import { describe, expect, it } from 'vitest';

import { reconcileDocumentValue } from '../../src/domain/conflict';

describe('reconcileDocumentValue', () => {
  it('adopts document edits when the sidebar draft still equals its baseline', () => {
    expect(reconcileDocumentValue('原值', '原值', '文档新值')).toEqual({
      documentValue: '文档新值',
      draftValue: '文档新值',
    });
  });

  it('acknowledges the document when it already equals the sidebar draft', () => {
    expect(reconcileDocumentValue('原值', '草稿', '草稿')).toEqual({
      documentValue: '草稿',
      draftValue: '草稿',
    });
  });

  it('keeps a sidebar draft when the document has not moved from its baseline', () => {
    expect(reconcileDocumentValue('原值', '草稿', '原值')).toEqual({
      documentValue: '原值',
      draftValue: '草稿',
    });
  });

  it('reports a conflict only when the document and draft diverge from the same baseline', () => {
    expect(reconcileDocumentValue('原值', '侧栏值', '文档值')).toEqual({
      conflict: { baseValue: '原值', documentValue: '文档值', draftValue: '侧栏值' },
      documentValue: '文档值',
      draftValue: '侧栏值',
    });
  });
});