# example from root.cz
# https://www.root.cz/clanky/validace-dat-v-pythonu-s-vyuzitim-knihovny-pydantic/

from models.User import User, UserNone, UserUnion, UserPositiveInt, UserFieldValidator, UserMaxLength


def main():
    print("Hello from pydantic-demo!")
    print(f"{User(name="John", surname="Doe", age=42, registered=True)=}")
    print(f"{User(name="Adam", surname="Bernau", age=52, registered=True)=}")
    print(f"{UserNone(name="Adam", surname="Bernau", age=None)=}")
    print(f"{UserUnion(name="Adam", surname="Bernau", age=None)=}")
    print(f"{UserUnion(name="Adam", surname="Bernau")=}")
    print(f"{UserPositiveInt(name="Adam", surname="Bernau")=}")
    #print(f"{UserPositiveInt(name="Adam", surname="Bernau", age=-50)=}")
    print(f"{UserFieldValidator(name="Adam", surname="Bernau", age=18)=}")
    print(f"{UserMaxLength(name="Adam", surname="Bernau", age=18)=}")
    #print(f"{UserMaxLength(name="Adam", surname="Bernaukjghsmtlmgchs", age=18)=}")

    # JSON
    data = """
        {"name": "John",
         "surname": "Doe",
         "age": 18
        }
    """
    print(f"{UserMaxLength.model_validate_json(data)=}")

if __name__ == "__main__":
    main()