import 'package:flutter/material.dart';
import 'package:superport/utils/constants.dart';
import 'package:superport/screens/sidebar/widgets/sidebar_menu_header.dart';
import 'package:superport/screens/sidebar/widgets/sidebar_menu_footer.dart';
import 'package:superport/screens/sidebar/widgets/sidebar_menu_item.dart';
import 'package:superport/screens/sidebar/widgets/sidebar_menu_submenu.dart';
import 'package:superport/screens/sidebar/widgets/sidebar_menu_types.dart';

// 사이드바 메뉴 메인 위젯 (조립만 담당)
class SidebarMenu extends StatefulWidget {
  final String currentRoute;
  final Function(String) onRouteChanged;

  const SidebarMenu({
    super.key,
    required this.currentRoute,
    required this.onRouteChanged,
  });

  @override
  State<SidebarMenu> createState() => _SidebarMenuState();
}

class _SidebarMenuState extends State<SidebarMenu> {
  // 장비 관리 메뉴 확장 상태
  bool _isEquipmentMenuExpanded = false;
  // hover 상태 관리
  String? _hoveredRoute;

  @override
  void initState() {
    super.initState();
    _updateExpandedState();
  }

  @override
  void didUpdateWidget(SidebarMenu oldWidget) {
    super.didUpdateWidget(oldWidget);
    if (oldWidget.currentRoute != widget.currentRoute) {
      _updateExpandedState();
    }
  }

  // 현재 경로에 따라 장비 관리 메뉴 확장 상태 업데이트
  void _updateExpandedState() {
    final bool isEquipmentRoute =
        widget.currentRoute == Routes.equipment ||
        widget.currentRoute == Routes.equipmentInList ||
        widget.currentRoute == Routes.equipmentOutList ||
        widget.currentRoute == Routes.equipmentRentList;
    setState(() {
      _isEquipmentMenuExpanded = isEquipmentRoute;
    });
  }

  // 장비 관리 메뉴 확장/축소 토글
  void _toggleEquipmentMenu() {
    setState(() {
      _isEquipmentMenuExpanded = !_isEquipmentMenuExpanded;
    });
  }

  @override
  Widget build(BuildContext context) {
    // SRP 분할: 각 역할별 위젯 조립
    return Container(
      width: 260,
      color: const Color(0xFFF4F6F8), // 연회색 배경
      child: Column(
        children: [
          const SidebarMenuHeader(),
          Expanded(
            child: SingleChildScrollView(
              child: Padding(
                padding: const EdgeInsets.symmetric(vertical: 0),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    SidebarMenuItem(
                      icon: Icons.dashboard,
                      title: '대시보드',
                      route: Routes.home,
                      isActive: widget.currentRoute == Routes.home,
                      isHovered: _hoveredRoute == Routes.home,
                      onTap: () => widget.onRouteChanged(Routes.home),
                    ),
                    const SizedBox(height: 4),
                    SidebarMenuWithSubmenu(
                      icon: Icons.inventory,
                      title: '장비 관리',
                      route: Routes.equipment,
                      subItems: const [
                        SidebarSubMenuItem(
                          title: '입고',
                          route: Routes.equipmentInList,
                        ),
                        SidebarSubMenuItem(
                          title: '출고',
                          route: Routes.equipmentOutList,
                        ),
                        SidebarSubMenuItem(
                          title: '대여',
                          route: Routes.equipmentRentList,
                        ),
                      ],
                      isExpanded: _isEquipmentMenuExpanded,
                      isMenuActive: widget.currentRoute == Routes.equipment,
                      isSubMenuActive: [
                        Routes.equipmentInList,
                        Routes.equipmentOutList,
                        Routes.equipmentRentList,
                      ].contains(widget.currentRoute),
                      isHovered: _hoveredRoute == Routes.equipment,
                      onToggleExpanded: _toggleEquipmentMenu,
                      currentRoute: widget.currentRoute,
                      onRouteChanged: widget.onRouteChanged,
                    ),
                    const SizedBox(height: 4),
                    SidebarMenuItem(
                      icon: Icons.location_on,
                      title: '입고지 관리',
                      route: Routes.warehouseLocation,
                      isActive: widget.currentRoute == Routes.warehouseLocation,
                      isHovered: _hoveredRoute == Routes.warehouseLocation,
                      onTap:
                          () => widget.onRouteChanged(Routes.warehouseLocation),
                    ),
                    const SizedBox(height: 4),
                    SidebarMenuItem(
                      icon: Icons.business,
                      title: '회사 관리',
                      route: Routes.company,
                      isActive: widget.currentRoute == Routes.company,
                      isHovered: _hoveredRoute == Routes.company,
                      onTap: () => widget.onRouteChanged(Routes.company),
                    ),
                    const SizedBox(height: 4),
                    SidebarMenuItem(
                      icon: Icons.vpn_key,
                      title: '유지보수 관리',
                      route: Routes.license,
                      isActive: widget.currentRoute == Routes.license,
                      isHovered: _hoveredRoute == Routes.license,
                      onTap: () => widget.onRouteChanged(Routes.license),
                    ),
                  ],
                ),
              ),
            ),
          ),
          const SidebarMenuFooter(),
        ],
      ),
    );
  }
}