// Copyright 2017 The Chromium Authors. 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:async';

import 'package:flutter_tools/src/android/gradle.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/build_info.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:test/test.dart';

import '../src/common.dart';
import '../src/context.dart';

void main() {
  group('gradle build', () {
    test('do not crash if there is no Android SDK', () async {
      Exception shouldBeToolExit;
      try {
        // We'd like to always set androidSdk to null and test updateLocalProperties. But that's
        // currently impossible as the test is not hermetic. Luckily, our bots don't have Android
        // SDKs yet so androidSdk should be null by default.
        //
        // This test is written to fail if our bots get Android SDKs in the future: shouldBeToolExit
        // will be null and our expectation would fail. That would remind us to make these tests
        // hermetic before adding Android SDKs to the bots.
        await updateLocalProperties();
      } on Exception catch (e) {
        shouldBeToolExit = e;
      }
      // Ensure that we throw a meaningful ToolExit instead of a general crash.
      expect(shouldBeToolExit, isToolExit);
    });

    test('regexp should only match lines without the error message', () {
      final List<String> nonMatchingLines = <String>[
        'NDK is missing a "platforms" directory.',
        'If you are using NDK, verify the ndk.dir is set to a valid NDK directory.  It is currently set to /usr/local/company/home/username/Android/Sdk/ndk-bundle.',
        'If you are not using NDK, unset the NDK variable from ANDROID_NDK_HOME or local.properties to remove this warning.',
      ];
      final List<String> matchingLines = <String>[
        ':app:preBuild UP-TO-DATE',
        'BUILD SUCCESSFUL in 0s',
        '',
        'Something NDK related mentioning ANDROID_NDK_HOME',
      ];
      for (String m in nonMatchingLines) {
        expect(ndkMessageFilter.hasMatch(m), isFalse);
      }
      for (String m in matchingLines) {
        expect(ndkMessageFilter.hasMatch(m), isTrue);
      }
    });
  });

  group('gradle project', () {
    GradleProject projectFrom(String properties) => new GradleProject.fromAppProperties(properties);

    test('should extract build directory from app properties', () {
      final GradleProject project = projectFrom('''
someProperty: someValue
buildDir: /Users/some/apps/hello/build/app
someOtherProperty: someOtherValue
      ''');
      expect(project.apkDirectory, fs.path.normalize('/Users/some/apps/hello/build/app/outputs/apk'));
    });
    test('should extract default build variants from app properties', () {
      final GradleProject project = projectFrom('''
someProperty: someValue
assemble: task ':app:assemble'
assembleAndroidTest: task ':app:assembleAndroidTest'
assembleDebug: task ':app:assembleDebug'
assembleProfile: task ':app:assembleProfile'
assembleRelease: task ':app:assembleRelease'
buildDir: /Users/some/apps/hello/build/app
someOtherProperty: someOtherValue
      ''');
      expect(project.buildTypes, <String>['debug', 'profile', 'release']);
      expect(project.productFlavors, isEmpty);
    });
    test('should extract custom build variants from app properties', () {
      final GradleProject project = projectFrom('''
someProperty: someValue
assemble: task ':app:assemble'
assembleAndroidTest: task ':app:assembleAndroidTest'
assembleDebug: task ':app:assembleDebug'
assembleFree: task ':app:assembleFree'
assembleFreeAndroidTest: task ':app:assembleFreeAndroidTest'
assembleFreeDebug: task ':app:assembleFreeDebug'
assembleFreeProfile: task ':app:assembleFreeProfile'
assembleFreeRelease: task ':app:assembleFreeRelease'
assemblePaid: task ':app:assemblePaid'
assemblePaidAndroidTest: task ':app:assemblePaidAndroidTest'
assemblePaidDebug: task ':app:assemblePaidDebug'
assemblePaidProfile: task ':app:assemblePaidProfile'
assemblePaidRelease: task ':app:assemblePaidRelease'
assembleProfile: task ':app:assembleProfile'
assembleRelease: task ':app:assembleRelease'
buildDir: /Users/some/apps/hello/build/app
someOtherProperty: someOtherValue
      ''');
      expect(project.buildTypes, <String>['debug', 'profile', 'release']);
      expect(project.productFlavors, <String>['free', 'paid']);
    });
    test('should provide apk file name for default build types', () {
      final GradleProject project = new GradleProject(<String>['debug', 'profile', 'release'], <String>[], '/some/dir');
      expect(project.apkFileFor(BuildInfo.debug), 'app-debug.apk');
      expect(project.apkFileFor(BuildInfo.profile), 'app-profile.apk');
      expect(project.apkFileFor(BuildInfo.release), 'app-release.apk');
      expect(project.apkFileFor(const BuildInfo(BuildMode.release, 'unknown')), isNull);
    });
    test('should provide apk file name for flavored build types', () {
      final GradleProject project = new GradleProject(<String>['debug', 'profile', 'release'], <String>['free', 'paid'], '/some/dir');
      expect(project.apkFileFor(const BuildInfo(BuildMode.debug, 'free')), 'app-free-debug.apk');
      expect(project.apkFileFor(const BuildInfo(BuildMode.release, 'paid')), 'app-paid-release.apk');
      expect(project.apkFileFor(const BuildInfo(BuildMode.release, 'unknown')), isNull);
    });
    test('should provide assemble task name for default build types', () {
      final GradleProject project = new GradleProject(<String>['debug', 'profile', 'release'], <String>[], '/some/dir');
      expect(project.assembleTaskFor(BuildInfo.debug), 'assembleDebug');
      expect(project.assembleTaskFor(BuildInfo.profile), 'assembleProfile');
      expect(project.assembleTaskFor(BuildInfo.release), 'assembleRelease');
      expect(project.assembleTaskFor(const BuildInfo(BuildMode.release, 'unknown')), isNull);
    });
    test('should provide assemble task name for flavored build types', () {
      final GradleProject project = new GradleProject(<String>['debug', 'profile', 'release'], <String>['free', 'paid'], '/some/dir');
      expect(project.assembleTaskFor(const BuildInfo(BuildMode.debug, 'free')), 'assembleFreeDebug');
      expect(project.assembleTaskFor(const BuildInfo(BuildMode.release, 'paid')), 'assemblePaidRelease');
      expect(project.assembleTaskFor(const BuildInfo(BuildMode.release, 'unknown')), isNull);
    });
  });

  group('Gradle local.properties', () {
    Directory temp;

    setUp(() {
      Cache.disableLocking();
      temp = fs.systemTempDirectory.createTempSync('flutter_tools');
    });

    tearDown(() {
      temp.deleteSync(recursive: true);
    });

    Future<String> createMinimalProject(String manifest) async {
      final Directory directory = temp.childDirectory('android_project');
      final File manifestFile = directory.childFile('pubspec.yaml');
      manifestFile.createSync(recursive: true);
      manifestFile.writeAsStringSync(manifest);

      return directory.path;
    }

    String propertyFor(String key, File file) {
      return file
          .readAsLinesSync()
          .where((String line) => line.startsWith('$key='))
          .map((String line) => line.split('=')[1])
          .first;
    }

    Future<void> checkBuildVersion({
      String manifest,
      BuildInfo buildInfo,
      String expectedBuildName,
      String expectedBuildNumber,
    }) async {
      final String projectPath = await createMinimalProject(manifest);

      try {
        await updateLocalProperties(projectPath: projectPath, buildInfo: buildInfo);

        final String propertiesPath = fs.path.join(projectPath, 'android', 'local.properties');
        final File localPropertiesFile = fs.file(propertiesPath);

        expect(propertyFor('flutter.versionName', localPropertiesFile), expectedBuildName);
        expect(propertyFor('flutter.versionCode', localPropertiesFile), expectedBuildNumber);
      } on Exception {
        // Android SDK not found, skip test
      }
    }

    testUsingContext('extract build name and number from pubspec.yaml', () async {
      const String manifest = '''
name: test
version: 1.0.0+1
dependencies:
  flutter:
    sdk: flutter
flutter:
''';

      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.0',
        expectedBuildNumber: '1',
      );
    });

    testUsingContext('extract build name from pubspec.yaml', () async {
      const String manifest = '''
name: test
version: 1.0.0
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.0',
        expectedBuildNumber: null,
      );
    });

    testUsingContext('allow build info to override build name', () async {
      const String manifest = '''
name: test
version: 1.0.0+1
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null, buildName: '1.0.2');
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.2',
        expectedBuildNumber: '1',
      );
    });

    testUsingContext('allow build info to override build number', () async {
      const String manifest = '''
name: test
version: 1.0.0+1
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null, buildNumber: 3);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.0',
        expectedBuildNumber: '3',
      );
    });

    testUsingContext('allow build info to override build name and number', () async {
      const String manifest = '''
name: test
version: 1.0.0+1
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null, buildName: '1.0.2', buildNumber: 3);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.2',
        expectedBuildNumber: '3',
      );
    });

    testUsingContext('allow build info to override build name and set number', () async {
      const String manifest = '''
name: test
version: 1.0.0
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null, buildName: '1.0.2', buildNumber: 3);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.2',
        expectedBuildNumber: '3',
      );
    });

    testUsingContext('allow build info to set build name and number', () async {
      const String manifest = '''
name: test
dependencies:
  flutter:
    sdk: flutter
flutter:
''';
      const BuildInfo buildInfo = const BuildInfo(BuildMode.release, null, buildName: '1.0.2', buildNumber: 3);
      await checkBuildVersion(
        manifest: manifest,
        buildInfo: buildInfo,
        expectedBuildName: '1.0.2',
        expectedBuildNumber: '3',
      );
    });
  });
}