Files
jinzhi/lib/features/auth/presentation/login_page.dart
T
2026-06-18 18:08:29 +08:00

703 lines
20 KiB
Dart

import 'dart:async';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:flutter_remix/flutter_remix.dart';
import 'package:go_router/go_router.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:url_launcher/url_launcher_string.dart';
import '../../../common/config/app_h5_urls.dart';
import '../../../common/network/api_error_message.dart';
import '../../../common/router/app_router.dart';
import '../../../common/theme/spacing.dart';
import '../../../common/widgets/circle_back_button.dart';
import '../application/auth_controller.dart';
class LoginPage extends HookConsumerWidget {
const LoginPage({super.key, this.next});
final String? next;
@override
Widget build(BuildContext context, WidgetRef ref) {
final cs = ShadTheme.of(context).colorScheme;
final phone = useTextEditingController();
final codeCtrl = useTextEditingController();
final codeFocus = useFocusNode();
final onCodeStep = useState(false);
final agreed = useState(false);
final sending = useState(false);
final verifying = useState(false);
final countdown = useState(0);
final error = useState<String?>(null);
final timer = useRef<Timer?>(null);
useListenable(phone);
useListenable(codeCtrl);
useEffect(
() =>
() => timer.value?.cancel(),
const [],
);
String phoneDigits() => phone.text.replaceAll(RegExp(r'\D'), '');
Future<void> returnAfterLogin() async {
final target = next?.trim();
final router = GoRouter.of(context);
if (target == null || target.isEmpty) {
router.go(AppRoutes.profile);
return;
}
router.go(target);
}
void startCountdown() {
countdown.value = 60;
timer.value?.cancel();
timer.value = Timer.periodic(const Duration(seconds: 1), (t) {
if (countdown.value <= 1) {
t.cancel();
countdown.value = 0;
} else {
countdown.value--;
}
});
}
Future<void> doSend() async {
if (sending.value || countdown.value > 0) return;
if (phoneDigits().length != 11) {
error.value = '请输入正确的手机号';
return;
}
sending.value = true;
error.value = null;
try {
await ref.read(authProvider.notifier).sendCode(phoneDigits());
startCountdown();
onCodeStep.value = true;
codeFocus.requestFocus();
} catch (e) {
error.value = kratosDisplayMessage(e, fallback: '发送失败,请稍后重试');
} finally {
sending.value = false;
}
}
Future<void> doVerify() async {
if (verifying.value) return;
final code = codeCtrl.text.trim();
if (code.length != 6) {
error.value = '请输入 6 位验证码';
return;
}
verifying.value = true;
error.value = null;
try {
await ref.read(authProvider.notifier).verifyCode(phoneDigits(), code);
if (!context.mounted) return;
await returnAfterLogin();
} catch (e) {
error.value = kratosDisplayMessage(e, fallback: '验证失败,请重试');
} finally {
verifying.value = false;
}
}
void onBack() {
if (onCodeStep.value) {
onCodeStep.value = false;
error.value = null;
} else if (context.canPop()) {
context.pop();
} else {
context.go(AppRoutes.profile);
}
}
void showPrivacySheet(VoidCallback onAgreed) {
showModalBottomSheet<void>(
context: context,
backgroundColor: cs.card,
barrierColor: Colors.black.withValues(alpha: 0.6),
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(
top: Radius.circular(Spacing.radiusCard),
),
),
builder: (ctx) => SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(22, 28, 22, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
'请阅读并同意以下条款',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: cs.foreground,
),
),
const SizedBox(height: 14),
Text.rich(
textAlign: TextAlign.center,
_policySpan(context, cs, fontSize: 12.5),
),
const SizedBox(height: 22),
_PrimaryButton(
label: '同意并继续',
enabled: true,
onTap: () {
Navigator.of(ctx).pop();
onAgreed();
},
),
],
),
),
),
);
}
void onSendTap() {
if (sending.value || countdown.value > 0) return;
if (phoneDigits().length != 11) {
error.value = '请输入正确的手机号';
return;
}
error.value = null;
if (!agreed.value) {
showPrivacySheet(() {
agreed.value = true;
doSend();
});
return;
}
doSend();
}
final phoneReady = phoneDigits().length == 11;
final codeReady = codeCtrl.text.trim().length == 6;
return Scaffold(
backgroundColor: cs.background,
appBar: AppBar(
backgroundColor: cs.background,
surfaceTintColor: Colors.transparent,
elevation: 0,
scrolledUnderElevation: 0,
automaticallyImplyLeading: false,
toolbarHeight: 46,
titleSpacing: 0,
title: CircleBackButton(onTap: onBack),
),
body: SafeArea(
top: false,
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(22, 8, 22, 28),
child: onCodeStep.value
? _CodeStep(
cs: cs,
phone: phoneDigits(),
codeCtrl: codeCtrl,
codeFocus: codeFocus,
countdown: countdown.value,
verifying: verifying.value,
codeReady: codeReady,
error: error.value,
onVerify: doVerify,
onResend: doSend,
)
: _PhoneStep(
cs: cs,
phone: phone,
sending: sending.value,
countdown: countdown.value,
phoneReady: phoneReady,
error: error.value,
agreed: agreed.value,
onToggleAgreed: () => agreed.value = !agreed.value,
onSend: onSendTap,
),
),
),
);
}
}
class _PhoneStep extends StatelessWidget {
const _PhoneStep({
required this.cs,
required this.phone,
required this.sending,
required this.countdown,
required this.phoneReady,
required this.agreed,
required this.onToggleAgreed,
required this.error,
required this.onSend,
});
final ShadColorScheme cs;
final TextEditingController phone;
final bool sending;
final int countdown;
final bool phoneReady;
final bool agreed;
final VoidCallback onToggleAgreed;
final String? error;
final VoidCallback onSend;
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_SheetTitle('手机号登录', cs),
const SizedBox(height: 8),
_SheetSub('未注册的手机号验证后将自动创建金值账号。', cs),
const SizedBox(height: 18),
Row(
children: [
SizedBox(
height: 50,
child: Center(
child: Text(
'+86',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: cs.foreground,
fontFeatures: const [FontFeature.tabularFigures()],
),
),
),
),
const SizedBox(width: 10),
Expanded(
child: _BoxedField(controller: phone, hint: '请输入手机号', cs: cs),
),
],
),
if (error != null) ...[
const SizedBox(height: 10),
_ErrorText(error!, cs),
],
const SizedBox(height: 18),
_PrimaryButton(
label: countdown > 0 ? '$countdown s 后可重新发送' : '获取验证码',
enabled: !sending && countdown == 0,
loading: sending,
dim: !phoneReady,
onTap: onSend,
),
const SizedBox(height: 18),
_AgreeRow(agreed: agreed, onToggle: onToggleAgreed, cs: cs),
],
);
}
}
class _CodeStep extends StatelessWidget {
const _CodeStep({
required this.cs,
required this.phone,
required this.codeCtrl,
required this.codeFocus,
required this.countdown,
required this.verifying,
required this.codeReady,
required this.error,
required this.onVerify,
required this.onResend,
});
final ShadColorScheme cs;
final String phone;
final TextEditingController codeCtrl;
final FocusNode codeFocus;
final int countdown;
final bool verifying;
final bool codeReady;
final String? error;
final VoidCallback onVerify;
final VoidCallback onResend;
String get _masked => phone.length == 11
? '${phone.substring(0, 3)}****${phone.substring(7)}'
: phone;
@override
Widget build(BuildContext context) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_SheetTitle('输入验证码', cs),
const SizedBox(height: 8),
_SheetSub('验证码已发送至 +86 $_masked', cs),
const SizedBox(height: 20),
_OtpInput(controller: codeCtrl, focusNode: codeFocus, cs: cs),
if (error != null) ...[
const SizedBox(height: 12),
_ErrorText(error!, cs),
],
const SizedBox(height: 18),
_PrimaryButton(
label: '验证并登录',
enabled: !verifying,
loading: verifying,
dim: !codeReady,
onTap: onVerify,
),
const SizedBox(height: 16),
Center(
child: GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: countdown > 0 ? null : onResend,
child: Text(
countdown > 0 ? '$countdown s 后可重新发送' : '重新发送',
style: TextStyle(
fontSize: 13,
color: countdown > 0 ? cs.mutedForeground : cs.primary,
),
),
),
),
],
);
}
}
class _SheetTitle extends StatelessWidget {
const _SheetTitle(this.text, this.cs);
final String text;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) => Text(
text,
style: TextStyle(
fontSize: 19,
fontWeight: FontWeight.w700,
color: cs.foreground,
),
);
}
class _SheetSub extends StatelessWidget {
const _SheetSub(this.text, this.cs);
final String text;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) => Text(
text,
style: TextStyle(fontSize: 13, height: 1.55, color: cs.mutedForeground),
);
}
class _ErrorText extends StatelessWidget {
const _ErrorText(this.text, this.cs);
final String text;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) =>
Text(text, style: TextStyle(fontSize: 13, color: cs.destructive));
}
class _BoxedField extends StatelessWidget {
const _BoxedField({
required this.controller,
required this.hint,
required this.cs,
});
final TextEditingController controller;
final String hint;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) {
return Container(
height: 50,
alignment: Alignment.center,
padding: const EdgeInsets.symmetric(horizontal: 14),
decoration: BoxDecoration(
color: cs.background,
borderRadius: BorderRadius.circular(Spacing.radiusBtn),
border: Border.all(color: cs.input, width: 1),
),
child: TextField(
controller: controller,
keyboardType: TextInputType.phone,
inputFormatters: [_PhoneNumberFormatter()],
style: TextStyle(
fontSize: 16,
color: cs.foreground,
fontFeatures: const [FontFeature.tabularFigures()],
),
cursorColor: cs.primary,
decoration: InputDecoration(
isCollapsed: true,
border: InputBorder.none,
hintText: hint,
hintStyle: TextStyle(fontSize: 15, color: cs.mutedForeground),
),
),
);
}
}
class _PhoneNumberFormatter extends TextInputFormatter {
@override
TextEditingValue formatEditUpdate(
TextEditingValue oldValue,
TextEditingValue newValue,
) {
var d = newValue.text.replaceAll(RegExp(r'\D'), '');
if (d.length > 11) d = d.substring(0, 11);
final b = StringBuffer();
for (var i = 0; i < d.length; i++) {
if (i == 3 || i == 7) b.write(' ');
b.write(d[i]);
}
final s = b.toString();
return TextEditingValue(
text: s,
selection: TextSelection.collapsed(offset: s.length),
);
}
}
class _OtpInput extends StatelessWidget {
const _OtpInput({
required this.controller,
required this.focusNode,
required this.cs,
});
final TextEditingController controller;
final FocusNode focusNode;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) {
final code = controller.text;
return GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: focusNode.requestFocus,
child: SizedBox(
height: 54,
child: Stack(
children: [
Row(
children: [
for (var i = 0; i < 6; i++) ...[
if (i > 0) const SizedBox(width: 8),
Expanded(
child: _OtpCell(
digit: i < code.length ? code[i] : '',
filled: i < code.length,
cs: cs,
),
),
],
],
),
Positioned.fill(
child: TextField(
controller: controller,
focusNode: focusNode,
keyboardType: TextInputType.number,
maxLength: 6,
showCursor: false,
autofocus: true,
inputFormatters: [FilteringTextInputFormatter.digitsOnly],
style: const TextStyle(color: Colors.transparent),
decoration: const InputDecoration(
counterText: '',
border: InputBorder.none,
enabledBorder: InputBorder.none,
focusedBorder: InputBorder.none,
),
),
),
],
),
),
);
}
}
class _OtpCell extends StatelessWidget {
const _OtpCell({required this.digit, required this.filled, required this.cs});
final String digit;
final bool filled;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) {
return Container(
alignment: Alignment.center,
decoration: BoxDecoration(
color: cs.background,
borderRadius: BorderRadius.circular(Spacing.radiusBtn),
border: Border.all(color: filled ? cs.foreground : cs.input, width: 1),
),
child: Text(
digit,
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.w600,
color: cs.foreground,
fontFeatures: const [FontFeature.tabularFigures()],
),
),
);
}
}
class _AgreeRow extends StatelessWidget {
const _AgreeRow({
required this.agreed,
required this.onToggle,
required this.cs,
});
final bool agreed;
final VoidCallback onToggle;
final ShadColorScheme cs;
@override
Widget build(BuildContext context) {
return GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: onToggle,
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
width: 18,
height: 18,
margin: const EdgeInsets.only(top: 1),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(Spacing.radiusBadge),
border: Border.all(
color: agreed ? cs.primary : cs.border,
width: 1.2,
),
color: agreed ? cs.primary : Colors.transparent,
),
child: agreed
? Icon(
FlutterRemix.check_line,
size: 13,
color: cs.primaryForeground,
)
: null,
),
const SizedBox(width: 8),
Expanded(child: Text.rich(_policySpan(context, cs))),
],
),
);
}
}
TextSpan _policySpan(
BuildContext context,
ShadColorScheme cs, {
double fontSize = 11.5,
}) {
final isDark = Theme.of(context).brightness == Brightness.dark;
final privacyUrl = AppH5UrlsHelper.buildUrlWithNight(
AppH5Urls.privacyUrl,
isDark,
);
final protocolUrl = AppH5UrlsHelper.buildUrlWithNight(
AppH5Urls.userProtocolUrl,
isDark,
);
TextSpan link(String text, String url) => TextSpan(
text: text,
style: TextStyle(
color: cs.foreground,
fontSize: fontSize,
decoration: TextDecoration.underline,
decorationColor: cs.foreground,
),
recognizer: TapGestureRecognizer()
..onTap = () => launchUrlString(
AppH5UrlsHelper.withCacheBuster(url),
mode: LaunchMode.inAppBrowserView,
),
);
return TextSpan(
style: TextStyle(
fontSize: fontSize,
height: 1.6,
color: cs.mutedForeground,
),
children: [
const TextSpan(text: '已阅读并同意 '),
link('《用户协议》', protocolUrl),
const TextSpan(text: ' 与 '),
link('《隐私政策》', privacyUrl),
],
);
}
class _PrimaryButton extends StatelessWidget {
const _PrimaryButton({
required this.label,
required this.enabled,
required this.onTap,
this.loading = false,
this.dim = false,
});
final String label;
final bool enabled;
final bool loading;
final bool dim;
final VoidCallback onTap;
@override
Widget build(BuildContext context) {
final cs = ShadTheme.of(context).colorScheme;
final active = enabled && !dim;
return SizedBox(
width: double.infinity,
child: GestureDetector(
onTap: enabled ? onTap : null,
behavior: HitTestBehavior.opaque,
child: Container(
padding: const EdgeInsets.symmetric(vertical: 15),
alignment: Alignment.center,
decoration: BoxDecoration(
color: active ? cs.primary : cs.muted,
borderRadius: BorderRadius.circular(9999),
),
child: loading
? SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: active ? cs.primaryForeground : cs.mutedForeground,
),
)
: Text(
label,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: active ? cs.primaryForeground : cs.mutedForeground,
),
),
),
),
);
}
}