"""Define tests for the PlayStation 4 config flow."""
from unittest.mock import patch

from homeassistant import data_entry_flow
from homeassistant.components import ps4
from homeassistant.components.ps4.const import DEFAULT_NAME, DEFAULT_REGION
from homeassistant.const import (
    CONF_CODE,
    CONF_HOST,
    CONF_IP_ADDRESS,
    CONF_NAME,
    CONF_REGION,
    CONF_TOKEN,
)
from homeassistant.util import location

from tests.common import MockConfigEntry

MOCK_TITLE = "PlayStation 4"
MOCK_CODE = "12345678"
MOCK_CREDS = "000aa000"
MOCK_HOST = "192.0.0.0"
MOCK_HOST_ADDITIONAL = "192.0.0.1"
MOCK_DEVICE = {
    CONF_HOST: MOCK_HOST,
    CONF_NAME: DEFAULT_NAME,
    CONF_REGION: DEFAULT_REGION,
}
MOCK_DEVICE_ADDITIONAL = {
    CONF_HOST: MOCK_HOST_ADDITIONAL,
    CONF_NAME: DEFAULT_NAME,
    CONF_REGION: DEFAULT_REGION,
}
MOCK_CONFIG = {
    CONF_IP_ADDRESS: MOCK_HOST,
    CONF_NAME: DEFAULT_NAME,
    CONF_REGION: DEFAULT_REGION,
    CONF_CODE: MOCK_CODE,
}
MOCK_CONFIG_ADDITIONAL = {
    CONF_IP_ADDRESS: MOCK_HOST_ADDITIONAL,
    CONF_NAME: DEFAULT_NAME,
    CONF_REGION: DEFAULT_REGION,
    CONF_CODE: MOCK_CODE,
}
MOCK_DATA = {CONF_TOKEN: MOCK_CREDS, "devices": [MOCK_DEVICE]}
MOCK_UDP_PORT = int(987)
MOCK_TCP_PORT = int(997)

MOCK_AUTO = {"Config Mode": "Auto Discover"}
MOCK_MANUAL = {"Config Mode": "Manual Entry", CONF_IP_ADDRESS: MOCK_HOST}

MOCK_LOCATION = location.LocationInfo(
    "0.0.0.0",
    "US",
    "United States",
    "CA",
    "California",
    "San Diego",
    "92122",
    "America/Los_Angeles",
    32.8594,
    -117.2073,
    True,
)


async def test_full_flow_implementation(hass):
    """Test registering an implementation and flow works."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.location = MOCK_LOCATION
    manager = hass.config_entries

    # User Step Started, results in Step Creds
    with patch("pyps4_homeassistant.Helper.port_bind", return_value=None):
        result = await flow.async_step_user()
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "creds"

    # Step Creds results with form in Step Mode.
    with patch("pyps4_homeassistant.Helper.get_creds", return_value=MOCK_CREDS):
        result = await flow.async_step_creds({})
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "mode"

    # Step Mode with User Input which is not manual, results in Step Link.
    with patch(
        "pyps4_homeassistant.Helper.has_devices", return_value=[{"host-ip": MOCK_HOST}]
    ):
        result = await flow.async_step_mode(MOCK_AUTO)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"

    # User Input results in created entry.
    with patch("pyps4_homeassistant.Helper.link", return_value=(True, True)), patch(
        "pyps4_homeassistant.Helper.has_devices", return_value=[{"host-ip": MOCK_HOST}]
    ):
        result = await flow.async_step_link(MOCK_CONFIG)
    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result["data"][CONF_TOKEN] == MOCK_CREDS
    assert result["data"]["devices"] == [MOCK_DEVICE]
    assert result["title"] == MOCK_TITLE

    await hass.async_block_till_done()

    # Add entry using result data.
    mock_data = {
        CONF_TOKEN: result["data"][CONF_TOKEN],
        "devices": result["data"]["devices"],
    }
    entry = MockConfigEntry(domain=ps4.DOMAIN, data=mock_data)
    entry.add_to_manager(manager)

    # Check if entry exists.
    assert len(manager.async_entries()) == 1
    # Check if there is a device config in entry.
    assert len(entry.data["devices"]) == 1


async def test_multiple_flow_implementation(hass):
    """Test multiple device flows."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.location = MOCK_LOCATION
    manager = hass.config_entries

    # User Step Started, results in Step Creds
    with patch("pyps4_homeassistant.Helper.port_bind", return_value=None):
        result = await flow.async_step_user()
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "creds"

    # Step Creds results with form in Step Mode.
    with patch("pyps4_homeassistant.Helper.get_creds", return_value=MOCK_CREDS):
        result = await flow.async_step_creds({})
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "mode"

    # Step Mode with User Input which is not manual, results in Step Link.
    with patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ):
        result = await flow.async_step_mode(MOCK_AUTO)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"

    # User Input results in created entry.
    with patch("pyps4_homeassistant.Helper.link", return_value=(True, True)), patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ):
        result = await flow.async_step_link(MOCK_CONFIG)
    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result["data"][CONF_TOKEN] == MOCK_CREDS
    assert result["data"]["devices"] == [MOCK_DEVICE]
    assert result["title"] == MOCK_TITLE

    await hass.async_block_till_done()

    # Add entry using result data.
    mock_data = {
        CONF_TOKEN: result["data"][CONF_TOKEN],
        "devices": result["data"]["devices"],
    }
    entry = MockConfigEntry(domain=ps4.DOMAIN, data=mock_data)
    entry.add_to_manager(manager)

    # Check if entry exists.
    assert len(manager.async_entries()) == 1
    # Check if there is a device config in entry.
    assert len(entry.data["devices"]) == 1

    # Test additional flow.

    # User Step Started, results in Step Mode:
    with patch("pyps4_homeassistant.Helper.port_bind", return_value=None), patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ):
        result = await flow.async_step_user()
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "creds"

    # Step Creds results with form in Step Mode.
    with patch("pyps4_homeassistant.Helper.get_creds", return_value=MOCK_CREDS):
        result = await flow.async_step_creds({})
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "mode"

    # Step Mode with User Input which is not manual, results in Step Link.
    with patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ):
        result = await flow.async_step_mode(MOCK_AUTO)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"

    # Step Link
    with patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ), patch("pyps4_homeassistant.Helper.link", return_value=(True, True)):
        result = await flow.async_step_link(MOCK_CONFIG_ADDITIONAL)
    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result["data"][CONF_TOKEN] == MOCK_CREDS
    assert len(result["data"]["devices"]) == 1
    assert result["title"] == MOCK_TITLE

    await hass.async_block_till_done()

    mock_data = {
        CONF_TOKEN: result["data"][CONF_TOKEN],
        "devices": result["data"]["devices"],
    }

    # Update config entries with result data
    entry = MockConfigEntry(domain=ps4.DOMAIN, data=mock_data)
    entry.add_to_manager(manager)
    manager.async_update_entry(entry)

    # Check if there are 2 entries.
    assert len(manager.async_entries()) == 2
    # Check if there is device config in entry.
    assert len(entry.data["devices"]) == 1


async def test_port_bind_abort(hass):
    """Test that flow aborted when cannot bind to ports 987, 997."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass

    with patch("pyps4_homeassistant.Helper.port_bind", return_value=MOCK_UDP_PORT):
        reason = "port_987_bind_error"
        result = await flow.async_step_user(user_input=None)
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == reason

    with patch("pyps4_homeassistant.Helper.port_bind", return_value=MOCK_TCP_PORT):
        reason = "port_997_bind_error"
        result = await flow.async_step_user(user_input=None)
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == reason


async def test_duplicate_abort(hass):
    """Test that Flow aborts when found devices already configured."""
    MockConfigEntry(domain=ps4.DOMAIN, data=MOCK_DATA).add_to_hass(hass)
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.creds = MOCK_CREDS

    with patch(
        "pyps4_homeassistant.Helper.has_devices", return_value=[{"host-ip": MOCK_HOST}]
    ):
        result = await flow.async_step_link(user_input=None)
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "devices_configured"


async def test_additional_device(hass):
    """Test that Flow can configure another device."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.creds = MOCK_CREDS
    manager = hass.config_entries

    # Mock existing entry.
    entry = MockConfigEntry(domain=ps4.DOMAIN, data=MOCK_DATA)
    entry.add_to_manager(manager)
    # Check that only 1 entry exists
    assert len(manager.async_entries()) == 1

    with patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": MOCK_HOST}, {"host-ip": MOCK_HOST_ADDITIONAL}],
    ), patch("pyps4_homeassistant.Helper.link", return_value=(True, True)):
        result = await flow.async_step_link(MOCK_CONFIG_ADDITIONAL)
    assert result["type"] == data_entry_flow.RESULT_TYPE_CREATE_ENTRY
    assert result["data"][CONF_TOKEN] == MOCK_CREDS
    assert len(result["data"]["devices"]) == 1
    assert result["title"] == MOCK_TITLE

    # Add New Entry
    entry = MockConfigEntry(domain=ps4.DOMAIN, data=MOCK_DATA)
    entry.add_to_manager(manager)

    # Check that there are 2 entries
    assert len(manager.async_entries()) == 2


async def test_no_devices_found_abort(hass):
    """Test that failure to find devices aborts flow."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass

    with patch("pyps4_homeassistant.Helper.has_devices", return_value=[]):
        result = await flow.async_step_link()
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "no_devices_found"


async def test_manual_mode(hass):
    """Test host specified in manual mode is passed to Step Link."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.location = MOCK_LOCATION

    # Step Mode with User Input: manual, results in Step Link.
    with patch(
        "pyps4_homeassistant.Helper.has_devices",
        return_value=[{"host-ip": flow.m_device}],
    ):
        result = await flow.async_step_mode(MOCK_MANUAL)
    assert flow.m_device == MOCK_HOST
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"


async def test_credential_abort(hass):
    """Test that failure to get credentials aborts flow."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass

    with patch("pyps4_homeassistant.Helper.get_creds", return_value=None):
        result = await flow.async_step_creds({})
    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
    assert result["reason"] == "credential_error"


async def test_credential_timeout(hass):
    """Test that Credential Timeout shows error."""
    from pyps4_homeassistant.errors import CredentialTimeout

    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass

    with patch("pyps4_homeassistant.Helper.get_creds", side_effect=CredentialTimeout):
        result = await flow.async_step_creds({})
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["errors"] == {"base": "credential_timeout"}


async def test_wrong_pin_error(hass):
    """Test that incorrect pin throws an error."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.location = MOCK_LOCATION

    with patch("pyps4_homeassistant.Helper.link", return_value=(True, False)), patch(
        "pyps4_homeassistant.Helper.has_devices", return_value=[{"host-ip": MOCK_HOST}]
    ):
        result = await flow.async_step_link(MOCK_CONFIG)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"
    assert result["errors"] == {"base": "login_failed"}


async def test_device_connection_error(hass):
    """Test that device not connected or on throws an error."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass
    flow.location = MOCK_LOCATION

    with patch("pyps4_homeassistant.Helper.link", return_value=(False, True)), patch(
        "pyps4_homeassistant.Helper.has_devices", return_value=[{"host-ip": MOCK_HOST}]
    ):
        result = await flow.async_step_link(MOCK_CONFIG)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "link"
    assert result["errors"] == {"base": "not_ready"}


async def test_manual_mode_no_ip_error(hass):
    """Test no IP specified in manual mode throws an error."""
    flow = ps4.PlayStation4FlowHandler()
    flow.hass = hass

    mock_input = {"Config Mode": "Manual Entry"}

    result = await flow.async_step_mode(mock_input)
    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
    assert result["step_id"] == "mode"
    assert result["errors"] == {CONF_IP_ADDRESS: "no_ipaddress"}
