// import 'dart:async';
import 'package:refilc/api/client.dart';
import 'package:refilc/api/login.dart';
import 'package:refilc/theme/colors/colors.dart';
import 'package:refilc_mobile_ui/common/custom_snack_bar.dart';
import 'package:refilc_mobile_ui/common/system_chrome.dart';
import 'package:refilc_mobile_ui/screens/login/login_button.dart';
import 'package:refilc_mobile_ui/screens/login/login_input.dart';
import 'package:refilc_mobile_ui/screens/login/school_input/school_input.dart';
import 'package:refilc_mobile_ui/screens/settings/privacy_view.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'login_screen.i18n.dart';
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key, this.back = false});
final bool back;
@override
LoginScreenState createState() => LoginScreenState();
}
class LoginScreenState extends State<LoginScreen> {
final usernameController = TextEditingController();
final passwordController = TextEditingController();
final schoolController = SchoolInputController();
final _scrollController = ScrollController();
LoginState _loginState = LoginState.normal;
bool showBack = false;
// Scaffold Gradient background
// final LinearGradient _backgroundGradient = const LinearGradient(
// colors: [
// Color.fromARGB(255, 61, 122, 244),
// Color.fromARGB(255, 23, 77, 185),
// Color.fromARGB(255, 7, 42, 112),
// ],
// begin: Alignment(-0.8, -1.0),
// end: Alignment(0.8, 1.0),
// stops: [-1.0, 0.0, 1.0],
// );
late String tempUsername = '';
@override
void initState() {
super.initState();
showBack = widget.back;
SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
statusBarColor: Colors.transparent,
statusBarIconBrightness: Brightness.light,
systemNavigationBarColor: Colors.white,
systemNavigationBarIconBrightness: Brightness.dark,
));
FilcAPI.getSchools().then((schools) {
if (schools != null) {
schoolController.update(() {
schoolController.schools = schools;
});
} else {
ScaffoldMessenger.of(context).showSnackBar(CustomSnackBar(
content: Text("schools_error".i18n,
style: const TextStyle(color: Colors.white)),
backgroundColor: AppColors.of(context).red,
context: context,
));
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
decoration: BoxDecoration(color: AppColors.of(context).loginBackground),
child: SingleChildScrollView(
physics: const ClampingScrollPhysics(),
controller: _scrollController,
child: Container(
decoration:
BoxDecoration(color: AppColors.of(context).loginBackground),
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
child: SafeArea(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
alignment: Alignment.topLeft,
padding: const EdgeInsets.only(left: 16.0, top: 12.0),
child: ClipOval(
child: Material(
type: MaterialType.transparency,
child: showBack
? BackButton(
color: AppColors.of(context).loginPrimary)
: const SizedBox(height: 48.0),
),
),
),
if (!showBack)
const SizedBox(
height: 50.0,
),
// app icon
Padding(
padding: EdgeInsets.zero,
child: Image.asset(
'assets/icons/ic_rounded.png',
width: 50.0,
),
),
// texts
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 10.0,
vertical: 12.0,
),
child: Text(
'reFilc',
style: TextStyle(
color: AppColors.of(context).loginPrimary,
fontSize: 28.0,
fontWeight: FontWeight.bold,
),
),
),
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 10.0,
),
child: Text(
'login_w_kreten'.i18n,
textAlign: TextAlign.center,
style: TextStyle(
color: AppColors.of(context).loginPrimary,
fontSize: 18.0,
fontWeight: FontWeight.w500,
height: 1.2,
),
),
),
// inputs
Padding(
padding: const EdgeInsets.only(
left: 22.0,
right: 22.0,
top: 150.0,
),
child: AutofillGroup(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// username
Padding(
padding: const EdgeInsets.only(bottom: 6.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
"username".i18n,
maxLines: 1,
style: TextStyle(
color: AppColors.of(context).loginPrimary,
fontWeight: FontWeight.w500,
fontSize: 12.0,
),
),
),
Expanded(
child: Text(
"usernameHint".i18n,
maxLines: 1,
textAlign: TextAlign.right,
style: TextStyle(
color:
AppColors.of(context).loginSecondary,
fontWeight: FontWeight.w500,
fontSize: 12.0,
),
),
),
],
),
),
Padding(
padding: const EdgeInsets.only(bottom: 12.0),
child: LoginInput(
style: LoginInputStyle.username,
controller: usernameController,
),
),
// password
Padding(
padding: const EdgeInsets.only(bottom: 6.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Expanded(
child: Text(
"password".i18n,
maxLines: 1,
style: TextStyle(
color: AppColors.of(context).loginPrimary,
fontWeight: FontWeight.w500,
fontSize: 12.0,
),
),
),
Expanded(
child: Text(
"passwordHint".i18n,
maxLines: 1,
textAlign: TextAlign.right,
style: TextStyle(
color:
AppColors.of(context).loginSecondary,
fontWeight: FontWeight.w500,
fontSize: 12.0,
),
),
),
],
),
),
Padding(
padding: const EdgeInsets.only(bottom: 12.0),
child: LoginInput(
style: LoginInputStyle.password,
controller: passwordController,
),
),
// school
Padding(
padding: const EdgeInsets.only(bottom: 6.0),
child: Text(
"school".i18n,
maxLines: 1,
style: TextStyle(
color: AppColors.of(context).loginPrimary,
fontWeight: FontWeight.w500,
fontSize: 12.0,
),
),
),
SchoolInput(
scroll: _scrollController,
controller: schoolController,
),
],
),
),
),
// login button
Padding(
padding: const EdgeInsets.only(
top: 35.0,
left: 22.0,
right: 22.0,
),
child: Visibility(
visible: _loginState != LoginState.inProgress,
replacement: const Padding(
padding: EdgeInsets.symmetric(vertical: 6.0),
child: CircularProgressIndicator(
valueColor:
AlwaysStoppedAnimation<Color>(Colors.white),
),
),
child: LoginButton(
child: Text("login".i18n,
maxLines: 1,
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 20.0,
)),
onPressed: () => _loginAPI(context: context),
),
),
),
// error messages
if (_loginState == LoginState.missingFields ||
_loginState == LoginState.invalidGrant ||
_loginState == LoginState.failed)
Padding(
padding: const EdgeInsets.only(
top: 8.0, left: 12.0, right: 12.0),
child: Text(
[
"missing_fields",
"invalid_grant",
"error"
][_loginState.index]
.i18n,
style: const TextStyle(
color: Colors.red,
fontWeight: FontWeight.w500,
),
textAlign: TextAlign.center,
),
),
const SizedBox(height: 22.0),
// privacy policy
GestureDetector(
onTap: () => PrivacyView.show(context),
child: Text(
'privacy'.i18n,
style: TextStyle(
color: AppColors.of(context).loginSecondary,
fontWeight: FontWeight.w500,
fontSize: 14.0,
),
),
),
const Spacer(),
],
),
),
),
),
),
);
}
void _loginAPI({required BuildContext context}) {
String username = usernameController.text;
String password = passwordController.text;
tempUsername = username;
if (username == "" ||
password == "" ||
schoolController.selectedSchool == null) {
return setState(() => _loginState = LoginState.missingFields);
}
// ignore: no_leading_underscores_for_local_identifiers
void _callAPI() {
loginAPI(
username: username,
password: password,
instituteCode: schoolController.selectedSchool!.instituteCode,
context: context,
onLogin: (user) {
ScaffoldMessenger.of(context).showSnackBar(CustomSnackBar(
context: context,
brightness: Brightness.light,
content: Text("welcome".i18n.fill([user.name]),
overflow: TextOverflow.ellipsis),
));
},
onSuccess: () {
ScaffoldMessenger.of(context).hideCurrentSnackBar();
setSystemChrome(context);
Navigator.of(context).pushReplacementNamed("login_to_navigation");
}).then(
(res) => setState(() {
// if (res == LoginState.invalidGrant &&
// tempUsername.replaceAll(username, '').length <= 3) {
// tempUsername = username + ' ';
// Timer(
// const Duration(milliseconds: 500),
// () => _loginAPI(context: context),
// );
// // _loginAPI(context: context);
// } else {
_loginState = res;
// }
}),
);
}
setState(() => _loginState = LoginState.inProgress);
_callAPI();
}
}