// Frontend trigger for market data refresh
async function fetchMarketData(ticker) {
  try {
    const response = await fetch(`/api/v1/assets/${ticker}/telemetry`, {
      method: "GET",
      headers: { "Content-Type": "application/json" }
    });
    
    const data = await response.json();
    if (response.ok) return data;
    throw new Error(data.message || "Fetch failed");
  } catch (error) {
    console.error("Telemetry Error:", error);
  }
}

// Node.js Express Route for Market Data
import express from "express";
import { getAssetTelemetry } from "./db.js";

const router = express.Router();

router.get("/api/v1/assets/:ticker/telemetry", async (req, res) => {
  const { ticker } = req.params;

  try {
    const data = await getAssetTelemetry(ticker);
    if (!data) {
      return res.status(404).json({ error: "Asset not found." });
    }

    return res.status(200).json({
      success: true,
      data: data,
      timestamp: new Date().toISOString()
    });

  } catch (error) {
    return res.status(500).json({
      success: false,
      error: "Internal telemetry error."
    });
  }
});

export default router;