670 lines
21 KiB
Dart
670 lines
21 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:image_picker/image_picker.dart';
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import '../../../core/theme/app_color_scheme.dart';
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import '../../../core/theme/app_spacing.dart';
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import '../../../core/theme/app_theme.dart';
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import '../../../providers/auth_provider.dart';
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import '../../components/glass_panel.dart';
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import '../../components/neon_glow.dart';
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import '../../components/material_input.dart';
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import '../main/main_page.dart';
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/// 註冊頁面（兩步註冊:賬號信息 + 身份證上傳)
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class RegisterPage extends StatefulWidget {
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const RegisterPage({super.key});
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@override
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State<RegisterPage> createState() => _RegisterPageState();
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}
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class _RegisterPageState extends State<RegisterPage> {
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int _currentStep = 0; // 0: 賬號信息, 1: 身份證上傳
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// 第一步
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final _usernameController = TextEditingController();
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final _passwordController = TextEditingController();
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final _confirmPasswordController = TextEditingController();
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final _referralCodeController = TextEditingController();
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final _formKey = GlobalKey<FormState>();
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bool _obscurePassword = true;
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bool _obscureConfirmPassword = true;
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// 第二步
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XFile? _frontFile;
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XFile? _backFile;
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Uint8List? _frontBytes;
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Uint8List? _backBytes;
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final _picker = ImagePicker();
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bool get _canSubmit =>
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_frontFile != null && _backFile != null && !_isLoading;
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bool _isLoading = false;
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@override
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void dispose() {
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_usernameController.dispose();
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_passwordController.dispose();
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_confirmPasswordController.dispose();
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_referralCodeController.dispose();
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super.dispose();
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}
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Future<void> _pickImage(bool isFront) async {
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final picked = await _picker.pickImage(
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source: ImageSource.gallery,
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maxWidth: 1920,
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maxHeight: 1920,
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imageQuality: 85,
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);
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if (picked != null) {
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final bytes = await picked.readAsBytes();
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setState(() {
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if (isFront) {
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_frontFile = picked;
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_frontBytes = bytes;
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} else {
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_backFile = picked;
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_backBytes = bytes;
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}
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colorScheme.background,
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appBar: AppBar(
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backgroundColor: AppColorScheme.darkBackground.withValues(alpha: 0),
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elevation: 0,
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leading: IconButton(
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icon: Icon(Icons.chevron_left, color: colorScheme.onSurface),
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onPressed: _currentStep == 1
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? () => setState(() => _currentStep = 0)
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: () => Navigator.pop(context),
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),
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),
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body: SafeArea(
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child: SingleChildScrollView(
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padding: AppSpacing.pagePadding,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 步驟指示器
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_buildStepIndicator(colorScheme),
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const SizedBox(height: AppSpacing.xl),
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// 內容區
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_currentStep == 0 ? _buildStep1(colorScheme) : _buildStep2(colorScheme),
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],
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),
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),
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),
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);
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}
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Widget _buildStepIndicator(ColorScheme colorScheme) {
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return Row(
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children: [
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_buildStepCircle(
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number: '1',
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label: '賬號信息',
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isActive: true,
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isComplete: _currentStep > 0,
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colorScheme: colorScheme,
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),
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Expanded(
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child: Container(
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height: 2,
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color: _currentStep > 0
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? AppColorScheme.up
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: colorScheme.outlineVariant.withValues(alpha: 0.2),
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),
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),
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_buildStepCircle(
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number: '2',
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label: '身份驗證',
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isActive: _currentStep >= 1,
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isComplete: false,
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colorScheme: colorScheme,
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),
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],
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);
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}
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Widget _buildStepCircle({
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required String number,
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required String label,
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required bool isActive,
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required bool isComplete,
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required ColorScheme colorScheme,
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}) {
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final Color circleColor;
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final Color textColor;
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if (isComplete) {
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circleColor = AppColorScheme.up;
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textColor = AppColorScheme.darkOnPrimary;
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} else if (isActive) {
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circleColor = colorScheme.primary;
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textColor = AppColorScheme.darkOnPrimary;
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} else {
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circleColor = colorScheme.surfaceContainerHigh;
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textColor = colorScheme.onSurfaceVariant;
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}
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return Column(
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children: [
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Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: circleColor,
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shape: BoxShape.circle,
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),
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child: Center(
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child: isComplete
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? Icon(Icons.check, size: 16, color: textColor)
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: Text(
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number,
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style: AppTextStyles.headlineMedium(context).copyWith(
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fontWeight: FontWeight.bold,
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color: textColor,
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),
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),
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),
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),
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const SizedBox(height: AppSpacing.xs),
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Text(
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label,
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style: AppTextStyles.bodySmall(context).copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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],
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);
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}
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/// 第一步:賬號信息
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Widget _buildStep1(ColorScheme colorScheme) {
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return Form(
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key: _formKey,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 標題
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Center(
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child: Text(
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'創建賬號',
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style: AppTextStyles.displaySmall(context).copyWith(
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurface,
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),
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),
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),
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const SizedBox(height: AppSpacing.xxl),
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// 用戶名
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MaterialInput(
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controller: _usernameController,
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labelText: '賬號',
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hintText: '請輸入賬號(4-20位字母數字)',
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prefixIcon: Icons.person_outline,
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validator: (value) {
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if (value == null || value.isEmpty) return '請輸入賬號';
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if (value.length < 4) return '賬號過短';
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if (value.length > 20) return '賬號過長';
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return null;
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},
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),
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const SizedBox(height: AppSpacing.md),
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// 密碼
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MaterialPasswordInput(
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controller: _passwordController,
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labelText: '密碼',
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hintText: '請輸入密碼(至少6位)',
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prefixIcon: Icons.lock_outline,
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validator: (value) {
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if (value == null || value.isEmpty) return '請輸入密碼';
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if (value.length < 6) return '密碼過短';
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return null;
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},
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),
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const SizedBox(height: AppSpacing.md),
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// 確認密碼
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MaterialPasswordInput(
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controller: _confirmPasswordController,
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labelText: '確認密碼',
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hintText: '請再次輸入密碼',
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prefixIcon: Icons.lock_outline,
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validator: (value) {
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if (value == null || value.isEmpty) return '請再次輸入密碼';
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if (value != _passwordController.text) return '兩次密碼不一致';
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return null;
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},
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),
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const SizedBox(height: AppSpacing.md),
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// 推廣碼（可選)
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MaterialInput(
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controller: _referralCodeController,
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labelText: '推廣碼',
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hintText: '推廣碼(選填)',
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prefixIcon: Icons.card_giftcard,
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),
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const SizedBox(height: AppSpacing.xl),
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// 下一步按鈕
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SizedBox(
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width: double.infinity,
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child: NeonButton(
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text: '下一步',
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type: NeonButtonType.primary,
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onPressed: () {
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if (_formKey.currentState!.validate()) {
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setState(() => _currentStep = 1);
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}
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},
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height: 48,
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showGlow: true,
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),
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),
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const SizedBox(height: AppSpacing.md),
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// 登錄鏈接
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Center(
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child: TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text(
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'已有賬號？立即登錄',
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style: AppTextStyles.headlineMedium(context),
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),
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),
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),
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],
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),
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);
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}
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/// 第二步:身份證上傳
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Widget _buildStep2(ColorScheme colorScheme) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 標題區
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GlassPanel(
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padding: const EdgeInsets.all(AppSpacing.lg),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(AppSpacing.sm),
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decoration: BoxDecoration(
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color: colorScheme.primary.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(AppRadius.md),
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),
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child: Icon(
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Icons.shield,
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color: colorScheme.primary,
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size: 22,
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),
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),
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const SizedBox(width: AppSpacing.md),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'身份驗證',
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style: AppTextStyles.headlineLarge(context).copyWith(
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fontWeight: FontWeight.bold,
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color: colorScheme.onSurface,
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),
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),
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const SizedBox(height: AppSpacing.xs),
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Text(
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'上傳身份證正反面完成註冊',
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style: AppTextStyles.bodyMedium(context).copyWith(
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color: colorScheme.onSurfaceVariant,
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),
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),
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],
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),
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],
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),
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const SizedBox(height: AppSpacing.xl),
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// 身份證正面
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Text(
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'身份證正面(人像面)',
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style: AppTextStyles.bodyLarge(context).copyWith(
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fontWeight: FontWeight.w600,
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color: colorScheme.onSurface,
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),
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),
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const SizedBox(height: AppSpacing.sm),
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_buildUploadZone(
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imageFile: _frontFile,
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imageBytes: _frontBytes,
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label: '人像面',
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onTap: () => _pickImage(true),
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colorScheme: colorScheme,
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),
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const SizedBox(height: AppSpacing.lg),
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// 身份證反面
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Text(
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'身份證反面(國徽面)',
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style: AppTextStyles.bodyLarge(context).copyWith(
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fontWeight: FontWeight.w600,
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color: colorScheme.onSurface,
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),
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),
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const SizedBox(height: AppSpacing.sm),
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_buildUploadZone(
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imageFile: _backFile,
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imageBytes: _backBytes,
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label: '國徽面',
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onTap: () => _pickImage(false),
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colorScheme: colorScheme,
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),
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const SizedBox(height: AppSpacing.xl),
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// 註冊按鈕
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Consumer<AuthProvider>(
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builder: (context, auth, _) {
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return SizedBox(
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width: double.infinity,
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child: NeonButton(
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text: _isLoading ? '註冊中...' : '完成註冊',
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type: NeonButtonType.primary,
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onPressed: _canSubmit && !auth.isLoading
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? _handleRegister
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: null,
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height: 48,
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showGlow: _canSubmit,
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),
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);
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},
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),
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],
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),
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),
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const SizedBox(height: AppSpacing.lg),
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// 安全提示
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Container(
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padding: const EdgeInsets.all(AppSpacing.md),
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decoration: BoxDecoration(
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color: AppColorScheme.up.withValues(alpha: 0.06),
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borderRadius: AppRadius.radiusLg,
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border: Border.all(
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color: AppColorScheme.up.withValues(alpha: 0.12),
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),
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),
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child: Row(
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children: [
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Icon(Icons.lock, size: 16, color: AppColorScheme.up),
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const SizedBox(width: AppSpacing.sm),
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Expanded(
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child: Text(
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'您的身份信息將被加密存儲，僅用於身份驗證',
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style: AppTextStyles.bodySmall(context).copyWith(
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color: AppColorScheme.up.withValues(alpha: 0.8),
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),
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),
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),
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],
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),
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),
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],
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);
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}
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Widget _buildUploadZone({
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required XFile? imageFile,
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required Uint8List? imageBytes,
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required String label,
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required VoidCallback onTap,
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required ColorScheme colorScheme,
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}) {
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final hasImage = imageFile != null && imageBytes != null;
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return GestureDetector(
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onTap: onTap,
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 300),
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width: double.infinity,
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height: 140,
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decoration: BoxDecoration(
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color: hasImage
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? AppColorScheme.up.withValues(alpha: 0.06)
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: colorScheme.surfaceContainerHigh.withValues(alpha: 0.3),
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borderRadius: AppRadius.radiusXl,
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border: Border.all(
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color: hasImage
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? AppColorScheme.up.withValues(alpha: 0.3)
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: Colors.transparent,
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),
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),
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child: hasImage
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? ClipRRect(
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borderRadius: AppRadius.radiusXl,
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child: Stack(
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fit: StackFit.passthrough,
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children: [
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Image.memory(imageBytes!, fit: BoxFit.cover),
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Positioned(
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left: 0,
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right: 0,
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bottom: 0,
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child: Container(
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padding: const EdgeInsets.symmetric(
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vertical: AppSpacing.sm,
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horizontal: AppSpacing.md,
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),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [
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AppColorScheme.darkBackground.withValues(alpha: 0),
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AppColorScheme.darkSurfaceLowest
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.withValues(alpha: 0.6),
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],
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),
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borderRadius: const BorderRadius.only(
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bottomLeft: Radius.circular(AppRadius.xl),
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bottomRight: Radius.circular(AppRadius.xl),
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),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'$label已選擇',
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style: AppTextStyles.bodyMedium(context).copyWith(
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fontWeight: FontWeight.w600,
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color: AppColorScheme.darkOnPrimary,
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),
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),
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GestureDetector(
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onTap: () {
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setState(() {
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if (label == '人像面') {
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_frontFile = null;
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_frontBytes = null;
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} else {
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_backFile = null;
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_backBytes = null;
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}
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});
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},
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child: Container(
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padding: const EdgeInsets.all(AppSpacing.xs),
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decoration: BoxDecoration(
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color: AppColorScheme.darkOnPrimary
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.withValues(alpha: 0.15),
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.close,
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size: 14,
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color: AppColorScheme.darkOnPrimary,
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),
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),
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),
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],
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),
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),
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),
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],
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),
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)
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: CustomPaint(
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painter: _DashedBorderPainter(
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color: colorScheme.onSurfaceVariant.withValues(alpha: 0.2),
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borderRadius: AppRadius.xl,
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.camera_alt,
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size: 28,
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color: colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
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),
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const SizedBox(height: AppSpacing.sm),
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Text(
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'點擊上傳$label',
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style: AppTextStyles.bodyLarge(context).copyWith(
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color: colorScheme.onSurfaceVariant.withValues(alpha: 0.6),
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),
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),
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const SizedBox(height: AppSpacing.xs),
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Text(
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'支持 JPG、PNG 格式',
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style: AppTextStyles.bodySmall(context).copyWith(
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color: colorScheme.onSurfaceVariant.withValues(alpha: 0.4),
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),
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),
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],
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),
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),
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),
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);
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}
|
|
|
|
Future<void> _handleRegister() async {
|
|
if (!_canSubmit) return;
|
|
|
|
setState(() => _isLoading = true);
|
|
try {
|
|
final auth = context.read<AuthProvider>();
|
|
final response = await auth.register(
|
|
_usernameController.text.trim(),
|
|
_passwordController.text,
|
|
referralCode: _referralCodeController.text.trim().isEmpty
|
|
? null
|
|
: _referralCodeController.text.trim(),
|
|
frontBytes: _frontBytes!,
|
|
backBytes: _backBytes!,
|
|
);
|
|
|
|
if (!mounted) return;
|
|
|
|
if (response.success) {
|
|
Navigator.pushReplacement(
|
|
context,
|
|
MaterialPageRoute(builder: (_) => const MainPage()),
|
|
);
|
|
} else {
|
|
showDialog(
|
|
context: context,
|
|
builder: (ctx) => AlertDialog(
|
|
title: const Text('註冊失敗'),
|
|
content: Text(response.message ?? '請稍後重試'),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.of(ctx).pop(),
|
|
child: const Text('確定'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
} catch (e) {
|
|
if (mounted) {
|
|
showDialog(
|
|
context: context,
|
|
builder: (ctx) => AlertDialog(
|
|
title: const Text('註冊失敗'),
|
|
content: Text(e.toString()),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.of(ctx).pop(),
|
|
child: const Text('確定'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
} finally {
|
|
if (mounted) setState(() => _isLoading = false);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// 虚线边框画筆
|
|
class _DashedBorderPainter extends CustomPainter {
|
|
final Color color;
|
|
final double borderRadius;
|
|
|
|
_DashedBorderPainter({
|
|
required this.color,
|
|
required this.borderRadius,
|
|
});
|
|
|
|
@override
|
|
void paint(Canvas canvas, Size size) {
|
|
final paint = Paint()
|
|
..color = color
|
|
..strokeWidth = 1.5
|
|
..style = PaintingStyle.stroke;
|
|
|
|
const dashWidth = 6.0;
|
|
const dashSpace = 4.0;
|
|
|
|
final path = Path()
|
|
..addRRect(RRect.fromRectAndRadius(
|
|
Rect.fromLTWH(0, 0, size.width, size.height),
|
|
Radius.circular(borderRadius),
|
|
));
|
|
|
|
final metrics = path.computeMetrics();
|
|
for (final metric in metrics) {
|
|
double distance = 0;
|
|
while (distance < metric.length) {
|
|
final end = (distance + dashWidth).clamp(0.0, metric.length);
|
|
canvas.drawPath(metric.extractPath(distance, end), paint);
|
|
distance += dashWidth + dashSpace;
|
|
}
|
|
}
|
|
}
|
|
|
|
@override
|
|
bool shouldRepaint(covariant _DashedBorderPainter oldDelegate) {
|
|
return oldDelegate.color != color || oldDelegate.borderRadius != borderRadius;
|
|
}
|
|
}
|