class Cucumber::Cli::ProfileLoader

def args_from(profile)
  unless cucumber_yml.has_key?(profile)
    raise(ProfileNotFound, <<-END_OF_ERROR)
not find profile: '#{profile}'
d profiles in cucumber.yml:
cucumber_yml.keys.join("\n  * ")}
  END_OF_ERROR
  end
  args_from_yml = cucumber_yml[profile] || ''
  case(args_from_yml)
    when String
      raise YmlLoadError, "The '#{profile}' profile in cucumber.yml was blank.  Please define the command line arguments for the '#{profile}' profile in cucumber.yml.\n" if args_from_yml =~ /^\s*$/
      args_from_yml = args_from_yml.split(' ')
    when Array
      raise YmlLoadError, "The '#{profile}' profile in cucumber.yml was empty.  Please define the command line arguments for the '#{profile}' profile in cucumber.yml.\n" if args_from_yml.empty?
    else
      raise YmlLoadError, "The '#{profile}' profile in cucumber.yml was a #{args_from_yml.class}. It must be a String or Array"
  end
  args_from_yml
end

def cucumber_file
  @cucumber_file ||= Dir.glob('{,.config/,config/}cucumber{.yml,.yaml}').first
end

def cucumber_yml
  return @cucumber_yml if @cucumber_yml
  unless cucumber_yml_defined?
    raise(ProfilesNotDefinedError,"cucumber.yml was not found.  Please refer to cucumber's documentation on defining profiles in cucumber.yml.  You must define a 'default' profile to use the cucumber command without any arguments.\nType 'cucumber --help' for usage.\n")
  end
  require 'erb'
  require 'yaml'
  begin
    @cucumber_erb = ERB.new(IO.read(cucumber_file)).result
  rescue Exception => e
    raise(YmlLoadError,"cucumber.yml was found, but could not be parsed with ERB.  Please refer to cucumber's documentation on correct profile usage.\n#{$!.inspect}")
  end
  begin
    @cucumber_yml = YAML::load(@cucumber_erb)
  rescue StandardError => e
    raise(YmlLoadError,"cucumber.yml was found, but could not be parsed. Please refer to cucumber's documentation on correct profile usage.\n")
  end
  if @cucumber_yml.nil? || !@cucumber_yml.is_a?(Hash)
    raise(YmlLoadError,"cucumber.yml was found, but was blank or malformed. Please refer to cucumber's documentation on correct profile usage.\n")
  end
  return @cucumber_yml
end

def cucumber_yml_defined?
  cucumber_file && File.exist?(cucumber_file)
end

def has_profile?(profile)
  cucumber_yml.has_key?(profile)
end

def initialize
  @cucumber_yml = nil
end