from application.llm.base import BaseLLM
from application.core.settings import settings

class OpenAILLM(BaseLLM):

    def __init__(self, api_key):
        global openai
        from openai import OpenAI
        
        self.client = OpenAI(
                api_key=api_key, 
            )
        self.api_key = api_key

    def _get_openai(self):
        # Import openai when needed
        import openai
        
        return openai

    def gen(self, model, messages, stream=False, engine=settings.AZURE_DEPLOYMENT_NAME, **kwargs):
        response = self.client.chat.completions.create(model=model,
            messages=messages,
            stream=stream,
            **kwargs)

        return response.choices[0].message.content

    def gen_stream(self, model, messages, stream=True, engine=settings.AZURE_DEPLOYMENT_NAME, **kwargs):
        response = self.client.chat.completions.create(model=model,
            messages=messages,
            stream=stream,
            **kwargs)

        for line in response:
            # import sys
            # print(line.choices[0].delta.content, file=sys.stderr)
            if line.choices[0].delta.content is not None:
                yield line.choices[0].delta.content


class AzureOpenAILLM(OpenAILLM):

    def __init__(self, openai_api_key, openai_api_base, openai_api_version, deployment_name):
        super().__init__(openai_api_key)
        self.api_base = settings.OPENAI_API_BASE,
        self.api_version = settings.OPENAI_API_VERSION,
        self.deployment_name = settings.AZURE_DEPLOYMENT_NAME,
        from openai import AzureOpenAI
        self.client = AzureOpenAI(
            api_key=openai_api_key,  
            api_version=settings.OPENAI_API_VERSION,
            api_base=settings.OPENAI_API_BASE,
            deployment_name=settings.AZURE_DEPLOYMENT_NAME,
        )

    def _get_openai(self):
        openai = super()._get_openai()

        return openai
