// utils/registerValidation.js

const validateEmail = (email) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email?.trim());

// يدعم الأرقام مع البادئات اختياريًا
const validatePhone = (phone) => /^(09|05)[0-9]{8}$/.test(phone?.trim());

export const validateStep1 = (formData, setErrors, t) => {
  const newErrors = {};

  if (!formData.firstName?.trim()) newErrors.firstName = t("register.firstNameRequired");
  if (!formData.lastName?.trim()) newErrors.lastName = t("register.lastNameRequired");

  if (!formData.email?.trim()) {
    newErrors.email = t("register.emailRequired");
  } else if (!validateEmail(formData.email)) {
    newErrors.email = t("register.emailInvalid");
  }

  if (!formData.phone?.trim()) {
    newErrors.phone = t("register.phoneRequired");
  } else if (!validatePhone(formData.phone)) {
    newErrors.phone = `${t("register.phoneInvalid")} (${t("register.phoneMustStartWith")} 09/05)`;
  }

  if (!formData.whatsapp?.trim()) {
    newErrors.whatsapp = t("register.whatsappRequired");
  } else if (!validatePhone(formData.whatsapp)) {
    newErrors.whatsapp = `${t("register.phoneInvalid")} (${t("register.phoneMustStartWith")} 09/05)`;
  }

  if (!formData.password) {
    newErrors.password = t("register.passwordRequired");
  } else if (formData.password.length < 6) {
    newErrors.password = t("validation.passwordMinLength");
  }

  if (formData.password !== formData.confirmPassword) {
    newErrors.confirmPassword = t("validation.passwordsMatch");
  }

  setErrors(newErrors);
  return Object.keys(newErrors).length === 0;
};

export const validateStep2 = (idImages, setErrors, t) => {
  const newErrors = {};

  if (!idImages?.front) newErrors.front = t("register.frontIdRequired");
  if (!idImages?.back) newErrors.back = t("register.backIdRequired");

  setErrors(newErrors);
  return Object.keys(newErrors).length === 0;
};