require 'gherkin/formatter/json_formatter'
require 'gherkin/parser/parser'

module Gherkin::Formatter
  class JSONFormatter
    def to_hash
      @feature_hash
    end
  end
end

module Wally
  class ListsFeatures
    class << self
      def features
        features = []
        Dir.glob("application-features/*.feature").each do |path|
          uri = "/features/#{path.gsub("application-features/", "")}"
          features << parse_gherkin(uri, File.read(path))
        end
        features.sort {|a,b| a["name"] <=> b["name"]}
      end

      private

      def parse_gherkin(uri, text)
        io = StringIO.new
        formatter = Gherkin::Formatter::JSONFormatter.new(io)
        parser = Gherkin::Parser::Parser.new(formatter, false, 'root')
        parser.parse(text, uri, 0)
        hash = formatter.to_hash
        hash
      end
    end
  end
end