from sqlalchemy import Column, Integer, String, DateTime, Enum
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
import enum

from app.db.base import Base


class ProjectStatus(str, enum.Enum):
    ACTIVE = "active"
    ARCHIVED = "archived"


class Project(Base):
    __tablename__ = "projects"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(200), nullable=False)
    description = Column(String(500), nullable=True)
    status = Column(Enum(ProjectStatus), default=ProjectStatus.ACTIVE)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())

    # Relationship to todos
    todos = relationship("Todo", back_populates="project")