Bus Schedule

    function solve() {
        let nextId = 'depot';
        const btnDepart = $('#depart');
        const btnArrive = $('#arrive');
        let info = $('#info>span');
        let name;

        function startMoving(response) {
            name = response.name
            info.text(`Next stop ${name}`);
            nextId = response.next;
            btnDepart.attr('disabled', true);
            btnArrive.attr('disabled', false);

        }

        function depart() {

            $.ajax({
                method: 'GET',
                url: `https://judgetests.firebaseio.com/schedule/${nextId}.json`
            }).then(startMoving).catch();


        }

        function arrive() {
            info.text(`Arriving at ${name}`);
            btnDepart.attr('disabled', false);
            btnArrive.attr('disabled', true);
        }

        return {
            depart,
            arrive
        };
    }