lib/src/presentation/screens/workout_form_screen.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import 'package:trainlog/src/data/models/exercise.dart';
import 'package:trainlog/src/data/models/set_entry.dart';
import 'package:trainlog/src/data/models/workout.dart';
import 'package:trainlog/src/data/models/workout_exercise.dart';
import 'package:trainlog/src/presentation/providers/exercise_providers.dart';
import 'package:trainlog/src/presentation/providers/isar_provider.dart';
import 'package:trainlog/src/presentation/providers/settings_provider.dart';
import 'package:trainlog/src/presentation/providers/workout_providers.dart';

class WorkoutFormScreen extends ConsumerStatefulWidget {
  final int? workoutId;
  
  const WorkoutFormScreen({super.key, this.workoutId});
  
  @override
  ConsumerState<WorkoutFormScreen> createState() => _WorkoutFormScreenState();
}

class _WorkoutFormScreenState extends ConsumerState<WorkoutFormScreen> {
  final _formKey = GlobalKey<FormState>();
  late DateTime _date;
  late WorkoutType _type;
  final _noteController = TextEditingController();
  final _moodController = TextEditingController();
  final _durationController = TextEditingController();
  
  final List<_WorkoutExerciseEntry> _exercises = [];
  bool _isLoading = false;
  
  @override
  void initState() {
    super.initState();
    _date = DateTime.now();
    _type = WorkoutType.strength;
    
    if (widget.workoutId != null) {
      _loadWorkout();
    }
  }
  
  Future<void> _loadWorkout() async {
    setState(() => _isLoading = true);