import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../models/network/network_site.dart';
import '../../models/network/topology_graph.dart';
import 'network_devices_provider.dart';
import 'network_sites_provider.dart';

/// Aggregate topology for a specific site (or null for orphan devices).
///
/// This rebuilds whenever any of the underlying tables changes — invalidation
/// flows from the granular providers (sites, locations, devices, ports, links,
/// vlans) up through this aggregate.
final topologyForSiteProvider =
    FutureProvider.family<TopologyGraph, String?>((ref, siteId) async {
  final sites = await ref.watch(networkSitesProvider.future);
  final locations = await ref.watch(networkLocationsProvider.future);
  final devices = await ref.watch(networkDevicesProvider.future);
  final ports = await ref.watch(networkPortsProvider.future);
  final links = await ref.watch(networkLinksProvider.future);
  final vlans = await ref.watch(networkVlansProvider.future);

  NetworkSite? site;
  if (siteId != null) {
    for (final s in sites) {
      if (s.id == siteId) {
        site = s;
        break;
      }
    }
  }

  return TopologyGraph.build(
    site: site,
    allLocations: locations,
    allDevices: devices,
    allPorts: ports,
    allLinks: links,
    allVlans: vlans,
  );
});

final topologyViewModeProvider =
    StateProvider<TopologyViewMode>((ref) => TopologyViewMode.physical);