/**
 * Kanbante — Wallboard: slide rotation, clock, live refresh.
 *
 * The wall is a display, not a workspace: no interaction to protect,
 * so a realtime event simply reloads the page (plus a slow safety
 * reload in case the stream drops silently).
 */
(function () {
    var slides = Array.from(document.querySelectorAll('.wall-slide'));
    var ROTATE_MS = 30000;
    var current = 0;

    if (slides.length > 1) {
        setInterval(function () {
            slides[current].classList.remove('active');
            current = (current + 1) % slides.length;
            slides[current].classList.add('active');
        }, ROTATE_MS);
    }

    function tickClock() {
        var now = new Date();
        var time = now.toLocaleTimeString('fr-CA', { hour: '2-digit', minute: '2-digit' });
        var date = now.toLocaleDateString('fr-CA', {
            weekday: 'long', day: 'numeric', month: 'long',
        });
        document.querySelectorAll('[data-clock]').forEach(function (el) { el.textContent = time; });
        document.querySelectorAll('[data-date]').forEach(function (el) { el.textContent = date; });
    }
    tickClock();
    setInterval(tickClock, 15000);

    // Live: any board activity refreshes the wall.
    try {
        var source = new EventSource('/api/stream');
        source.onmessage = function () { location.reload(); };
    } catch (err) {
        console.warn('Wallboard live stream unavailable:', err);
    }
    // Safety net.
    setTimeout(function () { location.reload(); }, 5 * 60 * 1000);
})();