Meteor.methods({

  runTimer: function() {

    var running = false;
    var seconds = 20000; // (1 sec = 1000)
    var then; // Timer start time

    // ------------------------------------
    // Evaluate and route
    // ------------------------------------

    function router() {
      if (!running) {
        run();
      }
    };

    // ------------------------------------
    // Run the timer
    // ------------------------------------

    function run() {
      running = true;
      then = Date.now() + seconds;
      var interval = setInterval(function(){
        var time = parseTime(then-Date.now());
        if (time[0] > 0) {
          console.log(time[0] + '.' + time[1]);
        } else {
          console.log('0.00');
          running = false;
          clearInterval(interval);
          router();
        }
      }, 51);
    };

    // ------------------------------------
    // Parse time in MS for output
    // ------------------------------------

    function parseTime(elapsed) {
      // Array of time multiples [sec, decimal]
      var d = [1000,10];
      var time = [];
      var i = 0;
        while (i < d.length) {
          var t = Math.floor(elapsed/d[i]);
          // Remove parsed time for next iteration
          elapsed -= t*d[i];
          t = (i > 0 && t < 10) ? '0' + t : t;
          time.push(t);
          i++;
        }
      return time;
    };

    router();

  }
});