$(document).ready(function() {
  $('input:button').click(function() {
    if (isNumeric($("input:first").val()) == true) {

      /* Call MATLAB Production Server */
      var n = Number($("input:first").val());
      computeFibonacciMPS(n);

    } else {
      $('#answer').text("Input needs to be numeric!");
    }

  });
});

/* Function to compute Fibonacci series on MATLAB Production Server */
function computeFibonacciMPS(n) {
  /* Create a simple AJAX request to the MATLAB Production Server */
  $.ajax({
    url: 'http://ec2-34-206-1-112.compute-1.amazonaws.com:31415/example/fibonacci',
    type: "POST",
    data: JSON.stringify({
      "rhs": n,
      "nargout": 1
    }),
    contentType: 'application/json',
    success: function(data) {
      /* Parse the response when ready */
      $('#answer').text(data.lhs[0].mwdata[0]);
      $('#answer').effect("highlight", {
        color: "#FFFF00"
      }, 1000);
      //console.log(data);
    }
  });
}

/* Helper function to determine if input is numeric */
function isNumeric(n) {
  return !isNaN(parseFloat(n)) && isFinite(n);
}