module GettextSetup

# File lib/gettext-setup/gettext_setup.rb, line 67
def self.add_repository_to_chain(project_name, options)
  repository = FastGettext::TranslationRepository.build(project_name,
                                                        path: locales_path,
                                                        type: options[:file_format] || :po,
                                                        ignore_fuzzy: false)
  @translation_repositories[project_name] = repository unless @translation_repositories.key? project_name
end

# File lib/gettext-setup/gettext_setup.rb, line 99
def self.candidate_locales
  Locale.candidates(type: :cldr).join(',')
end

# File lib/gettext-setup/gettext_setup.rb, line 103
def self.clear
  Locale.clear
end

# File lib/gettext-setup/gettext_setup.rb, line 79
def self.config
  @config ||= {}
end

# File lib/gettext-setup/gettext_setup.rb, line 61
def self.config?
  raise NoConfigFoundError, File.join(locales_path, 'config.yaml') unless @config

  @config
end

# File lib/gettext-setup/gettext_setup.rb, line 87
def self.default_locale
  config['default_locale'] || 'en'
end

# File lib/gettext-setup/gettext_setup.rb, line 91
def self.default_locale=(new_locale)
  FastGettext.default_locale = new_locale
  Locale.set_default(new_locale)
  config['default_locale'] = new_locale
end

# File lib/gettext-setup/gettext_setup.rb, line 24
def self.initialize(locales_path = 'locales', options = {})
  GettextSetup.initialize_config(locales_path)

  # Make the translation methods available everywhere
  Object.send(:include, FastGettext::Translation)

  # Define our text domain, and set the path into our root.  I would prefer to
  # have something smarter, but we really want this up earlier even than our
  # config loading happens so that errors there can be translated.
  add_repository_to_chain(config['project_name'], options)

  # 'chain' is the only available multi-domain type in fast_gettext 1.1.0 We should consider
  # investigating 'merge' once we can bump our dependency
  FastGettext.add_text_domain('master_domain', type: :chain, chain: @translation_repositories.values)
  FastGettext.default_text_domain = 'master_domain'

  # Likewise, be explicit in our default language choice. Available locales
  # must be set prior to setting the default_locale since default locale must
  # available.
  FastGettext.default_available_locales = (FastGettext.default_available_locales || []) | locales
  FastGettext.default_locale = default_locale

  Locale.set_default(default_locale)
end

# File lib/gettext-setup/gettext_setup.rb, line 53
def self.initialize_config(locales_path = 'locales')
  config_path = File.absolute_path('config.yaml', locales_path)
  File.exist?(config_path) || raise(NoConfigFoundError, config_path)

  @config = YAML.load_file(config_path)['gettext']
  @locales_path = locales_path
end

# File lib/gettext-setup/gettext_setup.rb, line 107
def self.locales
  explicit = Dir.glob(File.absolute_path('*/*.po', locales_path)).map do |x|
    File.basename(File.dirname(x))
  end
  ([default_locale] + explicit).uniq
end

# File lib/gettext-setup/gettext_setup.rb, line 75
def self.locales_path
  @locales_path ||= File.join(Dir.pwd, 'locales')
end

# File lib/gettext-setup/gettext_setup.rb, line 117
def self.negotiate_locale(accept_header)
  unless @config
    raise ArgumentError, 'No config.yaml found! Use ' \
      '`GettextSetup.initialize(locales_path)` to locate your config.yaml'
  end
  return FastGettext.default_locale if accept_header.nil?

  available_locales = accept_header.split(',').map do |locale|
    pair = locale.strip.split(';q=')
    pair << '1.0' unless pair.size == 2
    # Ignore everything but the language itself; that means that we treat
    # 'de' and 'de-DE' identical, and would use the 'de' message catalog
    # for both.
    pair[0] = pair[0].split('-')[0]
    pair[0] = FastGettext.default_locale if pair[0] == '*'
    pair
  end.sort_by do |(_, qvalue)|
    -1 * qvalue.to_f
  end.select do |(locale, _)|
    FastGettext.available_locales.include?(locale)
  end
  if available_locales && available_locales.first
    available_locales.first.first
  else
    # We can't satisfy the request preference. Just use the default locale.
    default_locale
  end
end

# File lib/gettext-setup/gettext_setup.rb, line 147
def self.negotiate_locale!(accept_header)
  FastGettext.locale = negotiate_locale(accept_header)
end

# File lib/gettext-setup/gettext_setup.rb, line 83
def self.translation_repositories
  @translation_repositories
end