import { type NextRequest, NextResponse } from "next/server";
import { enqueueTranscription, readTranscription } from "@/lib/stt/tasks";
import { isActive } from "@/lib/stt/types";
export const runtime = "nodejs";
export const dynamic = "force-dynamic";
const validId = (id: unknown): id is string =>
  typeof id === "string" && /^[A-Za-z0-9_-]{1,128}$/.test(id);
export async function GET(req: NextRequest) {
  const id = req.nextUrl.searchParams.get("awemeId");
  if (!validId(id))
    return NextResponse.json({ error: "需要有效的 awemeId" }, { status: 400 });
  try {
    const state = await readTranscription(id);
    return state
      ? NextResponse.json(state)
      : NextResponse.json({ error: "视频不存在" }, { status: 404 });
  } catch {
    return NextResponse.json({ error: "读取转写状态失败" }, { status: 500 });
  }
}
export async function POST(req: NextRequest) {
  const body = await req.json().catch(() => null);
  if (!validId(body?.awemeId))
    return NextResponse.json({ error: "需要有效的 awemeId" }, { status: 400 });
  try {
    const state = await enqueueTranscription(body.awemeId, true);
    return state
      ? NextResponse.json(state, { status: isActive(state.status) ? 202 : 200 })
      : NextResponse.json({ error: "视频不存在" }, { status: 404 });
  } catch {
    return NextResponse.json({ error: "转写任务入队失败" }, { status: 500 });
  }
}