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

const root = path.resolve(__dirname, '../..')
const read = file => fs.readFileSync(path.join(root, file), 'utf8')

const hooks = read('inc/core-hooks.php')
const domain = read('src/Core/DomainModel.php')
const tags = read('inc/helpers/aksrt-frontend-tags.php')

test('admin post list has the interaction stats column', () => {
  assert.match(hooks, /manage_post_posts_columns/)
  assert.match(hooks, /互动数据/)
  assert.match(hooks, /manage_post_posts_custom_column/)
  assert.match(hooks, /\$column !== 'aksrt_stats'/)
})

test('interaction counts are read from the keys the theme actually writes', () => {
  // 计数一律落在这几个 meta key 上：aksrt_post_views / _aksrt_like_count /
  // _aksrt_favorite_count / _aksrt_res_download_count。列回调只能用同一套键，
  // 否则全列恒为 0。旧实现读 'views' / 'like' / 'favorite'，仓库里没有任何写入方。
  assert.match(tags, /'_aksrt_like_count'/)
  assert.match(tags, /'_aksrt_favorite_count'/)
  assert.match(tags, /'aksrt_post_views'/)

  assert.match(hooks, /aksrt_get_post_views\(\$post_id\)/)
  assert.match(hooks, /aksrt_get_post_likes\(\$post_id\)/)
  assert.match(hooks, /aksrt_get_post_favorites\(\$post_id\)/)

  // 资源下载量只有 _aksrt_res_download_count 一个写入键。
  assert.match(hooks, /DomainModel::RESOURCE_DOWNLOAD_COUNT_KEY/)
  assert.match(domain, /RESOURCE_DOWNLOAD_COUNT_KEY\s*=\s*'_aksrt_res_download_count'/)

  // 不得再直接读这些不存在的键（'download_count' 只作为历史遗留键回退读取）。
  const column = hooks.slice(hooks.indexOf('manage_post_posts_custom_column'), hooks.indexOf('Support sorting by'))
  assert.doesNotMatch(column, /get_post_meta\(\$post_id, 'views'/)
  assert.doesNotMatch(column, /get_post_meta\(\$post_id, 'like'/)
  assert.doesNotMatch(column, /get_post_meta\(\$post_id, 'favorite'/)
})

test('admin stats column shares the aksrt_format_number abbreviation', () => {
  // 后台列与前台必须同一套缩写口径（≥10000 → 1.2W+，≥1000 → 1.5K）。
  // 旧实现用了前台从未用过的「万」后缀。
  assert.match(hooks, /aksrt_format_number\(\$n\)/)
  const column = hooks.slice(hooks.indexOf('manage_post_posts_custom_column'), hooks.indexOf('Support sorting by'))
  assert.doesNotMatch(column, /'万'/)
})

test('sortable meta maps the public orderby keys to the stored keys', () => {
  assert.match(hooks, /'views'\s*=>\s*\\AKSRT\\Core\\DomainModel::POST_VIEW_COUNT_KEY/)
  assert.match(hooks, /'like'\s*=>\s*'_aksrt_like_count'/)
  assert.match(hooks, /'favorite'\s*=>\s*'_aksrt_favorite_count'/)
  assert.match(hooks, /'download_count'\s*=>\s*\\AKSRT\\Core\\DomainModel::RESOURCE_DOWNLOAD_COUNT_KEY/)
  // meta_key 必须是真实存储键，而不是用户可见的排序键。
  assert.match(hooks, /\$query->set\('meta_key', \$allowed\[\$orderby\]\)/)
})

test('every counter meta key the admin column renders has a writer', () => {
  // 逐键核对：列里展示的每项计数都必须在某个 helper 里真正被写入过。
  const sources = [
    'inc/core-hooks.php',
    'inc/helpers/aksrt-frontend-tags.php',
    'src/Core/PostMetaBox.php',
    'src/Frontend/PageAdminSet.php',
  ].map(read).join('\n')

  for (const key of ['aksrt_post_views', '_aksrt_like_count', '_aksrt_favorite_count']) {
    assert.ok(sources.includes(`'${key}'`), `${key} is written somewhere`)
  }
  // 资源帖的浏览有独立键，aksrt_get_post_views() 取两者较大值。
  assert.match(tags, /_aksrt_res_view_count/)
  assert.match(read('inc/helpers/aksrt-resource.php'), /RESOURCE_VIEW_COUNT_KEY|_aksrt_res_view_count/)

  // 资源下载走普通外链，主题内没有任何写入方，所以下载项只在 >0 时出现。
  // 万一将来接了下载统计，写入方必须落在同一个键上。
  assert.match(hooks, /\$downloads <= 0/)
  assert.match(hooks, /\$legacy_downloads/)
})

test('download count stays read-only until a writer exists', () => {
  // 目前没有任何 PHP 写入 _aksrt_res_download_count；若哪天新增了写入方，
  // 这里会失败，提示把该键也纳入后台列的统计口径。
  const php = ['inc', 'src', 'templates'].flatMap(dir =>
    fs.readdirSync(path.join(root, dir), { withFileTypes: true })
      .filter(e => e.isFile() && e.name.endsWith('.php'))
      .map(e => `${dir}/${e.name}`)
  ).filter(f => !f.includes('core-hooks') && !f.includes('DomainModel')).map(read).join('\n')
  const writers = php.match(/(?:update|add)_post_meta\([^)]*_aksrt_res_download_count/g) || []
  assert.equal(writers.length, 0, 'download count still has no writer')
})

test('admin column icons stay behind the Font Awesome enqueue on edit.php', () => {
  assert.match(hooks, /admin_enqueue_scripts[\s\S]*?edit\.php[\s\S]*?aksrt_enqueue_fontawesome\(\)/)
  for (const klass of ['fa-eye', 'fa-thumbs-up', 'fa-star', 'fa-download']) {
    assert.match(hooks, new RegExp(klass))
  }
})