function getFormData($form) {
    var unindexed_array = $form.serializeArray();
    var indexed_array = {};
    $.map(unindexed_array, function (n, i) {
        indexed_array[n['name']] = n['value'];
    });
    return indexed_array;
}

$(function () {
    $("form").on('submit', function () {
        $("#progressdiv").removeClass('d-none').show();
        $("button[type='submit']").prop('disabled', true);
        // var data = JSON.stringify( $(this).serializeArray() );
        $("#resultdiv").hide();
        var data = getFormData($(this));
        loadCalculation(data, function () {
            $("button[type='submit']").prop('disabled', false);
            $("#progressdiv").addClass('d-none').hide();
        });
        return false;
    });
});

function loadCalculation(req, alwaysFunc) {
    console.log("Loading calculation..");
    console.log(req);
    $.ajax({
        type: 'POST',
        url: 'https://bifuelcalculator.azurewebsites.net/api/Calculate',
        data: JSON.stringify(req),
        contentType: 'application/json',
        dataType: 'json'
    }).done(function (d) {
        console.log("Data returned:");
        console.log(d);
        $("#resultdiv").removeClass('d-none').show();

        $("#result_bf_vs_diesel").text(d.bf_vs_diesel);
        $("#result_bf_vs_grid").text(d.bf_vs_grid);
        $("#result_bf_costs").text(d.bf_costs);
        $("#result_diesel_costs").text(d.diesel_costs);
        $("#result_grid_costs").text(d.grid_costs);

        /*$.each(data, function(index, element) {
            $('body').append($('<div>', {
                text: element.name
            }));
        });*/
    }).fail(function (jqXHR, textStatus, err) {
        console.log("Error");
        alert("Error - check your input");
    }).always(function () {
        console.log("Calling always func");
        alwaysFunc();
    });
}