import { describe, expect, it } from 'vitest';
import { sanitizeLearningRuntimeAnchor } from '@/lib/learning-runtime-anchor';
import { matchesLearningCloudProgress } from '@/pages/Learning/CoursePlayer';

describe('Learning CoursePlayer runtime boundary', () => {
  it('copies only sceneId and sceneOrder from the untrusted iframe anchor', () => {
    expect(sanitizeLearningRuntimeAnchor({
      sceneId: 'scene-3',
      sceneOrder: 3,
      courseId: 'iframe-course',
      contentHash: 'iframe-hash',
      moduleId: 'iframe-module',
      moduleContentHash: 'iframe-module-hash',
      actionIndex: 8,
    })).toEqual({ sceneId: 'scene-3', sceneOrder: 3 });
  });

  it('drops invalid or empty anchors instead of forwarding arbitrary context', () => {
    expect(sanitizeLearningRuntimeAnchor({ sceneId: '', sceneOrder: -1, arbitrary: true })).toBeUndefined();
    expect(sanitizeLearningRuntimeAnchor(['scene-1'])).toBeUndefined();
  });

  it('restores single-course cloud progress stored under the server main module', () => {
    expect(matchesLearningCloudProgress(
      { courseId: 'course-1', contentHash: 'a'.repeat(64), moduleId: 'main' },
      'course-1',
      { courseContentHash: 'a'.repeat(64), moduleId: null, modules: [{}] },
    )).toBe(true);
    expect(matchesLearningCloudProgress(
      { courseId: 'course-1', contentHash: 'a'.repeat(64), moduleId: 'other' },
      'course-1',
      { courseContentHash: 'a'.repeat(64), moduleId: null, modules: [{}] },
    )).toBe(false);
  });
});