'use strict';
/* eslint-disable no-console */
/* eslint-disable indent */

module.exports = skip => {
    let start = 0;
    let stop = 0;
    let up = 0;
    let total = 0;
    return {
        on: (time, cmd) => {
            if (time > skip) {
                if (start == 0) {
                    start = time;
                } else {
                    stop = time;
                }
            }
            if (cmd === 15) {
                up = time;
            } else
                if (cmd === 14) {
                    total += (time - up); up = time;
                }
        },
        time: () => stop - start,
        uptime: () => total
    };
};