// /pages/api/talas_v5_DB/gisLines/updateGisLines.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;
  }
  console.log("Database connected successfully.");
});

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

  const { idModul, newCoordinates } = req.body;
  const newLineString = `LINESTRING(${newCoordinates.map((coord) => `${coord[0]} ${coord[1]}`).join(",")})`;

  const query =
    "UPDATE talas_v5.gis_lines SET points = ST_GeomFromText(?) WHERE idModul = ?;";
  connection.query(query, [newLineString, idModul], (error, results) => {
    if (error) {
      console.error("Fehler beim Aktualisieren der gis_lines:", error);
      return res
        .status(500)
        .json({ error: "Fehler beim Aktualisieren der gis_lines" });
    }
    res.status(200).json({ success: "Updated successfully." });
  });
}