from abc import ABCMeta, abstractmethod

class LLMFactory(metaclass=ABCMeta):
    @abstractmethod
    def create_prompt_format(self):
        pass

    @abstractmethod
    def create_prompt_manager(self):
        pass

    @abstractmethod
    def create_pp_manager(self):
        pass

    @abstractmethod
    def create_ui_pp_manager(self):
        pass
    
    @abstractmethod
    def create_llm_service(self):
        pass


class PromptFmt(metaclass=ABCMeta):
    @classmethod
    @abstractmethod
    def ctx(cls, context):
        pass

    @classmethod
    @abstractmethod
    def prompt(cls, pingpong, truncate_size):
        pass


class PromptManager(metaclass=ABCMeta):
    @abstractmethod
    def load_prompts(self):
        pass

    @abstractmethod
    def reload_prompts(self):
        pass
    
    @property
    @abstractmethod
    def prompts_path(self):
        pass
    
    @prompts_path.setter
    @abstractmethod
    def prompts_path(self, prompts_path):
        pass

    @property
    @abstractmethod
    def prompts(self):
        pass
    

class PPManager(metaclass=ABCMeta):
    @abstractmethod
    def build_prompts(self, from_idx: int=0, to_idx: int=-1, fmt: PromptFmt=None, truncate_size: int=None):
        pass


class UIPPManager(PPManager, metaclass=ABCMeta):
    @abstractmethod
    def build_uis(self, from_idx: int=0, to_idx: int=-1):
        pass


class LLMService(metaclass=ABCMeta):
    @abstractmethod
    def make_params(self, mode="chat",
                          temperature=None,
                          candidate_count=None,
                          top_k=None,
                          top_p=None,
                          max_output_tokens=None,
                          use_filter=True):
        pass
    
    @abstractmethod
    async def gen_text(self, prompt, mode="chat", parameters=None, use_filter=True):
        pass