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

123 lines
4.8 KiB
Go

// Package shape validates required D&D NPC occurrence candidate fields.
package shape
import (
"context"
"fmt"
"strings"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
)
const (
Key = "extract/dnd/npc-occurrences/shape"
ReasonCode = "invalid_npc_occurrence_shape"
policy = "dnd.npc_occurrences.validator.shape.v2"
)
type Options struct{}
type Validator struct{}
var _ contracts.TypedValidator[dnd.NPCOccurrenceList] = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(Options) *Validator { return &Validator{} }
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassDeterministic
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
return []pipeline.CheckpointFingerprint{{Name: "policy", Value: policy}}
}
func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.NPCOccurrenceList]) (contracts.ValidationResult, error) {
issues, corrections := assess(req.Value)
if len(issues) != 0 {
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCode,
Message: diagnostics.Aggregate("invalid NPC occurrence shape", issues),
CorrectionGuidance: corrections.Guidance("Correct every rejected NPC occurrence and return the complete replacement occurrence list"),
}, nil
}
return contracts.ValidationResult{Approved: true}, nil
}
func Validate(value dnd.NPCOccurrenceList) error {
issues, _ := assess(value)
if len(issues) == 0 {
return nil
}
return fmt.Errorf("%s", diagnostics.Aggregate("invalid NPC occurrence shape", issues))
}
func assess(value dnd.NPCOccurrenceList) ([]string, diagnostics.Corrections) {
var corrections diagnostics.Corrections
if value.Occurrences == nil {
corrections.Add("list", "Return an `occurrences` array; use an empty array when the transcript establishes no NPC occurrences.", "")
return []string{"occurrences must be present"}, corrections
}
issues := make([]string, 0)
for index, occurrence := range value.Occurrences {
prefix := fmt.Sprintf("occurrences[%d]", index)
record := fmt.Sprintf("Affected %s occurrence for NPC %s %s.", diagnostics.Quote(string(occurrence.Kind)), diagnostics.Quote(strings.TrimSpace(occurrence.Name)), diagnostics.SourceRange(occurrence.SourceRefs))
if strings.TrimSpace(occurrence.NPCID) == "" {
issues = append(issues, prefix+".npc_id must not be empty: "+diagnostics.Quote(occurrence.NPCID))
corrections.Add("name", "Select a nonblank contextual NPC name from the supplied registry for every occurrence.", record)
}
if strings.TrimSpace(occurrence.Name) == "" {
issues = append(issues, prefix+".name must not be empty: "+diagnostics.Quote(occurrence.Name))
corrections.Add("name", "Select a nonblank contextual NPC name from the supplied registry for every occurrence.", record)
}
if !validKind(occurrence.Kind) {
issues = append(issues, prefix+".kind is unsupported: "+diagnostics.Quote(string(occurrence.Kind)))
corrections.Add("kind", "Set `kind` to exactly one of `mentioned`, `noncombat_presence`, `dialogue`, `combat_ally`, `combat_opponent`, or `other`.", record)
}
if len(occurrence.SourceRefs) == 0 {
issues = append(issues, prefix+".source_refs must contain at least one reference")
corrections.Add("source-refs", "Provide at least one transcript source range that directly supports every NPC occurrence.", record)
}
}
return issues, corrections
}
func validKind(value dnd.NPCOccurrenceKind) bool {
switch value {
case dnd.NPCOccurrenceKindMentioned,
dnd.NPCOccurrenceKindNoncombatPresence,
dnd.NPCOccurrenceKindDialogue,
dnd.NPCOccurrenceKindCombatAlly,
dnd.NPCOccurrenceKindCombatOpponent,
dnd.NPCOccurrenceKindOther:
return true
default:
return false
}
}
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), nil
})
}
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 }