import 'package:flutter_test/flutter_test.dart';
import 'package:relatica/models/friendica_version.dart';

void main() {
  group('Comparison tests', () {
    test('Unknown less than all', () {
      for (final v in knownFriendicaVersions) {
        expect(v, greaterThan(unknown));
      }
    });

    test('Newer correct', () {
      expect(v2022_02, greaterThan(v2021_01));
    });

    test('Older correct', () {
      expect(v2022_02, lessThan(v2023_01));
    });

    test('Older or equals', () {
      expect(v2022_02, lessThanOrEqualTo(v2022_02));
    });

    test('Newer or equals', () {
      expect(v2022_02, greaterThanOrEqualTo(v2022_02));
    });

    test('Equals with sub-version', () {
      expect(v2020_07_01, greaterThanOrEqualTo(v2020_07_01));
    });

    test('Newer sub-version', () {
      expect(v2020_07_01, greaterThan(v2020_07));
    });

    test('Older non sub-version', () {
      expect(v2020_07, lessThan(v2020_07_01));
    });

    test('Newer sub-version for both', () {
      expect(
        FriendicaVersion(DateTime(2020, 01), extra: '2'),
        greaterThan(FriendicaVersion(DateTime(2020, 01), extra: '1')),
      );
    });

    test('Newer sub-version alpha for both', () {
      expect(
        FriendicaVersion(DateTime(2020, 01), extra: 'b'),
        greaterThan(FriendicaVersion(DateTime(2020, 01), extra: 'a')),
      );
    });
  });

  group('Parsing tests', () {
    test('Garbled text and null return "unknown"', () {
      expect(
        FriendicaVersion.fromVersionString(null),
        unknown,
      );

      expect(
        FriendicaVersion.fromVersionString('some version string'),
        unknown,
      );

      expect(
        FriendicaVersion.fromVersionString('3.5.1'),
        unknown,
      );
    });

    test('Mastodon version from Mastodon Server', () {
      final version = FriendicaVersion.fromMastodonVersionString('4.1.0');
      expect(version, equals(unknown));
    });

    test('Mastodon version from Friendica Server', () {
      final version = FriendicaVersion.fromMastodonVersionString(
          '2.8.0 (compatible; Friendica 2023.01)');
      expect(version, equals(FriendicaVersion(DateTime(2023, 01))));
    });

    test('Standard year/month form', () {
      final version = FriendicaVersion.fromVersionString('2018.09');
      expect(version, equals(FriendicaVersion(DateTime(2018, 09))));
    });

    test('Standard year/month form with additional version', () {
      final version = FriendicaVersion.fromVersionString('2020.07-1');
      expect(version, equals(FriendicaVersion(DateTime(2020, 07), extra: '1')));
    });
  });

  test('Test known version strings', () {
    final versionStrings = [
      "2.1",
      "2.2",
      "2.21",
      "2.3",
      "2.32",
      "2.33",
      "2.34",
      "2.35",
      "2.36",
      "2.37",
      "2.38",
      "2.39",
      "2.3beta1",
      "2.3beta2",
      "3.0",
      "3.01",
      "3.1",
      "3.2",
      "3.3",
      "3.3-RC",
      "3.3.1",
      "3.3.2",
      "3.3.3",
      "3.4",
      "3.4.1",
      "3.4.2",
      "3.4.3",
      "3.4.3-2",
      "3.5",
      "3.5.1",
      "3.5.2",
      "3.5.3",
      "3.5.4",
      "3.6",
      "2018.05",
      "2018.09",
      "2019.01",
      "2019.03",
      "2019.04",
      "2019.06",
      "2019.09",
      "2019.12",
      "2020.03",
      "2020.07",
      "2020.07-1",
      "2020.09",
      "2020.09-1",
      "2021.01",
      "2021.04",
      "2021.07",
      "2021.09",
      "2022.02",
      "2022.03",
      "2022.06",
      "2022.10",
      "2022.12",
      "2023.01",
      "2023.04",
    ];

    final versions = [
      unknown, // 2.1
      unknown, // 2.2
      unknown, // 2.21
      unknown, // 2.3
      unknown, // 2.32
      unknown, // 2.33
      unknown, // 2.34
      unknown, // 2.35
      unknown, // 2.36
      unknown, // 2.37
      unknown, // 2.38
      unknown, // 2.39
      unknown, // 2.3beta1
      unknown, // 2.3beta2
      unknown, // 3.0
      unknown, // 3.01
      unknown, // 3.1
      unknown, // 3.2
      unknown, // 3.3
      unknown, // 3.3-RC
      unknown, // 3.3.1
      unknown, // 3.3.2
      unknown, // 3.3.3
      unknown, // 3.4
      unknown, // 3.4.1
      unknown, // 3.4.2
      unknown, // 3.4.3
      unknown, // 3.4.3-2
      unknown, // 3.5
      unknown, // 3.5.1
      unknown, // 3.5.2
      unknown, // 3.5.3
      unknown, // 3.5.4
      unknown, // 3.6
      v2018_05, // 2018.05
      v2018_09, // 2018.09
      v2019_01, // 2019.01
      v2019_03, // 2019.03
      v2019_04, // 2019.04
      v2019_06, // 2019.06
      v2019_09, // 2019.09
      v2019_12, // 2019.12
      v2020_03, // 2020.03
      v2020_07, // 2020.07
      v2020_07_01, // 2020.07-1
      v2020_09, // 2020.09
      v2020_09_01, // 2020.09-1
      v2021_01, // 2021.01
      v2021_04, // 2021.04
      v2021_07, // 2021.07
      v2021_09, // 2021.09
      v2022_02, // 2022.02
      v2022_03, // 2022.03
      v2022_06, // 2022.06
      v2022_10, // 2022.10
      v2022_12, // 2022.12
      v2023_01, // 2023.01
      v2023_04, // 2023.04
    ];

    expect(versionStrings.length, equals(versions.length));
    for (var i = 0; i < versions.length; i++) {
      final version = FriendicaVersion.fromVersionString(versionStrings[i]);
      expect(version, equals(versions[i]));
    }
  });
}