from sqlalchemy import Column, Integer, String, JSON, DateTime, ForeignKey, func
from sqlalchemy.orm import relationship
from app.database import Base

class DataSource(Base):
    __tablename__ = "data_sources"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    type = Column(String, nullable=False)
    config = Column(JSON, nullable=False)
    project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())

    project = relationship("Project", back_populates="data_sources")