// State Notifier
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../data/models/bar_data.dart';
import '../../models/chart_item.dart';

class ChartLayoutNotifier extends StateNotifier<List<ChartItem>> {
  ChartLayoutNotifier() : super(_initialCharts);

  static final List<BarData> _defaultData = [
    BarData(Colors.blue, 10, 5, '4', 'a', 8),
    BarData(Colors.orange, 12, 6, '5', 'b', 10),
    BarData(Colors.green, 8, 5, '6', 'c', 5),
  ];

  static final List<ChartItem> _initialCharts = [
    ChartItem('1', 'Chart A', _defaultData, ['A', 'B', 'C']),
    ChartItem('2', 'Chart B', _defaultData, ['A', 'B', 'C']),
    ChartItem('3', 'Chart C', _defaultData, ['A', 'B', 'C']),
  ];

  void reorder(int oldIndex, int newIndex) {
    final List<ChartItem> newList = List.from(state);
    final item = newList.removeAt(oldIndex);
    newList.insert(newIndex, item);
    state = newList;
  }

  // void reorder(List<String> newItems) {
  //   state = newItems; // or whatever logic you use
  // }
}

final chartLayoutProvider =
    StateNotifierProvider<ChartLayoutNotifier, List<ChartItem>>((ref) {
      return ChartLayoutNotifier();
    });