"""Tests for the read-only cooktop capability profile."""

from custom_components.localthings.registry.adapter import flatten
from custom_components.localthings.registry.by_type import cooktop
from custom_components.localthings.registry.capabilities.cooktop import (
    COOKTOP_MODE,
)
from custom_components.localthings.registry.discovery import discover
from tests.conftest import _load_device


def _state(resources):
    bound = discover(
        resources,
        cooktop.REGISTRY.capabilities,
        cooktop.REGISTRY.pattern_capabilities,
    )
    return flatten(bound, resources)


def test_real_cooktop_fixture_has_expected_idle_state():
    state = _state(_load_device("cooktop"))

    assert state["power_state"] is True
    assert state["any_burner_active"] is False
    assert state["burner_0_state"] == "Ready"
    assert state["burner_5_state"] == "Ready"
    assert state["main_timer_state"] == "Ready"
    assert state["main_timer_current"] == 0
    assert state["cloud_connected"] is True
    assert state["paired_hood_connected"] is False
    assert state["paired_hood_power"] is False
    assert state["paired_hood_fan_speed"] == 0
    assert state["paired_hood_light"] is False


def test_run_operation_marks_any_burner_active():
    resources = _load_device("cooktop")
    options = resources["/mode/vs/0"]["x.com.samsung.da.options"]
    options[options.index("OperationState3_Ready")] = "OperationState3_Run"

    state = _state(resources)

    assert state["burner_3_state"] == "Run"
    assert state["any_burner_active"] is True


def test_cooktop_profile_has_no_write_functions():
    """A local integration must never expose unverified remote ignition."""
    descriptions = [
        desc
        for capabilities in cooktop.REGISTRY.capabilities.values()
        for capability in capabilities
        for desc in capability.entities
    ]

    assert descriptions
    assert all(not hasattr(desc, "write_fn") or desc.write_fn is None for desc in descriptions)


def test_static_slot_superset_has_headroom_for_other_layouts():
    keys = {desc.key for desc in COOKTOP_MODE.entities}

    assert {f"burner_{slot}_state" for slot in range(8)} <= keys


def test_variant_slot_outside_na9300k_layout_is_discovered():
    resources = _load_device("cooktop")
    resources["/mode/vs/0"]["x.com.samsung.da.options"].append(
        "OperationState7_Ready",
    )

    state = _state(resources)

    assert state["burner_7_state"] == "Ready"
    assert "burner_2_state" not in state