
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_USER},
            data=conf,
        )
        await hass.async_block_till_done()

    assert result["errors"] == {CONF_PASSWORD: "invalid_auth"}


async def test_options_flow(hass):
    """Test config flow options."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    config_entry = MockConfigEntry(
        domain=DOMAIN,
        unique_id="abcde12345",
        data=conf,
        options={CONF_ZONE_RUN_TIME: 900},
    )
    config_entry.add_to_hass(hass)

    with patch(
        "homeassistant.components.rainmachine.async_setup_entry", return_value=True
    ):
        await hass.config_entries.async_setup(config_entry.entry_id)
        result = await hass.config_entries.options.async_init(config_entry.entry_id)

        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
        assert result["step_id"] == "init"

        result = await hass.config_entries.options.async_configure(
            result["flow_id"], user_input={CONF_ZONE_RUN_TIME: 600}
        )

        assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
        assert config_entry.options == {CONF_ZONE_RUN_TIME: 600}


async def test_show_form(hass):
    """Test that the form is served with no input."""
    result = await hass.config_entries.flow.async_init(
        DOMAIN,
        context={"source": config_entries.SOURCE_USER},
        data=None,
    )

    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "user"


async def test_step_user(hass):
    """Test that the user step works."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    with patch(
        "homeassistant.components.rainmachine.async_setup_entry", return_value=True
    ) as mock_setup_entry, patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_USER},
            data=conf,
        )

    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result["title"] == "My Rain Machine"
    assert result["data"] == {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
        CONF_ZONE_RUN_TIME: 600,
    }
    assert mock_setup_entry.called


@pytest.mark.parametrize(
    "source", [config_entries.SOURCE_ZEROCONF, config_entries.SOURCE_HOMEKIT]
)
async def test_step_homekit_zeroconf_ip_already_exists(hass, source):
    """Test homekit and zeroconf with an ip that already exists."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    MockConfigEntry(
        domain=DOMAIN, unique_id="aa:bb:cc:dd:ee:ff", data=conf
    ).add_to_hass(hass)

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": source},
            data={"host": "192.168.1.100"},
        )

    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "already_configured"


@pytest.mark.parametrize(
    "source", [config_entries.SOURCE_ZEROCONF, config_entries.SOURCE_HOMEKIT]
)
async def test_step_homekit_zeroconf_ip_change(hass, source):
    """Test zeroconf with an ip change."""
    conf = {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }

    entry = MockConfigEntry(domain=DOMAIN, unique_id="aa:bb:cc:dd:ee:ff", data=conf)
    entry.add_to_hass(hass)

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": source},
            data={"host": "192.168.1.2"},
        )

    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "already_configured"
    assert entry.data[CONF_IP_ADDRESS] == "192.168.1.2"


@pytest.mark.parametrize(
    "source", [config_entries.SOURCE_ZEROCONF, config_entries.SOURCE_HOMEKIT]
)
async def test_step_homekit_zeroconf_new_controller_when_some_exist(hass, source):
    """Test homekit and zeroconf for a new controller when one already exists."""
    existing_conf = {
        CONF_IP_ADDRESS: "192.168.1.3",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
    }
    entry = MockConfigEntry(
        domain=DOMAIN, unique_id="zz:bb:cc:dd:ee:ff", data=existing_conf
    )
    entry.add_to_hass(hass)

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": source},
            data={"host": "192.168.1.100"},
        )

    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "user"

    with patch(
        "homeassistant.components.rainmachine.async_setup_entry", return_value=True
    ) as mock_setup_entry, patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result2 = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            {
                CONF_IP_ADDRESS: "192.168.1.100",
                CONF_PASSWORD: "password",
                CONF_PORT: 8080,
            },
        )
        await hass.async_block_till_done()

    assert result2["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result2["title"] == "My Rain Machine"
    assert result2["data"] == {
        CONF_IP_ADDRESS: "192.168.1.100",
        CONF_PASSWORD: "password",
        CONF_PORT: 8080,
        CONF_SSL: True,
        CONF_ZONE_RUN_TIME: 600,
    }
    assert mock_setup_entry.called


async def test_discovery_by_homekit_and_zeroconf_same_time(hass):
    """Test the same controller gets discovered by two different methods."""

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_ZEROCONF},
            data={"host": "192.168.1.100"},
        )

    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "user"

    with patch(
        "homeassistant.components.rainmachine.config_flow.Client",
        return_value=_get_mock_client(),
    ):
        result2 = await hass.config_entries.flow.async_init(
            DOMAIN,
            context={"source": config_entries.SOURCE_HOMEKIT},
            data={"host": "192.168.1.100"},
        )

    assert result2["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result2["reason"] == "already_in_progress"