roastify/roastMiddleware.js

A Node.js library that generates sarcastic and roast-style responses for API failures using OpenAI.

const { OpenAI } = require("openai");

const generateRoast = async (apiKey, type = "general", language = "english") => {
  if (!apiKey) {
    throw new Error("OpenAI API key is required.");
  }

  const openai = new OpenAI({ apiKey });

  const prompt = `Generate a short, witty roast in the style of sarcastic humor. It should be clever, slightly insulting but still funny from this request failure context of ${type} using language ${language}. Avoid anything too harsh or offensive. Make it under 15 word`;

  try {
    const response = await openai.chat.completions.create({
      model: "gpt-3.5-turbo-0125",
      messages: [{ role: "system", content: prompt }],
      max_tokens: 60,
      temperature: 0.8,
    });

    return response.choices[0]?.message?.content || "API failed, and so did your luck.";
  } catch (error) {
    console.error("OpenAI Error:", error);
    return "Even the AI couldn't handle this request. That's how bad it is.";
  }
};

// Middleware factory function
const roastMiddleware = (apiKey, language = "english") => {
  if (!apiKey) {
    throw new Error("OpenAI API key must be provided when initializing roastMiddleware.");
  }

  return async (req, res, next) => {
    res.sendRoast = async (type = "general") => {
      const roastMessage = await generateRoast(apiKey, type, language);
      res.status(400).json({ message: roastMessage });
    };
    next();
  };
};

module.exports = { roastMiddleware, generateRoast };