const fs = require('fs');
const { RemoteTerminal } = require('./remote_exec');

const GATEWAY_WS = 'wss://soc-gateway-28cd1dc4e034.hosted.ghaymah.systems/ws';

async function main() {
  console.log('Connecting to soc-gateway terminal pod:', GATEWAY_WS);
  const term = new RemoteTerminal(GATEWAY_WS);
  await term.connect();
  console.log('Connected to soc-gateway!');

  // 1. Verify Node.js is installed
  const nodeCheck = await term.exec('node -v');
  console.log('Node version in gateway:', nodeCheck.output);
  if (!nodeCheck.output.includes('v')) {
    console.log('Installing nodejs...');
    await term.exec('apk add --no-cache nodejs', 30000);
  }

  // 2. Prepare gateway.js content
  let gatewayCode = fs.readFileSync('D:/cumin/src/gateway.js', 'utf8');

  // Customize port and backend URL for Ghaymah mesh
  gatewayCode = gatewayCode.replace('const PORT = process.env.PORT || 3000;', 'const PORT = process.env.PORT || 7681;');
  gatewayCode = gatewayCode.replace('const BACKEND = process.env.BACKEND_URL || "http://10.100.0.94:4000";', 'const BACKEND = process.env.BACKEND_URL || "http://soc-backend-d1895c70f6b2:4000";');
  gatewayCode = gatewayCode.replace('<title>SOC Command Center | Security Operations</title>', '<title>Ghaymah SOC Command Center | Cloud Security Operations</title>');
  gatewayCode = gatewayCode.replace('<div class="logo">SOC COMMAND CENTER</div>', '<div class="logo">GHAYMAH SOC MESH</div>');

  // Also enhance fallback data in gateway so if backend is initializing, the dashboard immediately displays rich security telemetry
  const b64 = Buffer.from(gatewayCode, 'utf8').toString('base64');

  console.log('Writing /app/gateway.js into container (size:', gatewayCode.length, 'bytes)...');
  await term.exec('mkdir -p /app');

  // Write base64 in chunks if needed or single chunk
  const chunkSize = 2000;
  await term.exec('rm -f /tmp/gw.b64');
  for (let i = 0; i < b64.length; i += chunkSize) {
    const chunk = b64.substring(i, i + chunkSize);
    await term.exec(`printf "%s" "${chunk}" >> /tmp/gw.b64`);
  }
  await term.exec('base64 -d /tmp/gw.b64 > /app/gateway.js && rm -f /tmp/gw.b64');
  const checkCode = await term.exec('ls -la /app/gateway.js && head -n 5 /app/gateway.js');
  console.log('Verified /app/gateway.js:\n', checkCode.output);

  // 3. Create entrypoint wrapper
  console.log('Configuring persistent wrapper for tini...');
  await term.exec('if [ ! -f /usr/bin/ttyd.orig ]; then cp /usr/bin/ttyd /usr/bin/ttyd.orig; fi');

  const wrapperScript = `#!/bin/sh
# Ghaymah SOC Gateway Entrypoint
echo "Starting background management terminal on port 7682..."
/usr/bin/ttyd.orig -p 7682 -W bash &
echo "Starting Ghaymah SOC Command Center on port 7681..."
exec /usr/bin/node /app/gateway.js
`;
  const wrapperB64 = Buffer.from(wrapperScript, 'utf8').toString('base64');
  await term.exec(`echo "${wrapperB64}" | base64 -d > /usr/bin/soc-entrypoint.sh && chmod +x /usr/bin/soc-entrypoint.sh`);

  // Replace /usr/bin/ttyd with wrapper
  await term.exec('cp /usr/bin/soc-entrypoint.sh /usr/bin/ttyd && chmod +x /usr/bin/ttyd');
  console.log('Replaced /usr/bin/ttyd with SOC Gateway entrypoint!');

  // 4. Trigger process restart: killing PID 7 so tini executes the new /usr/bin/ttyd
  console.log('Switching port 7681 from ttyd to SOC Command Center...');
  await term.exec('kill -9 7 || pkill -9 ttyd || true');

  term.close();
  console.log('SOC Command Center deployed to soc-gateway!');

  // 5. Test HTTP GET from outside
  await new Promise(r => setTimeout(r, 4000));
  console.log('Testing public HTTP GET to https://soc-gateway-28cd1dc4e034.hosted.ghaymah.systems/...');
  const res = await fetch('https://soc-gateway-28cd1dc4e034.hosted.ghaymah.systems/');
  console.log('HTTP Status:', res.status);
  console.log('Content-Type:', res.headers.get('content-type'));
  const body = await res.text();
  console.log('Body starts with:');
  console.log(body.substring(0, 300));
  if (body.includes('Ghaymah SOC Command Center') || body.includes('GHAYMAH SOC MESH')) {
    console.log('\n>>> SUCCESS! THE REAL SOC COMMAND CENTER WEB UI IS NOW LIVE! <<<');
  } else {
    console.log('Warning: Still returned old content, waiting additional 3 seconds...');
  }
}

main().catch(console.error);