// ── Watch plugin — analog clock overlay ──

const $ = id => document.getElementById(id);

const LAYER_MAP = {
    digits: 'watch-layer-digits',
    hour: 'watch-layer-hour',
    minute: 'watch-layer-minute',
    second: 'watch-second-wobble',
};

let visible = false;
let tickTimer = null;
let idleTimer = null;
let lastActivity = Date.now();
let showedAt = 0;
let wobbleKick = null, wobbleRebound = null;
let svgCache = {};
let loaded = false;

const IDLE_MINUTES = 5;

// ── SVG loading ──

async function loadSvg(layer) {
    if (svgCache[layer]) return svgCache[layer];
    try {
        const res = await fetch(`plugins/watch/faces/simple/${layer}.svg`);
        if (!res.ok) return '';
        let svg = await res.text();
        svg = svg.replace(/<\?xml[\s\S]*?\?>/gi, '').replace(/<!DOCTYPE[\s\S]*?>/gi, '').trim();
        svgCache[layer] = svg;
        return svg;
    } catch { return ''; }
}

async function loadFace() {
    if (loaded) return;
    for (const [layer, elId] of Object.entries(LAYER_MAP)) {
        const el = $(elId);
        if (el) el.innerHTML = await loadSvg(layer);
    }
    loaded = true;
}

// ── Clock logic ──

function tick() {
    const now = new Date();
    const h12 = now.getHours() % 12;
    const m = now.getMinutes();
    const s = now.getSeconds();

    const hourEl = $('watch-layer-hour');
    const minEl = $('watch-layer-minute');
    const secEl = $('watch-layer-second');

    if (hourEl) hourEl.style.transform = `rotate(${(((h12 + m / 60) / 12) * 360).toFixed(3)}deg)`;
    if (minEl) minEl.style.transform = `rotate(${(((m + s / 60) / 60) * 360).toFixed(3)}deg)`;
    if (secEl) secEl.style.transform = `rotate(${((s / 60) * 360).toFixed(3)}deg)`;

    triggerWobble();
}

function triggerWobble() {
    const wobEl = $('watch-second-wobble');
    if (!wobEl) return;
    clearTimeout(wobbleKick);
    clearTimeout(wobbleRebound);
    wobEl.style.transform = 'rotate(0deg)';
    requestAnimationFrame(() => {
        wobEl.style.transform = 'rotate(0.78deg)';
        wobbleKick = setTimeout(() => { wobEl.style.transform = 'rotate(-0.25deg)'; }, 95);
        wobbleRebound = setTimeout(() => { wobEl.style.transform = 'rotate(0deg)'; }, 205);
    });
}

function startTick() {
    if (tickTimer) return;
    tick();
    tickTimer = setInterval(tick, 1000);
}

function stopTick() {
    if (tickTimer) { clearInterval(tickTimer); tickTimer = null; }
    clearTimeout(wobbleKick);
    clearTimeout(wobbleRebound);
}

// ── Show / hide ──

async function show() {
    if (visible) return;
    visible = true;
    const overlay = $('watch-overlay');
    if (!overlay) return;
    showedAt = Date.now();
    await loadFace();
    overlay.classList.remove('hidden');
    startTick();
    requestAnimationFrame(() => overlay.classList.add('visible'));
}

function hide() {
    if (!visible) return;
    visible = false;
    const overlay = $('watch-overlay');
    if (!overlay) return;
    overlay.classList.remove('visible');
    stopTick();
    setTimeout(() => { if (!visible) overlay.classList.add('hidden'); }, 250);
}

function toggle() { visible ? hide() : show(); }

// ── Idle auto-show ──

function resetIdleTimer() {
    clearTimeout(idleTimer);
    if (!IDLE_MINUTES) return;
    idleTimer = setTimeout(() => {
        if (visible) return;
        if (document.visibilityState !== 'visible') return;
        if (document.querySelector('.overlay.open')) return;
        show();
    }, IDLE_MINUTES * 60000);
}

function onActivity() {
    const now = Date.now();
    if (now - lastActivity < 300) return;
    lastActivity = now;
    if (visible && now - showedAt > 500) hide();
    resetIdleTimer();
}

// ── Init ──

function init() {
    const overlay = $('watch-overlay');
    if (!overlay) return;

    overlay.addEventListener('click', () => { hide(); onActivity(); });

    window.addEventListener('keydown', e => {
        if (e.key === 'Escape' && visible) {
            e.preventDefault(); e.stopPropagation(); e.stopImmediatePropagation();
            hide(); onActivity();
        }
    }, { capture: true });

    for (const ev of ['pointermove', 'pointerdown', 'keydown', 'wheel', 'touchstart']) {
        window.addEventListener(ev, onActivity, { passive: true });
    }
    document.addEventListener('visibilitychange', () => {
        if (document.visibilityState === 'visible') onActivity();
    });

    resetIdleTimer();
    window.hyprcrd?.registerPlugin({ name: 'watch', version: '1.0.0' });
}

window._watchToggle = toggle;

if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
} else {
    init();
}