from sqlalchemy import Column, Integer, String, DateTime, ARRAY
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.models.base import Base


class GameSession(Base):
    __tablename__ = "game_sessions"

    id = Column(Integer, primary_key=True, index=True)
    room_code = Column(String(6), unique=True, nullable=False, index=True)
    status = Column(String(20), default="waiting")  # waiting, playing, finished
    team_a_score = Column(Integer, default=0)
    team_b_score = Column(Integer, default=0)
    current_team = Column(String(1))  # 'A' or 'B'
    questions_used = Column(ARRAY(Integer), default=[])
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    finished_at = Column(DateTime(timezone=True))

    # Relationships
    events = relationship("GameEvent", back_populates="session")

    def __repr__(self):
        return f"<GameSession(id={self.id}, room_code='{self.room_code}', status='{self.status}')>"