import 'package:flutter/material.dart';
import 'pages/photo_page.dart';
import 'pages/categories_page.dart';
import 'pages/add_photo_page.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'SnapWish',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MainPage(),
      routes: {
        '/add-photo': (context) => const AddPhotoPage(),
      },
    );
  }
}

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

  @override
  State<MainPage> createState() => _MainPageState();
}

class _MainPageState extends State<MainPage> {
  int _currentIndex = 0;

  final List<Widget> _pages = [
    const PhotoPage(),
    const CategoriesPage(),
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: _pages[_currentIndex],
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          Navigator.pushNamed(context, '/add-photo');
        },
        child: const Icon(Icons.add),
      ),
      bottomNavigationBar: NavigationBar(
        selectedIndex: _currentIndex,
        onDestinationSelected: (index) {
          setState(() {
            _currentIndex = index;
          });
        },
        destinations: const [
          NavigationDestination(
            icon: Icon(Icons.photo_library),
            label: '照片',
          ),
          NavigationDestination(
            icon: Icon(Icons.folder),
            label: '分类',
          ),
        ],
      ),
    );
  }
}