wahanegi/vibereport

class ResultsNotificationWorker
  attr_reader :users, :time_period, :fun_question

  def initialize
    @users = User.opt_in
    @time_period = TimePeriod.previous_time_period
    @fun_question = @time_period&.fun_question
  end

  def run_notification
    return unless Date.current.strftime('%A').casecmp?(ENV.fetch('DAY_TO_SEND_RESULTS_EMAIL'))

    run_results_email!
  end

  private

  def run_results_email!
    return unless time_period_has_ended?

    users.each do |user|
      send_results_email(user, time_period, @fun_question) if user_has_response?(user)
    end
  end

  def send_results_email(user, time_period, fun_question)
    UserEmailMailer.results_email(user, time_period, fun_question).deliver_now
  end

  def time_period_has_ended?
    time_period.present? && time_period.end_date <= Date.current
  end

  def user_has_response?(user)
    user.responses.exists?(time_period_id: time_period.id)
  end
end