Ontime/flutter_user_clone/lib/main.dart

import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';

import 'ontime_auth.dart';

const String _kLoginPath = 'pelanggan/login';
const String _kDial = '62';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();
  runApp(const UserCloneApp());
}

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

  static const Color primary = Color(0xFF5BC8DA);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'OnTime User Clone',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: primary),
        scaffoldBackgroundColor: Colors.white,
        useMaterial3: true,
      ),
      home: const UserLoginPage(),
    );
  }
}

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

  @override
  State<UserLoginPage> createState() => _UserLoginPageState();
}

class _UserLoginPageState extends State<UserLoginPage> {
  final _phone = TextEditingController();
  final _password = TextEditingController();
  bool _showPassword = false;
  bool _busy = false;

  @override
  void dispose() {
    _phone.dispose();
    _password.dispose();
    super.dispose();
  }

  Future<void> _signIn() async {
    final pass = _password.text;
    final digits = _phone.text.trim();
    if (pass.isEmpty) {
      _toast('Isi password');
      return;
    }
    if (digits.isEmpty) {
      _toast('Isi nomor telepon');
      return;
    }

    setState(() => _busy = true);
    try {
      await FirebaseMessaging.instance.requestPermission();
      final token = await FirebaseMessaging.instance.getToken();
      if (token == null || token.length < 50) {
        _toast(
          'Token FCM belum siap. Izinkan notifikasi & pastikan google-services.json / API key Firebase valid.',
        );
        return;
      }

      final result = await OntimeAuth.login(
        path: _kLoginPath,
        password: pass,
        phoneDigits: digits,
        dialCodeWithoutPlus: _kDial,
        fcmToken: token,
      );

      if (!mounted) return;
      if (result.success) {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute<void>(
            builder: (_) => const _HomePlaceholder(title: 'OnTime Customer'),
          ),
        );
      } else {
        _toast(result.message);
      }
    } catch (e) {
      if (mounted) _toast('$e');
    } finally {
      if (mounted) setState(() => _busy = false);
    }
  }

  void _toast(String msg) {
    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: Stack(
          children: [
            SingleChildScrollView(
              child: Column(
                children: [
                  Container(
                    height: 290,
                    width: double.infinity,
                    color: const Color(0xFFE2F2FE),
                    child: const Center(
                      child: Icon(Icons.shopping_bag_outlined, size: 120, color: UserCloneApp.primary),
                    ),
                  ),
                  Padding(
                    padding: const EdgeInsets.fromLTRB(15, 0, 15, 24),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        const SizedBox(height: 12),
                        const Padding(
                          padding: EdgeInsets.only(left: 15),
                          child: Text('Log in dulu yuk!', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                        ),
                        const Padding(
                          padding: EdgeInsets.fromLTRB(15, 0, 15, 10),
                          child: Text(
                            'Nikmati belanja kebutuhan, makanan, dan service lainnya, langsung dari hapemu',
                            style: TextStyle(fontSize: 11),
                          ),
                        ),
                        const Padding(
                          padding: EdgeInsets.only(left: 15, top: 8),
                          child: Text('Nomor Telepon', style: TextStyle(fontSize: 11)),
                        ),
                        const SizedBox(height: 10),
                        _PhoneBox(controller: _phone),
                        const Padding(
                          padding: EdgeInsets.only(left: 15, top: 8),
                          child: Text('Password', style: TextStyle(fontSize: 11)),
                        ),
                        const SizedBox(height: 8),
                        Container(
                          height: 48,
                          decoration: BoxDecoration(
                            borderRadius: BorderRadius.circular(8),
                            border: Border.all(color: const Color(0xFFC4C4C4)),
                          ),
                          child: TextField(
                            controller: _password,
                            obscureText: !_showPassword,
                            decoration: InputDecoration(
                              hintText: 'Password',
                              border: InputBorder.none,
                              contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
                              suffixIcon: IconButton(
                                icon: Icon(_showPassword ? Icons.visibility_off : Icons.visibility),
                                onPressed: () => setState(() => _showPassword = !_showPassword),
                              ),
                            ),
                          ),
                        ),
                        const SizedBox(height: 20),
                        const Text('Lupa Password?', style: TextStyle(color: UserCloneApp.primary, fontSize: 14)),
                        const SizedBox(height: 12),
                        SizedBox(
                          width: double.infinity,
                          child: ElevatedButton(
                            onPressed: _busy ? null : _signIn,
                            style: ElevatedButton.styleFrom(
                              backgroundColor: UserCloneApp.primary,
                              foregroundColor: Colors.white,
                              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
                            ),
                            child: _busy
                                ? const SizedBox(
                                    height: 22,
                                    width: 22,
                                    child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
                                  )
                                : const Text('Sign In'),
                          ),
                        ),
                        const SizedBox(height: 10),
                        OutlinedButton(
                          onPressed: () {},
                          style: OutlinedButton.styleFrom(
                            minimumSize: const Size(double.infinity, 44),
                            foregroundColor: Colors.black,
                            side: const BorderSide(color: Colors.black26),
                            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
                          ),
                          child: const Text('Belum punya akun? Daftar dulu yuk'),
                        ),
                        const SizedBox(height: 12),
                        const Center(
                          child: Text(
                            'Dengan masuk, Anda menyetujui kebijakan privasi.',
                            textAlign: TextAlign.center,
                            style: TextStyle(fontSize: 11),
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ),
            const Positioned(
              top: 15,
              left: 15,
              child: SizedBox(width: 40, height: 40, child: Icon(Icons.arrow_back)),
            ),
          ],
        ),
      ),
    );
  }
}

class _PhoneBox extends StatelessWidget {
  const _PhoneBox({required this.controller});

  final TextEditingController controller;

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 48,
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(8),
        border: Border.all(color: const Color(0xFFC4C4C4)),
      ),
      child: Row(
        children: [
          const SizedBox(width: 80, child: Center(child: Text('+62', style: TextStyle(color: UserCloneApp.primary)))),
          Container(width: 1, margin: const EdgeInsets.symmetric(vertical: 6), color: const Color(0xFFC4C4C4)),
          Expanded(
            child: TextField(
              controller: controller,
              keyboardType: TextInputType.phone,
              decoration: const InputDecoration(
                hintText: 'Nomor Telepon',
                border: InputBorder.none,
                contentPadding: EdgeInsets.symmetric(horizontal: 10),
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _HomePlaceholder extends StatelessWidget {
  const _HomePlaceholder({required this.title});

  final String title;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text(title)),
      body: const Center(child: Text('Login berhasil')),
    );
  }
}