-- Migración: agregar flag p_all a _dash_responses
-- UUID especial '00000000-0000-0000-0000-000000000000' = todos los surveys
CREATE OR REPLACE FUNCTION public._dash_responses(
    p_survey_id uuid,
    p_depto     text    DEFAULT NULL,
    p_genero    text[]  DEFAULT NULL,
    p_etario    text[]  DEFAULT NULL,
    p_modalidad text[]  DEFAULT NULL
)
RETURNS TABLE(response_id uuid)
LANGUAGE sql STABLE SECURITY DEFINER
SET search_path = public
AS $$
  SELECT r.id
  FROM public.responses r
  WHERE (p_survey_id = '00000000-0000-0000-0000-000000000000'
         OR r.survey_id = p_survey_id)
    AND (p_depto IS NULL OR r.qi_zone = p_depto)
    AND (p_genero IS NULL OR cardinality(p_genero) = 0 OR EXISTS (
        SELECT 1 FROM public.answers a
        JOIN public.questions q ON q.id = a.question_id
        WHERE a.response_id = r.id AND q.code = 'A6'
          AND a.value #>> '{}' = ANY(p_genero)
    ))
    AND (p_etario IS NULL OR cardinality(p_etario) = 0
         OR r.qi_age_bucket = ANY(p_etario))
    AND (p_modalidad IS NULL OR cardinality(p_modalidad) = 0 OR EXISTS (
        SELECT 1 FROM public.answers a
        JOIN public.questions q ON q.id = a.question_id
        WHERE a.response_id = r.id AND q.code = 'A7'
          AND a.value #>> '{}' = ANY(p_modalidad)
    ));
$$;