module Pagy::FoundationExtra

def foundation_next_html(pagy, a)
  if (p_next = pagy.next)
    %(<li class="next">#{a.(p_next, pagy_t('pagy.next'), aria_label: pagy_t('pagy.aria_label.next'))}</li>)
  else
    %(<li class="next disabled" role="link" aria-disabled="true" aria-label="#{
         pagy_t('pagy.aria_label.next')}">#{pagy_t('pagy.next')}</li>)
  end
end

def foundation_prev_html(pagy, a)
  if (p_prev = pagy.prev)
    %(<li class="prev">#{a.(p_prev, pagy_t('pagy.prev'), aria_label: pagy_t('pagy.aria_label.prev'))}</li>)
  else
    %(<li class="prev disabled" role="link" aria-disabled="true" aria-label="#{
        pagy_t('pagy.aria_label.prev')}">#{pagy_t('pagy.prev')}</li>)
  end
end

def pagy_foundation_combo_nav_js(pagy, id: nil, aria_label: nil)
  id    = %( id="#{id}") if id
  a     = pagy_anchor(pagy)
  pages = pagy.pages
  page_input = %(<input name="page" type="number" min="1" max="#{pages}" value="#{pagy.page}" aria-current="page" ) <<
               %(style="text-align: center; width: #{pages.to_s.length + 1}rem; ) <<
               %(height: 1.5rem; padding: .5rem; margin: 0 .4rem; font-size: .875rem;" class="current">#{JSTools::A_TAG})
  %(<nav#{id} class="pagy-foundation-combo-nav-js" #{
      nav_aria_label(pagy, aria_label:)} #{
      pagy_data(pagy, :combo, pagy_url_for(pagy, PAGE_TOKEN))
    }><ul class="pagination">#{
      foundation_prev_html(pagy, a)
    }<li style="padding: 0 .3rem"><label style="display: flex; align-items: center; white-space: nowrap">#{
      pagy_t('pagy.combo_nav_js', page_input:, pages:)
    }</label></li>#{
      foundation_next_html(pagy, a)
    }</ul></nav>)
end

def pagy_foundation_nav(pagy, id: nil, aria_label: nil, **vars)
  id = %( id="#{id}") if id
  a  = pagy_anchor(pagy)
  html = +%(<nav#{id} class="pagy-foundation-nav" #{
              nav_aria_label(pagy, aria_label:)}><ul class="pagination"> #{
              foundation_prev_html(pagy, a)})
  pagy.series(**vars).each do |item| # series example: [1, :gap, 7, 8, "9", 10, 11, :gap, 36]
    html << case item
            when Integer
              %(<li>#{a.(item)}</li>)
            when String
              %(<li class="current" role="link" aria-current="page" aria-disabled="true">#{pagy.label_for(item)}</li>)
            when :gap
              %(<li class="ellipsis gap"></li>)
            else
              raise InternalError, "expected item types in series to be Integer, String or :gap; got #{item.inspect}"
            end
  end
  html << %(#{foundation_next_html(pagy, a)}</ul></nav>)
end

def pagy_foundation_nav_js(pagy, id: nil, aria_label: nil, **vars)
  sequels = pagy.sequels(**vars)
  id      = %( id="#{id}") if id
  a       = pagy_anchor(pagy)
  tokens  = { 'before'  => %(<ul class="pagination">#{foundation_prev_html pagy, a}),
              'a'       => %(<li>#{a.(PAGE_TOKEN, LABEL_TOKEN)}</li>),
              'current' => %(<li class="current" role="link" aria-current="page" aria-disabled="true">#{LABEL_TOKEN}</li>),
              'gap'     => %(<li class="ellipsis gap"></li>),
              'after'   => %(#{foundation_next_html pagy, a}</ul>) }
  %(<nav#{id} class="#{'pagy-rjs ' if sequels.size > 1}pagy-foundation-nav-js" #{
      nav_aria_label(pagy, aria_label:)} #{
      pagy_data(pagy, :nav, tokens, sequels, pagy.label_sequels(sequels))
    }></nav>)
end