mkdir rahyana-node-quickstart && cd $_
npm init -y
npm install dotenv

RAHYANA_API_KEY=YOUR_API_KEY_HERE

// index.js
require("dotenv").config();

const RAHYANA_API_KEY = process.env.RAHYANA_API_KEY;
const BASE_URL = "https://rahyana.ir/api/v1";

async function callRahyana(userMessage) {
  try {
    const response = await fetch(`${BASE_URL}/chat/completions`, {
      method: "POST",
      headers: {
        Authorization: `Bearer ${RAHYANA_API_KEY}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({
        model: "gpt-4o-mini",
        messages: [
          { role: "system", content: "شما یک دستیار مفید و دوستانه هستید." },
          { role: "user", content: userMessage },
        ],
        stream: false,
      }),
    });

    if (!response.ok) {
      const errorData = await response.json().catch(() => ({}));
      throw new Error(`API error: ${response.status} - ${errorData.message || "Unknown"}`);
    }

    const data = await response.json();
    return data.choices?.[0]?.message?.content ?? "";
  } catch (error) {
    console.error("Error calling Rahyana API:", error.message);
    throw error;
  }
}

async function main() {
  const prompt = "یک شعر کوتاه در مورد بهار بنویس.";
  try {
    const aiResponse = await callRahyana(prompt);
    console.log("AI Response:", aiResponse);
  } catch {
    console.error("Failed to get AI response.");
  }
}

main();