{% extends "ui/templates/base/layout.html" %}
{% block content %}
<section class="space-y-6">
  <div class="rounded-3xl border border-slate-200 bg-white p-6 shadow-soft">
    <div class="flex flex-col gap-4 lg:flex-row lg:items-center lg:justify-between">
      <div>
        <p class="text-xs font-semibold uppercase tracking-[0.24em] text-brand-600">Role-wise Reports Centre V2</p>
        <h1 class="mt-2 text-2xl font-bold text-slate-900">Unified Reports Centre</h1>
        <p class="mt-1 text-sm text-slate-500">Use one role-aware place to open your dashboards, existing reports, portals and audit views.</p>
      </div>
      <div class="grid grid-cols-2 gap-2 text-center sm:grid-cols-4">
        <div class="rounded-2xl bg-slate-50 px-4 py-3">
          <div class="text-lg font-bold text-slate-900">{{ report_summary.total }}</div>
          <div class="text-xs text-slate-500">Available</div>
        </div>
        <div class="rounded-2xl bg-slate-50 px-4 py-3">
          <div class="text-lg font-bold text-slate-900">{{ report_summary.dashboards }}</div>
          <div class="text-xs text-slate-500">Dashboards</div>
        </div>
        <div class="rounded-2xl bg-slate-50 px-4 py-3">
          <div class="text-lg font-bold text-slate-900">{{ report_summary.portals }}</div>
          <div class="text-xs text-slate-500">Portals</div>
        </div>
        <div class="rounded-2xl bg-slate-50 px-4 py-3">
          <div class="text-lg font-bold text-slate-900">{{ report_summary.modules }}</div>
          <div class="text-xs text-slate-500">Modules</div>
        </div>
      </div>
    </div>

    <div class="mt-6 flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
      <div class="overflow-x-auto">
        <div class="flex min-w-max gap-2 rounded-2xl bg-slate-100 p-1">
          {% for tab in report_tabs %}
          <a href="/reports?tab={{ tab.key }}"
             data-reports-tab="{{ tab.key }}"
             class="reports-tab rounded-xl px-4 py-2 text-sm font-semibold transition {% if active_tab == tab.key %}bg-white text-brand-700 shadow-soft{% else %}text-slate-600 hover:bg-white hover:text-slate-900{% endif %}">
            {{ tab.label }}
            <span class="ml-1 rounded-full bg-white/70 px-2 py-0.5 text-xs text-slate-500">{{ tab.count }}</span>
          </a>
          {% endfor %}
        </div>
      </div>
      <div class="w-full lg:w-80">
        <label for="reports-search" class="sr-only">Search reports</label>
        <input id="reports-search" type="search" placeholder="Search report cards..." class="w-full rounded-2xl border border-slate-200 bg-white px-4 py-2 text-sm text-slate-700 outline-none focus:border-brand-400 focus:ring-2 focus:ring-brand-100">
      </div>
    </div>
  </div>

  <div id="reports-centre-panel" data-initial-tab="{{ active_tab }}" class="min-h-[360px]">
    <div class="rounded-3xl border border-slate-200 bg-white p-8 text-center text-sm text-slate-500 shadow-soft">Loading reports...</div>
  </div>
</section>

<script>
(function () {
  const panel = document.getElementById('reports-centre-panel');
  const tabs = Array.from(document.querySelectorAll('[data-reports-tab]'));
  const searchInput = document.getElementById('reports-search');
  if (!panel || !tabs.length) return;

  function setActive(tabName) {
    tabs.forEach((tab) => {
      const active = tab.dataset.reportsTab === tabName;
      tab.classList.toggle('bg-white', active);
      tab.classList.toggle('text-brand-700', active);
      tab.classList.toggle('shadow-soft', active);
      tab.classList.toggle('text-slate-600', !active);
    });
  }

  function applySearch() {
    const query = (searchInput && searchInput.value || '').trim().toLowerCase();
    const cards = Array.from(panel.querySelectorAll('[data-report-card]'));
    let shown = 0;
    cards.forEach((card) => {
      const haystack = (card.dataset.searchText || card.textContent || '').toLowerCase();
      const visible = !query || haystack.includes(query);
      card.classList.toggle('hidden', !visible);
      if (visible) shown += 1;
    });
    const empty = panel.querySelector('[data-report-search-empty]');
    if (empty) empty.classList.toggle('hidden', !query || shown > 0);
  }

  async function loadTab(tabName, pushState) {
    setActive(tabName);
    panel.innerHTML = '<div class="rounded-3xl border border-slate-200 bg-white p-8 text-center text-sm text-slate-500 shadow-soft">Loading...</div>';
    try {
      const response = await fetch('/reports/tab/' + encodeURIComponent(tabName), {
        headers: { 'X-Requested-With': 'fetch' }
      });
      if (!response.ok) throw new Error('Tab load failed');
      panel.innerHTML = await response.text();
      applySearch();
      if (pushState) {
        const url = new URL(window.location.href);
        url.searchParams.set('tab', tabName);
        history.pushState({ tab: tabName }, '', url.toString());
      }
    } catch (err) {
      panel.innerHTML = '<div class="rounded-3xl border border-red-200 bg-red-50 p-6 text-sm text-red-700 shadow-soft">Unable to load this reports tab. Please refresh the page.</div>';
    }
  }

  tabs.forEach((tab) => {
    tab.addEventListener('click', function (event) {
      event.preventDefault();
      loadTab(tab.dataset.reportsTab, true);
    });
  });

  if (searchInput) {
    searchInput.addEventListener('input', applySearch);
  }

  window.addEventListener('popstate', function () {
    const url = new URL(window.location.href);
    loadTab(url.searchParams.get('tab') || 'overview', false);
  });

  loadTab(panel.dataset.initialTab || 'overview', false);
})();
</script>
{% endblock %}