import { createServerClient as createServerSupabaseClient } from "@supabase/ssr";
import { cookies } from "next/headers";

export async function createServerClient() {
  const url = process.env.NEXT_PUBLIC_SUPABASE_URL;
  const anonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;

  if (!url || !anonKey) {
    throw new Error("Supabase env vars are missing for server client.");
  }

  const cookieStore = await cookies();

  return createServerSupabaseClient(url, anonKey, {
    cookies: {
      getAll() {
        return cookieStore.getAll();
      },
      setAll(
        cookiesToSet: Array<{ name: string; value: string; options?: Record<string, unknown> }>,
      ) {
        cookiesToSet.forEach(({ name, value, options }) => {
          cookieStore.set(name, value, options as Parameters<typeof cookieStore.set>[2]);
        });
      },
    },
  });
}