import "server-only";
import { createClient } from "@supabase/supabase-js";
import { createServerClient } from "@supabase/ssr";
import { cookies } from "next/headers";
import type { Database } from "@/shared/database";
let singleton: ReturnType<typeof createClient<Database>> | undefined;
export function admin() {
  if (!process.env.NEXT_PUBLIC_SUPABASE_URL || !process.env.SUPABASE_SECRET_KEY)
    throw new Error(
      "Supabase configuration missing. Run npm run setup and configure .env.local.",
    );
  return (singleton ??= createClient<Database>(
    process.env.NEXT_PUBLIC_SUPABASE_URL,
    process.env.SUPABASE_SECRET_KEY,
    { auth: { persistSession: false, autoRefreshToken: false } },
  ));
}
export async function authClient() {
  const jar = await cookies();
  return createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY!,
    {
      cookies: {
        getAll: () => jar.getAll(),
        setAll: (values) => {
          try {
            values.forEach(({ name, value, options }) =>
              jar.set(name, value, options),
            );
          } catch {
            /* Server components refresh through proxy. */
          }
        },
      },
    },
  );
}
export async function user() {
  const client = await authClient();
  const {
    data: { user },
  } = await client.auth.getUser();
  return user;
}
export function required<T>(result: {
  data: T;
  error: { message: string } | null;
}): NonNullable<T> {
  if (result.error) throw new Error(result.error.message);
  if (result.data === null || result.data === undefined)
    throw new Error("Record not found");
  return result.data as NonNullable<T>;
}