module Baurets
  module Optionsful
    class Config

      def initialize(options = {})
        @config = configure_options(options)
        setup
        self
      end

      def base_path
        @config[:http][:base_path]
      end

      private

      def configure_options(options = {})
        default_opts = { :http => { :base_path => "/optionsful"},  :file => "", :environment => "development" }
        conf = {}
        if defined? RAILS_ROOT
          conf = default_opts.merge!({:file => (File.join(RAILS_ROOT, 'config', 'optionsful.yml'))})
        else
          conf = default_opts.merge!({ :http => { :base_path => "/optionsful"} })
        end
        conf = conf.merge!(options) unless options.empty?
        conf
      end

      def setup
        require "yaml"
        yaml_file = @config[:file]
        begin
          if File.exist? yaml_file
            conf = YAML::load_file(yaml_file)[@config[:environment]].symbolize_keys
            configure(conf) if conf
          end
        rescue
        end
      end

      def configure(conf)
        @config[:http][:base_path] = conf[:http]["base_path"] if (conf[:http] && conf[:http]["base_path"])
        @config[:file] = conf[:file] if conf[:file] 
        @config[:environment] = conf[:environment] if conf[:environment]
      end

    end
  end
end