#!/usr/bin/env ruby

require 'glueckskeks'
require 'optparse'

options = {corpus: 'corpus', base: 'base', capitalize: true}

optparse = OptionParser.new do |opts|
  opts.banner = "Usage: #{$PROGRAM_NAME}"
  opts.separator ""
  opts.separator "Generate phrase from files (default: in corpus/)."
  opts.separator ""

  opts.on('-b', '--base=BASE', 'Start extension from BASE file (default: \'base\')') do |b|
    options[:base] = b
  end
  opts.on('-c', '--corpus=DIRECTORY', 'Read .corpus files from DIRECTORY (default: \'./corpus\')') do |c|
    options[:corpus] = c
  end
  opts.on('-d', '--debug', 'Print debug messages to STDOUT') do |d|
    options[:debug] = d
  end
  opts.on('--[no-]capitalize', 'Capitalize first letter of output (default: true)') do |c|
    options[:capitalize] = c
  end
  opts.on_tail('--version', 'Show version and exit.') do
    puts "#{$PROGRAM_NAME} #{Glueckskeks::VERSION}"
    exit 0
  end
  opts.on('-h', '--help', 'Show this help and exit.') do
    puts opts
    exit 0
  end
end.parse!

Glueckskeks.logger.level = options[:debug] ? Logger::DEBUG : Logger::INFO

phrase = Glueckskeks.generate(options[:corpus], options[:base])
if options[:capitalize]
  phrase = phrase[0].upcase + phrase[1..-1]
end

puts phrase
puts Glueckskeks::Collapser.collapse(phrase)

# Leave the stage with grace.
exit 0