function starEnigma(input = []) {
  let messagesCount = Number(input.shift());
  const keyPattern = /[star]/gi;
  let messagePattern = /@(?<planetName>[A-Za-z]+)[^@\-!:>]*:(?<population>\d+)[^@\-!:>]*!(?<attackType>[AD])![^@\-!:>]*->(?<soldierCount>\d+)/g;

  let planets = { A: [], D: [] };

  for (let i = 0; i < messagesCount; i++) {
    let encryptedMessage = input.shift();
    let key = encryptedMessage.match(keyPattern).length;
    let decryptedMessage = encryptedMessage
      .split("")
      .map(char => String.fromCharCode(char.charCodeAt(0) - key))
      .join("");

      let info = null;
      while ((info = messagePattern.exec(decryptedMessage)) !== null) {
        let planetName = info.groups["planetName"];
        let attackType = info.groups["attackType"];
        planets[attackType].push(planetName);
      }
  }

  console.log(`Attacked planets: ${planets.A.length}`);
  planets.A.sort((a, b) => a.localeCompare(b)).forEach(planet =>
    console.log(`-> ${planet}`)
  );
  console.log(`Destroyed planets: ${planets.D.length}`);
  planets.D.sort((a, b) => a.localeCompare(b)).forEach(planet =>
    console.log(`-> ${planet}`)
  );
}