module Pagy::Frontend

def pagy_foundation_nav(pagy)
  link, p_prev, p_next = pagy_link_proc(pagy), pagy.prev, pagy.next
  html = EMPTY + (p_prev ? %(<li class="prev">#{link.call p_prev, pagy_t('pagy.nav.prev'), 'aria-label="previous"'}</li>)
                         : %(<li class="prev disabled">#{pagy_t('pagy.nav.prev')}</li>))
  pagy.series.each do |item| # series example: [1, :gap, 7, 8, "9", 10, 11, :gap, 36]
    html << if    item.is_a?(Integer); %(<li>#{link.call item}</li>)                        # page link
            elsif item.is_a?(String) ; %(<li class="current">#{item}</li>)                  # active page
            elsif item == :gap       ; %(<li class="ellipsis gap" aria-hidden="true"></li>) # page gap
            end
  end
  html << (p_next ? %(<li class="next">#{link.call p_next, pagy_t('pagy.nav.next'), 'aria-label="next"'}</li>)
                  : %(<li class="next disabled">#{pagy_t('pagy.nav.next')}</li>))
  %(<nav class="pagy-foundation-nav" role="navigation" aria-label="Pagination"><ul class="pagination">#{html}</ul></nav>)
end