-- +goose Up
-- Explicit legacy packaging flag (A1 / migrated limited-nav).
-- Name-pattern detection still applies when this is false.

ALTER TABLE plans
  ADD COLUMN IF NOT EXISTS is_legacy BOOLEAN NOT NULL DEFAULT false;

UPDATE plans SET is_legacy = true
WHERE is_legacy = false
  AND (
    lower(name) = 'legacy'
    OR lower(name) LIKE '%legacy%'
    OR lower(name) = 'a1'
    OR lower(name) LIKE 'a1 %'
    OR lower(name) LIKE 'a1-%'
    OR lower(name) LIKE 'a1_%'
    OR lower(name) LIKE '%a1 slovenija%'
  );

CREATE INDEX IF NOT EXISTS plans_is_legacy_idx
  ON plans (is_legacy)
  WHERE is_legacy = true;

-- +goose Down
DROP INDEX IF EXISTS plans_is_legacy_idx;
ALTER TABLE plans DROP COLUMN IF EXISTS is_legacy;