from abc import ABC, abstractmethod

#------ 抽象 ASR, LLM, TTS 类 ------ #
class ASR(ABC):
    def __init__(self):
        self.is_slience = False
    @abstractmethod
    async def stream_recognize(self, chunk):
        pass

class LLM(ABC):
    @abstractmethod
    def chat(self, assistant, prompt, db):
        pass

class TTS(ABC):
    @abstractmethod
    def synthetize(self, assistant, text):
        pass
# --------------------------------- #


# ----------- 抽象服务类 ----------- #
class UserAudioService(ABC):
    @abstractmethod
    def user_audio_process(self, audio:str, **kwargs) -> str:
        pass
    
class PromptService(ABC):
    @abstractmethod
    def prompt_process(self, prompt:str, **kwargs) -> str:
        pass

class LLMMsgService(ABC):
    @abstractmethod
    def llm_msg_process(self, llm_chunks:list, **kwargs) -> list:
        pass
    
class TTSAudioService(ABC):
    @abstractmethod
    def tts_audio_process(self, audio:bytes, **kwargs) -> bytes:
        pass
# --------------------------------- #