<head>
  <!-- Meta tags -->
  <meta charset="UTF-8" />
  <meta
    name="description"
    content="{{if .IsHome}}{{$.Site.Data.config.description}}{{else}}{{.Summary}}{{end}}"
  />
  <title>
    {{ if .Title }}{{ .Title }}{{ else }}{{ $.Site.Data.config.page_title }}{{
    end }}
  </title>
  <meta name="viewport" content="width=device-width, initial-scale=1" />

  <!-- HTML Favicon -->
  {{ $favicon := $.Site.Data.config.favicon | default (slice (dict "rel" "shortcut icon" "type" "image/png" "href" "icon.png")) }}
  {{ $type := (printf "%T" $favicon) }}
  {{ if eq $type "string" }}
  {{ $favicon | safeHTML }}
  {{ else }}
  {{ range $favicon }}
  <link rel="{{.rel}}" {{if .type}}type="{{.type}}"{{end}} {{if .sizes}}sizes="{{.sizes}}"{{end}} href="{{$.Site.BaseURL}}/{{.href}}" />
  {{- end }}
  {{ end }}

  <!-- CSS Stylesheets and Fonts -->
  <link
    href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Source+Sans+Pro:wght@400;600;700&family=Fira+Code:wght@400;700&display=swap"
    rel="stylesheet"
  />
  {{$sass := resources.Match "styles/[!_]*.scss" }}
  {{$css := slice }}
  {{range $sass}}
  {{$scss := . | resources.ToCSS (dict "outputStyle" "compressed") }}
  {{$css = $css | append $scss}}
  {{end}}
  {{$finalCss := $css | resources.Concat "styles.css" | resources.Fingerprint "md5" | resources.Minify  }}
  <link href="{{$finalCss.Permalink}}" rel="stylesheet" />

  {{ $darkMode := resources.Get "js/darkmode.js" | resources.Fingerprint "md5" | resources.Minify }}
  <script src="{{$darkMode.Permalink}}"></script>
  {{partial "katex.html" .}}

  {{ $popover := resources.Get "js/popover.js" | resources.Fingerprint "md5" |
  resources.Minify }}
  <script src="{{$popover.Permalink}}"></script>

  <!--  Preload page vars  -->
  {{$linkIndex := resources.Get "indices/linkIndex.json" | resources.Fingerprint
  "md5" | resources.Minify | }} {{$contentIndex := resources.Get
  "indices/contentIndex.json" | resources.Fingerprint "md5" | resources.Minify
  }}
  <script>
    const BASE_URL = {{.Site.BaseURL}}
    const fetchData = Promise.all([
          fetch("{{ $linkIndex.Permalink }}")
            .then(data => data.json())
            .then(data => ({
              index: data.index,
              links: data.links,
            })),
          fetch("{{ $contentIndex.Permalink }}")
            .then(data => data.json()),
        ])
        .then(([{index, links}, content]) => ({
          index,
          links,
          content,
        }))

      const render = () => {
      // NOTE: everything within this callback will be executed for every page navigation. This is a good place to put JavaScript that loads or modifies data on the page, adds event listeners, etc. If you are only dealing with basic DOM replacement, use the init function

      const siteBaseURL = new URL(BASE_URL);
      const pathBase = siteBaseURL.pathname;
      const pathWindow = window.location.pathname;
      const isHome = pathBase == pathWindow;

      {{if $.Site.Data.config.enableFooter}}
      const container = document.getElementById("graph-container")
      // retry if the graph is not ready
      if (!container) return requestAnimationFrame(render)
      // clear the graph in case there is anything within it
      container.textContent = ""

      const drawGlobal = isHome && {{$.Site.Data.graphConfig.enableGlobalGraph}};
      drawGraph(
          {{strings.TrimRight "/" .Site.BaseURL}},
          drawGlobal,
          {{$.Site.Data.graphConfig.paths}},
          drawGlobal ? {{$.Site.Data.graphConfig.globalGraph}} : {{$.Site.Data.graphConfig.localGraph}}
        );

      {{end}}

      {{if $.Site.Data.config.enableLinkPreview}}
      initPopover(
        {{strings.TrimRight "/" .Site.BaseURL }},
        {{$.Site.Data.config.enableContextualBacklinks}},
        {{$.Site.Data.config.enableLatex}}
      )
      {{end}}
    }

    const init = (doc = document) => {
      // NOTE: everything within this callback will be executed for initial page navigation. This is a good place to put JavaScript that only replaces DOM nodes.
      {{if $.Site.Data.config.enableLatex}}
      renderMathInElement(doc.body, {
        delimiters: [
          {left: '$$', right: '$$', display: true},
          {left: '$', right: '$', display: false},
        ],
        throwOnError : false
      });
      {{end}}
    };
  </script>
  {{if $.Site.Data.config.enableSPA}}
  {{ $router := resources.Get "js/router.js" | resources.Fingerprint "md5" |
  resources.Minify }}
  <script type="module">
    import { attachSPARouting } from "{{$router.Permalink}}"
    attachSPARouting(init, render)
  </script>
  {{else}}
  <script>
    window.Million = {
      navigate: (url) => (window.location.href = url),
      prefetch: () => {},
    }

    window.addEventListener("DOMContentLoaded", () => {
      init()
      render()
    })
  </script>
  {{end}}
</head>
{{ template "_internal/google_analytics.html" . }}
