import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import 'package:styled_widget/styled_widget.dart';
import 'package:surface/providers/navigation.dart';

class AppRailNavigation extends StatefulWidget {
  const AppRailNavigation({super.key});

  @override
  State<AppRailNavigation> createState() => _AppRailNavigationState();
}

class _AppRailNavigationState extends State<AppRailNavigation> {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) {
      context.read<NavigationProvider>().autoDetectIndex(GoRouter.maybeOf(context));
    });
  }

  @override
  Widget build(BuildContext context) {
    final nav = context.watch<NavigationProvider>();

    return ListenableBuilder(
      listenable: nav,
      builder: (context, _) {
        final destinations = nav.destinations.where((ele) => ele.isPinned).toList();

        return SizedBox(
          width: 80,
          child: NavigationRail(
            selectedIndex:
                nav.currentIndex != null && nav.currentIndex! < nav.pinnedDestinationCount ? nav.currentIndex : null,
            destinations: [
              ...destinations.where((ele) => ele.isPinned).map((ele) {
                return NavigationRailDestination(
                  icon: ele.icon,
                  label: Text(ele.label).tr(),
                );
              }),
            ],
            trailing: Expanded(
              child: Align(
                alignment: Alignment.bottomCenter,
                child: StyledWidget(
                  IconButton(
                    icon: const Icon(Symbols.menu),
                    onPressed: () {
                      Scaffold.of(context).openDrawer();
                    },
                  ),
                ).padding(bottom: 16),
              ),
            ),
            onDestinationSelected: (idx) {
              nav.setIndex(idx);
              GoRouter.of(context).goNamed(destinations[idx].screen);
            },
          ),
        );
      },
    );
  }
}
