/* EdgeVPNio
 * Copyright 2020, University of Florida
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

const { topologyModel } = require("../db/Model");
/**
 * Function to retrieve all topology information from the database, given intervalId and overlayId
 */
exports.findTopology = (req, res, dbInstance) => {
  const overlayId = req.query.overlayid;
  const intervalId = parseFloat(req.query.interval);
  var tableName = null;
  if (process.env.DB === "mongo") {
    tableName = topologyModel;
  } else if (process.env.DB === "influx") {
    tableName = "Topology";
  }
  dbInstance
    .getTopology(tableName, intervalId, overlayId)
    .then((data) => {
      //console.log("Topology data:", JSON.stringify(data));
      res.send(data);
    })
    .catch((err) => {
      res.status(500).send({
        message: err.message || "An error occurred while retrieving topology.",
      });
    });
};