from datetime import datetime
from uuid import uuid4

from sqlalchemy import DateTime, String
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.core.database import Base


class User(Base):
    __tablename__ = "users"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    openid: Mapped[str] = mapped_column(String(128), unique=True, index=True)
    phone_number: Mapped[str | None] = mapped_column(String(32), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)

    reports = relationship("PalmReport", back_populates="user")