require 'settingslogic'
require 'uri'

# Set application config
class AppConfig < Settingslogic
  source "#{Dir.pwd}/config/application.yml"
  namespace Rails.env
  suppress_errors true

  #
  # Gets the log level as a symbol (one of :debug, :info, :warn, :error, etc.)
  #
  def self.log_level(default = :info)
    self.log.level.to_sym rescue default
  end

  #
  # Gets the log level as an integer (debug: 0, info: 1, etc.)
  #
  def self.numeric_log_level(default = Logger::INFO)
    Logger.const_get(log_level(nil).upcase) rescue default
  end

  # Safe retrieval of an option value with options:
  #   :default          specifies default value
  #   :warn_if_missing  true: emits warning to logger if setting missing
  #   :integer          true: forces default value if setting is not an integer
  def self.safe_get(attr, options = {})
    val = attr.to_s.split('.').reduce(self) { |config, attr| config.send attr }
    raise if options[:integer] && val.to_i.to_s != val
    val
  rescue
    default = options[:default]
    logger.warn("No config for #{attr}. #{ default ? "Using default: #{default}" : 'No default'}") if options[:warn_if_missing]
    default
  end

  def self.get_mandatory(attr)
    safe_get(attr) || raise(StandardError, "No such setting #{attr}")
  end

  def self.logger
    Rails.logger
  end
end