"""API Token(给 Android 用,可独立撤销)。"""
from __future__ import annotations

from datetime import datetime

from sqlalchemy import DateTime, ForeignKey, String, func
from sqlalchemy.orm import Mapped, mapped_column

from app.database import Base


class ApiToken(Base):
    __tablename__ = "api_tokens"

    id: Mapped[int] = mapped_column(primary_key=True)
    user_id: Mapped[int] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    name: Mapped[str] = mapped_column(String(64), nullable=False)  # "Xiaomi-14"
    token_hash: Mapped[str] = mapped_column(String(128), unique=True, nullable=False, index=True)
    # 只存 hash,原始 token 一次性返回给用户
    last_used_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    expires_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    revoked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )