# example from root.cz
# https://www.root.cz/clanky/validace-dat-v-pythonu-s-vyuzitim-knihovny-pydantic/
from models.address import Address
from models.character import CharacterModel, CharacterModelOptionalAddress
from models.user import User, UserNone, UserUnion, UserPositiveInt, UserFieldValidator, UserMaxLength


def main():

    # Basic validation
    print("Hello from pydantic-demo!")
    print(f"{User(name='John', surname='Doe', age=42, registered=True)=}")
    print(f"{User(name='Adam', surname='Kameník', age=52, registered=True)=}")
    print(f"{UserNone(name='Tomáš', surname='Macek', age=None)=}") # preferred variant
    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": "Marek",
         "surname": "Kdolský",
         "age": 50
        }
    """
    user1 = UserMaxLength.model_validate_json(data)
    print(f"{user1=}")
    print(f"{user1.model_dump_json()=}")
    print(user1.model_dump_json(indent=4))

    # Nested structure and JSON
    character = CharacterModel(
        role='Director',
        user=User(name='John', surname='Doe', age=42, registered=True),
        address=Address(street='Dlouhá', house_number=77, city='Prague'),
    )
    print(f"{character=}")
    print(character.model_dump_json(indent=4))


    character1 = CharacterModelOptionalAddress(
        role='Director',
        user=UserFieldValidator(name='John', surname='Doe', age=19, registered=True),
        # address=Address(street='Dlouhá', house_number=77, city='Prague'),
        )
    print(f"Optional address {character1=}")
    print(character1.model_dump_json(indent=4))

if __name__ == "__main__":
    main()