Регистрация

import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:plantual_1/ui/auth/signInScreen.dart';
import 'package:plantual_1/widgets/round_button.dart';
import 'package:plantual_1/utils/utils.dart';

import '../../scenes/home.dart';

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

  @override
  State<signUpScreen> createState() => _signUpScreenState();
}

class _signUpScreenState extends State<signUpScreen> {

  bool loading = false;
  final _formKey = GlobalKey<FormState>();
  final emailController = TextEditingController();
  final passwordController = TextEditingController();

  FirebaseAuth _auth = FirebaseAuth.instance;

  @override
  void dispose(){
    super.dispose();
    emailController.dispose();
    passwordController.dispose();
  }

  void signUp(){
    setState(() {
      loading = true;
    });
    _auth.createUserWithEmailAndPassword(
        email: emailController.text.toString(),
        password: passwordController.text.toString()).then((value){
      setState(() {
        loading = false;
      });
      utilsDone().toastMessage('Аккаунт успешно создан');
      Navigator.push(context, MaterialPageRoute(builder: (context) => Home()));
    }).onError((error, stackTrace){
      if(error.toString() == '[firebase_auth/invalid-email] The email address is badly formatted.') {
        utilsError().toastMessage('Почта введена неправильно');
      };
      setState(() {
        loading = false;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.lightGreen,
        foregroundColor: Colors.white,
        centerTitle: true,
        title: Text('Регистрация', style: TextStyle(color: Colors.white)),
      ),
      body: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 20),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            Form(
              key: _formKey,
              child: Column(
                children: [
                  TextFormField(
                    keyboardType: TextInputType.emailAddress,
                    controller: emailController,
                    decoration: const InputDecoration(
                        hintText: 'Почта',
                        helperText: 'Введите эл.почту',
                        prefixIcon: Icon(Icons.alternate_email)
                    ),
                    validator: (value) {
                      if(value!.isEmpty){
                        return 'Введите почту';
                      }
                      return null;
                    },
                  ),
                  const SizedBox(height: 10),
                  TextFormField(
                    keyboardType: TextInputType.text,
                    obscureText: true,
                    controller: passwordController,
                    decoration: const InputDecoration(
                        hintText: 'Пароль',
                        helperText: 'Введите пароль',
                        prefixIcon: Icon(Icons.lock_open)
                    ),
                    validator: (value) {
                      if(value!.isEmpty){
                        return 'Введите пароль';
                      }
                      return null;
                    },
                  ),
                ],
              ),
            ),
            const SizedBox(height: 30),
            roundButton(
              title: 'Зарегистрироваться',
              loading: loading,
              onTap: () {
              if(_formKey.currentState!.validate()){
                signUp();
              }
            },),
            const SizedBox(height: 10),
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text('Уже есть аккаунт?'),
                TextButton(
                    onPressed: (){
                      Navigator.push(context,
                          MaterialPageRoute(builder: (context) => signInScreen())
                      );
                    },
                    child: Text('Войти'))
              ],
            )
          ],
        ),
      ),
    );
  }
}