wip

packages/automation/domain/services/StepTransitionValidator.ts

@@ -1,11 +1,21 @@
 import { StepId } from '../value-objects/StepId';
 import { SessionState } from '../value-objects/SessionState';
+import type { IDomainValidationService } from '@gridpilot/shared/domain';
+import { Result } from '../../../shared/result/Result';
 
 export interface ValidationResult {
   isValid: boolean;
   error?: string;
 }
 
+export interface StepTransitionValidationInput {
+  currentStep: StepId;
+  nextStep: StepId;
+  state: SessionState;
+}
+
+export interface StepTransitionValidationResult extends ValidationResult {}
+
 const STEP_DESCRIPTIONS: Record<number, string> = {
   1: 'Navigate to Hosted Racing page',
   2: 'Click Create a Race',
@@ -26,7 +36,23 @@ const STEP_DESCRIPTIONS: Record<number, string> = {
   17: 'Track Conditions (STOP - Manual Submit Required)',
 };
 
-export class StepTransitionValidator {
+export class StepTransitionValidator
+  implements
+    IDomainValidationService<StepTransitionValidationInput, StepTransitionValidationResult, Error>
+{
+  validate(input: StepTransitionValidationInput): Result<StepTransitionValidationResult, Error> {
+    try {
+      const { currentStep, nextStep, state } = input;
+      const result = StepTransitionValidator.canTransition(currentStep, nextStep, state);
+      return Result.ok(result);
+    } catch (error) {
+      return Result.err(
+        error instanceof Error
+          ? error
+          : new Error(`Step transition validation failed: ${String(error)}`),
+      );
+    }
+  }
   static canTransition(
     currentStep: StepId,
     nextStep: StepId,