import 'dart:io';

import 'package:test/test.dart';

import '../../apps/learn/release.dart';
import '../../apps/todo/release.dart';
import '../../apps/train/release.dart';
import '../../tool/src/release/apps.dart';
import '../../tool/src/release/version.dart';
import 'fixtures.dart';

void main() {
  test("an app's release names its files and tags by its id", () {
    expect(testApp.tagPrefix, 'notes-v');
    expect(testApp.pubspec, 'apps/notes/halkyon_notes_flutter/pubspec.yaml');
    expect(testApp.instance, 'notes.halkyon.eu');
    expect(
      testApp.apkFile(const Version(0, 19, 0)),
      'halkyon-notes-0.19.0.apk',
    );
    expect(
      testApp.snapFile(const Version(0, 19, 0)),
      'halkyon-notes_0.19.0_amd64.snap',
    );
  });

  test('a configuration that would release something wrong is refused', () {
    expect(testApp.problems(), isEmpty);
    expect(
      testApp.copyWith(id: 'Notes App').problems(),
      contains('The id "Notes App" is not lower-case letters and digits.'),
    );
    expect(
      testApp.copyWith(serverUrl: 'http://notes.halkyon.eu/').problems(),
      contains("The server URL http://notes.halkyon.eu/ isn't HTTPS."),
    );
    expect(
      testApp.copyWith(serverUrl: 'https://notes.halkyon.eu').problems(),
      contains(
        "The server URL https://notes.halkyon.eu doesn't end with a slash, "
        'as the app is built with it.',
      ),
    );
    expect(
      testApp
          .copyWith(flutterPackage: 'apps/todo/halkyon_todo_flutter')
          .problems(),
      contains(
        "The Flutter package apps/todo/halkyon_todo_flutter isn't in "
        'apps/notes.',
      ),
    );
    expect(
      testApp.copyWith(applicationId: 'notes').problems(),
      contains("The application ID notes isn't one Android takes."),
    );
  });

  test("Learn's release is registered, sound, and names files that exist", () {
    expect(releasedApps['learn'], same(learnRelease));
    expect(learnRelease.problems(), isEmpty);
    // The test runs in the repository's root, as `dart test` does.
    for (final path in [
      learnRelease.pubspec,
      learnRelease.android.certificateFile,
      ...learnRelease.releaseFiles,
    ]) {
      expect(
        FileSystemEntity.typeSync(path),
        isNot(FileSystemEntityType.notFound),
        reason: path,
      );
    }
    expect(
      File('${learnRelease.snap!.directory}/snapcraft.yaml').readAsStringSync(),
      contains('name: ${learnRelease.snap!.name}\n'),
    );
  });

  test("Train's release is registered, sound, names files that exist, and "
      'has a key of its own', () {
    expect(releasedApps['train'], same(trainRelease));
    expect(trainRelease.problems(), isEmpty);
    for (final path in [
      trainRelease.pubspec,
      trainRelease.android.certificateFile,
      ...trainRelease.releaseFiles,
    ]) {
      expect(
        FileSystemEntity.typeSync(path),
        isNot(FileSystemEntityType.notFound),
        reason: path,
      );
    }
    expect(
      trainRelease.android.certificateFile,
      isNot(learnRelease.android.certificateFile),
    );
    expect(
      trainRelease.android.defaultKeystore,
      isNot(learnRelease.android.defaultKeystore),
    );
    expect(
      File(
        '${trainRelease.fdroid!.listing}/metadata/'
        '${trainRelease.applicationId}.yml',
      ).readAsStringSync(),
      contains('NonFreeDep'),
    );
  });

  test("Todo's release is registered, sound, names files that exist, and "
      'has a key of its own', () {
    expect(releasedApps['todo'], same(todoRelease));
    expect(todoRelease.problems(), isEmpty);
    for (final path in [
      todoRelease.pubspec,
      todoRelease.android.certificateFile,
      ...todoRelease.releaseFiles,
    ]) {
      expect(
        FileSystemEntity.typeSync(path),
        isNot(FileSystemEntityType.notFound),
        reason: path,
      );
    }
    for (final other in [learnRelease, trainRelease]) {
      expect(
        todoRelease.android.certificateFile,
        isNot(other.android.certificateFile),
      );
      expect(
        todoRelease.android.defaultKeystore,
        isNot(other.android.defaultKeystore),
      );
      expect(
        todoRelease.android.keystoreVariable,
        isNot(other.android.keystoreVariable),
      );
    }
    final listing = File(
      '${todoRelease.fdroid!.listing}/metadata/'
      '${todoRelease.applicationId}.yml',
    ).readAsStringSync();
    expect(listing, contains('NonFreeNet'));
    // Task and Calendar & Agenda (ADR 0033, D24), each one the repository
    // lists.
    final categories = [
      for (final match in RegExp(r'^  - (.+)$', multiLine: true).allMatches(
        RegExp(r'Categories:\n((?:  - .+\n)+)').firstMatch(listing)![1]!,
      ))
        match[1]!,
    ];
    expect(categories, ['Task', 'Calendar & Agenda']);
    final listed = File('${todoRelease.fdroid!.listing}/config/categories.yml')
        .readAsStringSync();
    for (final category in categories) {
      expect(listed, contains('\n$category:\n'));
    }
  });

  test("Learn's snap is the root's; Todo's and Train's are built in clones of "
      'their own, outside the repository', () {
    expect(learnRelease.snap!.atRoot, isTrue);
    for (final (app, name) in [
      (todoRelease, 'halkyon-todo'),
      (trainRelease, 'halkyon-train'),
    ]) {
      final snap = app.snap!;
      expect(snap.atRoot, isFalse, reason: app.id);
      expect(
        snap.projectPath('/home/someone'),
        '/home/someone/.cache/halkyon-release/snap/$name',
      );
      expect(snap.storeChannel, 'edge', reason: app.id);
    }
  });

  for (final app in [todoRelease, trainRelease]) {
    group("${app.name}'s snap, built in a clone of its own with its folder in "
        "place of the root's snap/", () {
      final snap = app.snap!;
      final recipe = File('${snap.directory}/snapcraft.yaml')
          .readAsStringSync();

      test('names the snap and the part the release tool takes', () {
        expect(recipe, contains('name: ${snap.name}\n'));
        expect(recipe, contains('\n  ${snap.part}:\n    after: [flutter]\n'));
        expect(recipe, contains('adopt-info: ${snap.part} '));
      });

      test('builds the app for its instance', () {
        expect(recipe, contains('cd ${app.flutterPackage}\n'));
        expect(recipe, contains('--dart-define=SERVER_URL=${app.serverUrl}\n'));
      });

      test('has the files it names, as they will stand in the clone', () {
        // In the clone, the folder is snap/, the root's snap/local/ beside
        // it.
        for (final match in RegExp(
          r'(?<![\w/$])snap/([\w./-]+)',
        ).allMatches(recipe)) {
          final inClone = match[1]!;
          final path = inClone.startsWith('local')
              ? 'snap/$inClone'
              : '${snap.directory}/$inClone';
          if (inClone == 'snapcraft.yaml') {
            continue;
          }
          expect(
            FileSystemEntity.typeSync(path),
            isNot(FileSystemEntityType.notFound),
            reason: match[0],
          );
        }
        expect(
          File('${snap.directory}/gui/${snap.name}.desktop').readAsStringSync(),
          contains('Exec=${snap.name}\n'),
        );
      });
    });
  }

  test("every snap's recipe builds with the Flutter CI pins", () {
    final pinned = RegExp(
      r'^\s*FLUTTER_VERSION:\s*(\S+)',
      multiLine: true,
    ).firstMatch(File('.forgejo/workflows/ci.yaml').readAsStringSync())![1];
    for (final app in releasedApps.values) {
      if (app.snap case final snap?) {
        expect(
          File('${snap.directory}/snapcraft.yaml').readAsStringSync(),
          contains("source-tag: '$pinned'"),
          reason: app.id,
        );
      }
    }
  });
}