import 'package:flutter/material.dart';

void main() {
  runApp(const AttendEaseApp());
}

class AttendEaseApp extends StatelessWidget {
  const AttendEaseApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'AttendEase Admin',
      theme: ThemeData(
        colorScheme: ColorScheme.light(
          primary: Colors.blue,
          secondary: Colors.purple,
        ),
        useMaterial3: true,
      ),
      darkTheme: ThemeData.dark().copyWith(
        colorScheme: ColorScheme.dark(
          primary: Colors.blueAccent,
          secondary: Colors.deepPurple,
        ),
        cardTheme: CardTheme(
          color: Colors.grey[900],
        ),
      ),
      home: const MainScreen(),
    );
  }
}

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

  @override
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  int _currentIndex = 0;
  final List<Widget> _screens = [
    const DashboardScreen(),
    const StudentManagementScreen(),
    const LecturerManagementScreen(),
    const ReportScreen(),
    const SettingsScreen(),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('AttendEase Admin'),
        actions: [
          IconButton(
            icon: Icon(
              Theme.of(context).brightness == Brightness.light
                  ? Icons.dark_mode
                  : Icons.light_mode,
            ),
            onPressed: () {
              setState(() {
                if (Theme.of(context).brightness == Brightness.light) {
                  ThemeData.dark();
                } else {
                  ThemeData.light();
                }
              });
            },
          ),
          IconButton(
            icon: const Icon(Icons.person),
            onPressed: () {
              // Profile action
            },
          ),
        ],
      ),
      body: _screens[_currentIndex],
      bottomNavigationBar: BottomNavigationBar(
        currentIndex: _currentIndex,
        onTap: (index) {
          setState(() {
            _currentIndex = index;
          });
        },
        items: const [
          BottomNavigationBarItem(
            icon: Icon(Icons.dashboard),
            label: 'Dashboard',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.people),
            label: 'Students',
          ),
          BottomNavigation,BarItem(
            icon: Icon(Icons.school),
            label: 'Lecturers',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.assessment),
            label: 'Reports',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.settings),
            label: 'Settings',
          ),
        ],
      ),
    );
  }
}

// Implement all the screen classes (DashboardScreen, StudentManagementScreen, etc.)
// with the UI components you described in your specifications

import 'package:flutter/material.dart';

void main() {
  runApp(const AttendEaseApp());
}

class AttendEaseApp extends StatelessWidget {
  const AttendEaseApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'AttendEase Admin',
      theme: ThemeData(
        colorScheme: ColorScheme.light(
          primary: Colors.blue,
          secondary: Colors.purple,
        ),
        useMaterial3: true,
      ),
      darkTheme: ThemeData.dark().copyWith(
        colorScheme: ColorScheme.dark(
          primary: Colors.blueAccent,
          secondary: Colors.deepPurple,
        ),
        cardTheme: CardTheme(
          color: Colors.grey[900],
        ),
      ),
      home: const MainScreen(),
    );
  }
}

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

  @override
  State<MainScreen> createState() => _MainScreenState();
}

class _MainScreenState extends State<MainScreen> {
  int _currentIndex = 0;
  final List<Widget> _screens = [
    const DashboardScreen(),
    const StudentManagementScreen(),
    const LecturerManagementScreen(),
    const ReportScreen(),
    const SettingsScreen(),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('AttendEase Admin'),
        actions: [
          IconButton(
            icon: Icon(
              Theme.of(context).brightness == Brightness.light
                  ? Icons.dark_mode
                  : Icons.light_mode,
            ),
            onPressed: () {
              setState(() {
                if (Theme.of(context).brightness == Brightness.light) {
                  ThemeData.dark();
                } else {
                  ThemeData.light();
                }
              });
            },
          ),
          IconButton(
            icon: const Icon(Icons.person),
            onPressed: () {
              // Profile action
            },
          ),
        ],
      ),
      body: _screens[_currentIndex],
      bottomNavigationBar: BottomNavigationBar(
        currentIndex: _currentIndex,
        onTap: (index) {
          setState(() {
            _currentIndex = index;
          });
        },
        items: const [
          BottomNavigationBarItem(
            icon: Icon(Icons.dashboard),
            label: 'Dashboard',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.people),
            label: 'Students',
          ),
          BottomNavigation,BarItem(
            icon: Icon(Icons.school),
            label: 'Lecturers',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.assessment),
            label: 'Reports',
          ),
          BottomNavigationBarItem(
            icon: Icon(Icons.settings),
            label: 'Settings',
          ),
        ],
      ),
    );
  }
}

// Implement all the screen classes (DashboardScreen, StudentManagementScreen, etc.)
// with the UI components you described in your specifications