"""
System Model - ServiceManagerWeb
"""
from sqlalchemy import String, Text, Boolean
from sqlalchemy.orm import Mapped, mapped_column, relationship
from typing import List, Optional
import uuid

from app.core.database import Base

class System(Base):
    __tablename__ = "systems"
    
    name: Mapped[str] = mapped_column(String(100), nullable=False)
    description: Mapped[Optional[str]] = mapped_column(Text)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    
    # Relationships
    # If we want tickets to link to systems, we will add relationship in Ticket later or now.
    # We will assume Ticket links to System.
    tickets: Mapped[List["Ticket"]] = relationship(
        "Ticket",
        back_populates="affected_system",
        foreign_keys="Ticket.affected_system_id"
    )

    def __repr__(self) -> str:
        return f"<System(id={self.id}, name='{self.name}')>"