class RSpec::Core::ConfigurationOptions

def args_from_options_file(path)
  return [] unless File.exist?(path)
  File.readlines(path).map {|l| l.split}.flatten
end

def configure(config)
  options.each do |key, value|
    config.send("#{key}=", value) rescue nil
  end
end

def drb_argv
  argv = []
  argv << "--color"    if options[:color_enabled]
  argv << "--profile"   if options[:profile_examples]
  argv << "--backtrace" if options[:full_backtrace]
  argv << "--formatter"    << options[:formatter]               if options[:formatter]
  argv << "--line_number"  << options[:line_number]             if options[:line_number]
  argv << "--options_file" << options[:options_file]            if options[:options_file]
  argv << "--example"      << options[:full_description].source if options[:full_description]
  argv + options[:files_or_directories_to_run]
end

def initialize(args)
  @args = args
  @options = parse_options
end

def local_options_file(options)
  return options[:options_file] if options[:options_file]
  return LOCAL_OPTIONS_FILE if File.exist?(LOCAL_OPTIONS_FILE)
  RSpec.deprecate("spec/spec.opts", "./.rspec or ~/.rspec", "2.0.0") if File.exist?("spec/spec.opts")
  "spec/spec.opts"
end

def parse_command_line_options
  options = Parser.parse!(@args)
  options[:files_or_directories_to_run] = @args
  options
end

def parse_global_options
  parse_options_file(GLOBAL_OPTIONS_FILE)
end

def parse_local_options(options)
  parse_options_file(local_options_file(options))
end

def parse_options
  command_line_options = parse_command_line_options
  local_options        = parse_local_options(command_line_options)
  global_options       = parse_global_options
  [global_options, local_options, command_line_options].inject do |merged, options|
    merged.merge(options)
  end
end

def parse_options_file(path)
  Parser.parse(args_from_options_file(path))
end