import 'package:adhd_scheduler_core/scheduler_core.dart';
import 'package:test/test.dart';

void main() {
  group('Repository interfaces', () {
    final createdAt = DateTime(2026, 6, 21, 8);
    final window = SchedulingWindow(
      start: DateTime(2026, 6, 21, 9),
      end: DateTime(2026, 6, 21, 17),
    );

    test('task repository supports in-memory fakes for domain services',
        () async {
      final backlogTask = task(
        id: 'backlog',
        title: 'Backlog task',
        status: TaskStatus.backlog,
        createdAt: createdAt,
      );
      final scheduledTask = task(
        id: 'scheduled',
        title: 'Scheduled task',
        status: TaskStatus.planned,
        createdAt: createdAt,
        scheduledStart: DateTime(2026, 6, 21, 10),
        scheduledEnd: DateTime(2026, 6, 21, 10, 30),
      );
      final repository = InMemoryTaskRepository([backlogTask]);

      await repository.save(scheduledTask);

      expect(await repository.findById('backlog'), same(backlogTask));
      expect(await repository.findByStatus(TaskStatus.backlog), [backlogTask]);
      expect(
        (await repository.findScheduledInWindow(window)).map((task) => task.id),
        ['scheduled'],
      );
    });

    test('project repository stores project profiles by stable id', () async {
      const project = ProjectProfile(
        id: 'home',
        name: 'Home',
        colorKey: 'project-home',
      );
      final repository = InMemoryProjectRepository();

      await repository.save(project);

      expect(await repository.findById('home'), same(project));
      expect(await repository.findAll(), [project]);
    });

    test('locked block repository separates blocks from overrides', () async {
      final block = LockedBlock(
        id: 'work',
        name: 'Work',
        startTime: const ClockTime(hour: 9, minute: 0),
        endTime: const ClockTime(hour: 17, minute: 0),
        recurrence: const LockedBlockRecurrence.weekly(
          weekdays: {LockedWeekday.monday},
        ),
        createdAt: createdAt,
        updatedAt: createdAt,
      );
      final override = LockedBlockOverride.remove(
        id: 'holiday',
        lockedBlockId: block.id,
        date: DateTime(2026, 6, 22),
        createdAt: createdAt,
      );
      final repository = InMemoryLockedBlockRepository();

      await repository.saveBlock(block);
      await repository.saveOverride(override);

      expect(await repository.findBlockById('work'), same(block));
      expect(await repository.findOverrideById('holiday'), same(override));
      expect(await repository.findAllBlocks(), [block]);
      expect(await repository.findAllOverrides(), [override]);
    });

    test('scheduling snapshot repository preserves scheduler input shape',
        () async {
      final scheduledTask = task(
        id: 'scheduled',
        title: 'Scheduled task',
        status: TaskStatus.planned,
        createdAt: createdAt,
        scheduledStart: DateTime(2026, 6, 21, 10),
        scheduledEnd: DateTime(2026, 6, 21, 10, 30),
      );
      final lockedInterval = TimeInterval(
        start: DateTime(2026, 6, 21, 12),
        end: DateTime(2026, 6, 21, 13),
        label: 'Lunch',
      );
      final snapshot = SchedulingStateSnapshot(
        id: 'snapshot-1',
        capturedAt: DateTime(2026, 6, 21, 8, 30),
        window: window,
        tasks: [scheduledTask],
        lockedIntervals: [lockedInterval],
        notices: const [
          SchedulingNotice('Saved schedule'),
        ],
        operationName: 'load-day',
      );
      final repository = InMemorySchedulingSnapshotRepository();

      await repository.save(snapshot);

      final saved = await repository.findById('snapshot-1');
      expect(saved, same(snapshot));
      expect(saved!.input.tasks, [scheduledTask]);
      expect(saved.input.lockedIntervals, [lockedInterval]);
      expect(saved.result.tasks, [scheduledTask]);
      expect(saved.result.notices.single.message, 'Saved schedule');
      expect(
        (await repository.findInWindow(window)).map((snapshot) => snapshot.id),
        ['snapshot-1'],
      );
    });
  });
}

Task task({
  required String id,
  required String title,
  required TaskStatus status,
  required DateTime createdAt,
  DateTime? scheduledStart,
  DateTime? scheduledEnd,
}) {
  return Task(
    id: id,
    title: title,
    projectId: 'inbox',
    type: TaskType.flexible,
    status: status,
    durationMinutes: 30,
    scheduledStart: scheduledStart,
    scheduledEnd: scheduledEnd,
    createdAt: createdAt,
    updatedAt: createdAt,
  );
}