"""Project model"""
from sqlalchemy import Column, String, Text, Integer, ForeignKey, Index
from sqlalchemy.orm import relationship
from app.models.base import BaseModel


class Project(BaseModel):
    """Project containing devices and configurations"""
    __tablename__ = "projects"
    __table_args__ = (
        Index("ix_projects_owner_id", "owner_id"),
    )
    
    name = Column(String(255), nullable=False)
    description = Column(Text, nullable=True)
    owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    
    # Relationships
    owner = relationship("User")
    devices = relationship("Device", back_populates="project", cascade="all, delete-orphan")
    configurations = relationship("Configuration", back_populates="project", cascade="all, delete-orphan")
    
    def __repr__(self):
        return f"<Project {self.name}>"