import { EvaluationContext, InMemoryProvider } from '@openfeature/web-sdk';

export class TestingProvider extends InMemoryProvider {
    constructor(
      flagConfiguration: ConstructorParameters<typeof InMemoryProvider>[0],
      private delay: number,
    ) {
      super(flagConfiguration);
    }
  
    // artificially delay our init (delaying PROVIDER_READY event)
    async initialize(context?: EvaluationContext | undefined): Promise<void> {
      await new Promise((resolve) => setTimeout(resolve, this.delay));
      return super.initialize(context);
    }
  
    // artificially delay context changes
    async onContextChange(): Promise<void> {
      await new Promise((resolve) => setTimeout(resolve, this.delay));
    }
  }