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

class SpecialMass(Base):
    __tablename__ = "special_masses"
    id = Column(Integer, primary_key=True, index=True)
    event_id = Column(Integer, ForeignKey("special_events.id"), nullable=False)
    name = Column(String, nullable=False)
    date = Column(Date, nullable=False)
    time = Column(String(5), nullable=False)
    mass_type = Column(String, nullable=False, default='generate')  # 'generate' | 'subscribe'
    max_subscribers = Column(Integer, nullable=True)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    event = relationship("SpecialEvent", back_populates="masses")
    positions = relationship("SpecialPosition", back_populates="special_mass",
                           order_by="SpecialPosition.sort_order",
                           cascade="all, delete-orphan")
    schedules = relationship("MassSchedule", back_populates="special_mass")
    subscriptions = relationship("SpecialSubscription", back_populates="special_mass",
                                 cascade="all, delete-orphan")