"""Tests for range/cooktop-oven combo support (issue #44)."""

from custom_components.localthings.registry.adapter import flatten
from custom_components.localthings.registry.by_type import for_device_by_model
from custom_components.localthings.registry.capabilities import range as range_caps
from custom_components.localthings.registry.discovery import discover
from custom_components.localthings.registry.entities import SelectDesc, SensorDesc, SwitchDesc
from tests.conftest import _load_device


def _range():
    resources = _load_device("range")
    info = resources["/information/vs/0"]
    reg = for_device_by_model(
        info["x.com.samsung.da.modelNum"],
        info["x.com.samsung.da.description"],
    )
    return reg, resources


def _state():
    reg, resources = _range()
    bound = discover(resources, reg.capabilities, reg.pattern_capabilities)
    return flatten(bound, resources)


def test_range_model_resolves_to_range_registry():
    reg, _ = _range()
    assert reg is not None and reg.name == "range"


def test_no_unbound_hrefs():
    """Every resource in the issue #44 dump binds or is ignored -- clears the
    coverage-gap repair."""
    reg, resources = _range()
    unbound = []
    discover(resources, reg.capabilities, reg.pattern_capabilities, log=unbound.append)
    assert unbound == []


def test_expected_entities_present():
    state = _state()
    for key in (
        "power_switch",
        "oven_setpoint",
        "current_temp_c",
        "oven_mode",
        "machine_state",
        "door_open",
        "cloud_connected",
        "cooktop_state",
        "cooktop_safety_shutoff_enabled",
        "burner_0_power_level",
        "burner_0_state",
        "burner_0_hot_surface",
        "burner_3_power_level",
        "burner_3_state",
        "burner_3_hot_surface",
    ):
        assert key in state, key


def test_unreported_burners_gated_out():
    """Dump reports numberOfBurners=4 (indices 0-3) -- burner slots 4/5 of
    MAX_BURNERS must not appear as entities."""
    state = _state()
    for key in ("burner_4_power_level", "burner_5_power_level"):
        assert key not in state, key


def test_burner_power_level_write_is_read_modify_write():
    desc = next(
        e
        for e in range_caps.COOKTOP_STATUS.entities
        if e.key == "burner_1_power_level" and isinstance(e, SelectDesc)
    )
    rep = {
        "burnerList": [
            {"burnerNumber": 0, "powerLevel": "3"},
            {"burnerNumber": 1, "powerLevel": "0"},
        ]
    }
    assert desc.write_fn is not None
    result = desc.write_fn("boost", rep)
    assert result is not None
    path, body = result
    assert path == ["cooktop", "status", "vs", "0"]
    burners = {b["burnerNumber"]: b["powerLevel"] for b in body["burnerList"]}
    assert burners[1] == "boost"
    assert burners[0] == "3"  # sibling burner untouched


def test_burner_power_level_write_rejects_missing_burner():
    desc = next(
        e
        for e in range_caps.COOKTOP_STATUS.entities
        if e.key == "burner_2_power_level" and isinstance(e, SelectDesc)
    )
    rep = {"burnerList": [{"burnerNumber": 0, "powerLevel": "0"}]}
    assert desc.write_fn is not None
    assert desc.write_fn("5", rep) is None


def test_burner_hot_surface_true_when_not_normal():
    desc = next(e for e in range_caps.COOKTOP_STATUS.entities if e.key == "burner_0_hot_surface")
    assert desc.value_fn([{"burnerNumber": 0, "hotSurfaceState": "hot"}]) is True
    assert desc.value_fn([{"burnerNumber": 0, "hotSurfaceState": "normal"}]) is False


def test_burner_pan_detected():  # issue #86
    desc = next(e for e in range_caps.COOKTOP_STATUS.entities if e.key == "burner_0_pan_detected")
    assert desc.value_fn([{"burnerNumber": 0, "panDetection": True}]) is True
    assert desc.value_fn([{"burnerNumber": 0, "panDetection": False}]) is False
    assert desc.value_fn([{"burnerNumber": 1, "panDetection": True}]) is False  # different burner


def test_cooktop_power_is_read_only():  # issue #86
    desc = next(e for e in range_caps.COOKTOP_STATUS.entities if e.key == "cooktop_power")
    assert desc.value_fn("On") is True
    assert desc.value_fn("Off") is False
    assert not hasattr(desc, "write_fn")  # BinarySensorDesc has no write path at all


def test_cooktop_child_lock_write():  # issue #86
    desc = next(
        e
        for e in range_caps.COOKTOP_STATUS.entities
        if e.key == "cooktop_child_lock" and isinstance(e, SwitchDesc)
    )
    assert desc.value_fn("on") is True
    assert desc.value_fn("off") is False
    assert desc.write_fn is not None
    result = desc.write_fn("On", {})
    assert result is not None
    path, body = result
    assert path == ["cooktop", "status", "vs", "0"]
    assert body == {"childLock": "on"}
    assert desc.write_fn("Bogus", {}) is None


def test_probe_status_temperature_unit_reads_live_field():  # issue #86
    desc = next(
        e
        for e in range_caps.PROBE_STATUS.entities
        if e.key == "probe_temperature" and isinstance(e, SensorDesc)
    )
    assert desc.unit_fn is not None
    assert desc.unit_fn({"temperatureUnit": "C"}) == "°C"
    assert desc.unit_fn({"temperatureUnit": "F"}) == "°F"
    assert desc.unit_fn({}) == "°C"


def test_probe_status_connected_value_fn():  # issue #86
    desc = next(e for e in range_caps.PROBE_STATUS.entities if e.key == "probe_connected")
    assert desc.value_fn("Connected") is True
    assert desc.value_fn("Disconnected") is False