import { NextResponse, type NextRequest } from "next/server";

import { parsePaging, type ItemList } from "@/lib/db";

import { getVotesFiltered, getVoteCountFiltered, type Vote, type VoteFilter } from "@/lib/feed";

export const dynamic = "force-dynamic";

export async function GET(req: NextRequest) {

  const sp = req.nextUrl.searchParams;

  const { limit, offset } = parsePaging(sp);

  const resultParam = sp.get("result") ?? "";

  const sortParam = sp.get("sort") ?? "";

  const filter: VoteFilter = {

    chamber: sp.get("chamber")?.toLowerCase() || undefined,

    q: sp.get("q") || undefined,

    resultFilter:

      resultParam === "passed" ? "passed" :

      resultParam === "failed" ? "failed" :

      undefined,

    sort:

      sortParam === "chamber" ? "chamber" :

      sortParam === "result"  ? "result"  :

      undefined,

  };

  const items = getVotesFiltered(filter, limit, offset);

  const total = getVoteCountFiltered(filter);

  const body: ItemList<Vote> = { items, total, limit, offset };

  return NextResponse.json(body);

}