import 'dart:convert';

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:enter_farma_plus_mobile/src/core/storage/tenant_session_store.dart';

final recentEntitiesStoreProvider = Provider(
  (ref) => RecentEntitiesStore(ref.watch(secureStorageProvider)),
);

class RecentEntitiesStore {
  const RecentEntitiesStore(this._storage);

  final dynamic _storage;

  Future<List<Map<String, dynamic>>> read(String key) async {
    final raw = await _storage.read(key: key);
    if (raw == null || raw.isEmpty) {
      return const [];
    }
    final decoded = jsonDecode(raw);
    if (decoded is! List) {
      return const [];
    }
    return decoded
        .whereType<Map>()
        .map((item) => Map<String, dynamic>.from(item))
        .toList();
  }

  Future<void> saveRecent(String key, Map<String, dynamic> record) async {
    final current = await read(key);
    final id = '${record['id'] ?? ''}';
    current.removeWhere((item) => '${item['id'] ?? ''}' == id);
    current.insert(0, record);
    final trimmed = current.take(8).toList();
    await _storage.write(key: key, value: jsonEncode(trimmed));
  }
}