package config

import configkit "gitea.maximumdirect.net/eric/ConfigKit"

// documentNormalizer records leaf provenance and, while visiting a sequence,
// covers its atomic mutation boundary. ConfigKit audits sequences as whole
// values, so a record for only a descendant is insufficient. The outermost
// sequence covers nested sequences as well; unchanged visits record nothing.
type documentNormalizer struct {
	*configkit.Resolution
	sequence *configkit.Path
}

func (n documentNormalizer) inSequence(path configkit.Path) documentNormalizer {
	if n.sequence == nil {
		n.sequence = &path
	}
	return n
}

func (n documentNormalizer) Record(path configkit.Path, kind configkit.ChangeKind, reason string, dependencies ...configkit.Path) {
	n.Resolution.Record(path, kind, reason, dependencies...)
	if n.sequence != nil {
		n.Resolution.Record(*n.sequence, kind, reason, append([]configkit.Path{path}, dependencies...)...)
	}
}