"""Tests for cht.config — verify defaults are sane."""

from pathlib import Path

from cht.config import (
    APP_ID,
    APP_NAME,
    DATA_DIR,
    SESSIONS_DIR,
    STREAM_HOST,
    STREAM_PORT,
    SCENE_THRESHOLD,
    MAX_FRAME_INTERVAL,
    SEGMENT_DURATION,
)


def test_app_id_format():
    assert "." in APP_ID
    assert APP_ID.startswith("com.")


def test_data_dir_under_home():
    assert str(DATA_DIR).startswith(str(Path.home()))


def test_sessions_dir_under_data():
    assert str(SESSIONS_DIR).startswith(str(DATA_DIR))


def test_stream_host_binds_all():
    assert STREAM_HOST == "0.0.0.0"


def test_stream_port_is_int():
    assert isinstance(STREAM_PORT, int)
    assert 1024 <= STREAM_PORT <= 65535


def test_scene_threshold_range():
    assert 0 < SCENE_THRESHOLD < 1


def test_max_frame_interval_positive():
    assert MAX_FRAME_INTERVAL > 0


def test_segment_duration_positive():
    assert SEGMENT_DURATION > 0