class Travis::Tools::TokenFinder

def self.find(options = {})
  new(options).find
end

def find
  find_netrc || find_hub
end

def find_hub
  return unless File.readable? hub
  data   = YAML.load_file(File.expand_path(hub))
  data &&= Array(data[github])
  data.first['oauth_token'] if data.size == 1
rescue => e
  raise e if explode
end

def find_netrc
  return unless File.readable? netrc
  data = Netrc.read(netrc)[github]
  data.detect { |e| e.size == 40 } if data
rescue => e
  raise e if explode
end

def hub=(file)
  @hub = File.expand_path(file)
end

def initialize(options = {})
  self.netrc   = options[:netrc]  || Netrc.default_path
  self.hub     = options[:hub]    || ENV['HUB_CONFIG'] || '~/.config/hub'
  self.github  = options[:github]
  self.github  = 'github.com' if github.nil? or github == 'api.github.com'
  self.explode = options[:explode]
end

def netrc=(file)
  @netrc = File.expand_path(file)
end