// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import '../command.dart';
import '../log.dart' as log;
import '../utils.dart';

/// Handles the `global deactivate` pub command.
class GlobalDeactivateCommand extends PubCommand {
  String get name => "deactivate";
  String get description => "Remove a previously activated package.";
  String get invocation => "pub global deactivate <package>";

  void run() {
    // Make sure there is a package.
    if (argResults.rest.isEmpty) {
      usageException("No package to deactivate given.");
    }

    // Don't allow extra arguments.
    if (argResults.rest.length > 1) {
      var unexpected = argResults.rest.skip(1).map((arg) => '"$arg"');
      var arguments = pluralize("argument", unexpected.length);
      usageException("Unexpected $arguments ${toSentence(unexpected)}.");
    }

    if (!globals.deactivate(argResults.rest.first)) {
      dataError("No active package ${log.bold(argResults.rest.first)}.");
    }
  }
}