import { NextRequest, NextResponse } from "next/server";
import { toErrorResponse } from "@/lib/render-pipeline/errors";
import { requirePipelineAdmin, requirePipelineUser } from "@/lib/render-pipeline/session-auth";
import { createDeliveryRequest, listDeliveryRequests } from "@/lib/render-pipeline/delivery-requests";
import { createRequestSchema } from "@/lib/render-pipeline/delivery-request-state";

// ── GET /api/delivery-requests · POST /api/delivery-requests ─────────────────
//
// What clients have asked for, and how much of each ask has gone out.

export async function GET(req: NextRequest) {
  try {
    await requirePipelineUser();
    const { searchParams } = new URL(req.url);
    const requests = await listDeliveryRequests({
      projectId: searchParams.get("projectId") ?? undefined,
      openOnly: searchParams.get("open") === "1",
    });
    return NextResponse.json({ requests });
  } catch (err) {
    const { body, status } = toErrorResponse(err);
    return NextResponse.json(body, { status });
  }
}

export async function POST(req: NextRequest) {
  try {
    const user = await requirePipelineAdmin();

    const parsed = createRequestSchema.safeParse(await req.json().catch(() => null));
    if (!parsed.success) {
      return NextResponse.json(
        { error: parsed.error.issues[0]?.message ?? "Invalid request", details: parsed.error.issues },
        { status: 422 }
      );
    }

    const result = await createDeliveryRequest(parsed.data, user.id);
    return NextResponse.json(result, { status: 201 });
  } catch (err) {
    const { body, status } = toErrorResponse(err);
    return NextResponse.json(body, { status });
  }
}