from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]


def read_text(path: str) -> str:
    return (ROOT / path).read_text(encoding="utf-8")


def require(condition: bool, message: str) -> None:
    if not condition:
        raise SystemExit(message)


def main() -> None:
    app = read_text("main/application.cc")
    mqtt_header = read_text("main/boards/sening-xiaozhi-s3/mqtt.h")

    require(
        "void BoardMqtt_StopPlaylistPlayback(void);" in mqtt_header,
        "MQTT header must expose a public playlist stop API",
    )

    power_off_body = app.split("void Application::EnterPowerOffStandby()", 1)[1].split(
        "void Application::RestoreFromPowerOffStandby", 1
    )[0]
    require(
        "BoardMqtt_StopPlaylistPlayback();" in power_off_body,
        "power-off standby must stop the whole playlist task, not only the current MP3",
    )
    require(
        "StopSdCardMp3();" not in power_off_body,
        "power-off standby must not bypass the playlist stop API with direct MP3 stop",
    )


if __name__ == "__main__":
    main()