09. Instance Validation

class CheckingAccount {
  constructor(clientId, email, firstName, lastName) {
    this.clientId = clientId;
    this.email = email;
    this.firstName = firstName;
    this.lastName = lastName;
  }

  set clientId(newClientId) {
    const clientPatern = /^\d{6}$/g;
    if (!clientPatern.test(newClientId)) {
      throw new TypeError('Client ID must be a 6-digit number');
    }
    this._clientId = newClientId;
  }

  get clientId() {
    return this.clientId;
  }

  set email(newEmail) {
    const emailPatern = /^[a-zA-Z0-9]+@[a-zA-Z.]+$/g;
    if (!emailPatern.test(newEmail)) {
      throw new TypeError('Invalid e-mail');
    }
    this._email = newEmail;
  }

  get email() {
    return this.email;
  }

  set firstName(newFirstName) {
    if (!(newFirstName.length >= 3 && newFirstName.length <= 20)) {
      throw new TypeError('First name must be between 3 and 20 characters long');
    }
    const pattern = /[a-zA-Z]/g;
    if (!pattern.test(newFirstName)) {
      throw new TypeError('First name must contain only Latin characters');
    }
    this._firstName = newFirstName;
  }

  get firstname() {
    return this._firstName;
  }

  set lastName(newLastName) {
    if (!(newLastName.length >= 3 && newLastName.length <= 20)) {
      throw new TypeError('Last name must be between 3 and 20 characters long');
    }
    const pattern = /[a-zA-Z]/g;
    if (!pattern.test(newLastName)) {
      throw new TypeError('Last name must contain only Latin characters');
    }
    this._lastName = newLastName;
  }

  get lastName() {
    return this._lastName;
  }
}