# frozen_string_literal: true

require 'yaml'

# Config - loads and manages the app's configuration
class Config

  DEFAULT_CONFIG = 'config/defaults.yaml'
  ENVIRONMENT_CONFIG = ENV.fetch('RACK_ENV', 'development')

  def initialize(config_path = "config/#{ENVIRONMENT_CONFIG}.yaml")
    @data = YAML.load_file(DEFAULT_CONFIG)

    # merge in user-defined configuration if it exists
    @data.merge!(YAML.load_file(config_path)) if File.exist?(config_path)
  end

  def get(key)
    bits = key.split('.')
    value = @data

    bits.each do |bit|
      value = value[bit]
    end

    return value
  end

end