import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:smarthelmet_app/home_screen_content.dart';
import 'package:smarthelmet_app/control_screen.dart';
import 'package:smarthelmet_app/history_screen.dart';
import 'package:smarthelmet_app/rent_return_screen.dart';
import 'package:smarthelmet_app/settings_screen.dart';
import 'package:smarthelmet_app/login_screen.dart';

final Color _mainBlueColor = const Color(0xFF002FA7);
final Color _mainTextColor = const Color(0xFF1C1C1E);
final Color _subTextColor = const Color(0xFF6A717B);
final Color _pageBackgroundColor = const Color(0xFFF5F7F9);
final Color _cardBackgroundColor = Colors.white;

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

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

  @override
  Widget build(BuildContext context) {
    SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
      statusBarColor: Colors.transparent,
      statusBarIconBrightness: Brightness.dark,
    ));

    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        brightness: Brightness.light,
        scaffoldBackgroundColor: _pageBackgroundColor,
        primaryColor: _mainBlueColor,
        fontFamily: 'Pretendard',
        textTheme: TextTheme(
          bodyLarge: TextStyle(color: _mainTextColor, fontWeight: FontWeight.w500),
          bodyMedium: TextStyle(color: _subTextColor, fontWeight: FontWeight.w400),
        ),
      ),
      home: const LoginScreen(),
    );
  }
}

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

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  int _selectedIndex = 0;

  final List<Widget> _screens = [
    const HomeScreenContent(),
    const HistoryScreen(),
    const ControlScreen(),
    const RentReturnScreen(),
    const SettingsScreen(),
  ];

  @override
  Widget build(BuildContext context) {
    return MediaQuery(
      data: MediaQuery.of(context).copyWith(
        textScaler: const TextScaler.linear(1.0),
      ),
      child: Scaffold(
        body: SafeArea(
          bottom: false,
          child: Column(
            children: [
              Expanded(
                child: _screens[_selectedIndex],
              ),
            ],
          ),
        ),
        bottomNavigationBar: BottomNavigationBar(
          currentIndex: _selectedIndex,
          onTap: (index) {
            setState(() {
              _selectedIndex = index;
            });
          },
          type: BottomNavigationBarType.fixed,
          backgroundColor: _mainBlueColor,
          elevation: 0,
          selectedItemColor: Colors.white,
          unselectedItemColor: Colors.white70,
          showUnselectedLabels: true,
          selectedFontSize: 12,
          unselectedFontSize: 12,
          selectedLabelStyle: const TextStyle(fontWeight: FontWeight.bold, height: 1.5),
          unselectedLabelStyle: const TextStyle(fontWeight: FontWeight.bold, height: 1.5),
          iconSize: 22,
          items: const [
            BottomNavigationBarItem(
              icon: Padding(padding: EdgeInsets.only(bottom: 2.0), child: Icon(Icons.home)),
              label: '홈',
            ),
            BottomNavigationBarItem(
              icon: Padding(padding: EdgeInsets.only(bottom: 2.0), child: Icon(Icons.history)),
              label: '기록',
            ),
            BottomNavigationBarItem(
              icon: Padding(padding: EdgeInsets.only(bottom: 2.0), child: Icon(Icons.settings_input_component)),
              label: '제어',
            ),
            BottomNavigationBarItem(
              icon: Padding(padding: EdgeInsets.only(bottom: 2.0), child: Icon(Icons.assignment_return_outlined)),
              label: '대여 / 반납',
            ),
            BottomNavigationBarItem(
              icon: Padding(padding: EdgeInsets.only(bottom: 2.0), child: Icon(Icons.settings)),
              label: '설정',
            ),
          ],
        ),
      ),
    );
  }
}