import test from 'node:test';
import assert from 'node:assert/strict';

import * as versionPlan from './version-plan';
import type { VersionPlan } from './version-plan';

function plan(patch: Partial<VersionPlan>): VersionPlan {
  return {
    id: 'plan-1',
    versionId: 'version-1',
    type: 'product',
    title: '产品方案',
    owner: 'PM',
    startTime: '2026-06-25T09:00',
    endTime: '2026-06-25T18:00',
    status: 'pending',
    createdAt: '2026-06-25',
    addedBy: 'PM',
    ...patch,
  };
}

test('sortPlansNewestFirst places newly created plans before older plans', () => {
  const sortPlansNewestFirst = (versionPlan as any).sortPlansNewestFirst as undefined | ((plans: VersionPlan[]) => VersionPlan[]);
  assert.equal(typeof sortPlansNewestFirst, 'function');

  const plans = [
    plan({ id: 'plan-100', createdAt: '2026-06-26' }),
    plan({ id: 'manual-old', createdAt: '2026-06-25' }),
    plan({ id: 'plan-300', createdAt: '2026-06-26' }),
  ];

  const sorted = (sortPlansNewestFirst as (items: VersionPlan[]) => VersionPlan[])(plans);

  assert.deepEqual(sorted.map((item) => item.id), ['plan-300', 'plan-100', 'manual-old']);
  assert.deepEqual(plans.map((item) => item.id), ['plan-100', 'manual-old', 'plan-300']);
});