// Copyright (c) 2024, 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:io';

import 'package:path/path.dart' as p;
import 'package:test/test.dart';
import 'package:yaml/yaml.dart';

import 'descriptor.dart';
import 'test_pub.dart';

void main() {
  test('fetches dev_dependencies of workspace members', () async {
    final server = await servePackages();
    server.serve('dev_dep', '1.0.0');
    await dir(appPath, [
      libPubspec(
        'myapp',
        '1.2.3',
        extras: {
          'workspace': ['pkgs/a'],
        },
        sdk: '^3.7.0',
      ),
      dir('pkgs', [
        dir('a', [
          libPubspec('a', '1.1.1', devDeps: {'dev_dep': '^1.0.0'}),
        ]),
      ]),
    ]).create();
    await pubGet(
      environment: {'_PUB_TEST_SDK_VERSION': '3.7.0'},
      output: contains('+ dev_dep'),
    );
    final lockfile = loadYaml(
      File(p.join(sandbox, appPath, 'pubspec.lock')).readAsStringSync(),
    );
    expect(lockfile['packages'].keys, <String>{'dev_dep'});
    await appPackageConfigFile(
      [
        packageConfigEntry(name: 'dev_dep', version: '1.0.0'),
        packageConfigEntry(name: 'a', path: './pkgs/a'),
      ],
      generatorVersion: '3.7.0',
    ).validate();
  });

  test(
      'allows dependencies between workspace members, the source is overridden',
      () async {
    await servePackages();
    await dir(appPath, [
      libPubspec(
        'myapp',
        '1.2.3',
        extras: {
          'workspace': ['pkgs/a', 'pkgs/b'],
        },
        sdk: '^3.7.0',
      ),
      dir('pkgs', [
        dir('a', [
          libPubspec('a', '1.1.1', deps: {'b': '^2.0.0'}),
        ]),
        dir('b', [
          libPubspec(
            'b',
            '2.1.1',
            deps: {
              'myapp': {'git': 'somewhere'},
            },
          ),
        ]),
      ]),
    ]).create();
    await pubGet(environment: {'_PUB_TEST_SDK_VERSION': '3.7.0'});
    final lockfile = loadYaml(
      File(p.join(sandbox, appPath, 'pubspec.lock')).readAsStringSync(),
    );
    expect(lockfile['packages'].keys, <String>{});
    await appPackageConfigFile(
      [
        packageConfigEntry(name: 'a', path: './pkgs/a'),
        packageConfigEntry(name: 'b', path: './pkgs/b'),
      ],
      generatorVersion: '3.7.0',
    ).validate();
  });

  test('allows nested workspaces', () async {
    final server = await servePackages();
    server.serve('dev_dep', '1.0.0');
    await dir(appPath, [
      libPubspec(
        'myapp',
        '1.2.3',
        extras: {
          'workspace': ['pkgs/a'],
        },
        sdk: '^3.7.0',
      ),
      dir('pkgs', [
        dir('a', [
          libPubspec(
            'a',
            '1.1.1',
            extras: {
              'workspace': ['example'],
            },
            sdk: '^3.7.0',
          ),
          dir('example', [
            libPubspec(
              'example',
              '2.1.1',
              deps: {
                'a': {'path': '..'},
              },
            ),
          ]),
        ]),
      ]),
    ]).create();
    await pubGet(environment: {'_PUB_TEST_SDK_VERSION': '3.7.0'});
    final lockfile = loadYaml(
      File(p.join(sandbox, appPath, 'pubspec.lock')).readAsStringSync(),
    );
    expect(lockfile['packages'].keys, <String>{});

    await appPackageConfigFile(
      [
        packageConfigEntry(name: 'a', path: './pkgs/a'),
        packageConfigEntry(name: 'example', path: './pkgs/a/example'),
      ],
      generatorVersion: '3.7.0',
    ).validate();
  });

  test('checks constraints between workspace members', () async {
    await servePackages();
    await dir(appPath, [
      libPubspec(
        'myapp',
        '1.2.3',
        extras: {
          'workspace': ['pkgs/a'],
        },
        sdk: '^3.7.0',
      ),
      dir('pkgs', [
        dir('a', [
          libPubspec('a', '1.1.1', deps: {'myapp': '^0.2.3'}),
        ]),
      ]),
    ]).create();
    await pubGet(
      environment: {'_PUB_TEST_SDK_VERSION': '3.7.0'},
      error: contains(
        'Because myapp depends on a which depends on myapp ^0.2.3, myapp ^0.2.3 is required',
      ),
    );
  });

  test('reports errors in workspace pubspec.yamls correctly', () async {
    await dir(appPath, [
      libPubspec(
        'myapp',
        '1.2.3',
        extras: {
          'workspace': ['pkgs/a'],
        },
        sdk: '^3.7.0',
      ),
      dir('pkgs', [
        dir('a', [
          libPubspec(
            'a',
            '1.1.1',
            deps: {
              'myapp': {'posted': 'https://abc'},
            },
          ),
        ]),
      ]),
    ]).create();
    await pubGet(environment: {'_PUB_TEST_SDK_VERSION': '3.7.0'});
  });
}