import datetime

from minecraft_stack import _access_state, _relay_diagnostics


def test_session_and_join_counters():
    lines = [
        '[2026-09-27 16:00:00] friends> time=now level=INFO msg="xbox live session created" sessionID=private',
        '[2026-09-27 16:00:01] friends> time=now level=INFO msg="session is live - should now be visible on the friends tab" sessionID=private',
        '[2026-09-27 16:01:00] friends> time=now level=INFO msg="player authenticated via xbox live" xuid=private',
        '[2026-09-27 16:01:01] friends> time=now level=ERROR msg="failed to dial backend" err="connection refused"',
    ]
    result = _relay_diagnostics(lines)
    assert result['session_live']
    assert result['last_live_at'] == '2026-09-27 16:00:01'
    assert result['join_attempts'] == 1
    assert result['backend_joins'] == 0
    assert result['backend_failures'] == 1
    assert result['last_error_category'] == 'connection_refused'
    assert 'private' not in str(result)


def test_session_ended_and_recovered():
    lines = [
        '[2026-09-27 16:00:00] friends> level=INFO msg="session is live - should now be visible on the friends tab"',
        '[2026-09-27 16:02:00] friends> level=ERROR msg="session ended, restarting" err="403: owner isn\'t active"',
    ]
    result = _relay_diagnostics(lines)
    assert not result['session_live']
    assert result['session_failures'] == 1
    assert result['last_error_category'] == 'owner_inactive'
    lines.append('[2026-09-27 16:04:00] friends> level=INFO msg="session is live - should now be visible on the friends tab"')
    assert _relay_diagnostics(lines)['session_live']


def test_access_grace_and_degraded_state():
    now = datetime.datetime(2026, 9, 27, 16, 30, 0)
    live = {"session_live": True, "last_session_event_at": "2026-09-27 16:15:00"}
    ended = {"session_live": False, "last_session_event_at": "2026-09-27 16:29:00"}
    assert _access_state("starting", None, ended, now) == "starting"
    assert _access_state("running", None, live, now) == "ready"
    assert _access_state("running", None, ended, now) == "recovering"
    ended["last_session_event_at"] = "2026-09-27 16:25:00"
    assert _access_state("running", None, ended, now) == "degraded"


if __name__ == '__main__':
    test_session_and_join_counters()
    test_session_ended_and_recovered()
    test_access_grace_and_degraded_state()
    print('PASS relay diagnostics')