import { NextRequest, NextResponse } from "next/server";
import { ExportStatus } from "@prisma/client";
import { toErrorResponse } from "@/lib/render-pipeline/errors";
import { requirePipelineUser } from "@/lib/render-pipeline/session-auth";
import { listExports } from "@/lib/render-pipeline/exports";

// ── GET /api/render/queue (E21) ──────────────────────────────────────────────
//
// Exports list for the Render Queue page. Optional filters: projectId,
// episode, status; standard pagination. Defaults to all statuses so the queue
// page can show history too — the UI filters live states client-side.

export async function GET(req: NextRequest) {
  try {
    await requirePipelineUser();
    const { searchParams } = new URL(req.url);
    const status = searchParams.get("status") ?? undefined;
    const result = await listExports({
      projectId: searchParams.get("projectId") ?? undefined,
      episode: searchParams.get("episode") ?? undefined,
      shotId: searchParams.get("shotId") ?? undefined,
      status:
        status && (Object.values(ExportStatus) as string[]).includes(status)
          ? (status as ExportStatus)
          : undefined,
      page: Number(searchParams.get("page") ?? "1") || 1,
      limit: Number(searchParams.get("limit") ?? "50") || 50,
    });
    return NextResponse.json(result);
  } catch (err) {
    const { body, status } = toErrorResponse(err);
    return NextResponse.json(body, { status });
  }
}