from __future__ import annotations

from datetime import datetime

from sqlalchemy import DateTime, Integer, LargeBinary, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column

from ..core.db import Base


class Firmware(Base):
    __tablename__ = "firmwares"

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    version: Mapped[str | None] = mapped_column(String(64))
    architecture: Mapped[str | None] = mapped_column(String(32))
    channel: Mapped[str | None] = mapped_column(String(32))  # stable/long-term/testing
    size: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    sha256: Mapped[str | None] = mapped_column(String(64))
    source_url: Mapped[str | None] = mapped_column(Text)
    content: Mapped[bytes] = mapped_column(LargeBinary, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )