class ActiveAdmin::Views::Pages::Base

def action_items_for_action
  if active_admin_config && active_admin_config.action_items?
    active_admin_config.action_items_for(params[:action], self)
  else
    []
  end
end

def body_classes
  Arbre::HTML::ClassList.new [
    params[:action],
    params[:controller].tr("/", "_"),
    "active_admin", "logged_in",
    active_admin_namespace.name.to_s + "_namespace"
  ]
end

def build(*args)
  set_attribute :lang, I18n.locale
  build_active_admin_head
  build_page
end

def build_active_admin_head
  within head do
    html_title [title, helpers.active_admin_namespace.site_title(self)].compact.join(" | ")
    text_node(active_admin_namespace.head)
    active_admin_application.stylesheets.each do |style, options|
      stylesheet_tag = active_admin_namespace.use_webpacker ? stylesheet_pack_tag(style, **options) : stylesheet_link_tag(style, **options)
      text_node(stylesheet_tag.html_safe) if stylesheet_tag
    end
    active_admin_namespace.meta_tags.each do |name, content|
      text_node(meta(name: name, content: content))
    end
    active_admin_application.javascripts.each do |path|
      javascript_tag = active_admin_namespace.use_webpacker ? javascript_pack_tag(path) : javascript_include_tag(path)
      text_node(javascript_tag)
    end
    if active_admin_namespace.favicon
      text_node(favicon_link_tag(active_admin_namespace.favicon))
    end
    text_node csrf_meta_tag
  end
end

def build_flash_messages
  div class: "flashes" do
    flash_messages.each do |type, messages|
      [*messages].each do |message|
        div message, class: "flash flash_#{type}"
      end
    end
  end
end

def build_main_content_wrapper
  div id: "main_content_wrapper" do
    div id: "main_content" do
      main_content
    end
  end
end

def build_page
  within body(class: body_classes) do
    div id: "wrapper" do
      build_unsupported_browser
      header active_admin_namespace, current_menu
      title_bar title, action_items_for_action
      build_page_content
      footer active_admin_namespace
    end
  end
end

def build_page_content
  build_flash_messages
  div id: "active_admin_content", class: (skip_sidebar? ? "without_sidebar" : "with_sidebar") do
    build_main_content_wrapper
    sidebar sidebar_sections_for_action, id: "sidebar" unless skip_sidebar?
  end
end

def build_unsupported_browser
  if active_admin_namespace.unsupported_browser_matcher =~ controller.request.user_agent
    unsupported_browser
  end
end

def main_content
  I18n.t("active_admin.main_content", model: title).html_safe
end

def sidebar_sections_for_action
  if active_admin_config && active_admin_config.sidebar_sections?
    active_admin_config.sidebar_sections_for(params[:action], self)
  else
    []
  end
end

def skip_sidebar?
  sidebar_sections_for_action.empty? || assigns[:skip_sidebar] == true
end

def title
  self.class.name
end