package billing

import (
	"context"
	"strings"
)

// IsEphemeralTestPlanName reports integration-test plan rows that should stay
// out of the admin "catalog" filter (consume-contention-*, claim-test-plan-*, multi-plan-*).
func IsEphemeralTestPlanName(name string) bool {
	n := strings.ToLower(strings.TrimSpace(name))
	if n == "" {
		return false
	}
	return strings.HasPrefix(n, "consume-contention-") ||
		strings.HasPrefix(n, "claim-test-plan-") ||
		strings.HasPrefix(n, "multi-plan-")
}

// IsObsoleteLadderPlanName reports pre-v2 public ladder leftovers that must never
// appear on Choose your plan (Basic / Professional / Merkur / Mini).
func IsObsoleteLadderPlanName(name string) bool {
	switch strings.ToLower(strings.TrimSpace(name)) {
	case "basic", "professional", "mini", "merkur", "meur", "merkur trial":
		return true
	default:
		return false
	}
}

// EnsurePlanCatalogHygiene soft-hides obsolete ladder leftovers and forces EPREL
// on for every plan (public EU data — never credit-gated).
//
// Soft-hide: mark Basic/Professional/… as is_custom with an archived description
// so they never look like self-serve product rows. Rows are not deleted (may be
// referenced by history). Ephemeral test plans are left in DB but filtered in admin UI.
func (s *Service) EnsurePlanCatalogHygiene(ctx context.Context) error {
	if s == nil || s.Pool == nil {
		return nil
	}
	_, err := s.Pool.Exec(ctx, `
		UPDATE plans SET
			is_custom = true,
			description = CASE
				WHEN description IS NULL OR btrim(description) = '' THEN
					'Archived pre-v2 plan (hidden from Choose your plan)'
				WHEN description LIKE 'Archived pre-v2%' THEN description
				ELSE 'Archived pre-v2 plan (hidden from Choose your plan). ' || description
			END,
			updated_at = now()
		WHERE lower(name) IN ('basic', 'professional', 'mini', 'merkur', 'meur', 'merkur trial')
		  AND is_custom = false`)
	if err != nil {
		return err
	}

	// Never leave an explicit capability.eprel=false override — EPREL is free on all plans.
	_, err = s.Pool.Exec(ctx, `
		UPDATE plans
		SET features = features || '{"capability.eprel": true}'::jsonb,
		    updated_at = now()
		WHERE features ? 'capability.eprel'
		  AND (features->>'capability.eprel') = 'false'`)
	if err != nil {
		if isUndefinedColumn(err) {
			return nil
		}
		return err
	}
	return nil
}