<%
function generate_title() {
  if (page.layout == 'wiki' && page.wiki && (page.title || page.seo_title)) {
    return page.wiki + __('symbol.colon') + (page.seo_title || page.title) + ' - ' + config.title;
  } else if (page.seo_title || page.title || page.wiki) {
    return (page.seo_title || page.title || page.wiki) + ' - ' + config.title;
  } else if (page.category) {
    return __('btn.category') + __('symbol.colon') + page.category + ' - ' + config.title;
  } else if (page.tag) {
    return __('btn.tag') + __('symbol.colon') + page.tag + ' - ' + config.title;
  } else {
    return config.title;
  }
  return '';
}
function generate_description() {
  // 索引页
  if (theme.open_graph && theme.open_graph.enable) {
    return '';
  }
  if (page.description || page.excerpt || page.content) {
    return '<meta name="description" content="' + truncate(strip_html(page.description || page.excerpt || page.content), {length: 150}) + '">';
  }
  return '<meta name="description" content="' + config.description + '">';
}

function generate_robots() {
  if (is_home() == true) {
    return '';
  }
  if (page.robots) {
    return '<meta name="robots" content="' + page.robots + '">';
  }
}
function og_args() {
  var args = {};
  if (theme.open_graph.twitter_id) {
    args.twitter_id = theme.open_graph.twitter_id;
  }
  if (page.layout == 'post' && page.cover) {
    args.twitter_card = 'summary_large_image';
  }
  return args;
}
%>
<head>
  <%- meta_generator() %>
  <meta charset="utf-8">
  <%- generate_robots() %>

  <meta http-equiv='x-dns-prefetch-control' content='on' />
  <link rel='dns-prefetch' href='https://cdn1.tianli0.top'>
  <link rel="preconnect" href="https://cdn1.tianli0.top" crossorigin>
  <link rel='dns-prefetch' href='//unpkg.com'>

  <meta name="renderer" content="webkit">
  <meta name="force-rendering" content="webkit">
  <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
  <meta name="HandheldFriendly" content="True" >
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <meta name="theme-color" content="#f8f8f8">
  <title><%- generate_title() %></title>

  <% if (theme.open_graph && theme.open_graph.enable) { %>
    <%- open_graph(og_args()) %>
  <% } %>
  <%- generate_description() %>

  <!-- feed -->
  <% if (config.feed && config.feed.path) { %>
    <%- feed_tag(config.feed.path, {title: config.title}) %>
  <% } %>

  <% if (theme.stellar.cdn_css) { %>
    <%- css(theme.stellar.cdn_css) %>
  <% } else { %>
    <%- css('/css/main.css') %>
  <% } %>

  <% if (config.favicon) { %>
    <%- favicon_tag(config.favicon) %>
  <% } %>

  <% if (config.highlight && config.highlight.enable == true && config.highlight.hljs == true) { %>
    <%- css(theme.style.codeblock.highlightjs_theme) %>
  <% } %>

  <% if (theme.plugins.katex && theme.plugins.katex.enable) { %>
    <%- theme.plugins.katex.min_css %>
    <%- theme.plugins.katex.min_js %>
    <%- theme.plugins.katex.auto_render_min_js %>
  <% } %>


  <% if (config.inject && config.inject.head){ %>
    <% (config.inject.head||[]).forEach(function(item){ %>
      <%- item %>
    <% }) %>
  <% } %>
</head>
