from sqlalchemy import Column, String, Enum
from sqlalchemy.orm import relationship
import enum
from app.db.base import BaseModel


class UserRole(str, enum.Enum):
    CHILD = "CHILD"
    PARENT = "PARENT"
    EDUCATOR = "EDUCATOR"


class User(BaseModel):
    __tablename__ = "users"
    
    email = Column(String(255), unique=True, nullable=False, index=True)
    hashed_password = Column(String(255), nullable=False)
    role = Column(Enum(UserRole), nullable=False, default=UserRole.CHILD)
    full_name = Column(String(255), nullable=True)
    
    # Relationships
    schedules = relationship("Schedule", back_populates="user", cascade="all, delete-orphan")
    rewards = relationship("Reward", back_populates="user", cascade="all, delete-orphan")
    conversations = relationship("AIConversation", back_populates="user", cascade="all, delete-orphan")