module Middleman::Util

def self.extract_response_text(response)
  case(response)
  when String
    response
  when Array
    response.join
  when Rack::Response
    response.body.join
  when Rack::File
    File.read(response.path)
  else
    response.to_s
  end
end

def self.normalize_path(path)
  # The tr call works around a bug in Ruby's Unicode handling
  path.sub(/^\//, "").tr('','') 
end

def self.recursively_enhance(data)
  if data.is_a? Hash
    data = ::Thor::CoreExt::HashWithIndifferentAccess.new(data)
    data.each do |key, val|
      data[key] = recursively_enhance(val)
    end
    data
  elsif data.is_a? Array
    data.each_with_index do |val, i|
      data[i] = recursively_enhance(val)
    end
    data
  else
    data
  end
end