from datetime import datetime, timezone

from sqlalchemy import Column, DateTime, String, UUID, ForeignKey, JSON
from cognee.infrastructure.databases.relational import Base


class DatasetDatabase(Base):
    __tablename__ = "dataset_database"

    owner_id = Column(UUID, ForeignKey("principals.id", ondelete="CASCADE"), index=True)
    dataset_id = Column(
        UUID, ForeignKey("datasets.id", ondelete="CASCADE"), primary_key=True, index=True
    )

    vector_database_name = Column(String, unique=False, nullable=False)
    graph_database_name = Column(String, unique=False, nullable=False)

    vector_database_provider = Column(String, unique=False, nullable=False)
    graph_database_provider = Column(String, unique=False, nullable=False)

    vector_database_url = Column(String, unique=False, nullable=True)
    graph_database_url = Column(String, unique=False, nullable=True)

    vector_database_key = Column(String, unique=False, nullable=True)
    graph_database_key = Column(String, unique=False, nullable=True)

    # TODO: Instead of specifying and forwawrding all these individual fields, consider using a JSON field to store
    # configuration details for different database types. This would make it more flexible to add new database types
    # without changing the database schema.
    graph_database_connection_info = Column(JSON, unique=False, nullable=False, default={})
    vector_database_connection_info = Column(JSON, unique=False, nullable=False, default={})

    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
    updated_at = Column(DateTime(timezone=True), onupdate=lambda: datetime.now(timezone.utc))