app.get('/pilots', function(req, res) {
  let dataToSend = [];

  try {
    fetch(URL_TEST_MALFORMED)
      .then(response => {
        //console.log(response.body._outBuffer.length)
        if (response.body._outBuffer) {
          return response.text();
        } else {
          return data = null;
        }
      })
      .then(
        data => {
          //console.log(data)
          if (data !== null) {
            let splitted = data.split('\n');
            let startIndex = splitted.indexOf("!CLIENTS") + 1;
            let endIndex = splitted.indexOf("!AIRPORTS") + 2;
            //console.log(startIndex, endIndex)
            if (startIndex || startIndex == 0) {
              res.send("Something wrong, malformed file retrived")
              return
            } else {
              let clients = splitted.slice(startIndex, endIndex);
              clients.forEach(line => {
                let fields = line.split(":");
                let temp = {}
                temp.callsign = fields[0];
                temp.vid = fields[1];
                temp.connectionTime = fields[37];
                temp.softwareName = fields[38];
                temp.softwareVersion = fields[39];
                temp.latitiude = fields[5];
                temp.longtitude = fields[6];
                temp.altitude = fields[7];
                temp.groundSpeed = fields[8];
                temp.heading = fields[45];
                temp.onGround = fields[46];
                temp.squawk = fields[17];
                temp.rating = fields[41];
                dataToSend.push(temp);
              })
              res.status(200).send({
                status: 'success',
                code: 200,
                response: {
                  message: 'fetch data ok',
                  data: dataToSend,
                },
              })
            }

          } else {
            res.send("Response ok, but data not found!")
          }
        })
  } catch (error) {
    console.log(error)
  }
});