from django.core.validators import RegexValidator
from django.utils.translation import gettext_lazy as _
from django.core.exceptions import ValidationError
import re


class SaudiPhoneNumberValidator(RegexValidator):
    def __init__(self, *args, **kwargs):
        super().__init__(
            regex=r"^(\+9665|05|9665)[0-9]{8}$",
            message=_("Enter a valid Saudi phone number (05XXXXXXXX or +9665XXXXXXXX)"),
        )

    def __call__(self, value):
        # Remove any whitespace, dashes, or other separators
        cleaned_value = re.sub(r"[\s\-\(\)\.]", "", str(value))
        super().__call__(cleaned_value)


def vat_rate_validator(value):
    if value < 0 or value > 1:
        raise ValidationError(
            _("%(value)s is not a valid VAT rate. It must be between 0 and 1."),
            params={"value": value},
        )