from __future__ import annotations

import pytest

from ha_deconz_bridge.backends.deconz import DeconzBackend
from ha_deconz_bridge.color import Color
from ha_deconz_bridge.lights import ChannelSpec, ControllerModeSpec, ControllerSpec, VirtualLightSpec


def test_virtual_light_rejects_color_temp_without_native_ct_emitters() -> None:
    with pytest.raises(ValueError):
        VirtualLightSpec(
            name="bad",
            supported_color_modes=("color_temp",),
            controllers={
                "1": ControllerSpec(
                    zigbee_id="1",
                    name="RGB only",
                    modes={
                        "rgb": ControllerModeSpec(
                            name="rgb",
                            channels={
                                "r": ChannelSpec("r", Color.from_rgb((1.0, 0.0, 0.0))),
                                "g": ChannelSpec("g", Color.from_rgb((0.0, 1.0, 0.0))),
                                "b": ChannelSpec("b", Color.from_rgb((0.0, 0.0, 1.0))),
                            },
                        )
                    },
                )
            },
        )


def test_controller_mode_rejects_invalid_role() -> None:
    with pytest.raises(ValueError):
        ControllerModeSpec(
            name="rgb",
            channels={"ww": ChannelSpec("ww", Color.from_rgb((1.0, 1.0, 1.0)))},
        )


def test_deconz_invalid_ct_range_is_rejected() -> None:
    resource = {
        "state": {"on": True, "reachable": True, "bri": 254, "ct": 400, "colormode": "ct"},
        "ctmin": 65279,
        "ctmax": 0,
    }
    assert DeconzBackend.extract_mireds(resource) is None