module ComplexConfig
  class Proxy < BasicObject
    def initialize(env = nil)
      @env = env
    end

    def to_s
      'ComplexConfig::Proxy'
    end

    def inspect
      "#<#{to_s}>"
    end

    def reload
      ::ComplexConfig::Provider.flush_cache
      self
    end

    def method_missing(name, *args)
      config = ::ComplexConfig::Provider[name]
      (class << self; self; end).class_eval do
        define_method(name) do |env = nil|
          if env
            config[env]
          elsif @env
            config[@env]
          else
            config
          end
        end
      end
      __send__(name, *args)
    end
  end
end