from sqlalchemy import Column, Integer, String, ForeignKey
from sqlalchemy.orm import relationship

from app.domain.models import Base


class StepTask(Base):
    __tablename__ = 'step_tasks'

    id = Column(Integer, primary_key=True, autoincrement=True)
    text = Column(String, nullable=False)

    step_id = Column(Integer, ForeignKey('steps.id'), nullable=False)
    type_id = Column(Integer, ForeignKey('task_types.id'), nullable=False)

    step = relationship('Step', back_populates='tasks')
    type = relationship('TaskType', back_populates='tasks')

    files = relationship('TaskFile', back_populates='task')
    answer_options = relationship('AnswerOption', back_populates='task')
    answers = relationship('TaskAnswer', back_populates='task')