import uuid
from datetime import datetime
from sqlalchemy import Column, String, DateTime, JSON
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from app.database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True)
    email = Column(String, unique=True, index=True, nullable=False)
    password_hash = Column(String, nullable=False)
    name = Column(String, nullable=False)
    roles = Column(JSON, default=list, nullable=False, server_default="[]")
    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)

    meetings = relationship("Meeting", back_populates="user", cascade="all, delete-orphan")