18F/hhs-acf-uc-dashboard

class Role
  attr_reader :user

  def initialize(user)
    @user = user
  end

  def delegate_object
    @delegate_object ||= role_class.new
  end

  delegate :admin?, :name, :home_path, :header_partial, :report_access?, :report_type,
    to: :delegate_object

  private

  def role_class
    return Role::SignedOut if !user
    type_map[user.role.to_s.underscore.to_sym] || Role::None
  end

  def type_map
    {
      admin: ::Role::AdminRole,
      operations: Role::Operations,
      general: Role::General,
      observer: Role::General
    }
  end

  def self.all
    @all ||= [
      Role::None,
      Role::General,
      Role::Operations,
      Role::AdminRole
    ].map do |klass|
      klass.new
    end
  end
end