module Pagy::MaterializeExtra

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

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

def pagy_materialize_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; font-size: 1.2rem; ) <<
               %(border: none; border-radius: 2px; color: white; background-color: #ee6e73;" class="browser-default"> ) <<
               JSTools::A_TAG
  %(<ul#{id} class="pagy-materialize combo-nav-js pagination" role="navigation" style="padding-right: 0;" #{
      nav_aria_label(pagy, aria_label:)} #{
      pagy_data(pagy, :combo, pagy_url_for(pagy, PAGE_TOKEN))
    }>#{
      materialize_prev_html(pagy, a)
    }<li style="vertical-align: -webkit-baseline-middle;"><label style="font-size: 1.2rem;">#{
      pagy_t('pagy.combo_nav_js', page_input:, pages:)
    }</label></li>#{
      materialize_next_html(pagy, a)
    }</ul>)
end

def pagy_materialize_nav(pagy, id: nil, aria_label: nil, **vars)
  id = %( id="#{id}") if id
  a  = pagy_anchor(pagy)
  html = +%(<div#{id} class="pagy-materialize nav pagination" role="navigation" #{
              nav_aria_label(pagy, aria_label:)}><ul class="pagination">#{
              materialize_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 class="waves-effect">#{a.(item)}</li>)
            when String
              %(<li class="active"><a role="link" aria-current="page" aria-disabled="true">#{pagy.label_for(item)}</a></li>)
            when :gap
              %(<li class="gap disabled"><a role="link" aria-disabled="true">#{pagy_t 'pagy.gap'}</a></li>)
            else
              raise InternalError, "expected item types in series to be Integer, String or :gap; got #{item.inspect}"
            end
  end
  html << %(#{materialize_next_html(pagy, a)}</ul></div>)
end

def pagy_materialize_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">#{materialize_prev_html pagy, a}),
             'a'      => %(<li class="waves-effect">#{a.(PAGE_TOKEN, LABEL_TOKEN)}</li>),
             'current' => %(<li class="active"><a role="link" aria-current="page" aria-disabled="true">#{
                              LABEL_TOKEN}</a></li>),
             'gap'    => %(<li class="gap disabled"><a role="link" aria-disabled="true">#{pagy_t 'pagy.gap'}</a></li>),
             'after'  => %(#{materialize_next_html pagy, a}</ul>) }
  %(<div#{id} class="#{'pagy-rjs ' if sequels.size > 1}pagy-materialize nav-js" role="navigation" #{
      nav_aria_label(pagy, aria_label:)} #{
      pagy_data(pagy, :nav, tokens, sequels, pagy.label_sequels(sequels))
    }></div>)
end