import 'package:flutter/material.dart';
import '../services/mark_list_service.dart';

class MarkListProvider extends ChangeNotifier {
  MarkListService? _service;

  List<dynamic> marks = [];
  bool loading = false;

  void init(BuildContext context) {
    _service = MarkListService(context);
  }

  Future<void> loadMarks(BuildContext context) async {
    loading = true;
    notifyListeners();

    _service ??= MarkListService(context);

    final res = await _service!.getMarks();

    if (res['success'] == true) {
      marks = res['data'] ?? [];
    }

    loading = false;
    notifyListeners();
  }

  Future<Map<String, dynamic>> addMark(BuildContext context, String mark, String origin, String destination) async {
    _service ??= MarkListService(context);

    final res = await _service!.addMark({
      "mark_no": mark,
      "origin": origin,
      "destination": destination
    });

    if (res['success'] == true) {
      await loadMarks(context); // refresh list
    }

    return res;
  }
}