import { createPipeline, listPipelines } from "@/lib/db";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";

function normalizeStreams(raw: unknown): string {
  if (typeof raw === "string") return raw;
  return JSON.stringify(raw ?? []);
}

export async function GET() {
  try {
    return Response.json(listPipelines());
  } catch (err) {
    return Response.json({ error: (err as Error).message }, { status: 500 });
  }
}

export async function POST(request: Request) {
  try {
    const body = await request.json();
    if (!body.name || !body.source_conn_id || !body.target_conn_id) {
      return Response.json(
        { error: "name, source_conn_id and target_conn_id are required" },
        { status: 400 }
      );
    }
    const pipeline = createPipeline({
      name: String(body.name),
      source_conn_id: Number(body.source_conn_id),
      target_conn_id: Number(body.target_conn_id),
      schema_sync: body.schema_sync === undefined ? 1 : Number(body.schema_sync),
      mode: body.mode ? String(body.mode) : "full-refresh",
      streams: normalizeStreams(body.streams),
    });
    return Response.json(pipeline, { status: 201 });
  } catch (err) {
    return Response.json({ error: (err as Error).message }, { status: 500 });
  }
}