-- =========================================================
-- TABLERO CDC - HISTORIAL DE ACTIVIDAD POR PROYECTO
-- Ejecutar en Supabase SQL Editor antes de desplegar esta versión.
--
-- Crea una tabla pequeña para registrar comentarios y movimientos
-- dentro de cada proyecto, sin tocar el Google Sheet ni n8n.
-- =========================================================

create table if not exists public.tablero_cdc_project_activity (
  id uuid primary key default gen_random_uuid(),
  project_id uuid not null references public.tablero_cdc_projects(id) on delete cascade,
  actor_id uuid null,
  actor_email text null,
  actor_name text null,
  activity_type text not null default 'note',
  title text not null,
  description text null,
  extra_data jsonb not null default '{}'::jsonb,
  created_at timestamptz not null default now()
);

create index if not exists tablero_cdc_project_activity_project_created_idx
  on public.tablero_cdc_project_activity(project_id, created_at desc);

alter table public.tablero_cdc_project_activity enable row level security;

drop policy if exists "tablero_cdc_project_activity_select_authenticated" on public.tablero_cdc_project_activity;
drop policy if exists "tablero_cdc_project_activity_insert_authenticated" on public.tablero_cdc_project_activity;

create policy "tablero_cdc_project_activity_select_authenticated"
  on public.tablero_cdc_project_activity
  for select
  to authenticated
  using (true);

create policy "tablero_cdc_project_activity_insert_authenticated"
  on public.tablero_cdc_project_activity
  for insert
  to authenticated
  with check (auth.uid() is not null);

grant select, insert on public.tablero_cdc_project_activity to authenticated;

-- Realtime opcional para futuras mejoras. No es obligatorio para que la app funcione.
do $$
begin
  if not exists (
    select 1
    from pg_publication_tables
    where pubname = 'supabase_realtime'
      and schemaname = 'public'
      and tablename = 'tablero_cdc_project_activity'
  ) then
    alter publication supabase_realtime add table public.tablero_cdc_project_activity;
  end if;
end $$;

-- Validación opcional después de crear la tabla:
-- select count(*) from public.tablero_cdc_project_activity;