Untitled

import 'package:flutter_application_1/services/firebase_service.dart';
import 'package:flutter/material.dart';
import 'signin.dart';

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

  @override
  SignupPageState createState() => SignupPageState();
}

class SignupPageState extends State<SignupPage> {
  final _formKey = GlobalKey<FormState>();
  final _firstNameController = TextEditingController();
  final _lastNameController = TextEditingController();
  final _emailController = TextEditingController();
  final _mobileController = TextEditingController();
  final _passwordController = TextEditingController();

  bool _isLoading = false;
  bool _obscurePassword = true;

  @override
  void dispose() {
    _firstNameController.dispose();
    _lastNameController.dispose();
    _emailController.dispose();
    _mobileController.dispose();
    _passwordController.dispose();
    super.dispose();
  }

  Future<void> _signUp() async {
    if (!_formKey.currentState!.validate()) return;

    setState(() => _isLoading = true);

    try {
      final result = await FirebaseService.createAccount(
        firstName: _firstNameController.text.trim(),
        lastName: _lastNameController.text.trim(),
        email: _emailController.text.trim(),
        mobileNumber: _mobileController.text.trim(),
        password: _passwordController.text.trim(),
      );

      if (result['success']) {
        _showSuccessMessage(result['message']);
      } else {
        _showErrorDialog(result['error']);
      }
    } catch (e) {
      _showErrorDialog('An unexpected error occurred. Please try again.');
    } finally {
      setState(() => _isLoading = false);
    }
  }

  void _showSuccessMessage(String message) {
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text(message),
        backgroundColor: Colors.green,
      ),
    );
    // Navigate to todo dashboard or sign-in page after successful sign-up
    Navigator.pushAndRemoveUntil(
      context,
      MaterialPageRoute(builder: (context) => const SigninPage()), // Change to your desired screen
      (route) => false, // removes all previous routes or pages
    );
  }

  void _showErrorDialog(String message) {
    showDialog(
      context: context,
      builder: (ctx) => AlertDialog(
        title: const Text('Error'),
        content: Text(message),
        actions: [
          TextButton(
            onPressed: () => Navigator.of(ctx).pop(),
            child: const Text('OK'),
          ),
        ],
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Sign Up'),
        backgroundColor: const Color.fromARGB(255, 248, 150, 235),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16.0),
        child: Form(
          key: _formKey,
          child: Column(
            children: [
              const SizedBox(height: 20),
              const Text(
                'Create an Account',
                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
              ),
              const SizedBox(height: 10),
              const Text(
                'Sign up to get started',
                style: TextStyle(fontSize: 16, color: Colors.grey),
              ),
              const SizedBox(height: 30),
              TextFormField(
                controller: _firstNameController,
                decoration: const InputDecoration(
                  labelText: 'First Name',
                  border: OutlineInputBorder(),
                  prefixIcon: Icon(Icons.person),
                ),
                validator: (value) {
                  if (value == null || value.trim().isEmpty) {
                    return 'Please enter your first name';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _lastNameController,
                decoration: const InputDecoration(
                  labelText: 'Last Name',
                  border: OutlineInputBorder(),
                  prefixIcon: Icon(Icons.person),
                ),
                validator: (value) {
                  if (value == null || value.trim().isEmpty) {
                    return 'Please enter your last name';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _emailController,
                decoration: const InputDecoration(
                  labelText: 'Email',
                  border: OutlineInputBorder(),
                  prefixIcon: Icon(Icons.email),
                ),
                keyboardType: TextInputType.emailAddress,
                validator: (value) {
                  if (value == null || value.trim().isEmpty) {
                    return 'Please enter your email';
                  }
                  if (!RegExp(r'^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$').hasMatch(value)) {
                    return 'Please enter a valid email';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _mobileController,
                decoration: const InputDecoration(
                  labelText: 'Mobile Number',
                  border: OutlineInputBorder(),
                  prefixIcon: Icon(Icons.phone),
                ),
                keyboardType: TextInputType.phone,
                validator: (value) {
                  if (value == null || value.trim().isEmpty) {
                    return 'Please enter your mobile number';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _passwordController,
                decoration: InputDecoration(
                  labelText: 'Password',
                  border: const OutlineInputBorder(),
                  prefixIcon: const Icon(Icons.lock),
                  suffixIcon: IconButton(
                    icon: Icon(
                      _obscurePassword ? Icons.visibility : Icons.visibility_off,
                    ),
                    onPressed: () {
                      setState(() => _obscurePassword = !_obscurePassword);
                    },
                  ),
                ),
                obscureText: _obscurePassword,
                validator: (value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter your password';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 24),
              _isLoading
                  ? const CircularProgressIndicator()
                  : SizedBox(
                      width: double.infinity,
                      height: 50,
                      child: ElevatedButton(
                        onPressed: _signUp,
                        style: ElevatedButton.styleFrom(
                          backgroundColor: const Color.fromARGB(255, 250, 142, 223),
                          foregroundColor: Colors.white,
                        ),
                        child: const Text(
                          'Sign Up',
                          style: TextStyle(fontSize: 18),
                        ),
                      ),
                    ),
              const SizedBox(height: 16),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  const Text("Already have an account?"),
                  TextButton(
                    onPressed: () {
                      Navigator.pushReplacementNamed(context, '/signin');
                    },
                    child: const Text('Sign In'),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }
}