module GettextSetup

# File lib/gettext-setup/gettext_setup.rb, line 56
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 88
def self.candidate_locales
  Locale.candidates(type: :cldr).join(',')
end

# File lib/gettext-setup/gettext_setup.rb, line 92
def self.clear
  Locale.clear
end

# File lib/gettext-setup/gettext_setup.rb, line 68
def self.config
  @config ||= {}
end

# File lib/gettext-setup/gettext_setup.rb, line 51
def self.config?
  raise NoConfigFoundError, File.join(locales_path, 'config.yaml') unless @config
  @config
end

# File lib/gettext-setup/gettext_setup.rb, line 76
def self.default_locale
  config['default_locale'] || 'en'
end

# File lib/gettext-setup/gettext_setup.rb, line 80
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 = {})
  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

  # 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.
  FastGettext.default_locale = default_locale
  FastGettext.default_available_locales = FastGettext.default_available_locales | locales

  Locale.set_default(default_locale)
end

# File lib/gettext-setup/gettext_setup.rb, line 96
def self.locales
  explicit = Dir.glob(File.absolute_path('*/*.po', locales_path)).map do |x|
    File.basename(File.dirname(x))
  end
  (explicit + [default_locale]).uniq
end

# File lib/gettext-setup/gettext_setup.rb, line 64
def self.locales_path
  @locales_path ||= File.join(Dir.pwd, 'locales')
end

# File lib/gettext-setup/gettext_setup.rb, line 106
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
    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 130
def self.negotiate_locale!(accept_header)
  FastGettext.locale = negotiate_locale(accept_header)
end

# File lib/gettext-setup/gettext_setup.rb, line 72
def self.translation_repositories
  @translation_repositories
end