module Pagy::NavsExtra

def pagy_combo_nav_js(pagy, pagy_id: nil, link_extra: '')
  p_id    = %( id="#{pagy_id}") if pagy_id
  link    = pagy_link_proc(pagy, link_extra: link_extra)
  p_page  = pagy.page
  p_pages = pagy.pages
  input   = %(<input type="number" min="1" max="#{p_pages}" value="#{
                p_page}" style="padding: 0; text-align: center; width: #{p_pages.to_s.length + 1}rem;">)
  %(<nav#{p_id} class="pagy-combo-nav-js pagination" #{
      pagy_data(pagy, :combo, pagy_marked_link(link))}>#{
      pagy_nav_prev_html pagy, link
    }<span class="pagy-combo-input" style="margin: 0 0.6rem;">#{
      pagy_t 'pagy.combo_nav_js', page_input: input, count: p_page, pages: p_pages
    }</span> #{
      pagy_nav_next_html pagy, link
    }</nav>)
end

def pagy_nav_js(pagy, pagy_id: nil, link_extra: '', **vars)
  sequels = pagy.sequels(**vars)
  p_id = %( id="#{pagy_id}") if pagy_id
  link = pagy_link_proc(pagy, link_extra: link_extra)
  tags = { 'before' => pagy_nav_prev_html(pagy, link),
           'link'   => %(<span class="page">#{link.call(PAGE_PLACEHOLDER, LABEL_PLACEHOLDER)}</span> ),
           'active' => %(<span class="page active">#{LABEL_PLACEHOLDER}</span> ),
           'gap'    => %(<span class="page gap">#{pagy_t 'pagy.nav.gap'}</span> ),
           'after'  => pagy_nav_next_html(pagy, link) }
  %(<nav#{p_id} class="#{'pagy-rjs ' if sequels.size > 1}pagy-nav-js pagination" #{
    pagy_data(pagy, :nav, tags, sequels, pagy.label_sequels(sequels))}></nav>)
end

def pagy_nav_next_html(pagy, link)
  if (p_next = pagy.next)
    %(<span class="page next">#{link.call p_next, pagy_t('pagy.nav.next'), 'aria-label="next"'}</span>)
  else
    %(<span class="page next disabled">#{pagy_t 'pagy.nav.next'}</span>)
  end
end

def pagy_nav_prev_html(pagy, link)
  if (p_prev = pagy.prev)
    %(<span class="page prev">#{link.call p_prev, pagy_t('pagy.nav.prev'), 'aria-label="previous"'}</span> )
  else
    %(<span class="page prev disabled">#{pagy_t 'pagy.nav.prev'}</span> )
  end
end