{# ── Notification bell + dropdown (v4.9.0) ──
   Self-contained Alpine component. Polls unread count, opens a panel of
   notifications, marks as read. Only rendered for authenticated users. #}
{% if user and user.get('id') %}
<span class="topbar-btn fd-notif-bell" x-data="fdNotifications()" x-init="init()"
      @click.outside="open=false" style="position:relative;display:inline-flex;">
  <button type="button" class="topbar-btn" @click="toggle()" title="Notifications"
          style="padding:6px;position:relative;border:none;background:none;cursor:pointer;color:var(--text);">
    {{ fd_icon("bell", 16) }}
    <span x-show="unread > 0" x-cloak
          class="fd-notif-badge"
          x-text="unread > 99 ? '99+' : unread"
          style="position:absolute;top:0;right:0;background:#E03E3E;color:#fff;
                 border-radius:10px;font-size:10px;line-height:1;padding:3px 5px;
                 font-weight:700;min-width:16px;text-align:center;transform:translate(30%,-30%);"></span>
  </button>

  <div x-show="open" x-cloak x-transition
       class="fd-notif-panel"
       style="position:absolute;top:calc(100% + 6px);right:0;width:340px;max-width:92vw;
              background:var(--bg-primary,#1f1f1f);border:1px solid var(--border,#333);
              border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.45);overflow:hidden;z-index:2000;">
    <div class="fd-notif-header"
         style="display:flex;align-items:center;justify-content:space-between;padding:10px 14px;
                border-bottom:1px solid var(--border,#333);font-weight:600;font-size:14px;">
      <span>Notifications</span>
      <button type="button" class="btn-sm" @click="markAllRead()" x-show="unread > 0"
              style="font-size:12px;cursor:pointer;">Mark all read</button>
    </div>
    <div class="fd-notif-list" style="max-height:360px;overflow-y:auto;">
      <template x-for="n in items" :key="n.id">
        <a :href="n.url || '#'" @click.prevent="openItem(n)"
           class="fd-notif-item"
           style="display:flex;gap:10px;padding:10px 14px;text-decoration:none;color:var(--text);
                  border-bottom:1px solid var(--border,#2a2a2a);cursor:pointer;"
           :style="{ background: n.is_read ? 'transparent' : 'rgba(35,131,226,.10)' }">
          <div style="width:30px;height:30px;border-radius:50%;flex-shrink:0;
                      display:flex;align-items:center;justify-content:center;
                      font-weight:700;font-size:14px;color:#fff;"
               :style="{ background: n.actor_color || '#3A3A3A' }">
            <template x-if="n.actor_avatar">
              <img :src="n.actor_avatar" style="width:30px;height:30px;border-radius:50%;object-fit:cover;">
            </template>
            <span x-show="!n.actor_avatar" x-text="(n.actor_name || n.actor_login || '?').charAt(0).toUpperCase()"></span>
          </div>
          <div style="flex:1;min-width:0;">
            <div style="font-size:13px;font-weight:600;color:var(--text);" x-text="n.title"></div>
            <div style="font-size:12px;color:var(--text-dim,#999);margin-top:2px;white-space:normal;
                        display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;"
                 x-text="n.message"></div>
            <div style="font-size:11px;color:var(--text-tertiary,#777);margin-top:4px;" x-text="timeAgo(n.created_at)"></div>
          </div>
        </a>
      </template>
      <div x-show="!loading && items.length === 0"
           style="padding:24px;text-align:center;color:var(--text-dim,#999);font-size:13px;">
        You're all caught up 🎉
      </div>
      <div x-show="loading" style="padding:24px;text-align:center;color:var(--text-dim,#999);">Loading…</div>
    </div>
  </div>
</span>

<script>
document.addEventListener('alpine:init', function () {
  if (window.Alpine && window.Alpine.__fdNotificationsRegistered) return;
  if (window.Alpine) window.Alpine.__fdNotificationsRegistered = true;
  Alpine.data('fdNotifications', function () {
    return {
      open: false, items: [], unread: 0, loading: false, _timer: null,
      init() {
        this.load();
        var self = this;
        this._timer = setInterval(function () { self.refreshCount(); }, 30000);
      },
      toggle() { this.open = !this.open; if (this.open) this.load(); },
      timeAgo(s) {
        if (!s) return '';
        var t = new Date((String(s).includes('Z') || String(s).includes('T') ? s : s + 'Z'));
        if (isNaN(t.getTime())) t = new Date(s);
        var diff = Math.floor((Date.now() - t.getTime()) / 1000);
        if (diff < 60) return 'just now';
        if (diff < 3600) return Math.floor(diff / 60) + 'm ago';
        if (diff < 86400) return Math.floor(diff / 3600) + 'h ago';
        return Math.floor(diff / 86400) + 'd ago';
      },
      csrf() {
        return (document.cookie.match(/csrf_token=([^;]+)/) || [])[1] || '';
      },
      refreshCount() {
        var self = this;
        fetch('/api/notifications/unread-count', { credentials: 'same-origin' })
          .then(function (r) { return r.json(); })
          .then(function (d) { self.unread = d.unread || 0; })
          .catch(function () {});
      },
      load() {
        var self = this;
        this.loading = true;
        fetch('/api/notifications?limit=50', { credentials: 'same-origin' })
          .then(function (r) { return r.json(); })
          .then(function (d) {
            self.items = d.notifications || [];
            self.unread = d.unread || 0;
            self.loading = false;
          })
          .catch(function () { self.loading = false; });
      },
      openItem(n) {
        if (!n.is_read) {
          var self = this;
          fetch('/api/notifications/read', {
            method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': this.csrf() },
            body: JSON.stringify({ id: n.id })
          }).then(function () { self.refreshCount(); self.load(); });
        }
        if (n.url) window.location.href = n.url;
        this.open = false;
      },
      markAllRead() {
        var self = this;
        fetch('/api/notifications/read', {
          method: 'POST', headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': this.csrf() },
          body: JSON.stringify({})
        }).then(function () { self.refreshCount(); self.load(); });
      }
    };
  });
});
</script>
{% endif %}