jwood/auroraalarm

class UserFactory
  attr_accessor :errors, :location

  def create_user(mobile_phone, location_value)
    @errors = []

    ensure_valid_phone(mobile_phone)
    ensure_user_does_not_exist(mobile_phone)
    location = lookup_location_data(location_value)

    user = User.new(mobile_phone: mobile_phone, user_location_value: location_value)
    if @errors.blank?
      begin
        User.transaction do
          user.save!
          user_location = UserLocation.create!(user_id: user.id,
                                               city: location.city,
                                               state: location.state,
                                               postal_code: location.zip,
                                               country: location.country_code,
                                               latitude: location.latitude,
                                               longitude: location.longitude,
                                               magnetic_latitude: location.magnetic_latitude)
        end
      rescue Exception => e
        @errors << "An unexpected error occurred while trying to create a new user"
        Rails.logger.error "An unexpected error occurred when trying to create a new user : #{e.message}"
      end
    end
    user
  end

  private

  def ensure_valid_phone(mobile_phone)
    if !SignalApi::Phone.valid?(mobile_phone)
      @errors << "Mobile phone is invalid"
    end
  end

  def ensure_user_does_not_exist(mobile_phone)
    if User.exists?(mobile_phone: mobile_phone)
      @errors << "A user with the specified mobile phone already exists"
    end
  end

  def lookup_location_data(location_value)
    @location = nil
    if ZipcodeFormat.valid?(location_value)
      service = GeolocationService.new
      @location = service.geocode(location_value)

      if @location.nil? || @location.invalid?
        @errors << "Zipcode is invalid"
      elsif @location.international?
        @errors << "Location must be within the US"
      end
    else
      @errors << "Please provide a five digit zipcode (90210)"
    end
    @location
  end

end