class TranslationSupport

def create_hash(data, _basename)
  words = Hash.new
  return words if !data
  parent = Array.new
  previous_key = 'base'
  data.split("\n").each do |w|
    next if w.strip.blank?
    (key, value) = w.split(':', 2)
    value ||= ''
    shift = (key =~ /\w/) / 2 - parent.size # Determine level of current key in comparison to parent array
    key = key.sub(/^\s+/, '')
    parent << previous_key if shift > 0 # If key is child of previous key, add previous key as parent
    (shift * -1).times { parent.pop } if shift < 0 # If key is not related to previous key, remove parent keys
    previous_key = key # Track key in case next key is child of this key
    words[parent.join(':') + ':' + key] = value unless key.blank?
  end
  words
end

def get_translation_keys(language_root, suffix = nil)
  (dummy_comments, words) = read_file("#{language_root}/en#{suffix}.yml", 'en')
  words
end

def open_available_tags(filename)
  data = YAML::load(File.open(filename.to_s))
  data.to_s
end

def read_file(filename, basename)
  (comments, data) = IO.read(filename).split(/\n#{basename}:\s*\n/) # Add error checking for failed file read?
  [comments, create_hash(data, basename)]
end

def write_file(filename, basename, comments, words)
  File.open(filename, 'w') do |log|
    log.puts(comments + "\n" + basename + ": \n")
    words.sort.each do |k, v|
      keys = k.split(':')
      (keys.size - 1).times { keys[keys.size - 1] = '  ' + keys[keys.size - 1] } # Add indentation for children keys
      log.puts(keys[keys.size - 1] + ':' + v + "\n")
    end
  end
end