import assert from 'node:assert/strict';
import test, { after } from 'node:test';
import { fileURLToPath } from 'node:url';
import { createServer } from 'vite';

const vite = await createServer({
  root: fileURLToPath(new URL('..', import.meta.url)),
  configFile: false,
  optimizeDeps: { noDiscovery: true },
  server: { middlewareMode: true },
  appType: 'custom'
});

after(async () => {
  await vite.close();
});

const learning = await vite.ssrLoadModule('/src/services/learning.ts');
const { selectLearningTopic } = learning;

const assignment = (overrides = {}) => ({
  source: 'manual',
  status: '待完成',
  scenarioName: '',
  ...overrides
});

test('优先选择第一条未完成且非 daily 的非空专项场景', () => {
  const topic = selectLearningTopic([
    assignment({ source: 'daily', scenarioName: '每日三题' }),
    assignment({ status: '已完成', scenarioName: '催费沟通' }),
    assignment({ scenarioName: '   ' }),
    assignment({ scenarioName: '  客服应对投诉  ' }),
    assignment({ scenarioName: '电梯困人处置' })
  ], '生活顾问 岗前 SOP');

  assert.equal(topic, '客服应对投诉');
});

test('无未完成专项时选择第一条非 daily 的非空场景', () => {
  const topic = selectLearningTopic([
    assignment({ source: 'daily', status: '已完成', scenarioName: '每日三题' }),
    assignment({ status: '已完成', scenarioName: '催费沟通' }),
    assignment({ status: '已完成', scenarioName: '客户投诉处理' })
  ], '生活顾问 岗前 SOP');

  assert.equal(topic, '催费沟通');
});

test('无可用专项场景时回退到调用方的岗位默认主题', () => {
  const topic = selectLearningTopic([
    assignment({ source: 'daily', scenarioName: '每日三题' }),
    assignment({ scenarioName: '  ' })
  ], '生活顾问 岗前 SOP');

  assert.equal(topic, '生活顾问 岗前 SOP');
});

test('专项场景名进入 topics 且去重，同时保留岗位默认主题和快捷问句', () => {
  const topics = learning.buildLearningTopics?.([
    assignment({ scenarioName: '  客服应对投诉  ' }),
    assignment({ status: '已完成', scenarioName: '客服应对投诉' }),
    assignment({ source: 'daily', scenarioName: '每日三题' }),
    assignment({ scenarioName: '' }),
    assignment({ scenarioName: '电梯困人处置' })
  ], '生活顾问 岗前 SOP', ['催费话术', '投诉应对']) ?? [];

  assert.deepEqual(topics, [
    '生活顾问 岗前 SOP',
    '客服应对投诉',
    '电梯困人处置',
    '催费话术',
    '投诉应对'
  ]);
});