"""DeviceManager with discovery mocked."""

from __future__ import annotations

from datetime import UTC, datetime
from unittest.mock import AsyncMock, MagicMock, patch

import pytest

from shelly_manager.core.device_manager import DeviceManager, shelly_from_probe
from shelly_manager.core.models import DiscoveredEndpoint, ShellyDevice


@pytest.mark.asyncio
async def test_shelly_from_probe_gen2() -> None:
    d = shelly_from_probe(
        "10.0.0.2",
        2,
        {"gen": 2, "mac": "AABBCCDDEEFF", "model": "Plus1", "fw_id": "x", "id": "shellyplus1-abc"},
    )
    assert d.generation == 2
    assert d.ip == "10.0.0.2"


@pytest.mark.asyncio
async def test_discover_all_persists_after_mdns_probe_and_enrich(
    app_config_sqlite,
) -> None:
    dm = DeviceManager(app_config_sqlite)

    enriched = ShellyDevice(
        id="AABBCCDDEEFF",
        name="enriched",
        mac="AA:BB:CC:DD:EE:FF",
        ip="10.0.0.1",
        generation=2,
        model="Plus1",
        firmware="1",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=["switch"],
        status={"ok": True},
        settings={"sys": {}},
    )

    ep = DiscoveredEndpoint(ip="10.0.0.1", port=80, source="mdns_http", txt={})
    probe_payload = {
        "gen": 2,
        "mac": "AA:BB:CC:DD:EE:FF",
        "model": "Plus1",
        "fw_id": "1",
        "id": "shellyplus1-abc",
    }

    fake_rt = MagicMock()
    fake_rt.__aenter__ = AsyncMock(return_value=fake_rt)
    fake_rt.__aexit__ = AsyncMock(return_value=None)

    with (
        patch("shelly_manager.core.device_manager.browse_mdns", new_callable=AsyncMock) as mdns,
        patch("shelly_manager.core.device_manager.probe_ip", new_callable=AsyncMock) as probe,
        patch(
            "shelly_manager.core.device_manager.fetch_device_snapshot",
            new_callable=AsyncMock,
        ) as enrich,
        patch("shelly_manager.core.device_manager.ShellyRuntime", return_value=fake_rt),
    ):
        mdns.return_value = [ep]
        probe.return_value = (2, probe_payload)
        enrich.return_value = enriched

        sess = MagicMock()
        await dm.discover_all(session=sess)

    stored = await dm.storage.get_device("AABBCCDDEEFF")
    assert stored is not None
    assert stored.name == "enriched"
    assert stored.status.get("ok") is True


@pytest.mark.asyncio
async def test_add_device_by_ip_invalid(app_config_sqlite) -> None:
    dm = DeviceManager(app_config_sqlite)
    dev, err = await dm.add_device_by_ip("not-an-ip")
    assert dev is None
    assert err is not None
    assert "Invalid" in err


@pytest.mark.asyncio
async def test_add_device_by_ip_no_shelly_json(app_config_sqlite) -> None:
    dm = DeviceManager(app_config_sqlite)
    with patch("shelly_manager.core.device_manager.fetch_shelly_json", new_callable=AsyncMock) as fj:
        fj.return_value = None
        sess = MagicMock()
        dev, err = await dm.add_device_by_ip("192.168.1.1", session=sess)
    assert dev is None
    assert err is not None


@pytest.mark.asyncio
async def test_add_device_by_ip_persists_after_enrich(app_config_sqlite) -> None:
    dm = DeviceManager(app_config_sqlite)
    enriched = ShellyDevice(
        id="AABBCCDDEEFF",
        name="enriched",
        mac="AA:BB:CC:DD:EE:FF",
        ip="10.0.0.5",
        generation=2,
        model="Plus1",
        firmware="1",
        online=True,
        last_seen=datetime.now(UTC),
        capabilities=["switch"],
        status={"ok": True},
        settings={"sys": {}},
    )
    probe_payload = {
        "gen": 2,
        "mac": "AA:BB:CC:DD:EE:FF",
        "model": "Plus1",
        "fw_id": "1",
        "id": "shellyplus1-abc",
    }
    fake_rt = MagicMock()
    fake_rt.__aenter__ = AsyncMock(return_value=fake_rt)
    fake_rt.__aexit__ = AsyncMock(return_value=None)

    with (
        patch("shelly_manager.core.device_manager.fetch_shelly_json", new_callable=AsyncMock) as fj,
        patch(
            "shelly_manager.core.device_manager.fetch_device_snapshot",
            new_callable=AsyncMock,
        ) as enrich,
        patch("shelly_manager.core.device_manager.ShellyRuntime", return_value=fake_rt),
    ):
        fj.return_value = probe_payload
        enrich.return_value = enriched
        sess = MagicMock()
        dev, err = await dm.add_device_by_ip("10.0.0.5", session=sess)

    assert err is None
    assert dev is not None
    assert dev.name == "enriched"
    stored = await dm.storage.get_device("AABBCCDDEEFF")
    assert stored is not None
    assert stored.status.get("ok") is True