import 'package:flutter_test/flutter_test.dart';
import 'package:zenxercise/src/database/database.dart';
import 'package:zenxercise/src/history/session_repository.dart';
import 'package:zenxercise/src/modes/mode.dart';
import 'package:zenxercise/src/plans/models/plan.dart';
import 'package:zenxercise/src/player/session_runner.dart';

import '../support/test_database.dart';

void main() {
  late AppDatabase db;
  late SessionRepository sessions;

  setUp(() {
    db = testDatabase();
    sessions = SessionRepository(db);
  });
  tearDown(() => db.close());

  Plan plan(Mode mode) => Plan(
    id: 'p1',
    mode: mode,
    name: 'Legs',
    items: const [WorkoutStep(exerciseId: 'Squat', sets: 1, target: WorkoutTarget.reps(10))],
    createdAt: DateTime(2026),
    updatedAt: DateTime(2026),
  );

  SessionResult result(Mode mode, DateTime end, {bool complete = true}) => SessionResult(
    plan: plan(mode),
    startedAt: end.subtract(const Duration(minutes: 30)),
    endedAt: end,
    duration: const Duration(minutes: 28),
    complete: complete,
    setLogs: const [SetLog(exerciseId: 'Squat', set: 1, reps: 8, weightKg: 60)],
  );

  test('a saved Session keeps its Plan snapshot, logs and outcome', () async {
    final saved = await sessions.save(result(Mode.workout, DateTime(2026, 10, 29, 19), complete: false));

    expect(saved.planName, 'Legs');
    expect(saved.items.single, isA<WorkoutStep>());
    expect(saved.duration, const Duration(minutes: 28));
    expect(saved.complete, isFalse);
    expect(saved.setLogs.single.reps, 8);
    expect(saved.setLogs.single.weightKg, 60);
  });

  test('Sessions are listed per Mode, the latest first', () async {
    await sessions.save(result(Mode.workout, DateTime(2026, 10, 28)));
    await sessions.save(result(Mode.workout, DateTime(2026, 10, 29)));
    await sessions.save(result(Mode.stretching, DateTime(2026, 10, 30)));

    final workout = await sessions.watchSessions(Mode.workout).first;

    expect(workout.map((s) => s.endedAt.day), [29, 28]);
  });

  test('the Streak sees complete Sessions of both Modes only', () async {
    await sessions.save(result(Mode.workout, DateTime(2026, 10, 28)));
    await sessions.save(result(Mode.stretching, DateTime(2026, 10, 29)));
    await sessions.save(result(Mode.stretching, DateTime(2026, 10, 30), complete: false));

    expect(await sessions.completeEndTimes(), unorderedEquals([DateTime(2026, 10, 28), DateTime(2026, 10, 29)]));
  });
}