from datetime import datetime

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

from app.database import Base


class RestoreHistory(Base):
    """恢复执行历史。"""

    __tablename__ = "restore_history"

    id: Mapped[int] = mapped_column(Integer, primary_key=True)
    run_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("runs.id", ondelete="CASCADE"), nullable=False, index=True
    )
    target: Mapped[str] = mapped_column(String(512), nullable=False)
    status: Mapped[str] = mapped_column(String(16), nullable=False, default="pending")
    started_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    finished_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), nullable=False
    )