361 lines
12 KiB
Dart
361 lines
12 KiB
Dart
import 'package:firebase_auth/firebase_auth.dart';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:flutter/material.dart';
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import 'package:lottie/lottie.dart';
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import 'dart:async';
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import 'dart:math' as math;
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Future<void> showRegisterSheet(BuildContext context) {
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return showModalBottomSheet<void>(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
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),
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builder: (ctx) => const _AnimatedAuthSheet(child: RegisterBottomSheet()),
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);
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}
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class _AnimatedAuthSheet extends StatelessWidget {
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const _AnimatedAuthSheet({required this.child});
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final Widget child;
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@override
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Widget build(BuildContext context) {
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final size = MediaQuery.sizeOf(context);
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const topRadius = Radius.circular(20);
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return TweenAnimationBuilder<double>(
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tween: Tween<double>(begin: 0.0, end: 1.0),
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duration: const Duration(milliseconds: 260),
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curve: Curves.easeOutCubic,
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builder: (context, t, w) {
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return Opacity(
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opacity: t,
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child: Transform.translate(offset: Offset(0, (1 - t) * 12), child: w),
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);
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},
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child: ClipRRect(
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borderRadius: const BorderRadius.vertical(top: topRadius),
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child: Material(
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color: Colors.transparent,
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child: Stack(
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clipBehavior: Clip.none,
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children: [
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Positioned.fill(
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child: Container(
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decoration: const 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: [Color(0xFFFFE6F1), Color(0xFFFFC9DF)],
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),
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),
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),
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),
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Positioned(
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left: -size.width * 0.38,
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bottom: -size.width * 0.45,
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child: IgnorePointer(
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child: SizedBox(
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width: size.width * 1.05,
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height: size.width * 1.05,
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child: Transform.rotate(
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angle: 28 * math.pi / 180,
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child: Opacity(
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opacity: 0.95,
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child: Lottie.asset(
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'lottie/Liquid waves.json',
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fit: BoxFit.cover,
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repeat: true,
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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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child,
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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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class RegisterBottomSheet extends StatefulWidget {
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const RegisterBottomSheet({super.key});
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@override
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State<RegisterBottomSheet> createState() => _RegisterBottomSheetState();
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}
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class _RegisterBottomSheetState extends State<RegisterBottomSheet> {
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final _formKey = GlobalKey<FormState>();
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final _nameController = TextEditingController();
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final _emailController = TextEditingController();
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final _passwordController = TextEditingController();
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bool _loading = false;
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Future<void> _persistRegistrationData({
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required String uid,
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required String name,
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required String email,
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}) async {
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await FirebaseFirestore.instance
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.collection('users')
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.doc(uid)
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.set({
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'name': name,
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'email': email,
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'createdAt': FieldValue.serverTimestamp(),
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}, SetOptions(merge: true))
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.timeout(const Duration(seconds: 20));
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}
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@override
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void dispose() {
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_nameController.dispose();
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_emailController.dispose();
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_passwordController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final viewInsets = MediaQuery.viewInsetsOf(context);
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const accentPink = Color(0xFFFF55A7);
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const primaryTeal = Color(0xFF2F9E94);
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final underlineBorder = UnderlineInputBorder(
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borderSide: BorderSide(color: Colors.black.withValues(alpha: 0.20)),
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);
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return Padding(
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padding: EdgeInsets.only(
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left: 16,
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right: 16,
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top: 12,
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bottom: 16 + viewInsets.bottom,
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),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxHeight: 560),
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child: SingleChildScrollView(
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child: Form(
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key: _formKey,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Center(
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child: Container(
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width: 46,
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height: 5,
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decoration: BoxDecoration(
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color: Colors.black.withValues(alpha: 0.10),
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borderRadius: BorderRadius.circular(99),
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),
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),
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),
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const SizedBox(height: 14),
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const Text(
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'Criar conta',
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w800,
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color: accentPink,
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),
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),
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const SizedBox(height: 16),
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TextFormField(
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controller: _nameController,
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textInputAction: TextInputAction.next,
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decoration: InputDecoration(
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labelText: 'Nome',
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border: underlineBorder,
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enabledBorder: underlineBorder,
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focusedBorder: underlineBorder.copyWith(
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borderSide: const BorderSide(
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color: primaryTeal,
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width: 1.6,
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),
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),
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floatingLabelStyle: const TextStyle(
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color: primaryTeal,
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fontWeight: FontWeight.w700,
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),
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),
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validator: (v) {
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if (v == null || v.trim().isEmpty) {
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return 'Informe seu nome';
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}
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if (v.trim().length < 2) {
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return 'Nome muito curto';
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}
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return null;
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},
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),
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const SizedBox(height: 12),
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TextFormField(
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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textInputAction: TextInputAction.next,
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decoration: InputDecoration(
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labelText: 'Email',
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border: underlineBorder,
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enabledBorder: underlineBorder,
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focusedBorder: underlineBorder.copyWith(
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borderSide: const BorderSide(
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color: primaryTeal,
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width: 1.6,
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),
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),
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floatingLabelStyle: const TextStyle(
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color: primaryTeal,
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fontWeight: FontWeight.w700,
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),
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),
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validator: (v) {
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final value = (v ?? '').trim();
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if (value.isEmpty) return 'Informe seu email';
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if (!value.contains('@')) return 'Email inválido';
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return null;
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},
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),
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const SizedBox(height: 12),
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TextFormField(
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controller: _passwordController,
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obscureText: true,
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textInputAction: TextInputAction.done,
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decoration: InputDecoration(
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labelText: 'Senha',
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border: underlineBorder,
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enabledBorder: underlineBorder,
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focusedBorder: underlineBorder.copyWith(
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borderSide: const BorderSide(
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color: primaryTeal,
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width: 1.6,
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),
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),
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floatingLabelStyle: const TextStyle(
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color: primaryTeal,
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fontWeight: FontWeight.w700,
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),
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),
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validator: (v) {
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final value = (v ?? '');
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if (value.isEmpty) return 'Informe sua senha';
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if (value.length < 6) return 'Mínimo de 6 caracteres';
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return null;
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},
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),
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const SizedBox(height: 16),
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SizedBox(
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height: 46,
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child: FilledButton(
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style: FilledButton.styleFrom(
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backgroundColor: primaryTeal,
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foregroundColor: Colors.white,
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shape: const StadiumBorder(),
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textStyle: const TextStyle(fontWeight: FontWeight.w800),
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),
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onPressed: _loading ? null : _submit,
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child: _loading
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? const SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Text('Registrar'),
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),
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),
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const SizedBox(height: 8),
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TextButton(
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onPressed: _loading
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? null
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: () => Navigator.of(context).pop(),
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child: const Text('Fechar'),
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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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Future<void> _submit() async {
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if (!(_formKey.currentState?.validate() ?? false)) return;
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setState(() => _loading = true);
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try {
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final name = _nameController.text.trim();
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final email = _emailController.text.trim();
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final password = _passwordController.text;
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final credential = await FirebaseAuth.instance
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.createUserWithEmailAndPassword(email: email, password: password)
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.timeout(const Duration(seconds: 20));
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final user = credential.user;
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if (user == null) {
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throw StateError('Usuário não encontrado após criar conta.');
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}
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final uid = user.uid;
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if (!mounted) return;
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// Fecha o sheet imediatamente após autenticar.
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// As gravações no Firestore seguem em background para não travar a UI.
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Navigator.of(context).pop();
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unawaited(
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_persistRegistrationData(
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uid: uid,
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name: name,
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email: email,
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).catchError((_) {}),
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);
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} on FirebaseAuthException catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text(_friendlyAuthError(e))));
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} on TimeoutException {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text(
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'Tempo esgotado. Verifique sua conexão e tente novamente.',
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),
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),
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);
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(
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context,
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).showSnackBar(SnackBar(content: Text('Erro: $e')));
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} finally {
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if (mounted && _loading) setState(() => _loading = false);
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}
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}
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String _friendlyAuthError(FirebaseAuthException e) {
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switch (e.code) {
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case 'invalid-email':
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return 'Email inválido.';
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case 'email-already-in-use':
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return 'Este email já está em uso.';
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case 'weak-password':
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return 'Senha fraca. Use pelo menos 6 caracteres.';
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default:
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return e.message ?? 'Falha de autenticação.';
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}
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}
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}
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