from typing import Any, List
from uuid import UUID

from marshmallow import validate, ValidationError

from utils.exceptions import NotFound


class NotEmpty(validate.Validator):
    def __call__(self, value) -> Any:
        message = "This field must not be empty"
        if not value or len(value.strip()) == 0:
            raise ValidationError(message)
        return value


class UniqueValidator(validate.Validator):
    def __call__(self, value: List) -> Any:
        if len(value) > len(set(value)):
            raise ValidationError("Values should be unique")
        return value


def validate_UUID(value):
    try:
        UUID(value, version=4)
    except ValueError:
        raise NotFound(f"Value {value} should be UUID")