01. The Imitation Game js exam

function solve(args) {
  let encryptedMessage = args.shift();

  let inputLine = args.shift();

  while (inputLine !== 'Decode') {
    const [command, arg1, arg2] = inputLine.split('|');

    switch (command) {
      case 'Move':
        const numLet = Number(arg1);
        const takeStr = encryptedMessage.slice(0, numLet);

        encryptedMessage = encryptedMessage.slice(numLet) + takeStr;

        break;
      case 'Insert':
        const index = Number(arg1);

        encryptedMessage = encryptedMessage.substr(0, index) + arg2 + encryptedMessage.substr(index);


        break;
      case 'ChangeAll':

        while (encryptedMessage.includes(arg1)) {
          encryptedMessage = encryptedMessage.replace(arg1, arg2);
        }

        break;

      default:
        break;
    }


    inputLine = args.shift();
  }

  console.log(`The decrypted message is: ${encryptedMessage}`);
}