-- =============================================================
-- Stubs für die LOKALE PostgreSQL-Kopie (ohne Supabase-Stack).
-- Stellt die minimalen Supabase-Objekte bereit, die das public-
-- Schema referenziert (auth.users, auth.uid(), Rollen, storage).
-- Reihenfolge: 00_stubs.sql -> Schema-Dump -> Daten-Dump
-- =============================================================

-- Rollen, die in den RLS-Policies referenziert werden
do $$
begin
  if not exists (select from pg_roles where rolname = 'anon') then
    create role anon nologin;
  end if;
  if not exists (select from pg_roles where rolname = 'authenticated') then
    create role authenticated nologin;
  end if;
  if not exists (select from pg_roles where rolname = 'service_role') then
    create role service_role nologin bypassrls;
  end if;
end
$$;

-- ---------- auth-Schema (Minimal-Stub) ----------
create schema if not exists auth;

create table if not exists auth.users (
  id                 uuid primary key,
  email              text,
  raw_user_meta_data jsonb not null default '{}'::jsonb,
  created_at         timestamptz not null default now()
);

-- Entspricht supabase auth.uid(); liefert lokal null,
-- sofern kein JWT-Claim gesetzt ist.
create or replace function auth.uid()
returns uuid
language sql
stable
as $$
  select nullif(current_setting('request.jwt.claim.sub', true), '')::uuid
$$;

-- ---------- storage-Schema (Minimal-Stub) ----------
create schema if not exists storage;

create table if not exists storage.buckets (
  id     text primary key,
  name   text not null,
  public boolean not null default false
);

create table if not exists storage.objects (
  id         uuid primary key default gen_random_uuid(),
  bucket_id  text references storage.buckets (id),
  name       text,
  owner      uuid,
  created_at timestamptz not null default now()
);