import { describe, expect, it } from 'vitest';
import { classroomGenerationResumeMode } from '@/lib/classroom/generation-resume-policy';

describe('classroom generation resume policy', () => {
  it('never regenerates published learner content even when outlines are present', () => {
    expect(
      classroomGenerationResumeMode({
        learnerMode: true,
        generationComplete: false,
        outlineOrders: [1, 2],
        sceneOrders: [1],
      }),
    ).toBe('none');
    expect(
      classroomGenerationResumeMode({
        learnerMode: true,
        generationComplete: true,
        outlineOrders: [1],
        sceneOrders: [1],
      }),
    ).toBe('none');
  });

  it('retains interrupted scene and media recovery for authoring classrooms', () => {
    expect(
      classroomGenerationResumeMode({
        learnerMode: false,
        generationComplete: false,
        outlineOrders: [1, 2],
        sceneOrders: [1],
      }),
    ).toBe('scenes');
    expect(
      classroomGenerationResumeMode({
        learnerMode: false,
        generationComplete: true,
        outlineOrders: [1, 2],
        sceneOrders: [1, 2],
      }),
    ).toBe('media');
    expect(
      classroomGenerationResumeMode({
        learnerMode: false,
        generationComplete: false,
        outlineOrders: [],
        sceneOrders: [],
      }),
    ).toBe('none');
  });
});