const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const test = require('node:test');

const SiteNewsPages = require('../public/js/site-news-pages.js');
const newsPage = fs.readFileSync(path.resolve(__dirname, '../news.html'), 'utf8');
const detailPage = fs.readFileSync(path.resolve(__dirname, '../article-detail.html'), 'utf8');

const articleId = '2062179707935264769';

function articleFixture(overrides) {
  return Object.assign({
    articleId,
    articleType: 'notice',
    articleTitle: '平台公告',
    articleSummary: '公告摘要',
    articleContent: '第一行\n第二行',
    coverOssId: '2062179707935264701',
    externalUrl: 'https://example.com/notice',
    publishTime: '2026-07-30 09:00:00',
    sortOrder: 1,
    status: '0',
    remark: 'internal-only'
  }, overrides);
}

test('站点文章只保留完整 SiteArticleVo 的安全展示字段和字符串长 ID', () => {
  assert.deepEqual(SiteNewsPages.normalizeArticle(articleFixture()), {
    articleId,
    articleType: 'notice',
    articleTitle: '平台公告',
    articleSummary: '公告摘要',
    articleContent: '第一行\n第二行',
    externalUrl: 'https://example.com/notice',
    publishTime: '2026-07-30 09:00:00'
  });
  assert.equal(SiteNewsPages.normalizeArticle(articleFixture({
    articleId: Number.MAX_SAFE_INTEGER + 1
  })), null);
  assert.equal(SiteNewsPages.normalizeArticle(articleFixture({ articleId: '0' })), null);
});

test('站点文章拒绝 SQL 字典外类型、停用记录和空标题', () => {
  assert.equal(SiteNewsPages.normalizeArticle(articleFixture({ articleType: 'culture' })), null);
  assert.equal(SiteNewsPages.normalizeArticle(articleFixture({ status: '1' })), null);
  assert.equal(SiteNewsPages.normalizeArticle(articleFixture({ articleTitle: ' ' })), null);
  assert.equal(SiteNewsPages.normalizeArticleType('news'), 'news');
  assert.equal(SiteNewsPages.normalizeArticleType('notice'), 'notice');
  assert.equal(SiteNewsPages.normalizeArticleType('download'), 'download');
  assert.equal(SiteNewsPages.normalizeArticleType('culture'), '');
});

test('站点文章列表只接受直接数组且任一非法元素使整批失败', () => {
  assert.equal(SiteNewsPages.normalizeArticleList([articleFixture()]).length, 1);
  assert.deepEqual(SiteNewsPages.normalizeArticleList([]), []);
  assert.deepEqual(SiteNewsPages.normalizeArticleList({ rows: [articleFixture()] }), []);
  assert.deepEqual(SiteNewsPages.normalizeArticleList([
    articleFixture(),
    articleFixture({ articleId: '' })
  ]), []);
});

test('站点资讯列表使用响应 ID 生成详情链接并隐藏内部字段', () => {
  const html = SiteNewsPages.renderArticleList([articleFixture({
    articleTitle: '<script>alert(1)</script>',
    articleSummary: '<img src=x>',
    coverOssId: 'secret-oss',
    remark: 'secret-remark'
  })]);

  assert.match(html, /article-detail\.html\?articleId=2062179707935264769/);
  assert.match(html, /公告/);
  assert.match(html, /&lt;script&gt;/);
  assert.match(html, /&lt;img src=x&gt;/);
  assert.doesNotMatch(html, /<script|<img|secret-oss|secret-remark|coverOssId|sortOrder|status|remark/);
  assert.match(SiteNewsPages.renderArticleList([]), /当前暂无资讯/);
});

test('站点资讯详情转义正文、保留换行并只开放安全外链', () => {
  const html = SiteNewsPages.renderArticleDetail(articleFixture({
    articleContent: '<script>alert(1)</script>\n第二行'
  }));

  assert.match(html, /&lt;script&gt;alert\(1\)&lt;\/script&gt;<br \/>第二行/);
  assert.match(html, /href="https:\/\/example\.com\/notice"/);
  assert.match(html, /target="_blank"/);
  assert.match(html, /rel="noopener noreferrer"/);
  assert.doesNotMatch(html, /<script|coverOssId|secret-remark/);

  ['javascript:alert(1)', 'data:text/html,test', '/notice', 'notice.html', ''].forEach((value) => {
    const unsafeHtml = SiteNewsPages.renderArticleDetail(articleFixture({ externalUrl: value }));
    assert.doesNotMatch(unsafeHtml, /data-external-link/);
  });
});

test('站点文章外链只接受绝对 HTTP 或 HTTPS', () => {
  assert.equal(
    SiteNewsPages.normalizeExternalUrl(' https://example.com/notice '),
    'https://example.com/notice'
  );
  assert.equal(SiteNewsPages.normalizeExternalUrl('http://example.com'), 'http://example.com/');
  assert.equal(SiteNewsPages.normalizeExternalUrl('javascript:alert(1)'), '');
  assert.equal(SiteNewsPages.normalizeExternalUrl('/notice'), '');
});

test('资讯列表只提交已确认分类和系统 limit', async () => {
  const calls = [];
  const api = {
    async siteArticles(query) {
      calls.push(query);
      return [articleFixture()];
    }
  };

  assert.equal((await SiteNewsPages.loadArticles(api, 'notice')).length, 1);
  assert.equal((await SiteNewsPages.loadArticles(api, '')).length, 1);
  assert.deepEqual(calls, [
    { articleType: 'notice', limit: 100 },
    { limit: 100 }
  ]);
  await assert.rejects(SiteNewsPages.loadArticles(api, 'culture'), /资讯分类无效/);
  await assert.rejects(
    SiteNewsPages.loadArticles({
      async siteArticles() {
        return { rows: [articleFixture()] };
      }
    }, ''),
    /资讯列表响应无效/
  );
});

test('资讯详情只精确匹配 URL 中由列表产生的文章 ID', async () => {
  const api = {
    async siteArticles(query) {
      assert.deepEqual(query, { limit: 100 });
      return [
        articleFixture(),
        articleFixture({ articleId: '2062179707935264770', articleTitle: '另一条' })
      ];
    }
  };

  assert.equal((await SiteNewsPages.loadArticleDetail(api, articleId)).articleTitle, '平台公告');
  await assert.rejects(
    SiteNewsPages.loadArticleDetail(api, '2062179707935264771'),
    /资讯不存在或已下线/
  );
  await assert.rejects(
    SiteNewsPages.loadArticleDetail(api, Number.MAX_SAFE_INTEGER + 1),
    /资讯编号无效/
  );
});

test('详情 URL 只读取安全字符串文章 ID', () => {
  assert.equal(SiteNewsPages.readArticleId('?articleId=' + articleId), articleId);
  assert.equal(SiteNewsPages.readArticleId('?articleId=0'), '');
  assert.equal(SiteNewsPages.readArticleId('?articleId=unsafe'), '');
  assert.equal(SiteNewsPages.readArticleId(''), '');
});

test('官网资讯列表与详情页加载同一个公开内容 owner 且不暴露业务 ID', () => {
  assert.match(newsPage, /<body[^>]*data-site-news-page/);
  assert.match(newsPage, /data-site-news-list/);
  assert.match(newsPage, /data-site-news-status/);
  assert.match(newsPage, /news\.html\?articleType=news/);
  assert.match(newsPage, /news\.html\?articleType=notice/);
  assert.match(newsPage, /news\.html\?articleType=download/);
  assert.match(newsPage, /src="public\/js\/site-news-pages\.js"/);

  assert.match(detailPage, /<body[^>]*data-site-article-page/);
  assert.match(detailPage, /<title>资讯详情 - 代代相传<\/title>/);
  assert.match(detailPage, /data-site-article-detail/);
  assert.match(detailPage, /data-site-article-status/);
  assert.match(detailPage, /src="public\/js\/site-news-pages\.js"/);
  assert.doesNotMatch(detailPage, /src="public\/js\/article-pages\.js"/);
  assert.doesNotMatch(detailPage, /href="article-detail\.html"/);
  assert.doesNotMatch(newsPage + detailPage, /name="(?:articleId|coverOssId)"/);
});