Files
notarius/internal/modules/dnd/validate/npcoccurrences/registry/validator.go

136 lines
4.5 KiB
Go

// Package registry validates D&D NPC occurrence names against NPC grounding.
package registry
import (
"context"
"fmt"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
npcregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/registry"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
occurrenceshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/npcoccurrences/shape"
)
const (
Key = "extract/dnd/npc-occurrences/registry"
ReasonCode = "invalid_npc_occurrence_registry"
policy = "dnd.npc_occurrences.validator.registry.v1"
)
type Options struct{}
type Validator struct {
npcResolver *npcregistry.Resolver
}
var _ contracts.TypedValidator[dnd.NPCOccurrenceList] = (*Validator)(nil)
var _ contracts.ManifestMetadataProvider = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(_ Options, references ...contracts.ReferenceSet) (*Validator, error) {
if len(references) > 1 {
return nil, fmt.Errorf("NPC occurrence registry validator accepts at most one reference set")
}
var referenceSet contracts.ReferenceSet
if len(references) == 1 {
referenceSet = references[0]
}
resolver, err := npcregistry.NewResolver(referenceSet)
if err != nil {
return nil, fmt.Errorf("prepare NPC registry: %w", err)
}
return &Validator{npcResolver: resolver}, nil
}
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassDeterministic
}
func (v *Validator) ManifestMetadata() map[string]any {
if v == nil || v.npcResolver == nil {
return nil
}
metadata := map[string]any{"policy": policy}
seeded := v.npcResolver.Seeded()
if seeded.Bound() {
metadata["npc_registry_digest"] = seeded.Digest()
metadata["npc_count"] = seeded.Count()
}
return metadata
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
if v == nil || v.npcResolver == nil {
return nil
}
return []pipeline.CheckpointFingerprint{
{Name: "policy", Value: policy},
{Name: "npc_registry", Value: v.npcResolver.Seeded().IdentityDigest()},
}
}
func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.NPCOccurrenceList]) (contracts.ValidationResult, error) {
if occurrenceshape.Validate(req.Value) != nil {
return contracts.ValidationResult{Approved: true}, nil
}
if v == nil || v.npcResolver == nil {
return contracts.ValidationResult{}, fmt.Errorf("NPC occurrence registry validator must not be nil")
}
npcRegistry, err := v.npcResolver.Resolve(req.References)
if err != nil {
return contracts.ValidationResult{}, fmt.Errorf("resolve NPC registry: %w", err)
}
if !npcRegistry.Bound() {
return rejection([]string{"NPC registry reference is required"}), nil
}
issues := make([]string, 0)
for index, occurrence := range req.Value.Occurrences {
canonical, ok := npcRegistry.LookupID(occurrence.NPCID)
if !ok {
issues = append(issues, fmt.Sprintf("occurrences[%d].npc_id is not in the NPC registry: %s", index, diagnostics.Quote(occurrence.NPCID)))
continue
}
if occurrence.Name != canonical.Name {
issues = append(issues, fmt.Sprintf("occurrences[%d].name does not match npc_id: %s", index, diagnostics.Quote(occurrence.Name)))
}
}
if len(issues) == 0 {
return contracts.ValidationResult{Approved: true}, nil
}
return rejection(issues), nil
}
func rejection(issues []string) contracts.ValidationResult {
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCode,
Message: diagnostics.Aggregate("invalid NPC occurrence registry", issues),
}
}
func Spec() pipeline.ValidatorSpec {
return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassDeterministic}
}
func Register(registry *pipeline.ValidatorRegistry) error {
return pipeline.RegisterTypedValidatorBuilder(registry, dnd.NPCOccurrenceListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.NPCOccurrenceList], error) {
options, err := DecodeOptions(request.Options)
if err != nil {
return nil, err
}
return New(options, request.References)
})
}
func DecodeOptions(options map[string]any) (Options, error) {
if err := pipeline.RejectUnknownOptions(options); err != nil {
return Options{}, err
}
return Options{}, nil
}
func validateOptions(options map[string]any) error { _, err := DecodeOptions(options); return err }