from openai import OpenAI
from Config.Config import MODEL_API_KEY, MODEL_NAME

class ALiYunUtil:
    def __init__(self):
        self.client = OpenAI(
            api_key=MODEL_API_KEY,
            base_url="https://dashscope.aliyuncs.com/compatible-mode/v1"
        )
        self.model_name = MODEL_NAME
    
    def chat(self, prompt, model=None):
        """
        与阿里云大模型对话
        :param prompt: 用户输入的问题
        :param model: 可选，指定使用的模型，默认使用Config中的MODEL_NAME
        :return: 模型返回的答案
        """
        try:
            completion = self.client.chat.completions.create(
                model=model or self.model_name,
                messages=[
                    {'role': 'user', 'content': prompt}
                ]
            )
            return completion.choices[0].message.content
        except Exception as e:
            return f"发生错误: {str(e)}"
            
    def chat_stream(self, prompt, model=None):
        """
        与阿里云大模型流式对话
        :param prompt: 用户输入的问题
        :param model: 可选，指定使用的模型
        :return: 异步生成器，返回模型流式响应
        """
        try:
            stream = self.client.chat.completions.create(
                model=model or self.model_name,
                messages=[
                    {'role': 'user', 'content': prompt}
                ],
                stream=True
            )
            for chunk in stream:
                if chunk.choices[0].delta.content:
                    yield chunk.choices[0].delta.content
        except Exception as e:
            yield f"发生错误: {str(e)}"