"""Tests for presence detection."""

import time
from unittest.mock import patch

from vigilar.config import PresenceConfig, PresenceMember
from vigilar.constants import HouseholdState
from vigilar.presence.models import MemberPresence, derive_household_state


class TestDeriveHouseholdState:
    def test_empty_when_no_members_home(self):
        members = [
            MemberPresence(name="Dad", role="adult", is_home=False, last_seen=0),
            MemberPresence(name="Mom", role="adult", is_home=False, last_seen=0),
        ]
        assert derive_household_state(members) == HouseholdState.EMPTY

    def test_all_home(self):
        members = [
            MemberPresence(name="Dad", role="adult", is_home=True, last_seen=0),
            MemberPresence(name="Mom", role="adult", is_home=True, last_seen=0),
            MemberPresence(name="Kid", role="child", is_home=True, last_seen=0),
        ]
        assert derive_household_state(members) == HouseholdState.ALL_HOME

    def test_kids_home_only(self):
        members = [
            MemberPresence(name="Dad", role="adult", is_home=False, last_seen=0),
            MemberPresence(name="Kid", role="child", is_home=True, last_seen=0),
        ]
        assert derive_household_state(members) == HouseholdState.KIDS_HOME

    def test_adults_home_not_all(self):
        members = [
            MemberPresence(name="Dad", role="adult", is_home=True, last_seen=0),
            MemberPresence(name="Kid", role="child", is_home=False, last_seen=0),
        ]
        assert derive_household_state(members) == HouseholdState.ADULTS_HOME

    def test_adults_home_no_children_configured(self):
        members = [
            MemberPresence(name="Dad", role="adult", is_home=True, last_seen=0),
        ]
        assert derive_household_state(members) == HouseholdState.ALL_HOME

    def test_empty_list(self):
        assert derive_household_state([]) == HouseholdState.EMPTY


class TestPingHost:
    @patch("vigilar.presence.monitor.subprocess.run")
    def test_ping_success(self, mock_run):
        from vigilar.presence.monitor import ping_host
        mock_run.return_value = type("R", (), {"returncode": 0})()
        assert ping_host("192.168.1.50") is True

    @patch("vigilar.presence.monitor.subprocess.run")
    def test_ping_failure(self, mock_run):
        from vigilar.presence.monitor import ping_host
        mock_run.return_value = type("R", (), {"returncode": 1})()
        assert ping_host("192.168.1.50") is False

    @patch("vigilar.presence.monitor.subprocess.run")
    def test_ping_timeout(self, mock_run):
        import subprocess as sp
        from vigilar.presence.monitor import ping_host
        mock_run.side_effect = sp.TimeoutExpired(cmd="ping", timeout=2)
        assert ping_host("192.168.1.50") is False


class TestDepartureDelay:
    def test_not_departed_within_delay(self):
        from vigilar.presence.monitor import should_mark_away
        last_seen = time.monotonic() - 300  # 5 min ago
        assert should_mark_away(last_seen, departure_delay_m=10) is False

    def test_departed_after_delay(self):
        from vigilar.presence.monitor import should_mark_away
        last_seen = time.monotonic() - 700  # 11+ min ago
        assert should_mark_away(last_seen, departure_delay_m=10) is True