package self

import "fmt"

type AssessmentID string
type LearningLedgerEntryID string
type AssessmentState string

const (
	AssessmentCandidate  AssessmentState = "CANDIDATE"
	AssessmentConfirmed  AssessmentState = "CONFIRMED"
	AssessmentMonitoring AssessmentState = "MONITORING"
	AssessmentResolved   AssessmentState = "RESOLVED"
)

type CompetenceAssessment struct {
	ID                AssessmentID
	PrincipalID       string
	SubjectRef        SemanticReference
	Revision          uint64
	ContextMatcher    []string
	QualityMillis     int64
	ReliabilityMillis int64
	ConfidenceMillis  int64
	EvidenceRefs      []SemanticReference
	LastValidatedAt   int64
	AssessedAt        int64
	SupersedesRef     *SemanticReference
}
type WeaknessPattern struct {
	ID                    AssessmentID
	PrincipalID           string
	Revision              uint64
	PatternKey            string
	ContextMatcher        []string
	FailureMode           string
	DetectionEvidenceRefs []SemanticReference
	State                 AssessmentState
	RecordedAt            int64
}
type DependencyAssessment struct {
	ID            AssessmentID
	SubjectRef    SemanticReference
	DependencyRef SemanticReference
	ImpactClass   string
	CurrentEffect string
	EvidenceRefs  []SemanticReference
	AssessedAt    int64
}
type ImprovementNeed struct {
	ID              AssessmentID
	PrincipalID     string
	SubjectRef      SemanticReference
	ProblemSummary  string
	EvidenceRefs    []SemanticReference
	ExpectedBenefit string
	Priority        int
	State           string
	CreatedAt       int64
}
type LearningLedgerEntry struct {
	ID                   LearningLedgerEntryID
	PrincipalID          string
	ImprovementNeedRef   *SemanticReference
	ObservedProblem      string
	EvidenceRefs         []SemanticReference
	Diagnosis            string
	Hypothesis           string
	ProposedChangeRef    SemanticReference
	ExpectedImprovement  string
	ActualEvaluationRefs []SemanticReference
	DevelopmentGateRef   *SemanticReference
	BeforeVersionRefs    []SemanticReference
	AfterVersionRefs     []SemanticReference
	Decision             string
	SideEffects          []string
	RollbackRef          *SemanticReference
	RecordedAt           int64
}

func (a CompetenceAssessment) Validate() error {
	if a.ID == "" || a.PrincipalID == "" || !a.SubjectRef.Valid() || a.Revision < 1 || a.ConfidenceMillis < 0 || a.ConfidenceMillis > 1000 || len(a.EvidenceRefs) == 0 || a.AssessedAt < 1 {
		return fmt.Errorf("competence requires evidence")
	}
	return nil
}
func (l LearningLedgerEntry) Validate() error {
	if l.ID == "" || l.PrincipalID == "" || l.ObservedProblem == "" || len(l.EvidenceRefs) == 0 || l.Decision == "" || l.RecordedAt < 1 {
		return fmt.Errorf("learning ledger entry is incomplete")
	}
	return nil
}