let isPaused = false;
let pauseResolve = null;

function togglePause() {
  if (isPaused) {
    isPaused = false;
    if (pauseResolve) {
      pauseResolve();
      pauseResolve = null;
    }
    console.log('\n  ▶️  已恢复下载');
  } else {
    isPaused = true;
    console.log('\n  ⏸  已暂停 (再按 p 恢复)');
  }
}

async function waitIfPaused() {
  if (!isPaused) return;
  await new Promise(resolve => { pauseResolve = resolve; });
}

module.exports = { togglePause, waitIfPaused };