"""后台管理:采集任务状态查询(只读)。

GET /api/v1/admin/ingest/jobs/{job_id} — 单任务详情
GET /api/v1/admin/ingest/jobs?limit=N — 最近任务列表(默认 20)
"""
from __future__ import annotations

import logging

from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy import desc, select

from src.api.deps import require_admin
from src.api.schemas import IngestJobOut
from src.db.base import AsyncSession, get_db_read
from src.db.models import IngestJob

logger = logging.getLogger(__name__)

router = APIRouter(prefix="/api/v1/admin", tags=["admin"], dependencies=[Depends(require_admin)])


@router.get("/ingest/jobs/{job_id}", response_model=IngestJobOut)
async def get_ingest_job(job_id: str, db: AsyncSession = Depends(get_db_read)):
    """查询单个采集任务状态。"""
    job = await db.get(IngestJob, job_id)
    if job is None:
        raise HTTPException(404, f"采集任务不存在: {job_id}")
    return _job_to_out(job)


@router.get("/ingest/jobs", response_model=list[IngestJobOut])
async def list_ingest_jobs(
    limit: int = Query(20, ge=1, le=100, description="返回条数"),
    db: AsyncSession = Depends(get_db_read),
):
    """查询最近采集任务(最新在前)。"""
    rows = (
        await db.execute(select(IngestJob).order_by(desc(IngestJob.created_at)).limit(limit))
    ).scalars().all()
    return [_job_to_out(j) for j in rows]


def _job_to_out(job: IngestJob) -> IngestJobOut:
    return IngestJobOut(
        id=job.id,
        task=job.task,
        params=job.params or {},
        status=job.status,
        result=job.result,
        error=job.error,
        created_at=job.created_at,
        started_at=job.started_at,
        finished_at=job.finished_at,
    )