class ApplicationController < ActionController::Base
  before_action :authenticate_user!
  before_action :redirect_if_no_active_character, unless: :devise_controller?

  helper_method :current_char
  def current_char
    @_current_char ||= current_user&.active_character
  end

  def redirect_if_no_active_character
    redirect_to new_character_path if (current_user && current_char.nil?)
  end

  def roll(sides)
    rand(sides) + 1
  end

  private
    def start_activity(activity)
      if current_char.resting?
        flash[:alert] = "You can't do anything while you're resting. Go to the Character page to stop resting."
        redirect_to character_path(current_char) and return
      end
      queued_actions = params[:actions].present? ? params[:actions].to_i - 1 : nil
      if current_char.start_activity(activity, queued_actions: queued_actions)
        redirect_to look_path
      else
        message = "You can't do that."
        message += " (requires #{activity.requirements&.join(", ")})" if activity.requirements.any?
        message += " (costs #{activity.costs&.join(", ")})" if activity.costs.any?
        flash[:alert] = message
        redirect_back(fallback_location: character_path(current_char))
      end
    end
end