import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../../../core/network/api_exception.dart';
import '../../../data/repositories/node_repository.dart';
import '../../../data/repositories/nodes_repository.dart';
import '../providers/dashboard_summary_provider.dart';

class QuickActionsRow extends ConsumerStatefulWidget {
  const QuickActionsRow({super.key});

  @override
  ConsumerState<QuickActionsRow> createState() => _QuickActionsRowState();
}

class _QuickActionsRowState extends ConsumerState<QuickActionsRow> {
  bool _busy = false;

  Future<void> _guarded(Future<String> Function() action) async {
    setState(() => _busy = true);
    try {
      final message = await action();
      if (mounted) ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
    } catch (e) {
      final message = e is ApiException ? e.userMessage : e.toString();
      if (mounted) ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
    } finally {
      if (mounted) setState(() => _busy = false);
    }
  }

  Future<void> _scan() => _guarded(() async {
    final repo = ref.read(nodeRepositoryProvider);
    if (repo == null) throw StateError('No active connection.');
    final result = await repo.scan();
    await ref.read(dashboardSummaryProvider.notifier).refresh();
    final changed = result.created.length + result.updated.length;
    return changed == 0
        ? 'Scan complete — no changes (${result.found} compose file(s) found)'
        : 'Scan complete — ${result.created.length} new, ${result.updated.length} updated';
  });

  Future<void> _runBackup() => _guarded(() async {
    final repo = ref.read(nodeRepositoryProvider);
    if (repo == null) throw StateError('No active connection.');
    await repo.runBackup();
    await ref.read(dashboardSummaryProvider.notifier).refresh();
    return 'Backup started';
  });

  Future<void> _recheckFleet() => _guarded(() async {
    await ref.read(aggregatedNodesProvider.notifier).refresh();
    return 'Fleet status refreshed';
  });

  @override
  Widget build(BuildContext context) {
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(14),
        child: Wrap(
          spacing: 10,
          runSpacing: 10,
          children: [
            FilledButton.icon(
              onPressed: _busy ? null : _scan,
              icon: const Icon(Icons.search_rounded, size: 17),
              label: const Text('Scan for services'),
            ),
            OutlinedButton.icon(
              onPressed: _busy ? null : _runBackup,
              icon: const Icon(Icons.cloud_outlined, size: 17),
              label: const Text('Run backup now'),
            ),
            OutlinedButton.icon(
              onPressed: _busy ? null : _recheckFleet,
              icon: const Icon(Icons.refresh_rounded, size: 17),
              label: const Text('Re-check fleet'),
            ),
          ],
        ),
      ),
    );
  }
}