{{ $content := .Content }}

<!-- Change checkbox icons -->
{{ if findRE `<input.*type="checkbox"` $content }}
  <!-- first replace the li with task-list-item class -->
  {{ $content = replaceRE `<li>(\s*)<input` `<li class="task-list-item">$1<input` $content }}
  {{ $content = replaceRE `<li class="([^"]*)"(\s*)<input` `<li class="task-list-item $1"$2<input` $content }}
  
  <!-- then add task-list class to the parent ul of the li with task-list-item class -->
  {{ $content = replaceRE `<ul>(\s*)<li class="task-list-item` `<ul class="task-list">$1<li class="task-list-item` $content }}
  {{ $content = replaceRE `<ul class="([^"]*)"(\s*)<li class="task-list-item` `<ul class="task-list $1"$2<li class="task-list-item` $content }}
  
  <!-- replace all checked checkbox format -->
  {{ $content = replaceRE `<input.*?checked.*?type="checkbox".*?>` `<i class="fas fa-check-circle fa-fw checked"></i>` $content }}
  {{ $content = replaceRE `<input.*?type="checkbox".*?checked.*?>` `<i class="fas fa-check-circle fa-fw checked"></i>` $content }}
  
  <!-- replace all unchecked checkbox format -->
  {{ $content = replaceRE `<input.*?type="checkbox".*?>` `<i class="far fa-circle fa-fw"></i>` $content }}
{{ end }}

<!-- Create heading anchors -->
{{ $headingLevels := slice "2" "3" "4" "5" }}
{{ $headingContent := $content }}

{{ range $level := $headingLevels }}
  {{ $markStart := printf `<h%s id="` $level }}
  {{ $markEnd := printf `</h%s>` $level }}
  
  {{ $pattern := printf `%s([^"]+)">(.*?)%s` $markStart $markEnd }}
  {{ $replacement := printf `%s$1"><span class="me-2">$2</span><a href="#$1" class="anchor text-muted"><i class="fas fa-hashtag"></i></a>%s` $markStart $markEnd }}
  {{ $headingContent = replaceRE $pattern $replacement $headingContent }}
{{ end }}

{{ $content = $headingContent | safeHTML }}

<!-- Insert code header after highlight div and extract language from code class or file attribute -->
{{ if findRE `<div class="highlight"` $content }}
  <!-- Add a special marker at the beginning of every <div class="highlight"> -->
  {{ $content = replaceRE `<div class="highlight"` `<div class="CHIRPY-HIGHLIGHT-MARKER highlight"` $content }}
  
  <!-- Process highlight divs with file attribute -->
  {{ $content = replaceRE `<div class="CHIRPY-HIGHLIGHT-MARKER highlight"([^>]*?)file="([^"]*)"([^>]*?)>` `<div class="highlight"$1file="$2"$3><div class="code-header"> <span data-label-text="$2"><i class="far fa-file-code fa-fw"></i></span> <button aria-label="copy" data-title-succeed="Copied!"><i class="far fa-clipboard"></i></button></div>` $content }}
  
  <!-- Process remaining highlight divs that still have the marker (no file attribute) -->
  {{ $content = replaceRE `<div class="CHIRPY-HIGHLIGHT-MARKER highlight"([^>]*?)>([\s\S]*?)<code class="language-([^"]*)"` `<div class="highlight"$1><div class="code-header"> <span data-label-text-language="$3"><i class="fas fa-code fa-fw small"></i></span> <button aria-label="copy" data-title-succeed="Copied!"><i class="far fa-clipboard"></i></button></div>$2<code class="language-$3"` $content }}
  
  <!-- Process language aliases in data-label-text -->
  {{ $pattern := `<span data-label-text-language="([^"]*)"` }}
  
  <!-- 查找所有语言标签，逐个处理 -->
  {{ range findRE $pattern $content -1 }}
    {{ $langRaw := replaceRE $pattern "$1" . }}
    {{ $langNormalized := partial "language-alias.html" (dict "language" $langRaw) }}
    
    {{ if ne $langNormalized "" }}
      {{ $replacement := printf `<span data-label-text="%s"` $langNormalized }}
      {{ $original := printf `<span data-label-text-language="%s"` $langRaw }}
      {{ $content = replace $content $original $replacement }}
    {{ end }}
  {{ end }}
{{ end }}

{{ $content | safeHTML }}