class RBS::Collection::Config

def self.find_config_path
  current = Pathname.pwd
  loop do
    config_path = current.join(PATH)
    return config_path if config_path.exist?
    current = current.join('..')
    return nil if current.root?
  end
end

def self.from_path(path)
  new(YAML.load(path.read), config_path: path)
end

def self.generate_lockfile(config_path:, definition:, with_lockfile: true)
  config = from_path(config_path)
  lockfile = LockfileGenerator.generate(config: config, definition: definition, with_lockfile: with_lockfile)
  [config, lockfile]
end

def self.to_lockfile_path(config_path)
  config_path.sub_ext('.lock' + config_path.extname)
end

def gem(gem_name)
  gems.find { |gem| gem['name'] == gem_name }
end

def gems
  @data['gems'] ||= (
    [] #: Array[gem_entry]
  )
end

def initialize(data, config_path:)
  @data = data
  @config_path = config_path
end

def repo_path
  @config_path.dirname.join repo_path_data
end

def repo_path_data
  Pathname(@data["path"])
end

def sources
  @sources ||= [
    Sources::Rubygems.instance,
    *@data['sources'].map { |c| Sources.from_config_entry(c, base_directory: @config_path.dirname) },
    Sources::Stdlib.instance
  ]
end