module CamaleonCms
  module Admin
    module PostTypeHelper
      # taxonomy -> (categories || post_tags)
      def post_type_html_inputs(post_type, taxonomy = 'categories', name = 'categories', type = 'checkbox',
                                values = [], class_cat = 'categorychecklist', required = false)
        categories = post_type.send(taxonomy)
        categories = categories.eager_load(:children, :post_type_parent, :parent) if %w[categories
                                                                                        children].include?(taxonomy)
        post_type_taxonomy_html_(categories, taxonomy, name, type, values, class_cat, required)
      end

      def post_type_status(status, color = 'default')
        "<span class='label label-#{color} label-form'>#{status}</span>"
      end

      # taxonomies ->  (categories || post_tags)
      def post_type_list_taxonomy(taxonomies, color = 'primary')
        html = ''
        taxonomies.decorate.each do |f|
          html += "<a class='cama_ajax_request' href='#{cama_admin_post_type_taxonomy_posts_path(@post_type.id,
                                                                                                 f.taxonomy, f.id)}'><span class='label label-#{color} label-form'>#{f.the_title}</span></a> "
        end
        html
      end

      # sort array of posts to build post's tree
      # skip_non_parent_posts: don't include post's where root post doesn't exist
      # internal control for recursive items
      def cama_hierarchy_post_list(posts_list, parent_id = nil, skip_non_parent_posts = false)
        res = []
        @_cama_hierarchy_post_list_no_parent ||= posts_list.clone
        posts_list.each do |element|
          next unless element.post_parent.to_s == parent_id.to_s

          res << element
          @_cama_hierarchy_post_list_no_parent.delete_item(element)
          res += cama_hierarchy_post_list(posts_list, element.id)
        end

        if !parent_id.present? && !skip_non_parent_posts
          @_cama_hierarchy_post_list_no_parent.each do |element|
            element.show_title_with_parent = true
            res << element
            res += cama_hierarchy_post_list(posts_list, element.id)
          end
        end
        res
      end

      private

      def post_type_taxonomy_html_(categories, taxonomy = 'categories', name = 'categories', type = 'checkbox',
                                   values = [], class_cat = '', required = false)
        if categories.count < 1
          return t('camaleon_cms.admin.post_type.message.no_created_html',
                   taxonomy: taxonomy == 'categories' ? t('camaleon_cms.admin.table.categories') : t('camaleon_cms.admin.table.tags')).to_s
        end

        html = "<ul class='#{class_cat}'>"
        categories.decorate.each do |f|
          html += '<li>'
          html +=  "<label class='class_slug' data-post_link_edit='#{f.the_edit_url}'> "
          html +=  "<input data-error-place='#validation_error_list_#{name}' type='#{type}' name='#{name}[]' #{values.to_i.include?(f.id) ? 'checked' : ''} value='#{f.id}' class = '#{if required
                                                                                                                                                                                         'required'
                                                                                                                                                                                       end}' />"
          html += "#{f.the_title} </label> "
          html += post_type_html_inputs(f, 'children', name, type, values, 'children') if f.children.present?
          html += '</li>'
        end

        html += "</ul><div id='validation_error_list_#{name}'></div>"
        html
      end
    end
  end
end