"""STEP 04 — Treatment History (历史治理记录)."""
from fastapi import APIRouter, Depends

from app.auth import CurrentUser
from app.config import settings
from app.db import get_conn

router = APIRouter()


@router.get("/treatment-history")
async def _list(limit: int = 50, _user: CurrentUser = None):
    s = settings.db_schema
    async with get_conn() as conn:
        async with conn.cursor() as cur:
            await cur.execute(
                f"""SELECT
                    ra.id, ra.candidate_id, ra.candidate_type,
                    ra.action, ra.actor, ra.note, ra.field_decisions_jsonb,
                    ra.created_at,
                    ce.entity_type, ce.natural_key
                FROM {s}.review_actions ra
                LEFT JOIN {s}.candidate_entities ce ON ra.candidate_id=ce.id
                ORDER BY ra.created_at DESC LIMIT %s""",
                (limit,),
            )
            return await cur.fetchall()