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import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:linkchat/settings/preferences.dart';
import 'package:social_login_buttons/social_login_buttons.dart';
import '../firebase/auth.dart';
import '../widgets/loading_modal_widget.dart';
import '../widgets/responsive.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen>
with SingleTickerProviderStateMixin {
late AnimationController _controller;
final Auth _auth = Auth();
bool isLoading = false;
bool isInit = false;
final padding = 16.0;
final spacer = const SizedBox(height: 16.0);
// TextField controllers
late TextEditingController _emailController;
late TextEditingController _passwordController;
@override
void initState() {
super.initState();
_emailController = TextEditingController();
_passwordController = TextEditingController();
_controller = AnimationController(vsync: this);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Widget logoItc() => Padding(
padding: EdgeInsets.all(padding * 2),
child: Image.asset('assets/logo.png', height: 120.0),
);
Widget loginForm() => Column(
children: [
spacer,
Container(
width: double.infinity,
alignment: Alignment.centerLeft,
padding: EdgeInsets.symmetric(horizontal: padding),
child: Text(
'Iniciar sesión',
style: Theme.of(context).textTheme.displaySmall,
textAlign: TextAlign.left,
),
),
Card(
margin: EdgeInsets.all(padding),
child: Padding(
padding: EdgeInsets.all(padding),
child: Column(
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.center,
children: [
TextField(
controller: _emailController,
decoration: const InputDecoration(
border: OutlineInputBorder(),
labelText: 'Correo electrónico',
hintText: 'test@example.com',
),
keyboardType: TextInputType.emailAddress,
),
spacer,
TextField(
controller: _passwordController,
obscureText: true,
decoration: const InputDecoration(
border: OutlineInputBorder(),
labelText: 'Contraseña',
),
),
spacer,
SocialLoginButton(
buttonType: SocialLoginButtonType.generalLogin,
text: 'Iniciar sesión',
backgroundColor: Theme.of(context).colorScheme.primary,
onPressed: () => onLoginClicked(context),
),
spacer,
TextButton(
onPressed: () {
Navigator.of(context).pushNamed('/register');
},
child: const Text('Crear cuenta'),
),
],
),
),
),
],
);
void onLoginClicked(BuildContext context) {
setState(() {
isLoading = true;
});
_auth
.signInWithEmailAndPassword(
email: _emailController.text,
password: _passwordController.text,
)
.then((result) {
setState(() {
isLoading = false;
});
result.fold(
(user) {
if (user != null && user.emailVerified == false) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('El correo no está verificado')),
);
} else {
Preferences.getShowOnboarding().then((show) {
Navigator.of(context)
.pushReplacementNamed(show ? '/onboard' : '/dash');
});
}
},
(error) => handleError(error),
);
});
}
void onGoogleLoginClicked(BuildContext context) {
setState(() {
isLoading = true;
});
_auth.signInWithGoogle().then((result) {
setState(() {
isLoading = false;
});
result.fold(
(user) {},
(error) => handleError(error),
);
});
}
void onGithubLoginClicked(BuildContext context) {
setState(() {
isLoading = true;
});
_auth.signInWithGithub().then((result) {
setState(() {
isLoading = false;
});
result.fold(
(user) {},
(error) => handleError(error),
);
});
}
void handleError(FirebaseException error) {
String message;
switch (error.code) {
case 'invalid-email':
message = 'El correo electrónico es inválido';
case 'user-disabled':
message = 'El usuario está desactivado';
case 'user-not-found':
message = 'El usuario no existe';
case 'wrong-password':
message = 'La contraseña es incorrecta.';
default:
message = 'Ocurrió un error desconocido';
}
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text(message)));
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
SingleChildScrollView(
child: SafeArea(
child: Responsive(
mobile: Column(
children: [logoItc(), loginForm()],
),
desktop: Row(
children: [
Expanded(child: logoItc()),
Expanded(child: loginForm()),
],
),
),
),
),
isLoading ? const LoadingModal() : const SizedBox.shrink(),
],
),
);
}
}
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