require 'will_paginate/view_helpers/action_view'
module Symphonia
  class BootstrapLinkRender < ::WillPaginate::ActionView::LinkRenderer

    def pagination
      items = @options[:page_links] ? windowed_page_numbers : []
      unless @options[:page_links] == :only
        items.unshift :previous_page
        items.push :next_page
      end
      items
    end

    def to_html
      html = pagination.map do |item|
        if @options[:remote]
          if item == :next_page
            tag :li,next_page, class: 'page-item'
          end
        else
          tag(:li, (item.is_a?(Integer) ?
            page_number(item) :
            send(item)).html_safe, class: 'page-item' + (item == current_page ? ' active' : ''))
        end
      end.join(@options[:link_separator])

      container_classes = %w(pagination justify-content-center)
      container_classes << 'pagination-sm' if @options[:small]
      container_classes << 'pagination-lg' if @options[:large]
      nav = tag(:ul, html.html_safe, class: container_classes.join(' '))
      tag :nav, nav, class: 'd-print-none'
    end

    def default_url_params
      @options[:query] && @options[:query].to_params || {}
    end

    def page_number(page)
      link_options = @options[:link_options] || {}
      aria_label = @template.will_paginate_translate(:page_aria_label, :page => page.to_i) { "Page #{page}" }
      if page == current_page
        tag(:span, page, :class => 'page-link current_page current', :"aria-label" => aria_label, :"aria-current" => 'page')
      else
        link_options.merge! class: 'page-link', rel: rel_value(page)
        link(page, page, {:'data-remote' => @options[:remote], :"aria-label" => aria_label}.merge(link_options))
      end
    end

    def previous_or_next_page(page, text, classname, aria_label = nil)
      if page
        link(text, page, :'data-remote' => @options[:remote], :'aria-label' => aria_label, class: "page-link #{classname}")
      else
        tag(:span, text, class: "page-link #{classname} disabled", :'aria-label' => aria_label)
      end
    end

  end

end