// Copyright (c) 2020, 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 'dart:convert';
import 'dart:io';

import 'package:dartdev/dartdev.dart';
import 'package:dartdev/src/analytics.dart';
import 'package:test/test.dart';

import 'experiment_util.dart';
import 'utils.dart';

List<Map> extractAnalytics(ProcessResult result) {
  return LineSplitter.split(result.stderr)
      .where((line) => line.startsWith('[analytics]: '))
      .map((line) => json.decode(line.substring('[analytics]: '.length)) as Map)
      .toList();
}

Future<void> main() async {
  group('DisabledAnalytics', disabledAnalyticsObject);

  group('VM -> CLI --analytics flag smoke test:', () {
    final command = DartdevRunner(['--analytics']);
    test('--analytics', () {
      command.runCommand(command.parse(['--analytics']));
      expect(command.analytics is! DisabledAnalytics, true);
    });

    test('--no-analytics', () {
      command.runCommand(command.parse(['--no-analytics']));
      expect(command.analytics is DisabledAnalytics, true);
    });

    test('No flag', () {
      command.runCommand(command.parse([]));
      expect(command.analytics is! DisabledAnalytics, true);
    });
  });

  test('Analytics control smoke test', () {
    final p = project(logAnalytics: true);
    var result = p.runSync(['--disable-analytics']);
    expect(result.stdout, contains('''
  ╔════════════════════════════════════════════════════════════════════════════╗
  ║ Analytics reporting disabled. In order to enable it, run:                  ║
  ║                                                                            ║
  ║   dart --enable-analytics                                                  ║
  ║                                                                            ║
  ╚════════════════════════════════════════════════════════════════════════════╝
'''));

    result = p.runSync(['--enable-analytics']);
    expect(result.stdout, contains('''
  ╔════════════════════════════════════════════════════════════════════════════╗
  ║ The Dart tool uses Google Analytics to report feature usage statistics     ║
  ║ and to send basic crash reports. This data is used to help improve the     ║
  ║ Dart platform and tools over time.                                         ║
  ║                                                                            ║
  ║ To disable reporting of analytics, run:                                    ║
  ║                                                                            ║
  ║   dart --disable-analytics                                                 ║
  ║                                                                            ║
  ╚════════════════════════════════════════════════════════════════════════════╝
'''));
  });

  final experiments = await experimentsWithValidation();
  group('Sending analytics', () {
    test('help', () {
      final p = project(logAnalytics: true);
      final result = p.runSync(['help']);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'help'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'help',
            'label': null,
            'value': null
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'help',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });
    test('create', () {
      final p = project(logAnalytics: true);
      final result = p.runSync(['create', '-tpackage-simple', 'name']);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'create'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'create',
            'label': null,
            'value': null,
            'cd1': '0',
            'cd3': ' template ',
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'create',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });

    test('pub get', () {
      final p = project(logAnalytics: true);
      final result = p.runSync(['pub', 'get', '--dry-run']);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'pub/get'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'pub/get',
            'label': null,
            'value': null,
            'cd1': '0',
            'cd3': ' dry-run '
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'pub/get',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });

    test('format', () {
      final p = project(logAnalytics: true);
      final result = p.runSync(['format', '-l80', '.']);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'format'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'format',
            'label': null,
            'value': null,
            'cd1': '0',
            'cd3': ' line-length ',
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'format',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });

    test('run', () {
      final p = project(
          mainSrc: 'void main(List<String> args) => print(args)',
          logAnalytics: true);
      final result = p.runSync([
        'run',
        '--no-pause-isolates-on-exit',
        '--enable-asserts',
        'lib/main.dart',
        '--argument'
      ]);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'run'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'run',
            'label': null,
            'value': null,
            'cd1': '0',
            'cd3': ' enable-asserts pause-isolates-on-exit ',
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'run',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });
    group('run --enable-experiments', () {
      for (final experiment in experiments) {
        test(experiment.name, () {
          final p = project(mainSrc: experiment.validation, logAnalytics: true);
          {
            for (final no in ['', 'no-']) {
              final result = p.runSync([
                'run',
                '--enable-experiment=$no${experiment.name}',
                'lib/main.dart',
              ]);
              expect(extractAnalytics(result), [
                {
                  'hitType': 'screenView',
                  'message': {'viewName': 'run'}
                },
                {
                  'hitType': 'event',
                  'message': {
                    'category': 'dartdev',
                    'action': 'run',
                    'label': null,
                    'value': null,
                    'cd1': '0',
                    'cd2': ' $no${experiment.name} ',
                  }
                },
                {
                  'hitType': 'timing',
                  'message': {
                    'variableName': 'run',
                    'time': isA<int>(),
                    'category': 'commands',
                    'label': null
                  }
                }
              ]);
            }
          }
        });
      }
    });

    test('compile', () {
      final p = project(
          mainSrc: 'void main(List<String> args) => print(args);',
          logAnalytics: true);
      final result = p
          .runSync(['compile', 'kernel', 'lib/main.dart', '-o', 'main.kernel']);
      expect(extractAnalytics(result), [
        {
          'hitType': 'screenView',
          'message': {'viewName': 'compile/kernel'}
        },
        {
          'hitType': 'event',
          'message': {
            'category': 'dartdev',
            'action': 'compile/kernel',
            'label': null,
            'value': null,
            'cd1': '0',
            'cd3': ' output ',
          }
        },
        {
          'hitType': 'timing',
          'message': {
            'variableName': 'compile/kernel',
            'time': isA<int>(),
            'category': 'commands',
            'label': null
          }
        }
      ]);
    });
  });
}

void disabledAnalyticsObject() {
  test('object', () {
    var diabledAnalytics = DisabledAnalytics('trackingId', 'appName');
    expect(diabledAnalytics.trackingId, 'trackingId');
    expect(diabledAnalytics.applicationName, 'appName');
    expect(diabledAnalytics.enabled, isFalse);
    expect(diabledAnalytics.firstRun, isFalse);
  });
}