from __future__ import annotations

from datetime import datetime
from uuid import UUID, uuid4

from sqlalchemy import JSON, Column
from sqlmodel import Field

from app.core.time import utcnow
from app.models.base import QueryModel


class Approval(QueryModel, table=True):
    __tablename__ = "approvals"

    id: UUID = Field(default_factory=uuid4, primary_key=True)
    board_id: UUID = Field(foreign_key="boards.id", index=True)
    task_id: UUID | None = Field(default=None, foreign_key="tasks.id", index=True)
    agent_id: UUID | None = Field(default=None, foreign_key="agents.id", index=True)
    action_type: str
    payload: dict[str, object] | None = Field(default=None, sa_column=Column(JSON))
    confidence: int
    rubric_scores: dict[str, int] | None = Field(default=None, sa_column=Column(JSON))
    status: str = Field(default="pending", index=True)
    created_at: datetime = Field(default_factory=utcnow)
    resolved_at: datetime | None = None