import { describe, it } from 'node:test';
import assert from 'node:assert/strict';
import { resolveCurrentDocRole } from './currentDocRole';

const authorA = { id: 9, name: '编制人A' };
const reviewerB = { id: 2, name: '审核人B' };
const stranger = { id: 99, name: '陌生用户' };

const duties = {
  authorId: 9,
  author: '编制人A',
  reviewerId: 2,
  reviewer: '审核人B',
  approverId: 3,
  approver: '批准人C',
};

describe('resolveCurrentDocRole', () => {
  it('resolves A as author by authoritative user id', () => {
    assert.equal(resolveCurrentDocRole({ currentUser: authorA, ...duties }), 'author');
  });

  it('does not promote reviewer B or stranger to author', () => {
    assert.equal(resolveCurrentDocRole({ currentUser: reviewerB, ...duties }), 'reviewer');
    assert.equal(resolveCurrentDocRole({ currentUser: stranger, ...duties }), 'viewer');
  });

  it('fail-closes unknown identity to viewer even if projectPermission says author', () => {
    assert.equal(
      resolveCurrentDocRole({
        currentUser: stranger,
        ...duties,
        projectPermission: 'author',
      }),
      'viewer',
    );
  });

  it('matches name only for legacy local docs without duty ids', () => {
    assert.equal(
      resolveCurrentDocRole({
        currentUser: { id: 1, name: '张工' },
        author: '张工',
        reviewer: '李主管',
        approver: '王总监',
        isLegacyLocalDoc: true,
      }),
      'author',
    );
    assert.equal(
      resolveCurrentDocRole({
        currentUser: stranger,
        author: '张工',
        reviewer: '李主管',
        approver: '王总监',
        isLegacyLocalDoc: true,
      }),
      'viewer',
    );
  });

  it('does not name-promote when server controlled duties are zero ids', () => {
    assert.equal(
      resolveCurrentDocRole({
        currentUser: { id: 99, name: '编制人A' },
        authorId: 0,
        reviewerId: 0,
        approverId: 0,
        author: '编制人A',
        reviewer: '审核人B',
        approver: '批准人C',
        dutiesAuthoritative: true,
        governanceMode: 'controlled',
        isLegacyLocalDoc: true,
      }),
      'viewer',
    );
    assert.equal(
      resolveCurrentDocRole({
        currentUser: { id: 99, name: '编制人A' },
        author: '编制人A',
        governanceMode: 'controlled',
      }),
      'viewer',
    );
  });
});