"""Video API routes."""

from fastapi import APIRouter, Query

from core.db import conn
from core.pipeline import process_pending

router = APIRouter()


@router.get("")
def list_videos(
    status: str | None = None,
    limit: int = Query(50, le=200),
    offset: int = Query(0, ge=0),
):
    conditions = []
    params: dict = {"lim": limit, "off": offset}
    if status:
        conditions.append("v.status = :st")
        params["st"] = status

    where = ("WHERE " + " AND ".join(conditions)) if conditions else ""
    sql = f"""
        SELECT v.id, v.video_id, v.title, v.url, v.status,
               v.published_at, c.channel_name
        FROM videos v
        JOIN channels c ON c.id = v.channel_id
        {where}
        ORDER BY v.published_at DESC NULLS LAST
        OFFSET :off ROWS FETCH NEXT :lim ROWS ONLY
    """
    with conn() as c:
        cur = c.cursor()
        cur.execute(sql, params)
        cols = [d[0].lower() for d in cur.description]
        rows = cur.fetchall()

    results = []
    for row in rows:
        d = dict(zip(cols, row))
        if d.get("published_at"):
            d["published_at"] = d["published_at"].isoformat()
        results.append(d)
    return results


@router.post("/process")
def trigger_processing(limit: int = Query(5, le=20)):
    """Manually trigger processing of pending videos."""
    count = process_pending(limit)
    return {"restaurants_extracted": count}