// API in /api/talas_v5_DB/locationDevice/locationDeviceNameById.js
import mysql from "mysql";

const dbConfig = {
  host: process.env.DB_HOST,
  user: process.env.DB_USER,
  password: process.env.DB_PASSWORD,
  database: process.env.DB_NAME,
  port: process.env.DB_PORT,
};

const connection = mysql.createConnection(dbConfig);
connection.connect((err) => {
  if (err) {
    console.error("Fehler beim Verbinden:", err.stack);
    return;
  }
});

export default async function handler(req, res) {
  if (req.method !== "GET") {
    return res.status(405).json({ error: "Nur GET Methode erlaubt" });
  }
  const { idLD } = req.query;

  try {
    const query = "SELECT name FROM location_device WHERE idLD = ?";
    const [results] = await new Promise((resolve, reject) => {
      connection.query(query, [idLD], (error, results) => {
        if (error) {
          return reject(error);
        }
        resolve(results);
      });
    });

    if (results.length > 0) {
      res.json({ name: results[0].name });
    } else {
      res.status(404).json({ error: "Gerät nicht gefunden", idLD, results });
    }
  } catch (error) {
    console.error("Fehler beim Abrufen des Gerätenamens in locationDeviceNameById.js :", error);
    res.status(500).json({ error: "Fehler beim Abrufen des Gerätenamens" });
  }
}