import "package:flutter/foundation.dart";

import "../../src/local_state.dart";

class SettingsProvider extends ChangeNotifier {
  SettingsProvider(this._settingsStore) : settings = _settingsStore.settings;

  static const Map<String, String> _legacyModelAliases = {
    "google/gemini-2.0-flash": "google/gemini-2.0-flash-001",
  };

  final SettingsStore _settingsStore;
  LocalSettings settings;

  String normalizeModelId(String? modelId) {
    if (modelId == null || modelId.isEmpty) {
      return "anthropic/claude-sonnet-4.6";
    }

    return _legacyModelAliases[modelId] ?? modelId;
  }

  Future<void> updateModel(String newModel) async {
    final normalizedModel = normalizeModelId(newModel);
    await _settingsStore.update(
      (current) => current.copyWith(model: normalizedModel),
    );
    settings = _settingsStore.settings;
    notifyListeners();
  }

  Future<void> updateApiKey(String newKey) async {
    await _settingsStore.update(
      (current) => current.copyWith(openRouterApiKey: newKey),
    );
    settings = _settingsStore.settings;
    notifyListeners();
  }

  Future<void> updateTheme(String newTheme) async {
    await _settingsStore.update((current) => current.copyWith(theme: newTheme));
    settings = _settingsStore.settings;
    notifyListeners();
  }

  Future<void> updateEffortLevel(String newLevel) async {
    await _settingsStore.update(
      (current) => current.copyWith(effortLevel: newLevel),
    );
    settings = _settingsStore.settings;
    notifyListeners();
  }

  Future<void> resetToDefaults() async {
    await _settingsStore.update((_) => const LocalSettings());
    settings = _settingsStore.settings;
    notifyListeners();
  }
}