from sqlalchemy import ForeignKey, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column

from app.models.base import Base


class SessionBlockAgenda(Base):
    __tablename__ = "session_block_agendas"
    __table_args__ = (UniqueConstraint("session_id", "block_id"),)

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    session_id: Mapped[int] = mapped_column(
        ForeignKey("daily_sessions.id", ondelete="CASCADE"), nullable=False
    )
    block_id: Mapped[int] = mapped_column(
        ForeignKey("schedule_blocks.id", ondelete="CASCADE"), nullable=False
    )
    text: Mapped[str] = mapped_column(Text, nullable=False)