import { NextResponse } from "next/server";
import { createRequest, listRequests, validateCreateRequestInput } from "@/lib/requests";

export async function POST(request: Request): Promise<NextResponse> {
  let body: unknown;
  try {
    body = await request.json();
  } catch {
    return NextResponse.json({ error: "Request body must be valid JSON" }, { status: 400 });
  }

  if (typeof body !== "object" || body === null) {
    return NextResponse.json({ error: "Request body must be a JSON object" }, { status: 400 });
  }

  const { employee_id, type, reason } = body as Record<string, unknown>;
  const validation = validateCreateRequestInput({ employee_id, type, reason });

  if (!validation.ok) {
    return NextResponse.json({ error: validation.error }, { status: 400 });
  }

  const created = await createRequest(validation.value);
  return NextResponse.json(created, { status: 201 });
}

export async function GET(): Promise<NextResponse> {
  const requests = await listRequests();
  return NextResponse.json(requests, { status: 200 });
}