#!/usr/bin/env python3
import os
import subprocess
import datetime
import pytz

OUTDIR = "chunks"
CHUNK_SECONDS = 10800  # 3 Stunden

os.makedirs(OUTDIR, exist_ok=True)

def record_section():
    tz = pytz.timezone("Europe/Berlin")
    now = datetime.datetime.now(tz)
    timestamp = now.strftime("%Y%m%d-%H%M%S")
    filename = os.path.join(OUTDIR, f"{timestamp}.flac")
    print(f"🎙️ Starte Aufnahme: {filename}")

    cmd = [
        "ffmpeg",
        "-f", "pulse",
        "-i", "alsa_input.usb-HANMUS_USB_AUDIO_24BIT_2I2O_1612310-00.analog-stereo",
        "-ac", "1",
        "-ar", "96000",
        "-sample_fmt", "s32", # gerät kann nur 24bit, aber flac kann nur 32bit container
        "-t", str(CHUNK_SECONDS),
        "-c:a", "flac",
        "-compression_level", "12",
        filename
    ]
    subprocess.run(cmd)
    print(f"✅ Aufnahme abgeschlossen: {filename}")

def main():
    while True:
        record_section()

if __name__ == "__main__":
    main()