"""Observability is bounded and cannot become model ownership/readiness."""

import json
import threading

from k1link.perception.realtime_contract import StreamStart
from k1link.perception.runtime_telemetry import MAX_BYTES, RuntimeTelemetryPublisher, observation
from k1link.perception.streaming_lifecycle import StreamingLifecycle
from k1link.perception.streaming_queue import StreamMailbox


def test_observation_tracks_wait_without_renewing_or_stopping_runtime(tmp_path):
    start = StreamStart(
        "run",
        "source",
        "worker-006",
        "epoch",
        1,
        "a" * 64,
        "b" * 64,
        "c" * 64,
        "d" * 64,
        "clock",
        "live",
    )
    runtime = StreamingLifecycle(
        start,
        tmp_path / "lease",
        StreamMailbox(),
        threading.Event(),
        recover_input=True,
        source_clock_ns=lambda: 1000,
    )
    try:
        runtime.ready()
        before = runtime.lease.renewals
        assert observation(runtime, "Profile")["service_state"] == "running"
        runtime.pause_input(start, "input-timeout")
        waiting = observation(runtime, "Profile")
        assert waiting["service_state"] == "waiting"
        assert waiting["input_pauses"] == 1
        assert waiting["actuation_allowed"] is False
        assert len(json.dumps(waiting).encode()) < MAX_BYTES
        assert runtime.lease.renewals == before and not runtime.stop_event.is_set()
        runtime.begin_input(start)
        assert observation(runtime, "Profile")["service_state"] == "synchronizing"
        publisher = RuntimeTelemetryPublisher(runtime, tmp_path / "current.json", "Profile")
        try:
            runtime.renew(start)
            assert runtime.close()
        finally:
            assert publisher.close()
        assert json.loads((tmp_path / "current.json").read_text())["service_state"] == "stopped"
    finally:
        runtime.close()


def test_export_failure_is_lossy_not_terminal(tmp_path):
    start = StreamStart(
        "run",
        "source",
        "worker-006",
        "epoch",
        1,
        "a" * 64,
        "b" * 64,
        "c" * 64,
        "d" * 64,
        "clock",
        "live",
    )
    runtime = StreamingLifecycle(start, tmp_path / "lease", StreamMailbox(), threading.Event())
    (tmp_path / "current.json").mkdir()  # os.replace cannot replace this directory.
    publisher = RuntimeTelemetryPublisher(runtime, tmp_path / "current.json", "Profile")
    try:
        assert publisher.close()
        assert publisher.failures > 0
        runtime.ready()
        runtime.renew(start)
        assert not runtime.stop_event.is_set()
    finally:
        runtime.close()