class Cucumber::Cli::ProfileLoader

def args_from(profile)
  unless cucumber_yml.key?(profile)
    raise(ProfileNotFound, <<-END_OF_ERROR)
not find profile: '#{profile}'
d profiles in cucumber.yml:
cucumber_yml.keys.sort.join("\n  * ")}
    END_OF_ERROR
  end
  args_from_yml = cucumber_yml[profile] || ''
  case args_from_yml
  when String
    if args_from_yml =~ /^\s*$/
      raise YmlLoadError, "The '#{profile}' profile in cucumber.yml was blank." \
      "  Please define the command line arguments for the '#{profile}' profile in cucumber.yml.\n"
    end
    args_from_yml = processed_shellwords(args_from_yml)
  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
  ensure_configuration_file_exists
  process_configuration_file_with_erb
  load_configuration
  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
  @cucumber_yml
end

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

def ensure_configuration_file_exists
  return if cucumber_yml_defined?
  raise(ProfilesNotDefinedError, "cucumber.yml was not found.  Current directory is #{Dir.pwd}." \
                                 "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

def initialize
  @cucumber_yml = nil
end

def load_configuration
  require 'yaml'
  begin
    @cucumber_yml = YAML.load(@cucumber_erb) # rubocop:disable Security/YAMLLoad
  rescue StandardError
    raise(YmlLoadError, "cucumber.yml was found, but could not be parsed. Please refer to cucumber's documentation on correct profile usage.\n")
  end
end

def process_configuration_file_with_erb
  require 'erb'
  begin
    @cucumber_erb = ERB.new(IO.read(cucumber_file), trim_mode: '%').result(binding)
  rescue StandardError
    raise(YmlLoadError, "cucumber.yml was found, but could not be parsed with ERB.  Please refer to cucumber's documentation on correct profile usage.\n#{$ERROR_INFO.inspect}")
  end
end

def processed_shellwords(args_from_yml)
  require 'shellwords'
  return Shellwords.shellwords(args_from_yml) unless Cucumber::WINDOWS
  # Shellwords treats backslash as an escape character so we have to mask it out temporarily
  placeholder = 'pseudo_unique_backslash_placeholder'
  sanitized_line = args_from_yml.gsub('\\', placeholder)
  Shellwords.shellwords(sanitized_line).collect { |argument| argument.gsub(placeholder, '\\') }
end

def profile?(profile)
  cucumber_yml.key?(profile)
end