class Sorbet::Private::FindGemRBIs

def self.main
  FileUtils.mkdir_p(RBI_CACHE_DIR) unless Dir.exist?(RBI_CACHE_DIR)
  output_file = File.exist?('Gemfile.lock') ? RBI_CACHE_DIR + Digest::MD5.hexdigest(File.read('Gemfile.lock')) : nil
  return unless output_file
  gemspecs = Bundler.load.specs.sort_by(&:name)
  gem_source_paths = T.let([], T::Array[String])
  # Tapioca (https://github.com/Shopify/tapioca) does not require gems `rbi/` folders
  # to be passed to Sorbet as it copies the signatures at RBI generation time.
  #
  # To avoid conflicts between RBIs generated with tapioca and the one provided by the
  # gem, we disable the `rbi/` caching and let Sorbet use the RBIs from `sorbet/rbi/gems`.
  unless gemspecs.any? { |g| g.name == 'tapioca' }
    gemspecs.each do |gemspec|
      gem_source_paths << paths_within_gem_sources(gemspec)
    end
  end
  File.write(output_file, gem_source_paths.compact.join("\n"))
end

def self.output_file
  nil
end

def self.paths_within_gem_sources(gemspec)
  gem_rbi = "#{gemspec.full_gem_path}/#{GEM_DIR}"
  gem_rbi if Dir.exist?(gem_rbi)
end