Files
krow-worker-app/lib/screens/auth_screens.dart
2026-09-19 16:12:42 +05:30

824 lines
26 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:lucide_icons_flutter/lucide_icons.dart';
import '../core/theme.dart';
import '../core/permissions.dart';
import '../state/session_controller.dart';
import '../widgets/common.dart';
import 'today_screen.dart';
import '../widgets/krow_nav_bar.dart';
/// Step 1 of 2: the mobile number a shift manager would text.
class PhoneScreen extends ConsumerStatefulWidget {
const PhoneScreen({super.key});
@override
ConsumerState<PhoneScreen> createState() => _PhoneScreenState();
}
class _PhoneScreenState extends ConsumerState<PhoneScreen> {
final _controller = TextEditingController();
bool get _valid =>
_controller.text.replaceAll(RegExp(r'\D'), '').length >= 10;
@override
void dispose() {
_controller.dispose();
super.dispose();
}
void _send() {
final phone = '+1 ${_controller.text.trim()}';
ref.read(sessionProvider.notifier).sendCode(phone);
context.push('/otp');
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(leading: const BackButton()),
body: SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(20, 4, 20, 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SectionLabel('Step 1 of 2'),
const Text(
"What's your\nmobile number?",
style: TextStyle(
fontSize: 29,
fontWeight: FontWeight.w700,
height: 1.1,
letterSpacing: -1,
),
),
const SizedBox(height: 10),
const Text(
'Shift managers text you here, and we will send a 6-digit code '
'to confirm it is yours.',
style: TextStyle(
fontSize: 14,
height: 1.55,
color: KrowPalette.mute,
),
),
const SizedBox(height: 24),
TextField(
controller: _controller,
autofocus: true,
keyboardType: TextInputType.phone,
onChanged: (_) => setState(() {}),
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp(r'[0-9 ]')),
LengthLimitingTextInputFormatter(14),
],
style: const TextStyle(
fontSize: 17,
fontWeight: FontWeight.w600,
letterSpacing: 0.6,
),
decoration: const InputDecoration(
hintText: '408 555 0148',
prefixIcon: Padding(
padding: EdgeInsets.fromLTRB(16, 15, 10, 15),
child: Text(
'+1',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
),
),
),
prefixIconConstraints: BoxConstraints(minWidth: 0),
),
),
const SizedBox(height: 10),
const Text(
'Message and data rates may apply. Reply STOP any time to opt '
'out.',
style: TextStyle(
fontSize: 12,
height: 1.5,
color: Color(0xFF949FA5),
),
),
const SizedBox(height: 26),
FilledButton(
onPressed: _valid ? _send : null,
child: const Text('Send code'),
),
const SizedBox(height: 10),
Center(
child: TextButton(
onPressed: () => ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Email sign-in is coming soon'),
),
),
child: const Text('Verify with email instead'),
),
),
],
),
),
),
);
}
}
/// Step 2 of 2: the code, with a resend countdown and a limited try budget.
class OtpScreen extends ConsumerStatefulWidget {
const OtpScreen({super.key});
@override
ConsumerState<OtpScreen> createState() => _OtpScreenState();
}
class _OtpScreenState extends ConsumerState<OtpScreen> {
final _controller = TextEditingController();
Timer? _timer;
int _secondsLeft = 30;
int _triesLeft = 3;
String? _error;
@override
void initState() {
super.initState();
_startCountdown();
}
@override
void dispose() {
_timer?.cancel();
_controller.dispose();
super.dispose();
}
void _startCountdown() {
_timer?.cancel();
setState(() => _secondsLeft = 30);
_timer = Timer.periodic(const Duration(seconds: 1), (t) {
if (!mounted) return;
if (_secondsLeft <= 1) {
t.cancel();
setState(() => _secondsLeft = 0);
} else {
setState(() => _secondsLeft--);
}
});
}
void _verify() {
final ok = ref.read(sessionProvider.notifier).verifyCode(_controller.text);
if (ok) {
context.go('/verified');
return;
}
setState(() {
_triesLeft--;
_error = _triesLeft > 0
? 'That code does not match. Check the most recent text - older '
'codes stop working. $_triesLeft tries left.'
: 'Too many attempts. Request a new code to try again.';
});
}
@override
Widget build(BuildContext context) {
final phone = ref.watch(sessionProvider).phone ?? '';
final canVerify = _controller.text.length == 6 && _triesLeft > 0;
return Scaffold(
appBar: AppBar(leading: const BackButton()),
body: SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(20, 4, 20, 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SectionLabel('Step 2 of 2'),
const Text(
'Enter the code',
style: TextStyle(
fontSize: 29,
fontWeight: FontWeight.w700,
letterSpacing: -1,
),
),
const SizedBox(height: 10),
Row(
children: [
Text(
'Texted to $phone',
style: const TextStyle(
fontSize: 13.5,
color: KrowPalette.mute,
),
),
TextButton(
onPressed: () => context.pop(),
child: const Text('Change'),
),
],
),
const SizedBox(height: 8),
TextField(
controller: _controller,
autofocus: true,
keyboardType: TextInputType.number,
textAlign: TextAlign.center,
maxLength: 6,
onChanged: (_) => setState(() => _error = null),
inputFormatters: [FilteringTextInputFormatter.digitsOnly],
style: const TextStyle(
fontSize: 30,
fontWeight: FontWeight.w700,
letterSpacing: 14,
),
decoration: InputDecoration(
counterText: '',
hintText: '------',
errorText: _error,
errorMaxLines: 3,
hintStyle: const TextStyle(
fontSize: 30,
letterSpacing: 14,
color: Color(0xFFC4D4C9),
),
),
),
const SizedBox(height: 14),
const InfoBanner('Demo build: the code is always 123456.'),
const SizedBox(height: 16),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
"Didn't get the text?",
style: TextStyle(fontSize: 13, color: KrowPalette.mute),
),
if (_secondsLeft > 0)
Text(
'Resend in 0:${_secondsLeft.toString().padLeft(2, '0')}',
style: const TextStyle(
fontSize: 12.5,
color: Color(0xFF949FA5),
),
)
else
TextButton(
onPressed: () {
setState(() {
_triesLeft = 3;
_error = null;
});
_startCountdown();
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('New code sent')),
);
},
child: const Text('Resend code'),
),
],
),
const SizedBox(height: 18),
FilledButton(
onPressed: canVerify ? _verify : null,
child: const Text('Verify number'),
),
],
),
),
),
);
}
}
/// Confirmation, plus the two things still standing between the worker and
/// their first shift.
class VerifiedScreen extends ConsumerWidget {
const VerifiedScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final phone = ref.watch(sessionProvider).phone ?? '';
return Scaffold(
backgroundColor: KrowPalette.blue,
body: Column(
children: [
Expanded(
child: SafeArea(
bottom: false,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 26),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
width: 86,
height: 86,
decoration: const BoxDecoration(
color: KrowPalette.yellow,
shape: BoxShape.circle,
),
child: const Icon(
LucideIcons.check,
size: 40,
color: KrowPalette.ink,
),
),
const SizedBox(height: 26),
const Text(
'Number verified',
style: TextStyle(
fontSize: 30,
fontWeight: FontWeight.w700,
letterSpacing: -1,
color: Colors.white,
),
),
const SizedBox(height: 10),
Text(
phone,
style: const TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: KrowPalette.yellow,
),
),
const SizedBox(height: 14),
Text(
'Two things left before you can accept shifts.',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 14,
height: 1.55,
color: Colors.white.withValues(alpha: 0.62),
),
),
const SizedBox(height: 26),
const _TodoRow(
title: 'Upload your ID',
subtitle: 'State ID or passport',
badge: '2 min',
),
const SizedBox(height: 10),
const _TodoRow(
title: 'Set your availability',
subtitle: 'So we only send shifts you can work',
badge: '1 min',
),
],
),
),
),
),
Container(
width: double.infinity,
decoration: const BoxDecoration(
color: KrowPalette.sage,
borderRadius: BorderRadius.vertical(top: Radius.circular(24)),
),
child: SafeArea(
top: false,
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 22, 20, 16),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
FilledButton(
onPressed: () => context.go('/permissions'),
child: const Text('Continue'),
),
],
),
),
),
),
],
),
);
}
}
class _TodoRow extends StatelessWidget {
const _TodoRow({
required this.title,
required this.subtitle,
required this.badge,
});
final String title;
final String subtitle;
final String badge;
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: Colors.white.withValues(alpha: 0.08),
borderRadius: BorderRadius.circular(14),
border: Border.all(color: Colors.white24),
),
child: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w700,
color: Colors.white,
),
),
const SizedBox(height: 2),
Text(
subtitle,
style: TextStyle(
fontSize: 12.5,
color: Colors.white.withValues(alpha: 0.55),
),
),
],
),
),
StatusChip(badge, tone: ChipTone.yellow),
],
),
);
}
}
/// One permission ask, as the prototype words it.
class _Permission {
const _Permission({
required this.icon,
required this.step,
required this.title,
required this.body,
required this.reasons,
required this.allow,
required this.defer,
required this.permission,
});
final IconData icon;
final String step;
final String title;
final String body;
/// Each reason as `(before, emphasis, after)` — the prototype bolds the part
/// that says what you actually get.
final List<(String, String, String)> reasons;
final String allow;
/// The way out. Worded differently each time, per the prototype.
final String defer;
/// What the OS is actually asked for when Allow is tapped.
final AppPermission permission;
}
const _permissions = [
_Permission(
icon: LucideIcons.mapPin,
step: 'Step 1 of 3',
title: 'Let KROW see where you are',
body:
'Clock-in is locked until you are within 150 m of the venue. Without '
'location you cannot start a shift.',
reasons: [
('Unlocks ', 'clock in', ' when you arrive'),
('Sorts shifts by ', 'distance from you', ''),
('Only read ', 'while a shift is active', ''),
],
allow: 'Allow location',
defer: 'Not now',
permission: AppPermission.location,
),
_Permission(
icon: LucideIcons.bell,
step: 'Step 2 of 3',
title: 'Turn on notifications',
body:
'Shift offers are first-come. If your phone is silent someone else '
'takes the shift.',
reasons: [
('', 'New shift offers', ' matched to you'),
('', 'Clock-in reminders', ' 30 min before'),
('', 'Pay alerts', ' when money lands'),
],
allow: 'Turn on notifications',
defer: 'Maybe later',
permission: AppPermission.notifications,
),
_Permission(
icon: LucideIcons.camera,
step: 'Step 3 of 3',
title: 'Camera and photos',
body:
'Attire and document checks need a photo of the real item. Nothing is '
'uploaded until you tap send.',
reasons: [
('Photograph ', 'your uniform items', ''),
('Capture ', 'ID and certificates', ''),
('Nothing is stored ', 'on our servers unsent', ''),
],
allow: 'Allow camera',
defer: 'Choose from library instead',
permission: AppPermission.camera,
),
];
/// The three permission asks, each a sheet over the home screen.
///
/// Shown this way rather than as full pages because that is what the worker
/// is actually looking at: the app is already there behind the scrim, so the
/// ask reads as a step before using it rather than another sign-up screen.
class PermissionsScreen extends ConsumerStatefulWidget {
const PermissionsScreen({super.key});
@override
ConsumerState<PermissionsScreen> createState() => _PermissionsScreenState();
}
class _PermissionsScreenState extends ConsumerState<PermissionsScreen> {
int _step = 0;
bool _asking = false;
void _next() {
if (_step == _permissions.length - 1) {
context.go('/today');
} else {
setState(() => _step++);
}
}
/// Hands off to the operating system's own dialog. Whatever it answers is
/// recorded, and the run continues either way — a refused permission is a
/// smaller problem than a worker stuck on a sign-up step.
Future<void> _allow(_Permission permission) async {
if (_asking) return;
setState(() => _asking = true);
final granted = await ref
.read(sessionProvider.notifier)
.request(permission.permission);
if (!mounted) return;
setState(() => _asking = false);
if (!granted) {
final blocked = await ref
.read(permissionServiceProvider)
.isPermanentlyDenied(permission.permission);
// Once the OS stops showing the dialog, tapping Allow again does
// nothing — the only way back is the system settings page.
if (blocked && mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Turn this on in system settings'),
action: SnackBarAction(
label: 'Open',
textColor: KrowPalette.yellow,
onPressed: ref.read(permissionServiceProvider).openSettings,
),
),
);
}
}
if (mounted) _next();
}
@override
Widget build(BuildContext context) {
final permission = _permissions[_step];
return Scaffold(
backgroundColor: KrowPalette.sage,
body: Stack(
children: [
// The app itself, already built, sitting behind the ask.
const IgnorePointer(
child: Scaffold(
body: TodayScreen(),
bottomNavigationBar: KrowNavBar(
items: [
KrowNavItem(icon: LucideIcons.briefcase, label: 'Shifts'),
KrowNavItem(icon: LucideIcons.wallet, label: 'Pay'),
KrowNavItem(icon: LucideIcons.house, label: 'Today'),
KrowNavItem(icon: LucideIcons.clock, label: 'Clock'),
KrowNavItem(icon: LucideIcons.user, label: 'Profile'),
],
currentIndex: 2,
onSelect: _ignoreTap,
),
),
),
const ModalBarrier(color: Color(0x8F101A14), dismissible: false),
Align(
alignment: Alignment.bottomCenter,
child: _PermissionSheet(
permission: permission,
busy: _asking,
onAllow: () => _allow(permission),
onDefer: _next,
),
),
],
),
);
}
static void _ignoreTap(int _) {}
}
class _PermissionSheet extends StatelessWidget {
const _PermissionSheet({
required this.permission,
required this.busy,
required this.onAllow,
required this.onDefer,
});
final _Permission permission;
final bool busy;
final VoidCallback onAllow;
final VoidCallback onDefer;
@override
Widget build(BuildContext context) {
return Container(
width: double.infinity,
decoration: const BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
child: SafeArea(
top: false,
child: ConstrainedBox(
// Scrolls rather than overflows if the copy outgrows the screen.
constraints: BoxConstraints(
maxHeight: MediaQuery.sizeOf(context).height * 0.86,
),
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.fromLTRB(22, 12, 22, 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
mainAxisSize: MainAxisSize.min,
children: [
Center(
child: Container(
width: 40,
height: 4,
decoration: BoxDecoration(
color: const Color(0xFFCFDDD4),
borderRadius: BorderRadius.circular(2),
),
),
),
const SizedBox(height: 20),
// Aligned rather than stretched: the surrounding column
// stretches its children so the buttons fill the sheet, and
// that would pull this 60px tile across the whole width.
Align(
alignment: Alignment.centerLeft,
child: Container(
width: 60,
height: 60,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(16),
gradient: const LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Color(0xFF4A69C6), KrowPalette.blue],
),
),
child: Icon(
permission.icon,
size: 27,
color: Colors.white,
),
),
),
SectionLabel(permission.step),
Text(
permission.title,
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.w700,
height: 1.15,
letterSpacing: -0.7,
),
),
const SizedBox(height: 10),
Text(
permission.body,
style: const TextStyle(
fontSize: 14,
height: 1.55,
fontWeight: FontWeight.w500,
color: KrowPalette.mute,
),
),
const SizedBox(height: 14),
for (final (before, emphasis, after) in permission.reasons)
Padding(
padding: const EdgeInsets.only(bottom: 10),
child: _Reason(
before: before,
emphasis: emphasis,
after: after,
),
),
const SizedBox(height: 10),
FilledButton(
onPressed: busy ? null : onAllow,
child: Text(permission.allow),
),
TextButton(
onPressed: onDefer,
style: TextButton.styleFrom(
minimumSize: const Size.fromHeight(44),
foregroundColor: KrowPalette.mute,
),
child: Text(permission.defer),
),
],
),
),
),
),
),
);
}
}
class _Reason extends StatelessWidget {
const _Reason({
required this.before,
required this.emphasis,
required this.after,
});
final String before;
final String emphasis;
final String after;
@override
Widget build(BuildContext context) {
return Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 20,
height: 20,
margin: const EdgeInsets.only(top: 1),
decoration: BoxDecoration(
color: KrowPalette.blueTint,
borderRadius: BorderRadius.circular(7),
),
child: const Icon(
LucideIcons.check,
size: 11,
color: KrowPalette.blue,
),
),
const SizedBox(width: 11),
Expanded(
child: Text.rich(
TextSpan(
children: [
TextSpan(text: before),
TextSpan(
text: emphasis,
style: const TextStyle(
fontWeight: FontWeight.w600,
color: KrowPalette.ink,
),
),
TextSpan(text: after),
],
),
style: const TextStyle(
fontSize: 13,
height: 1.45,
fontWeight: FontWeight.w500,
color: KrowPalette.mute,
),
),
),
],
);
}
}