module.exports.addPointsToTrack = function addPointsToTrack(track, body) {
  var num = 0;
  var start = 0;
  var end = 0;
  //console.log("len"+body.length);
  while (end < body.length) {
    start = end;
    while (body[end] != ';' && body[end] != '$' && end < body.length) {
      end++;
    }
    if (body[end] == '$') {
      // $ is replacing \n as newlines are not allowed in json strings
      num = 0;
    }
    if (end < body.length) {
      var token = body.substr(start, end - start);
      end++;
      if (token.length > 0) {
        //console.log(token);
        //console.log("num:"+num);
        //console.log("end:"+end);

        if (num == 0 && token == 'Date') {
          // we have a header line, ignore it for now, TODO parse it
          if (end < body.length) {
            while (body[end] != ';' && body[end] != '$' && end < body.length) {
              end++;
            }
            start = end;
            num = 100;
          }
        }
        if (num == 0) {
          track.trackData.points.push({
            date: 'dummy',
            time: '',
            latitude: '',
            longitude: '',
            course: '',
            speed: '',
            d1: '',
            d2: '',
            flag: '',
            private: '',
          });
          track.trackData.points[track.trackData.points.length - 1].date = token;
          num++;
        } else if (num == 1) {
          track.trackData.points[track.trackData.points.length - 1].time = token;
          num++;
        } else if (num == 2) {
          var f = parseFloat(token);
          if (isNaN(f)) {
            f = parseFloat(token.substring(0, 10));
          }
          if (isNaN(f)) {
            f = 0.0;
          }
          track.trackData.points[track.trackData.points.length - 1].latitude = f;
          num++;
        } else if (num == 3) {
          var f = parseFloat(token);
          if (isNaN(f)) {
            f = parseFloat(token.substring(0, 10));
          }
          if (isNaN(f)) {
            f = 0.0;
          }
          track.trackData.points[track.trackData.points.length - 1].longitude = f;
          num++;
        } else if (num == 4) {
          var f = parseFloat(token);
          if (isNaN(f)) {
            f = parseFloat(token.substring(0, 10));
          }
          if (isNaN(f)) {
            f = 0.0;
          }
          track.trackData.points[track.trackData.points.length - 1].course = f;
          num++;
        } else if (num == 5) {
          var f = parseFloat(token);
          if (isNaN(f)) {
            f = parseFloat(token.substring(0, 10));
          }
          if (isNaN(f)) {
            f = 0.0;
          }
          track.trackData.points[track.trackData.points.length - 1].speed = f;
          num++;
        } else if (num == 6) {
          track.trackData.points[track.trackData.points.length - 1].d1 = token;
          num++;
        } else if (num == 7) {
          track.trackData.points[track.trackData.points.length - 1].d2 = token;
          num++;
        } else if (num == 8) {
          track.trackData.points[track.trackData.points.length - 1].flag = token;
          num++;
        } else if (num == 9) {
          track.trackData.points[track.trackData.points.length - 1].private = token;
          num++;
        }
      }
    }
  }
};