{{ define "left" }}
  {{- partial "sidebar/mainnav.html" . }}
{{ end }}

{{ define "main" }}
  {{- $tagOrder := slice "languages" "ai" "testing" "cicd" "observability" "security" "databases" "deployment" "admin" "labs" }}

  <div
    class="not-prose mx-auto flex min-h-[calc(100dvh-7rem)] max-w-7xl flex-col"
    x-data="{
      query: '',
      tagFilter: '',
      words() { return this.query.trim().toLowerCase().split(/\s+/).filter(Boolean) },
      textFiltering() { return this.query.trim().length > 0 },
      filtering() { return this.textFiltering() || this.tagFilter !== '' },
      matchText(text) { return this.words().every(w => text.includes(w)) },
      rowVisible(el) { return !this.textFiltering() || this.matchText(el.dataset.search) },
      sectionVisible(el) {
        if (this.tagFilter) return el.dataset.tag === this.tagFilter;
        if (this.textFiltering()) return Array.from(el.querySelectorAll('[data-guide]')).some(r => this.matchText(r.dataset.search));
        return true;
      },
      resultCount() {
        if (this.tagFilter) return document.querySelectorAll('section[data-tag=' + this.tagFilter + '] [data-guide]').length;
        return Array.from(document.querySelectorAll('[data-guide]')).filter(r => this.matchText(r.dataset.search)).length;
      },
      selectTag(tag) { this.tagFilter = this.tagFilter === tag ? '' : tag; this.query = ''; window.scrollTo({ top: 0, behavior: 'smooth' }); },
      clear() { this.query = ''; this.tagFilter = ''; }
    }"
  >
    {{- partial "breadcrumbs.html" . }}

    <div class="mt-4">
      <h1
        data-pagefind-weight="10"
        class="scroll-mt-36 text-5xl font-bold tracking-tight"
      >
        Guides
      </h1>
      {{- with .Description }}
        <p class="mt-3 text-lg text-gray-500 dark:text-gray-400">{{ . }}</p>
      {{- end }}
    </div>

    <!-- Text filter -->
    <div class="relative mt-8 mb-10 max-w-xl">
      <span
        class="icon-svg icon-sm pointer-events-none absolute top-1/2 left-3.5 -translate-y-1/2 text-gray-400 dark:text-gray-500"
      >
        {{ partialCached "icon" "magnifying-glass" "magnifying-glass" }}
      </span>
      <input
        type="search"
        x-model="query"
        @input="tagFilter = ''"
        @keydown.escape="clear()"
        aria-label="Filter guides"
        placeholder="Filter guides by name, topic, or tag…"
        class="w-full rounded-xl border border-gray-300 bg-white py-2.5 pr-10 pl-11 text-sm text-gray-900 shadow-sm transition placeholder:text-gray-400 focus:border-blue-400 focus:ring-2 focus:ring-blue-400/40 focus:outline-none dark:border-gray-700 dark:bg-gray-900 dark:text-gray-100 dark:placeholder:text-gray-500"
      />
      <button
        x-show="query"
        x-cloak
        @click="clear()"
        aria-label="Clear filter"
        class="icon-svg icon-sm absolute top-1/2 right-2.5 -translate-y-1/2 rounded-md p-1 text-gray-400 transition hover:bg-gray-100 hover:text-gray-700 dark:hover:bg-gray-800 dark:hover:text-gray-200"
      >
        {{ partialCached "icon" "x-mark" "x-mark" }}
      </button>
    </div>

    <div class="flex flex-1 gap-16 xl:gap-24">
      <!-- Sticky topic filter -->
      <nav class="sticky top-20 hidden w-52 flex-none flex-col self-start text-gray-500 xl:flex dark:text-gray-400">
        <p class="mb-3 text-xs font-semibold tracking-widest text-gray-400 uppercase dark:text-gray-500">
          Browse
        </p>
        <button
          type="button"
          @click="clear()"
          class="flex items-center justify-between py-1.5 text-left text-sm transition-colors"
          :class="!filtering() ? 'text-black dark:text-white font-medium' : 'text-gray-500 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100'"
        >
          <span class="flex items-center gap-2.5">
            <span>All guides</span>
          </span>
          <span class="text-xs tabular-nums text-gray-300 dark:text-gray-600">{{ len .RegularPagesRecursive }}</span>
        </button>
        {{- range $i, $tag := $tagOrder }}
          {{- $tagData := index hugo.Data.tags $tag }}
          {{- $pages := where $.RegularPagesRecursive "Params.tags" "intersect" (slice $tag) }}
          {{- if $pages }}
            <button
              type="button"
              @click="selectTag('{{ $tag }}')"
              class="flex items-center justify-between py-1.5 text-left text-sm transition-colors"
              :class="tagFilter === '{{ $tag }}' ? 'text-black dark:text-white font-medium' : 'text-gray-500 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100'"
            >
              <span class="flex items-center gap-2.5">
                <span>{{ $tagData.title }}</span>
              </span>
              <span class="text-xs tabular-nums text-gray-300 dark:text-gray-600">{{ len $pages }}</span>
            </button>
          {{- end }}
        {{- end }}
      </nav>

      <!-- Guide list -->
      <div
        class="min-w-0 flex-1"
        :class="{ 'guides-flat': filtering() }"
      >
        <!-- Featured: curated highlights, shown only in the default view -->
        {{- $featured := where $.RegularPagesRecursive "Params.featured" true }}
        {{- with $featured }}
          <div x-show="!filtering()" class="mb-12">
            <p class="mb-4 flex items-center gap-1.5 text-xs font-semibold tracking-widest text-gray-400 uppercase dark:text-gray-500">
              <span class="icon-svg icon-sm text-blue-500">{{ partialCached "icon" "star" "star" }}</span>
              Featured
            </p>
            <div class="grid gap-4 sm:grid-cols-2 xl:grid-cols-3">
              {{- range .ByWeight }}
                <a
                  href="{{ .Permalink }}"
                  class="group flex flex-col gap-1.5 rounded-lg border border-gray-200 p-4 transition-colors hover:border-gray-300 dark:border-gray-800 dark:hover:border-gray-700"
                >
                  <span class="font-medium leading-snug text-gray-900 transition-colors group-hover:text-blue-600 dark:text-gray-100 dark:group-hover:text-blue-400">{{ .Title }}</span>
                  <span class="line-clamp-2 text-sm leading-relaxed text-gray-500 dark:text-gray-400">{{ .Summary }}</span>
                </a>
              {{- end }}
            </div>
          </div>
        {{- end }}

        <!-- Filtering meta bar -->
        <div
          x-show="filtering()"
          x-cloak
          class="mb-8 flex items-center justify-between border-b border-gray-200 pb-4 dark:border-gray-800"
        >
          <p class="text-sm text-gray-500 dark:text-gray-400">
            <span class="font-semibold text-gray-900 dark:text-gray-100" x-text="resultCount()"></span>
            of {{ len .RegularPagesRecursive }} guides
          </p>
          <button
            @click="clear()"
            class="text-sm font-medium text-blue-600 transition hover:underline dark:text-blue-400"
          >
            Clear filter
          </button>
        </div>

        {{- range $i, $tag := $tagOrder }}
          {{- $tagData := index hugo.Data.tags $tag }}
          {{- $pages := where $.RegularPagesRecursive "Params.tags" "intersect" (slice $tag) }}
          {{- if $pages }}
            <section
              id="{{ $tag }}"
              data-tag="{{ $tag }}"
              x-show="sectionVisible($el)"
              class="scroll-mt-16 border-t border-gray-200 py-12 first:border-t-0 first:pt-0 dark:border-gray-800"
            >
              <div class="mb-6" x-show="!filtering()">
                <p class="mb-1 text-xs font-semibold tracking-widest text-gray-400 uppercase dark:text-gray-500">
                  {{- printf "%02d" (add $i 1) -}}
                </p>
                <h2 class="text-2xl font-bold">{{ $tagData.title }}</h2>
                {{- with $tagData.description }}
                  <p class="mt-1 text-gray-500 dark:text-gray-400">{{ . }}</p>
                {{- end }}
              </div>
              <div class="divide-y divide-gray-200 dark:divide-gray-800">
                {{- range $pages }}
                  {{- $tagTitles := slice }}
                  {{- range .Params.tags }}{{ $tagTitles = $tagTitles | append (index hugo.Data.tags .).title }}{{ end }}
                  {{- $search := lower (printf "%s %s %s %s" .Title .Summary (delimit .Params.tags " ") (delimit $tagTitles " ")) }}
                  {{- $search = $search | replaceRE "\\s+" " " }}
                  <div
                    data-guide
                    data-search="{{ $search }}"
                    x-show="rowVisible($el)"
                    class="grid grid-cols-[5fr_6fr] items-start gap-6 py-4"
                  >
                    <a
                      href="{{ .Permalink }}"
                      class="font-medium leading-snug text-gray-900 hover:underline dark:text-gray-100"
                    >{{ .Title }}</a>
                    <span class="text-sm leading-relaxed text-gray-500 dark:text-gray-400">{{ .Summary }}</span>
                  </div>
                {{- end }}
              </div>
            </section>
          {{- end }}
        {{- end }}

        <!-- No matches -->
        <div
          x-show="filtering() && resultCount() === 0"
          x-cloak
          class="flex flex-col items-center justify-center gap-3 py-24 text-center"
        >
          <span class="icon-svg icon-lg text-gray-300 dark:text-gray-600">
            {{ partialCached "icon" "magnifying-glass" "magnifying-glass" }}
          </span>
          <p class="text-gray-500 dark:text-gray-400">
            No guides match “<span class="font-medium text-gray-700 dark:text-gray-200" x-text="query"></span>”.
          </p>
          <button
            @click="clear()"
            class="text-sm font-medium text-blue-600 transition hover:underline dark:text-blue-400"
          >
            Clear filter
          </button>
        </div>
      </div>
    </div>
  </div>
{{ end }}