import 'package:flutter/material.dart';
import 'package:sales_chat/models/stats.dart';
import 'package:sales_chat/services/api_service.dart';

class StatsProvider with ChangeNotifier {
  final ApiService _apiService;

  MyStats? _myStats;
  List<RankingEntry> _ranking = [];
  bool _isLoading = false;
  String? _error;

  StatsProvider(this._apiService);

  MyStats? get myStats => _myStats;
  List<RankingEntry> get ranking => _ranking;
  bool get isLoading => _isLoading;
  String? get error => _error;

  /// Load the current user's stats
  Future<void> loadMyStats() async {
    _isLoading = true;
    _error = null;
    notifyListeners();

    try {
      _myStats = await _apiService.getMyStats();
      _isLoading = false;
      notifyListeners();
    } catch (e) {
      _error = 'Failed to load stats';
      _isLoading = false;
      notifyListeners();
    }
  }

  /// Load the ranking list
  Future<void> loadRanking({String period = 'monthly'}) async {
    try {
      _ranking = await _apiService.getRanking(period: period);
      notifyListeners();
    } catch (e) {
      // Handle silently
    }
  }

  void clearError() {
    _error = null;
    notifyListeners();
  }

  Future<void> refresh() async {
    await loadMyStats();
    await loadRanking();
  }
}