import 'package:fintracker_api/fintracker_api.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../core/api/api_client.dart';
import '../../core/cache/cached.dart';

/// See `docs/ai/offline-cache.md`.
final rulesListProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((ref) async {
  final r = await ref.watch(apiProvider).getRulesApi().rulesList();
  return Cached(r.data ?? const [], fetchedAt: r.extra['fetchedAt'] as DateTime?);
});

/// Enabled rules that matched nothing in the latest refresh — «устарело» here is a business
/// concept (the rule looks dead), unrelated to the offline-cache staleness this file also
/// tracks; both happen to be named "stale" in their own domains.
final rulesStaleProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((ref) async {
  final r = await ref.watch(apiProvider).getRulesApi().rulesStale();
  return Cached(r.data ?? const [], fetchedAt: r.extra['fetchedAt'] as DateTime?);
});

final staleRuleIdsProvider = Provider.autoDispose<Set<int>>((ref) {
  final stale = ref.watch(rulesStaleProvider).valueOrNull?.data ?? const [];
  return {for (final r in stale) r.id};
});