import OpenAI from 'openai';
import 'dotenv/config';

const client = new OpenAI({
  apiKey: process.env.OPENAI_API_KEY,
  baseURL: process.env.OPENAI_BASE_URL,
});

export async function chat(
  messages: { role: string; content: string }[],
  tools?: any[]  // OpenAI 格式的工具定义数组
) {
  const response = await client.chat.completions.create({
    model: 'deepseek-v4-pro',
    messages: messages as any,
    temperature: 0.7,
    ...(tools && { tools }),
  });
  return response.choices[0]!.message!;
}