module Aigu
  class CLI
    def initialize(env, argv)
      @env = env
      @command = Aigu::PUBLIC_COMMANDS.include?(argv.first) ? argv.shift : nil
      @argv = argv
      parse_options
    end

    def run
      Aigu.send(@command, @options) if @command
    end

    def parse_options
      @options = {}

      OptionParser.new do |opts|
        opts.banner = 'Usage: aigu [options]'

        opts.on('--input-directory=', 'The directory in which the Rails YAML localization files are stored.') do |directory|
          @options[:input_directory] = directory
        end

        opts.on('--output-directory=', 'The directory in which the Rails YAML localization files will be generated.') do |directory|
          @options[:output_directory] = directory
        end

        opts.on('--input-file=', 'The JSON file generated by Accent.') do |file|
          @options[:input_file] = file
        end

        opts.on('--output-file=', 'The JSON file that will be generated for Accent.') do |file|
          @options[:output_file] = file
        end

        opts.on_tail('-h', '--help', 'Show this message') do
          puts opts
          exit
        end

      end.parse! @argv
    end
  end
end