{# Cart contents, swapped in via htmx on quantity change / removal so the page
   never does a full reload. Rendered inside <div id="cart-body"> in cart.html
   and returned on its own by /cart/update and /cart/remove. #}
{% if items | length > 0 %}
<div class="overflow-hidden rounded-radius border border-outline dark:border-outline-dark">
  <table class="w-full text-left text-sm">
    <thead class="border-b border-outline bg-surface-alt text-xs uppercase tracking-wide text-on-surface/70 dark:border-outline-dark dark:bg-surface-dark-alt dark:text-on-surface-dark/70">
      <tr>
        <th class="px-4 py-3 font-semibold">{{ t(key="product", lang=lang | default(value='sk')) }}</th>
        <th class="px-4 py-3 font-semibold">{{ t(key="price", lang=lang | default(value='sk')) }}</th>
        <th class="px-4 py-3 font-semibold">{{ t(key="quantity", lang=lang | default(value='sk')) }}</th>
        <th class="px-4 py-3 text-right font-semibold">{{ t(key="cart-total", lang=lang | default(value='sk')) }}</th>
        <th class="px-4 py-3"></th>
      </tr>
    </thead>
    <tbody class="divide-y divide-outline dark:divide-outline-dark">
      {% for item in items %}
      <tr>
        <td class="px-4 py-3">
          <a href="/shop/{{ item.slug }}" class="font-medium text-on-surface-strong hover:text-primary dark:text-on-surface-dark-strong dark:hover:text-primary-dark">{{ item.name }}</a>
        </td>
        <td class="px-4 py-3 tabular-nums">{{ item.price }} {{ item.currency }}</td>
        <td class="px-4 py-3">
          {# Changing the quantity posts via htmx (custom `cartchange` event) and
             swaps only #cart-body. Dropping to 0 asks for confirmation first,
             reverting to the previous quantity if the customer cancels. #}
          <form method="post" action="/cart/update"
            hx-post="/cart/update" hx-trigger="cartchange" hx-target="#cart-body" hx-swap="innerHTML">
            <input type="hidden" name="product_id" value="{{ item.id }}">
            <input type="number" name="quantity" min="0" max="{{ item.stock }}" value="{{ item.quantity }}"
              @change="
                if (parseInt($el.value || '0') <= 0 && !window.confirm('{{ t(key='cart-remove-confirm', lang=lang | default(value='sk')) }}')) {
                  $el.value = '{{ item.quantity }}';
                } else {
                  $el.dispatchEvent(new Event('cartchange', { bubbles: true }));
                }
              "
              class="w-20 rounded-radius border border-outline bg-surface px-2 py-1 text-sm text-on-surface focus:outline-2 focus:outline-primary dark:border-outline-dark dark:bg-surface-dark dark:text-on-surface-dark">
          </form>
        </td>
        <td class="px-4 py-3 text-right font-medium tabular-nums">{{ item.line_total }} {{ item.currency }}</td>
        <td class="px-4 py-3 text-right">
          <form method="post" action="/cart/remove"
            hx-post="/cart/remove" hx-target="#cart-body" hx-swap="innerHTML">
            <input type="hidden" name="product_id" value="{{ item.id }}">
            <button type="submit" class="text-xs font-medium text-danger hover:underline">{{ t(key="cart-remove", lang=lang | default(value='sk')) }}</button>
          </form>
        </td>
      </tr>
      {% endfor %}
    </tbody>
    <tfoot class="border-t border-outline dark:border-outline-dark">
      <tr>
        <td colspan="3" class="px-4 py-3 text-right font-semibold text-on-surface-strong dark:text-on-surface-dark-strong">{{ t(key="cart-total", lang=lang | default(value='sk')) }}</td>
        <td class="px-4 py-3 text-right text-lg font-bold tabular-nums text-primary dark:text-primary-dark">{{ total }} {{ currency }}</td>
        <td></td>
      </tr>
    </tfoot>
  </table>
</div>

<div class="mt-6 flex flex-wrap justify-between gap-3">
  <a href="/shop" class="inline-flex items-center rounded-radius border border-outline px-4 py-2 text-sm font-medium text-on-surface transition hover:bg-surface-alt dark:border-outline-dark dark:text-on-surface-dark dark:hover:bg-surface-dark-alt">{{ t(key="cart-continue", lang=lang | default(value='sk')) }}</a>
  <a href="/checkout" class="inline-flex items-center justify-center rounded-radius bg-primary px-5 py-2 text-sm font-medium tracking-wide text-on-primary transition hover:opacity-75 dark:bg-primary-dark dark:text-on-primary-dark">{{ t(key="cart-checkout", lang=lang | default(value='sk')) }}</a>
</div>
{% else %}
<div class="rounded-radius border border-outline px-6 py-16 text-center dark:border-outline-dark">
  <p class="text-on-surface/70 dark:text-on-surface-dark/70">{{ t(key="cart-empty", lang=lang | default(value='sk')) }}</p>
  <a href="/shop" class="mt-4 inline-flex items-center justify-center rounded-radius bg-primary px-4 py-2 text-sm font-medium text-on-primary transition hover:opacity-75 dark:bg-primary-dark dark:text-on-primary-dark">{{ t(key="cart-continue", lang=lang | default(value='sk')) }}</a>
</div>
{% endif %}