import { describe, expect, it, vi } from 'vitest';
import Fastify from 'fastify';
import { WebhookController } from '../../../src/app/controllers/WebhookController';
import type { PromptService } from '../../../src/core/langfuse/PromptService';

describe('WebhookController', () => {
  it('invalidates a single prompt when promptName is given', async () => {
    const invalidate = vi.fn();
    const app = Fastify();
    new WebhookController({ invalidate } as unknown as PromptService).register(app);

    const res = await app.inject({
      method: 'POST',
      url: '/webhooks/langfuse/invalidate',
      payload: { promptName: 'movie-recommender' },
    });
    expect(res.statusCode).toBe(200);
    expect(invalidate).toHaveBeenCalledWith('movie-recommender');
    expect(res.json()).toEqual({ invalidated: true, promptName: 'movie-recommender' });
  });

  it('invalidates the whole cache when no promptName is given', async () => {
    const invalidate = vi.fn();
    const app = Fastify();
    new WebhookController({ invalidate } as unknown as PromptService).register(app);

    const res = await app.inject({ method: 'POST', url: '/webhooks/langfuse/invalidate', payload: {} });
    expect(invalidate).toHaveBeenCalledWith(undefined);
    expect(res.json()).toEqual({ invalidated: true, promptName: 'all' });
  });
});