moneyadviceservice/frontend

class ApplicationController < ActionController::Base
  rescue_from Mas::Cms::HttpRedirect, with: :redirect_page
  rescue_from Mas::Cms::Errors::ResourceNotFound, with: :not_found

  protect_from_forgery with: :exception
  add_flash_types :success

  layout :check_syndicated_layout

  before_action :set_syndicated_x_frame

  include Authentication
  include Chat
  include Localisation
  include NotFound
  COOKIE_MESSAGE_COOKIE_NAME = '_cookie_notice'.freeze
  COOKIE_MESSAGE_COOKIE_VALUE = 'y'.freeze
  BANNER_DISMISSED_COOKIE_NAME = '_covid_banner'.freeze
  BANNER_DISMISSED_COOKIE_VALUE = 'y'.freeze

  helper BudgetWarning

  def syndicated_tool_request?
    true
  end

  helper_method :syndicated_tool_request?

  def parent_template
    if syndicated_tool_request?
      'layouts/engine_syndicated'
    else
      'layouts/engine'
    end
  end

  helper_method :parent_template

  def cookies_not_accepted?
    cookies.permanent[COOKIE_MESSAGE_COOKIE_NAME] != COOKIE_MESSAGE_COOKIE_VALUE
  end

  helper_method :cookies_not_accepted?

  def covid_banner_dismissed?
    cookies.permanent[BANNER_DISMISSED_COOKIE_NAME] != BANNER_DISMISSED_COOKIE_VALUE
  end

  helper_method :covid_banner_dismissed?

  def display_search_box_in_header?
    true
  end

  helper_method :display_search_box_in_header?

  def contact_panels_border_top?
    false
  end

  helper_method :contact_panels_border_top?

  def contact_panels_homepage?
    false
  end

  helper_method :contact_panels_homepage?

  def show_floating_chat?
    false
  end

  helper_method :show_floating_chat?

  def show_home_banner?
    false
  end

  helper_method :show_home_banner?

  def display_skip_to_main_navigation?
    true
  end

  helper_method :display_skip_to_main_navigation?

  def default_main_content_location?
    true
  end

  helper_method :default_main_content_location?

  def alerts?
    flash.keys.any?
  end

  helper_method :alerts?

  def set_tool_instance; end

  private

  def append_info_to_payload(payload)
    super

    payload[:params] = request.filtered_parameters
  end

  def redirect_page(e)
    redirect_to e.location, status: e.http_response.status
  end

  def is_environment_on_uat?
    Rails.env.uat?
  end

  def set_syndicated_x_frame
    response.headers.delete('X-Frame-Options') if syndicated_tool_request?
  end

  # This layout chops off the header and footer
  # It is used when the login/registration are presented in an iframe
  # e.g. https://partner-tools.moneyadviceservice.org.uk/en/users/sign_in
  # For when tools/engines need users to authenticate as part of their flow
  # This is vulnerable to clickjacking attacks
  def check_syndicated_layout
    'syndicated' if syndicated_tool_request?
  end

  def clumps
    Mas::Cms::Clump.all(cached: true, locale: I18n.locale)
  end
  helper_method :clumps

  def category_tree(categories = Core::Registry::Repository[:category].all)
    Core::CategoryTreeReader.new.call(categories)
  end

  def category_tree_with_decorator(categories = Core::Registry::Repository[:category].all)
    Core::CategoryTreeReaderWithDecorator.new.call(categories)
  end

  def navigation_categories
    Core::Registry::Repository[:category].all
  end

  def corporate_categories
    Core::Registry::Repository[:category].find('corporate-categories')['contents']
  end

  def corporate_category?(category, corporate = corporate_categories, categories = [])
    categories << corporate.map { |c| c['id'] }
    return true if categories.flatten.include?(category)

    corporate_category?(category, corporate.first['contents'], categories.flatten) unless corporate.first['contents']
  end

  helper_method :corporate_category?

  def category_navigation(corporate = false)
    categories = corporate ? corporate_categories : navigation_categories
    @category_navigation ||= CategoryNavigationDecorator.decorate_collection(category_tree_with_decorator(categories).children)
  end

  helper_method :category_navigation

  def corporate_category_navigation
    @corporate_category_navigation ||=
      CategoryNavigationDecorator.decorate_collection(
        category_tree_with_decorator(corporate_categories).children
      )
  end

  helper_method :corporate_category_navigation

  def hide_elements_irrelevant_for_third_parties?
    false
  end

  helper_method :hide_elements_irrelevant_for_third_parties?

  def hide_contact_panels?
    true
  end

  helper_method :hide_contact_panels?

  def engine_content?
    true
  end
  helper_method :engine_content?

  def pensions_and_retirement_page?
    return false unless @active_categories

    @active_categories.include?('pensions-and-retirement')
  end
  helper_method :pensions_and_retirement_page?

  def debt_and_borrowing_page?
    return false unless @active_categories

    @active_categories.include?('debt-and-borrowing')
  end
  helper_method :debt_and_borrowing_page?

  def redirect_page(e)
    redirect_to e.location, status: e.http_response.status
  end

  def default_url_options(options = {})
    if params.key?(:noresize)
      options.merge(noresize: true, locale: I18n.locale)
    else
      super
    end
  end
end