import 'package:flutter/material.dart';
import 'package:flutter_adaptive_scaffold/flutter_adaptive_scaffold.dart';
import 'package:go_router/go_router.dart';

import '../../routing/app_router.dart';

/// Main application scaffold with adaptive navigation.
class AppScaffold extends StatelessWidget {
  const AppScaffold({super.key, required this.child});

  final Widget child;

  @override
  Widget build(BuildContext context) {
    return AdaptiveScaffold(
      selectedIndex: _selectedIndex(context),
      onSelectedIndexChange: (index) => _onNavSelected(context, index),
      destinations: const [
        NavigationDestination(
          icon: Icon(Icons.dashboard_outlined),
          selectedIcon: Icon(Icons.dashboard),
          label: 'Dashboard',
        ),
        NavigationDestination(
          icon: Icon(Icons.chat_outlined),
          selectedIcon: Icon(Icons.chat),
          label: 'Tatlock',
        ),
        NavigationDestination(
          icon: Icon(Icons.dns_outlined),
          selectedIcon: Icon(Icons.dns),
          label: 'Containers',
        ),
        NavigationDestination(
          icon: Icon(Icons.home_outlined),
          selectedIcon: Icon(Icons.home),
          label: 'Housekeeping',
        ),
        NavigationDestination(
          icon: Icon(Icons.settings_outlined),
          selectedIcon: Icon(Icons.settings),
          label: 'Settings',
        ),
      ],
      body: (_) => child,
      smallBody: (_) => child,
      useDrawer: false,
    );
  }

  int _selectedIndex(BuildContext context) {
    final location = GoRouterState.of(context).matchedLocation;

    if (location.startsWith(AppRoutes.containers)) return 2;
    if (location.startsWith(AppRoutes.chat)) return 1;
    if (location.startsWith(AppRoutes.housekeeping)) return 3;
    if (location.startsWith(AppRoutes.settings)) return 4;
    return 0; // Dashboard
  }

  void _onNavSelected(BuildContext context, int index) {
    final route = switch (index) {
      0 => AppRoutes.dashboard,
      1 => AppRoutes.chat,
      2 => AppRoutes.containers,
      3 => AppRoutes.housekeeping,
      4 => AppRoutes.settings,
      _ => AppRoutes.dashboard,
    };
    context.go(route);
  }
}