from datetime import datetime

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

from app.database import Base


class MobileDevice(Base):
    __tablename__ = "mobile_devices"

    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("sac_users.id", ondelete="CASCADE"), index=True)
    device_uuid: Mapped[str] = mapped_column(String(64), unique=True, index=True)
    display_name: Mapped[str] = mapped_column(String(128), default="")
    platform: Mapped[str] = mapped_column(String(32), default="android")
    app_version: Mapped[str | None] = mapped_column(String(32), nullable=True)
    fcm_token: Mapped[str | None] = mapped_column(String(512), nullable=True)
    fcm_token_updated_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    enrollment_code_id: Mapped[int | None] = mapped_column(
        ForeignKey("mobile_enrollment_codes.id", ondelete="SET NULL"),
    )
    enrolled_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    last_seen_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    revoked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)