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

class Project(Base):
    __tablename__ = "projects"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    description = Column(String, nullable=True)
    owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())

    owner = relationship("User", back_populates="projects")
    data_sources = relationship("DataSource", back_populates="project", cascade="all, delete-orphan")
    subagents = relationship("Subagent", back_populates="project", cascade="all, delete-orphan")