if (window.tizen && window.tizen.tvinputdevice) {
    try {
        ['MediaPlay', 'MediaPause', 'MediaPlayPause', 'MediaStop', 'MediaFastForward', 'MediaRewind', '10009']
            .forEach(k => tizen.tvinputdevice.registerKey(k));
    } catch (_) { }
}

const KM = {
    37: 'l', 21: 'l',
    38: 'u', 19: 'u',
    39: 'r', 22: 'r',
    40: 'd', 20: 'd',
    13: 'e', 23: 'e', 66: 'e',
    27: 'b', 8: 'b', 4: 'b', 10009: 'b', 461: 'b'
};

document.addEventListener('keydown', e => {
    fast = e.repeat;
    document.body.classList.add('kbm');

    if (e.keyCode === 85 || e.keyCode === 179 || e.keyCode === 10252 || e.keyCode === 415) {
        e.preventDefault();
        tgl();
        return;
    }
    if (e.keyCode === 126 || e.keyCode === 250) {
        e.preventDefault();
        vd.play();
        return;
    }
    if (e.keyCode === 127 || e.keyCode === 413) {
        e.preventDefault();
        vd.pause();
        return;
    }
    if (e.keyCode === 89 || e.keyCode === 227 || e.keyCode === 412) {
        e.preventDefault();
        vd.currentTime = Math.max(0, vd.currentTime - 10);
        return;
    }
    if (e.keyCode === 90 || e.keyCode === 228 || e.keyCode === 417) {
        e.preventDefault();
        vd.currentTime = Math.min(vd.duration || Infinity, vd.currentTime + 10);
        return;
    }

    if (pl.classList.contains('show')) {
        showCtl();
        if (e.key === ' ' || e.keyCode === 32) { e.preventDefault(); tgl(); return }
        if (cur === $('#pseek') && (e.keyCode === 37 || e.keyCode === 39 || e.keyCode === 21 || e.keyCode === 22)) {
            e.preventDefault();
            vd.currentTime += (e.keyCode === 39 || e.keyCode === 22) ? 10 : -10;
            return;
        }
        if (cur && cur.id === 'vsl' && (e.keyCode === 37 || e.keyCode === 39 || e.keyCode === 21 || e.keyCode === 22)) {
            e.preventDefault();
            vd.muted = false;
            vd.volume = Math.min(1, Math.max(0, vd.volume + ((e.keyCode === 39 || e.keyCode === 22) ? .1 : -.1)));
            cur._v();
            return;
        }
    }

    if (sr.classList.contains('show') && !ov.classList.contains('show') && !pl.classList.contains('show')) {
        if (e.key.length === 1 && !e.ctrlKey && !e.metaKey && !e.altKey) { e.preventDefault(); setQ(sqv + e.key); return }
        if (e.keyCode === 8) { e.preventDefault(); setQ(sqv.slice(0, -1)); return }
    }

    const k = KM[e.keyCode];
    if (!k) return;
    e.preventDefault();

    if (!cur) {
        const fallback = document.querySelector('.f');
        if (fallback) setFocus(fallback);
        return;
    }

    if (k === 'e') act(cur);
    else if (k === 'b') {
        if (pl.classList.contains('show')) {
            pmK ? closeMenu(1) : pl.classList.contains('eps') ? closeEps(1) : closePlayer();
        } else if (ov.classList.contains('show')) {
            closeDD() || closeDetail();
        } else if (lib.classList.contains('show')) {
            closeLib();
        } else if (sr.classList.contains('show')) {
            closeSearch();
        }
    } else {
        nav(k);
    }
});

let mx = -1, my = -1;
document.addEventListener('mousemove', e => {
    if (Math.abs(e.clientX - mx) + Math.abs(e.clientY - my) < 4) return;
    mx = e.clientX; my = e.clientY; document.body.classList.remove('kbm');
    if (pl.classList.contains('show')) { showCtl(); const g = e.target.closest('.f'); if (g && g !== cur && pl.contains(g)) setFocus(g); return }
    const f = e.target.closest('.f');
    if (f && f !== cur && (!ov.classList.contains('show') || ov.contains(f))) setFocus(f)
});
document.addEventListener('click', e => {
    const f = e.target.closest('.f'); if (f) act(f)
});
ov.addEventListener('wheel', () => { }, { passive: true });

window.vylaBack = () => {
    const open = [pl, ov, lib, sr].some(e => e.classList.contains('show'));
    if (open) document.dispatchEvent(new KeyboardEvent('keydown', { keyCode: 4, key: 'GoBack', bubbles: true, cancelable: true }));
    return open;
};