class ApplicationController < ActionController::Base

  protect_from_forgery with: :exception

  before_action :reload_site

  before_action :reload_parliament

  before_action :service_unavailable, unless: :site_enabled?

  before_action :authenticate, if: :site_protected?

  before_action :redirect_to_url_without_format, if: :unknown_format?

  before_action :set_seen_cookie_message, if: :show_cookie_message?

  helper_method :show_cookie_message?, :public_petition_facets

  hide_action :admin_request?

  def admin_request?

    false

  end

  protected

  def authenticate

    authenticate_or_request_with_http_basic(Site.name) do |username, password|

      Site.authenticate(username, password)

    end

  end

  def csv_request?

    request.format.symbol == :csv

  end

  def json_request?

    request.format.symbol == :json

  end

  def unknown_format?

    request.format.nil?

  end

  def url_without_format

    URI.parse(request.original_url).tap do |uri|

      uri.path = File.join(File.dirname(request.path), File.basename(request.path, '.*'))

    end.to_s

  rescue URI::InvalidURIError => e

    home_url

  end

  def redirect_to_url_without_format

    redirect_to url_without_format

  end

  def reload_site

    Site.reload

  end

  def reload_parliament

    Parliament.reload

  end

  def service_unavailable

    raise Site::ServiceUnavailable, "Sorry, the website is temporarily unavailable"

  end

  def site_enabled?

    Site.enabled?

  end

  def site_protected?

    Site.protected? unless request.local?

  end

  def parliament_dissolved?

    Parliament.dissolved?

  end

  def redirect_to_home_page

    redirect_to home_url

  end

  def set_seen_cookie_message

    cookies[:seen_cookie_message] = { value: 'yes', expires: 1.year.from_now, httponly: true }

  end

  def set_cors_headers

    headers['Access-Control-Allow-Origin'] = '*'

    headers['Access-Control-Allow-Methods'] = 'GET'

    headers['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'

  end

  def show_cookie_message?

    @show_cookie_message ||= cookies[:seen_cookie_message] != 'yes'

  end

  def public_petition_facets

    I18n.t('public', scope: :"petitions.facets")

  end

  def do_not_cache

    response.headers['Cache-Control'] = 'no-store, no-cache'

   end

  def current_time

    Time.current.getutc.iso8601

  end

end