"""Real Home Assistant fixtures, isolated from the offline boundary doubles."""
from unittest.mock import patch

import pytest
from homeassistant.core import ServiceRegistry
from pytest_homeassistant_custom_component.common import MockConfigEntry


@pytest.fixture(autouse=True)
def custom_integrations(enable_custom_integrations):
    """Let HA discover custom_components/heating_mpc in this checkout."""


@pytest.fixture(autouse=True)
def no_actuator_calls():
    """Reject every HA service call during all tested observer lifecycle paths."""
    with patch.object(ServiceRegistry, "async_call", side_effect=AssertionError(
        "The shadow integration must never call HA services"
    )) as calls:
        yield calls
        calls.assert_not_called()


@pytest.fixture
def entry():
    return MockConfigEntry(
        domain="heating_mpc", version=2, unique_id="home_heating",
        data={"climate_entity": "climate.reference", "heater_entity": "switch.boiler",
              "room_entities": ["sensor.room"],
              "outside_temperature_sources": ["sensor.outside"],
              "weights": {"sensor.room": 1.0}, "horizon_minutes": 60},
    )


@pytest.fixture
def inputs(hass):
    hass.states.async_set("sensor.room", "20", {"unit_of_measurement": "°C"})
    hass.states.async_set("sensor.outside", "5", {"unit_of_measurement": "°C"})
    hass.states.async_set("switch.boiler", "off")
    hass.states.async_set("climate.reference", "heat", {"temperature": 22, "preset_mode": "comfort"})