"""Unit tests for models and helpers."""

from __future__ import annotations

from datetime import UTC, datetime

from shelly_manager.core.discovery import classify_generation, normalize_mac
from shelly_manager.core.models import (
    DeviceFilter,
    ShellyDevice,
    infer_capabilities,
    preserve_firmware_check_metadata,
)


def test_classify_generation_gen1() -> None:
    assert classify_generation({"type": "SHSW-21", "mac": "A"}) == 1


def test_classify_generation_gen2() -> None:
    assert classify_generation({"gen": 2, "model": "x"}) == 2
    assert classify_generation({"gen": 3, "model": "x"}) == 3


def test_normalize_mac() -> None:
    assert normalize_mac("aa:bb:cc:dd:ee:ff") == "AABBCCDDEEFF"


def test_device_filter_matches() -> None:
    d = ShellyDevice(
        id="AABB",
        name="Kitchen",
        mac="AA:BB",
        ip="192.168.1.10",
        generation=2,
        model="Plus1",
        firmware="1.0",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=["switch"],
        status={},
        settings={},
        tags=["t1"],
    )
    assert DeviceFilter(generations=[2]).matches(d)
    assert not DeviceFilter(generations=[1]).matches(d)
    assert DeviceFilter(tags=["t1"]).matches(d)
    assert not DeviceFilter(tags=["missing"]).matches(d)
    assert DeviceFilter(name_contains="kit").matches(d)
    assert DeviceFilter(ip_prefix="192.168.1").matches(d)
    assert DeviceFilter(only_device_ids=["AABB"]).matches(d)
    assert not DeviceFilter(only_device_ids=["OTHER"]).matches(d)


def test_device_filter_settings_truthy() -> None:
    d = ShellyDevice(
        id="AABB",
        name="Kitchen",
        mac="AA:BB",
        ip="192.168.1.10",
        generation=2,
        model="Plus1",
        firmware="1.0",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=[],
        status={},
        settings={"ble": {"enable": True}},
        tags=[],
    )
    f = DeviceFilter(settings_path="ble.enable", settings_match="truthy")
    assert f.matches(d)
    d2 = d.model_copy(update={"settings": {"ble": {"enable": False}}})
    assert not f.matches(d2)


def test_shelly_device_http_url() -> None:
    d = ShellyDevice(
        id="AABB",
        name="Kitchen",
        mac="AA:BB",
        ip="192.168.1.10",
        generation=2,
        model="Plus1",
        firmware="1.0",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=[],
        status={},
        settings={},
        tags=[],
        http_port=8080,
    )
    assert d.http_url == "http://192.168.1.10:8080/"


def test_device_filter_capabilities_and_status() -> None:
    d = ShellyDevice(
        id="AABB",
        name="Kitchen",
        mac="AA:BB",
        ip="192.168.1.10",
        generation=2,
        model="Plus1",
        firmware="1.0",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=["switch"],
        status={"switch:0": {"output": True}},
        settings={},
        tags=[],
    )
    assert DeviceFilter(capabilities_any=["switch"]).matches(d)
    assert not DeviceFilter(capabilities_any=["relay"]).matches(d)
    assert DeviceFilter(status_path="switch:0|output", status_match="truthy").matches(d)


def test_device_filter_settings_falsy() -> None:
    d = ShellyDevice(
        id="AABB",
        name="Kitchen",
        mac="AA:BB",
        ip="192.168.1.10",
        generation=2,
        model="Plus1",
        firmware="1.0",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=[],
        status={},
        settings={},
        tags=[],
    )
    f = DeviceFilter(settings_path="ble.enable", settings_match="falsy")
    assert f.matches(d)


def test_infer_capabilities_gen1_relay() -> None:
    caps = infer_capabilities(1, {"relays": [{"ison": True}]}, {})
    assert "relay" in caps


def test_infer_capabilities_gen2_switch() -> None:
    caps = infer_capabilities(2, {"switch:0": {"output": True}}, {})
    assert "switch" in caps


def test_preserve_firmware_check_metadata() -> None:
    ts = datetime.now(UTC)
    prev = ShellyDevice(
        id="AABBCCDDEEFF",
        name="A",
        mac="AA:BB:CC:DD:EE:FF",
        ip="192.168.1.1",
        generation=2,  # type: ignore[arg-type]
        model="Plus1",
        firmware="1",
        online=True,
        last_seen=ts,
        capabilities=[],
        status={},
        settings={},
        firmware_check_result={"stable": {"version": "1.7.4"}},
        firmware_check_at=ts,
    )
    fresh = ShellyDevice(
        id="AABBCCDDEEFF",
        name="A",
        mac="AA:BB:CC:DD:EE:FF",
        ip="192.168.1.1",
        generation=2,  # type: ignore[arg-type]
        model="Plus1",
        firmware="1",
        online=True,
        last_seen=ts,
        capabilities=[],
        status={"sys": {}},
        settings={},
        firmware_check_result=None,
        firmware_check_at=None,
    )
    preserve_firmware_check_metadata(fresh, prev)
    assert fresh.firmware_check_result == prev.firmware_check_result
    assert fresh.firmware_check_at == prev.firmware_check_at