"""Test the Foscam config flow."""
from unittest.mock import patch

from libpyfoscam.foscam import (
    ERROR_FOSCAM_AUTH,
    ERROR_FOSCAM_CMD,
    ERROR_FOSCAM_UNAVAILABLE,
    ERROR_FOSCAM_UNKNOWN,
)

from homeassistant import config_entries, data_entry_flow
from homeassistant.components.foscam import config_flow

from tests.common import MockConfigEntry

VALID_CONFIG = {
    config_flow.CONF_HOST: "10.0.0.2",
    config_flow.CONF_PORT: 88,
    config_flow.CONF_USERNAME: "admin",
    config_flow.CONF_PASSWORD: "1234",
    config_flow.CONF_STREAM: "Main",
    config_flow.CONF_RTSP_PORT: 554,
}
OPERATOR_CONFIG = {
    config_flow.CONF_USERNAME: "operator",
}
INVALID_RESPONSE_CONFIG = {
    config_flow.CONF_USERNAME: "interr",
}
CAMERA_NAME = "Mocked Foscam Camera"
CAMERA_MAC = "C0:C1:D0:F4:B4:D4"


def setup_mock_foscam_camera(mock_foscam_camera):
    """Mock FoscamCamera simulating behaviour using a base valid config."""

    def configure_mock_on_init(host, port, user, passwd, verbose=False):
        product_all_info_rc = 0
        dev_info_rc = 0
        dev_info_data = {}

        if (
            host != VALID_CONFIG[config_flow.CONF_HOST]
            or port != VALID_CONFIG[config_flow.CONF_PORT]
        ):
            product_all_info_rc = dev_info_rc = ERROR_FOSCAM_UNAVAILABLE

        elif (
            user
            not in [
                VALID_CONFIG[config_flow.CONF_USERNAME],
                OPERATOR_CONFIG[config_flow.CONF_USERNAME],
                INVALID_RESPONSE_CONFIG[config_flow.CONF_USERNAME],
            ]
            or passwd != VALID_CONFIG[config_flow.CONF_PASSWORD]
        ):
            product_all_info_rc = dev_info_rc = ERROR_FOSCAM_AUTH

        elif user == INVALID_RESPONSE_CONFIG[config_flow.CONF_USERNAME]:
            product_all_info_rc = dev_info_rc = ERROR_FOSCAM_UNKNOWN

        elif user == OPERATOR_CONFIG[config_flow.CONF_USERNAME]:
            dev_info_rc = ERROR_FOSCAM_CMD

        else:
            dev_info_data["devName"] = CAMERA_NAME
            dev_info_data["mac"] = CAMERA_MAC

        mock_foscam_camera.get_product_all_info.return_value = (product_all_info_rc, {})
        mock_foscam_camera.get_dev_info.return_value = (dev_info_rc, dev_info_data)

        return mock_foscam_camera

    mock_foscam_camera.side_effect = configure_mock_on_init


async def test_user_valid(hass):
    """Test valid config from user input."""

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera, patch(
        "homeassistant.components.foscam.async_setup_entry",
        return_value=True,
    ) as mock_setup_entry:
        setup_mock_foscam_camera(mock_foscam_camera)

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            VALID_CONFIG,
        )

        await hass.async_block_till_done()

        assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
        assert result["title"] == CAMERA_NAME
        assert result["data"] == VALID_CONFIG

        assert len(mock_setup_entry.mock_calls) == 1


async def test_user_invalid_auth(hass):
    """Test we handle invalid auth from user input."""

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera:
        setup_mock_foscam_camera(mock_foscam_camera)

        invalid_user = VALID_CONFIG.copy()
        invalid_user[config_flow.CONF_USERNAME] = "invalid"

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            invalid_user,
        )

        await hass.async_block_till_done()

        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
        assert result["errors"] == {"base": "invalid_auth"}


async def test_user_cannot_connect(hass):
    """Test we handle cannot connect error from user input."""

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera:
        setup_mock_foscam_camera(mock_foscam_camera)

        invalid_host = VALID_CONFIG.copy()
        invalid_host[config_flow.CONF_HOST] = "127.0.0.1"

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            invalid_host,
        )

        await hass.async_block_till_done()

        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
        assert result["errors"] == {"base": "cannot_connect"}


async def test_user_invalid_response(hass):
    """Test we handle invalid response error from user input."""

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera:
        setup_mock_foscam_camera(mock_foscam_camera)

        invalid_response = VALID_CONFIG.copy()
        invalid_response[config_flow.CONF_USERNAME] = INVALID_RESPONSE_CONFIG[
            config_flow.CONF_USERNAME
        ]

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            invalid_response,
        )

        await hass.async_block_till_done()

        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
        assert result["errors"] == {"base": "invalid_response"}


async def test_user_already_configured(hass):
    """Test we handle already configured from user input."""

    entry = MockConfigEntry(
        domain=config_flow.DOMAIN,
        data=VALID_CONFIG,
    )
    entry.add_to_hass(hass)

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera:
        setup_mock_foscam_camera(mock_foscam_camera)

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            VALID_CONFIG,
        )

        await hass.async_block_till_done()

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


async def test_user_unknown_exception(hass):
    """Test we handle unknown exceptions from user input."""

    result = await hass.config_entries.flow.async_init(
        config_flow.DOMAIN, context={"source": config_entries.SOURCE_USER}
    )
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {}

    with patch(
        "homeassistant.components.foscam.config_flow.FoscamCamera",
    ) as mock_foscam_camera:
        mock_foscam_camera.side_effect = Exception("test")

        result = await hass.config_entries.flow.async_configure(
            result["flow_id"],
            VALID_CONFIG,
        )

        await hass.async_block_till_done()

        assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
        assert result["errors"] == {"base": "unknown"}