from SimpleLLMFunc.interface import LLM_Interface, APIKeyPool

class LLM_Interface(ABC):
    def __init__(self, api_key_pool, model_name, base_url=None, context_window=200_000):
        self.api_key_pool = api_key_pool
        self.model_name = model_name
        self.base_url = base_url
        self.context_window = context_window

    @abstractmethod
    async def chat(self, *, trace_id, stream=False, messages, timeout=None, **kwargs):
        """Non-streaming call. Returns ChatCompletion-like object."""
        ...

    @abstractmethod
    async def chat_stream(self, *, trace_id, stream=True, messages, timeout=None, **kwargs):
        """Streaming call. Returns AsyncGenerator of ChatCompletionChunk-like objects."""
        ...

from SimpleLLMFunc.interface import LLM_Interface, APIKeyPool


class MyProviderInterface(LLM_Interface):
    def __init__(self, api_key_pool: APIKeyPool, model_name: str, base_url: str):
        super().__init__(api_key_pool, model_name, base_url)
        # 在此初始化你的客户端

    async def chat(self, *, trace_id, stream=False, messages, timeout=None, **kwargs):
        api_key = self.api_key_pool.get_key()
        # 发起 API 调用
        response = await my_client.complete(
            model=self.model_name,
            messages=messages,
            api_key=api_key,
        )
        # 返回 ChatCompletion 兼容的格式
        return self._to_chat_completion(response)

    async def chat_stream(self, *, trace_id, stream=True, messages, timeout=None, **kwargs):
        api_key = self.api_key_pool.get_key()
        async for chunk in my_client.stream(
            model=self.model_name,
            messages=messages,
            api_key=api_key,
        ):
            yield self._to_chunk(chunk)

{
    "id": "call_abc123",
    "type": "function",
    "function": {
        "name": "tool_name",
        "arguments": '{"param": "value"}'  # JSON 字符串
    }
}

llm = MyProviderInterface(
    api_key_pool=APIKeyPool(api_keys=["key1"], provider_id="my-provider"),
    model_name="my-model",
    base_url="https://api.myprovider.com/v1",
)

@llm_function(llm_interface=llm)
async def my_function(text: str) -> str:
    """Works with any LLM_Interface implementation."""
    pass

from SimpleLLMFunc import OpenAIResponsesCompatible, APIKeyPool

llm = OpenAIResponsesCompatible(
    api_key_pool=APIKeyPool(api_keys=["sk-..."], provider_id="openai-responses"),
    model_name="gpt-4o",
    base_url="https://api.openai.com/v1",
)