class Stringex::Configuration::Base

def self.configure(&block)
  configurator = Stringex::Configuration::Configurator.new(self)
  yield configurator
end

def self.system_wide_customizations
  @system_wide_customizations ||= {}
end

def self.unconfigure!
  @system_wide_customizations = {}
end

def self.valid_configuration_details
  default_settings.keys
end

def adapter
  adapter_name = settings.adapter || Stringex::ActsAsUrl::Adapter.first_available
  case adapter_name
  when Class
    adapter_name.send :new, self
  when :active_record
    Stringex::ActsAsUrl::Adapter::ActiveRecord.new self
  when :mongoid
    Stringex::ActsAsUrl::Adapter::Mongoid.new self
  else
    raise ArgumentError, "#{adapter_name} is not a defined ActsAsUrl adapter. Please feel free to implement your own and submit it back upstream."
  end
end

def default_settings
  raise ArgumentError, "You shouldn't have hit default_settings on Stringex::Configuration::Base. Check your code."
end

def initialize(local_options = {})
  current_settings = default_settings.merge(system_wide_customizations)
  current_settings.merge! local_options
  @settings = OpenStruct.new(current_settings)
end

def system_wide_customizations
  self.class.system_wide_customizations
end