class Bundler::CLI::Config

def confirm(name)
  Bundler.ui.confirm "Settings for `#{name}` in order of priority. The top value will be used"
  show_pretty_values_for(name)
end

def confirm_all
  Bundler.ui.confirm "Settings are listed in order of priority. The top value will be used.\n"
  Bundler.settings.all.each do |setting|
    Bundler.ui.confirm "#{setting}"
    show_pretty_values_for(setting)
    Bundler.ui.confirm ""
  end
end

def initialize(options, args, thor)
  @options = options
  @args = args
  @thor = thor
  @name = peek = args.shift
  @scope = "global"
  if peek && peek =~ /^\-\-/
    @name = args.shift
    @scope = $'
  end
end

def message
  locations = Bundler.settings.locations(name)
  if scope == "global"
    if locations[:local]
      "Your application has set #{name} to #{locations[:local].inspect}. " \
        "This will override the global value you are currently setting"
    elsif locations[:env]
      "You have a bundler environment variable for #{name} set to " \
        "#{locations[:env].inspect}. This will take precedence over the global value you are setting"
    elsif locations[:global] && locations[:global] != args.join(" ")
      "You are replacing the current global value of #{name}, which is currently " \
        "#{locations[:global].inspect}"
    end
  elsif scope == "local" && locations[:local] != args.join(" ")
    "You are replacing the current local value of #{name}, which is currently " \
      "#{locations[:local].inspect}"
  end
end

def new_value
  pathname = Pathname.new(args.join(" "))
  if name.match(/\Alocal\./) && pathname.directory?
    pathname.expand_path.to_s
  else
    args.join(" ")
  end
end

def run
  unless name
    confirm_all
    return
  end
  unless valid_scope?(scope)
    Bundler.ui.error "Invalid scope --#{scope} given. Please use --local or --global."
    exit 1
  end
  if scope == "delete"
    Bundler.settings.set_local(name, nil)
    Bundler.settings.set_global(name, nil)
    return
  end
  if args.empty?
    confirm(name)
    return
  end
  Bundler.ui.info(message) if message
  Bundler.settings.send("set_#{scope}", name, new_value)
end

def show_pretty_values_for(setting)
  thor.with_padding do
    Bundler.settings.pretty_values_for(setting).each do |line|
      Bundler.ui.info line
    end
  end
end

def valid_scope?(scope)
  %w(delete local global).include?(scope)
end