# helpers/ai_client.py import os from openai import OpenAI from typing import Optional import logging # Set up logging logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) class AIClient: def __init__(self): # Initialize OpenAI client self.client = OpenAI(api_key=os.getenv("OPENROUTER_API_KEY"), base_url="https://openrouter.ai/api/v1") def chat( self, prompt: str, system_message: str = "", model_id: str = "openai/gpt-4o-mini", conversation_id: str = "", user_id: str = "string" ) -> str: try: messages = [] # Add system message if provided if system_message: messages.append({"role": "system", "content": system_message}) # Add user message messages.append({"role": "user", "content": prompt}) # Create completion completion = self.client.chat.completions.create( model=model_id, messages=messages ) # Return the response text return completion.choices[0].message.content except Exception as e: logger.error(f"Error in chat completion: {str(e)}") raise Exception(f"Error from OpenRouter API: {str(e)}")