import os
import subprocess

import httpx
from dotenv import load_dotenv

load_dotenv()

API_KEY = os.environ["API_KEY"]
HOST = os.environ["HOST"]
BASE = f"https://{HOST}/proxy/protect/integration/v1"
HEADERS = {"X-API-Key": API_KEY}
CAMERA_NAME = "G6 Pro 360"
AUDIO_FILE = "./data/hello.wav"
VOLUME = 1.0  # 10%


def main():
    with httpx.Client(headers=HEADERS, verify=False) as client:
        cameras = client.get(f"{BASE}/cameras").raise_for_status().json()
        camera = next(c for c in cameras if CAMERA_NAME in c["name"])
        print(f"Camera: {camera['name']} ({camera['id']})")

        session = client.post(f"{BASE}/cameras/{camera['id']}/talkback-session").raise_for_status().json()
        print(f"Talkback: {session['url']} ({session['codec']} {session['samplingRate']}Hz)")

        proc = subprocess.Popen([
            "ffmpeg", "-re", "-i", AUDIO_FILE,
            "-af", f"volume={VOLUME}",
            "-acodec", "libopus",
            "-ar", str(session["samplingRate"]),
            "-ac", "1",
            "-b:a", "64k",
            "-f", "rtp", session["url"],
        ])

        try:
            proc.wait()
        except KeyboardInterrupt:
            proc.terminate()
            proc.wait()


if __name__ == "__main__":
    main()