import os, time, logging, requests
import speech_recognition as sr
from ctypes import *

# ALSA 에러 억제
os.environ['PYGAME_HIDE_SUPPORT_PROMPT'] = "hide"
def py_error_handler(filename, line, function, err, fmt): pass
ERROR_HANDLER_FUNC = CFUNCTYPE(None, c_char_p, c_int, c_char_p, c_int, c_char_p)
c_error_handler = ERROR_HANDLER_FUNC(py_error_handler)
try:
    asound = cdll.LoadLibrary('libasound.so.2')
    asound.snd_lib_error_set_handler(c_error_handler)
except: pass

logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(message)s')
logger = logging.getLogger(__name__)

# ===== 설정 =====
OPENWEBUI_URL = "http://192.168.0.149:18789"
API_KEY = "your-openwebui-api-key"  # OpenWebUI → 설정 → API Key
MODEL = "gemini-2.0-flash"          # 오픈클로에서 쓰는 모델명
WAKE_WORD = "미나이"
MIC_INDEX = 3
# ================

def stt_google(audio_data):
    """Google STT로 음성 → 텍스트"""
    recognizer = sr.Recognizer()
    try:
        return recognizer.recognize_google(audio_data, language='ko-KR')
    except:
        return None

def send_to_openwebui(text):
    """텍스트를 OpenWebUI 채팅 API로 전송"""
    try:
        headers = {
            "Authorization": f"Bearer {API_KEY}",
            "Content-Type": "application/json"
        }
        payload = {
            "model": MODEL,
            "messages": [{"role": "user", "content": text}]
        }
        # OpenAI 호환 엔드포인트 사용
        res = requests.post(
            f"{OPENWEBUI_URL}/api/chat/completions",
            headers=headers,
            json=payload,
            timeout=30
        )
        response_text = res.json()["choices"][0]["message"]["content"]
        logger.info(f"AI 응답: {response_text}")
        return response_text
    except Exception as e:
        logger.error(f"전송 실패: {e}")
        return None

def main():
    recognizer = sr.Recognizer()
    recognizer.energy_threshold = 400
    recognizer.pause_threshold = 1.0
    mic = sr.Microphone(device_index=MIC_INDEX)

    logger.info(f"==== '{WAKE_WORD}' 대기 중 ====")

    while True:
        try:
            with mic as source:
                audio = recognizer.listen(source, timeout=None, phrase_time_limit=3)

            text = stt_google(audio)
            if not text:
                continue

            if WAKE_WORD in text:
                logger.info(f"웨이크워드 감지: {text}")
                logger.info("명령 녹음 중...")

                with mic as source:
                    cmd_audio = recognizer.listen(source, timeout=5, phrase_time_limit=10)

                cmd_text = stt_google(cmd_audio)
                if cmd_text:
                    logger.info(f"명령: {cmd_text}")
                    send_to_openwebui(cmd_text)

        except Exception as e:
            logger.error(f"루프 오류: {e}")
            time.sleep(1)

if __name__ == "__main__":
    main()