TestTask JS

tt.js

function solution() {
    const validationSelect = $("input:radio:checked").val();

    switch (validationSelect) {
      case "person":
        return validatePerson();
        break;
      case "company":
        return validateCompany();
        break;
      default:
        return false
    };
};

function validatePerson() {
  return validatePresenceOf("#first_name") &&
    validatePresenceOf("#last_name") &&
    validateEmail("#email")
};

function validateCompany() {
  return validateCompanyName() &&
    validatePhone("#phone")
};

function validatePresenceOf(fieldSelector) {
  const fieldValue = $(fieldSelector).val();

  return (fieldValue == null || fieldValue == "")
};

function validateCompanyName() {
  const fieldValue = $("#company_name").val();

  return (fieldValue == null )
};

function validateEmail(emailSelector) {
  const emailValue = $(emailSelector).val();
  const emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;

  return !!emailReg.test( emailValue );
};

function validatePhone(phoneSelector) {
  const phoneValue = $(phoneSelector).val();
  const phoneReg = /^(\d{3}\.\d{3}\.\d{3})$/;

  return !!phoneReg.test( phoneValue );
};