(function () {
    "use strict";

    window.PX360 = window.PX360 || {};

    // Series value formatter: shows the raw count on each slice.
    var countFormatter = function (val, opts) {
        return opts.w.globals.series[opts.seriesIndex];
    };

    // Grand total formatter for the donut center.
    var totalFormatter = function (w) {
        return w.globals.seriesTotals.reduce(function (a, b) { return a + b; }, 0);
    };

    // Spread into donut chart configs: slice counts + center total.
    PX360.donutValueLabels = function () {
        return {
            dataLabels: { enabled: true, formatter: countFormatter },
            plotOptions: {
                pie: {
                    donut: {
                        labels: {
                            show: true,
                            total: { show: true, label: "Total", formatter: totalFormatter }
                        }
                    }
                }
            }
        };
    };

    // Spread into pie chart configs: slice counts only (no center).
    PX360.pieValueLabels = function () {
        return {
            dataLabels: { enabled: true, formatter: countFormatter }
        };
    };
})();