"""ORM models for admin analytics snapshots."""

from __future__ import annotations

from datetime import UTC, datetime

from sqlalchemy import Index, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from deerflow.persistence.base import Base
from deerflow.persistence.types import BeijingDateTime, PortableJSON


class AdminLeaderboardDailyStatRow(Base):
    """One precomputed leaderboard snapshot for a single local calendar day."""

    __tablename__ = "admin_leaderboard_daily_stats"
    __table_args__ = (
        Index("ix_admin_leaderboard_daily_stats_status", "status"),
        Index("ix_admin_leaderboard_daily_stats_updated_at", "updated_at"),
    )

    stat_date: Mapped[str] = mapped_column(String(10), primary_key=True)
    settings_hash: Mapped[str] = mapped_column(String(64), primary_key=True)
    status: Mapped[str] = mapped_column(String(16), default="ready")
    payload_json: Mapped[dict] = mapped_column(PortableJSON(), default=dict)
    message: Mapped[str | None] = mapped_column(Text)
    error: Mapped[str | None] = mapped_column(Text)
    generated_at: Mapped[datetime | None] = mapped_column(BeijingDateTime())
    created_at: Mapped[datetime] = mapped_column(BeijingDateTime(), default=lambda: datetime.now(UTC))
    updated_at: Mapped[datetime] = mapped_column(BeijingDateTime(), default=lambda: datetime.now(UTC), onupdate=lambda: datetime.now(UTC))