-- Simula RLS: tenant B no ve PRY-0001 de tenant A pero el código debe ser global.
DROP SCHEMA IF EXISTS core CASCADE;
CREATE SCHEMA core;
SET search_path = core;

CREATE FUNCTION rpc_assert_message(p_message text) RETURNS void LANGUAGE plpgsql IMMUTABLE AS $$
BEGIN IF p_message IS NULL OR btrim(p_message) = '' THEN RAISE EXCEPTION 'empty'; END IF; END; $$;
CREATE FUNCTION rpc_ok(p_data jsonb, p_message text, p_ctx jsonb DEFAULT '{}'::jsonb) RETURNS jsonb
LANGUAGE plpgsql IMMUTABLE AS $$
BEGIN PERFORM rpc_assert_message(p_message);
RETURN jsonb_build_object('ok', true, 'data', p_data); END; $$;
CREATE FUNCTION rpc_created(p_data jsonb, p_message text, p_ctx jsonb DEFAULT '{}'::jsonb) RETURNS jsonb
LANGUAGE plpgsql IMMUTABLE AS $$
BEGIN PERFORM rpc_assert_message(p_message);
RETURN jsonb_build_object('ok', true, 'data', p_data); END; $$;
CREATE FUNCTION rpc_err(p_code text, p_message text, p_ctx jsonb DEFAULT '{}'::jsonb, p_errors jsonb DEFAULT NULL) RETURNS jsonb
LANGUAGE plpgsql IMMUTABLE AS $$
BEGIN PERFORM rpc_assert_message(p_message);
RETURN jsonb_build_object('ok', false, 'message', p_message); END; $$;
CREATE FUNCTION rpc_from_exception(p_fn text, p_sqlstate text, p_message text, p_detail text DEFAULT NULL) RETURNS jsonb
LANGUAGE plpgsql IMMUTABLE AS $$
BEGIN RETURN rpc_err('INTERNAL', format('%s %s', p_fn, p_message), '{}'::jsonb); END; $$;

CREATE TABLE companies (id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, name text);
CREATE TABLE projects (
  id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
  code text NOT NULL UNIQUE,
  name text NOT NULL,
  address text DEFAULT '',
  theme_id text NOT NULL DEFAULT 'arctec-dos-logos-fold',
  status text DEFAULT 'activo',
  company_id bigint,
  tenant_id int
);
ALTER TABLE projects ENABLE ROW LEVEL SECURITY;
CREATE POLICY tenant_isolation ON projects
  USING (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer)
  WITH CHECK (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer);

INSERT INTO companies (name) VALUES ('Co A'), ('Co B');

-- PRY-0001 ya existe (otro tenant / seed)
INSERT INTO projects (code, name, theme_id, company_id, tenant_id)
VALUES ('PRY-0001', 'Obra seed', 'arctec-dos-logos-fold', 1, 1);