import logging
from datetime import datetime, timezone
from uuid import uuid4

import pytest
from dynalab_core.buffer import ValueBuffer
from dynalab_core.dlpak import DLPak
from dynalab_core.protocols.packets.handshake import SignalDescriptor


def test_dlpak_logs_written_archive(caplog: pytest.LogCaptureFixture, tmp_path) -> None:
    signal = SignalDescriptor(id=uuid4(), name="Signal", type="number")
    buffer = ValueBuffer()
    buffer.append(1, signal.id, 2.0)
    package = DLPak()
    package.set_data(buffer)
    package.set_manifest(datetime.now(timezone.utc), [signal])

    with caplog.at_level(logging.INFO, logger="dynalab_core"):
        package.write(tmp_path, "recording")

    record = next(
        record
        for record in caplog.records
        if getattr(record, "event", None) == "dlpak.written"
    )
    assert record.output_filename == "recording.dlpak"
    assert record.sample_count == 1
    assert record.signal_count == 1