{# 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. #}
{% import "macros/ui.html" as ui %}
{% if items | length > 0 %}
<div class="{{ ui::table_wrap_cls() }}">
  <table class="{{ ui::table_cls() }}">
    <thead class="{{ ui::thead_cls() }}">
      <tr>
        {{ ui::th(label=t(key="product", lang=lang | default(value='sk'))) }}
        {{ ui::th(label=t(key="price", lang=lang | default(value='sk'))) }}
        {{ ui::th(label=t(key="quantity", lang=lang | default(value='sk'))) }}
        {{ ui::th(label=t(key="cart-total", lang=lang | default(value='sk')), align="text-right") }}
        {{ ui::th(label="") }}
      </tr>
    </thead>
    <tbody class="{{ ui::tbody_cls() }}">
      {% 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">
          {% if item.on_sale %}
          <span class="font-medium text-danger">{{ item.price }} {{ item.currency }}</span>
          <span class="ml-1 text-xs text-on-surface/50 line-through dark:text-on-surface-dark/50">{{ item.regular_price }}</span>
          {% else %}
          {{ item.price }} {{ item.currency }}
          {% endif %}
        </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">
  {{ ui::csrf_field() }}
            <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-alt px-2 py-1 text-sm text-on-surface focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary disabled:cursor-not-allowed disabled:opacity-75 dark:border-outline-dark dark:bg-surface-dark-alt/50 dark:text-on-surface-dark dark:focus-visible:outline-primary-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">
  {{ ui::csrf_field() }}
            <input type="hidden" name="product_id" value="{{ item.id }}">
            {{ ui::button(variant="ghost-danger", label=t(key="cart-remove", lang=lang | default(value='sk')), type="submit", size="px-2 py-1 text-xs") }}
          </form>
        </td>
      </tr>
      {% endfor %}
    </tbody>
    <tfoot class="{{ ui::tfoot_cls() }}">
      <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">
  {{ ui::button(variant="outline-secondary", label=t(key="cart-continue", lang=lang | default(value='sk')), href="/shop") }}
  {{ ui::button(label=t(key="cart-checkout", lang=lang | default(value='sk')), href="/checkout", size="px-5 py-2 text-sm", attrs='hx-boost="false"') }}
</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>
  {{ ui::button(label=t(key="cart-continue", lang=lang | default(value='sk')), href="/shop", extra="mt-4") }}
</div>
{% endif %}