from sqlalchemy import Column, Integer, String, TIMESTAMP, ForeignKey
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import relationship

Base = declarative_base()

class Account(Base):
    __tablename__ = 'accounts'
    id = Column(Integer, primary_key=True)
    user_id = Column(String)
    password = Column(String)

    active_sessions = relationship("ActiveSession", back_populates="account")

class ActiveSession(Base):
    __tablename__ = 'active_sessions'
    id = Column(Integer, primary_key=True)
    session_id = Column(String)
    last_active = Column(TIMESTAMP)
    user_id = Column(Integer, ForeignKey('accounts.id'))
    account = relationship("Account", back_populates="active_sessions")

class ChannelId(Base):
    __tablename__ = 'channel_ids'
    id = Column(Integer, primary_key=True)
    channel_id = Column(String)

class QuizMaster(Base):
    __tablename__ = 'quiz_master'
    id = Column(Integer, primary_key=True, autoincrement=True)
    title = Column(String)
    full_audio_name = Column(String)
    intro_audio_name = Column(String)
    keyword1 = Column(String)
    keyword2 = Column(String)
    keyword3 = Column(String)