require 'impartial/version'

module Impartial
  module Configuration
    VALID_OPTIONS_KEYS = [
      :paths
    ].freeze

    # Look for impartial templates in this location
    DEFAULT_PATHS = ['./impartials']

    attr_accessor *VALID_OPTIONS_KEYS

    # When this module is extended, set all configuration options to their default values
    def self.extended(base)
      base.reset
    end

    # Convenience method to allow configuration options to be set in a block
    def configure
      yield self
    end

    # Create a hash of options and their values
    def options
      options = {}
      VALID_OPTIONS_KEYS.each{|k| options[k] = send(k)}
      options
    end

    # Reset all configuration options to defaults
    def reset
      self.paths = DEFAULT_PATHS
      self
    end
  end
end