/**
 * Lara Kiesewetter – Live Schachturnier
 * Event listeners and initialization
 */

/* global $, Chess, Chessboard */

document.getElementById('refresh-btn').addEventListener('click', () => {
    pollId++;
    startAutoRefresh();
});

document.querySelectorAll('.copy-pgn-btn').forEach(btn => {
    btn.addEventListener('click', async () => {
        const panel = btn.closest('[class*="pgn-panel"]');
        const text = panel.querySelector('.pgn-text').textContent;
        if (!text) return;
        try {
            await navigator.clipboard.writeText(text);
            btn.textContent = '✅';
            setTimeout(() => { btn.textContent = '📋'; }, 1500);
        } catch {
            const ta = document.createElement('textarea');
            ta.value = text;
            document.body.appendChild(ta);
            ta.select();
            document.execCommand('copy');
            document.body.removeChild(ta);
        }
    });
});

document.addEventListener('keydown', (e) => {
    if (!currentGame) return;

    if (e.key === 'ArrowLeft') {
        e.preventDefault();
        goToMove(currentMoveIndex - 1);
    } else if (e.key === 'ArrowRight') {
        e.preventDefault();
        goToMove(currentMoveIndex + 1);
    }
});

window.addEventListener('resize', () => {
    if (board) board.resize();
});

if (window.ResizeObserver) {
    const ro = new ResizeObserver(() => {
        if (board) board.resize();
    });
    ro.observe(document.getElementById('board'));
}

document.addEventListener('visibilitychange', () => {
    if (document.hidden) {
        clearInterval(pollInterval);
        clearInterval(updateTimer);
    } else {
        startAutoRefresh();
    }
});

loadPGN();
startAutoRefresh();

chess = new Chess();
updateEvaluation();