import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:trainhub_flutter/injection.dart';
import 'package:trainhub_flutter/domain/repositories/program_repository.dart';
import 'package:trainhub_flutter/presentation/home/home_state.dart';

part 'home_controller.g.dart';

@riverpod
class HomeController extends _$HomeController {
  @override
  Future<HomeState> build() async {
    final ProgramRepository programRepo = getIt<ProgramRepository>();
    final programs = await programRepo.getAllPrograms();
    if (programs.isEmpty) return const HomeState();
    final activeProgram = programs.first;
    final workouts = await programRepo.getWorkouts(activeProgram.id);
    final completed = workouts.where((w) => w.completed).toList();
    final next = workouts.where((w) => !w.completed).firstOrNull;
    return HomeState(
      activeProgramName: activeProgram.name,
      completedWorkouts: completed.length,
      totalWorkouts: workouts.length,
      nextWorkoutName: next?.name,
      recentActivity: completed.reversed.take(5).toList(),
    );
  }

  Future<void> refresh() async {
    state = const AsyncValue.loading();
    state = await AsyncValue.guard(() => build());
  }
}