import { NextRequest, NextResponse } from "next/server";
import { backendFetch, readBackendError } from "@/lib/backend";

export const runtime = "nodejs";

export async function GET(_request: NextRequest, context: { params: Promise<{ conversationId: string }> }) {
  const { conversationId } = await context.params;
  const response = await backendFetch(`/v1/conversations/${encodeURIComponent(conversationId)}`);
  if (!response.ok) return NextResponse.json({ error: await readBackendError(response) }, { status: response.status });
  return NextResponse.json(await response.json());
}

export async function PATCH(request: NextRequest, context: { params: Promise<{ conversationId: string }> }) {
  const { conversationId } = await context.params;
  const body = await request.json().catch(() => ({}));
  const response = await backendFetch(`/v1/conversations/${encodeURIComponent(conversationId)}`, {
    method: "PATCH",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({
      current_task_id: body.currentTaskId || null,
    }),
  });
  if (!response.ok) return NextResponse.json({ error: await readBackendError(response) }, { status: response.status });
  return NextResponse.json(await response.json());
}