const { execSync } = require('child_process');

const POWER_SHELL = 'powershell -NoProfile -Command';

function getMousePos() {
  const cmd = `${POWER_SHELL} "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Cursor]::Position"`;
  const output = execSync(cmd, { windowsHide: true }).toString();
  const match = output.match(/(\d+)\s+(\d+)\s*$/m);
  if (!match) throw new Error('Failed to get mouse position: ' + output);
  return { x: parseInt(match[1], 10), y: parseInt(match[2], 10) };
}

function setMousePos(x, y) {
  const cmd = `${POWER_SHELL} "Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point(${x}, ${y})"`;
  execSync(cmd, { windowsHide: true });
}

const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

async function main() {
  console.log('已启动防息屏，每 15 秒移动鼠标 1 像素再移回原位。Ctrl+C 停止。\n');

  process.on('SIGINT', () => {
    console.log('\n已停止。');
    process.exit(0);
  });

  while (true) {
    const orig = getMousePos();
    setMousePos(orig.x + 1, orig.y);
    console.log(`→ 右移 1 像素  (${orig.x}, ${orig.y}) → (${orig.x + 1}, ${orig.y})`);
    await sleep(14000);
    setMousePos(orig.x, orig.y);
    console.log(`← 移回原位    (${orig.x + 1}, ${orig.y}) → (${orig.x}, ${orig.y})`);
    await sleep(1000);
  }
}

main().catch((err) => {
  console.error('出错:', err.message);
  process.exit(1);
});