import abc

from plesna.models.storage import Schema


class DataCatalogue:
    def __init__(self):
        pass

    @property
    @abc.abstractmethod
    def schemas(self) -> list[str]:
        """List schema's names"""
        raise NotImplementedError

    @abc.abstractmethod
    def schema(self, name: str) -> Schema:
        """Get the schema properties"""
        raise NotImplementedError

    @abc.abstractmethod
    def tables(self, schema: str) -> list[str]:
        """List table's name in schema"""
        raise NotImplementedError