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feat:implementacion grafica 2.0

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25030248hasel
2026-05-22 18:43:29 -06:00
parent a0f2ce40b1
commit cb005d33f6
22 changed files with 2047 additions and 108 deletions
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88
lib/features/auth/presentation/bloc/auth_bloc.dart Normal file
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import 'package:flutter_bloc/flutter_bloc.dart';
import '../../data/repositories/auth_repository_impl.dart';
import '../../domain/usecases/auth_usecases.dart';
import 'auth_event.dart';
import 'auth_state.dart';
/// BLoC principal de autenticación.
///
/// Gestiona el ciclo de vida completo de la identidad del usuario:
/// verificación de sesión persistida → login → sesión activa → logout.
///
/// El token JWT simulado se almacena en el estado [AuthAuthenticated]
/// y estará disponible para inyectarse en headers HTTP en fases futuras.
class AuthBloc extends Bloc<AuthEvent, AuthState> {
final LoginUseCase _loginUseCase;
final LogoutUseCase _logoutUseCase;
final GetStoredSessionUseCase _getStoredSessionUseCase;
AuthBloc({
required LoginUseCase loginUseCase,
required LogoutUseCase logoutUseCase,
required GetStoredSessionUseCase getStoredSessionUseCase,
}) : _loginUseCase = loginUseCase,
_logoutUseCase = logoutUseCase,
_getStoredSessionUseCase = getStoredSessionUseCase,
super(const AuthInitial()) {
on<AuthSessionCheckRequested>(_onSessionCheckRequested);
on<AuthLoginRequested>(_onLoginRequested);
on<AuthLogoutRequested>(_onLogoutRequested);
}
/// Verifica si hay sesión activa al iniciar la app.
Future<void> _onSessionCheckRequested(
AuthSessionCheckRequested event,
Emitter<AuthState> emit,
) async {
emit(const AuthCheckingSession());
try {
final user = await _getStoredSessionUseCase.execute();
if (user != null) {
emit(AuthAuthenticated(user: user));
} else {
emit(const AuthUnauthenticated());
}
} catch (_) {
emit(const AuthUnauthenticated());
}
}
/// Procesa la solicitud de login con las credenciales del usuario.
Future<void> _onLoginRequested(
AuthLoginRequested event,
Emitter<AuthState> emit,
) async {
emit(const AuthLoading());
try {
final user = await _loginUseCase.execute(
identifier: event.identifier,
password: event.password,
);
emit(AuthAuthenticated(user: user));
} on AuthException catch (e) {
emit(AuthFailure(message: e.message, errorCode: e.code));
} on ArgumentError catch (e) {
emit(AuthFailure(message: e.message.toString()));
} catch (e) {
emit(const AuthFailure(
message: 'Error inesperado. Por favor intenta de nuevo.',
errorCode: 'UNKNOWN',
));
}
}
/// Cierra la sesión y limpia el estado local.
Future<void> _onLogoutRequested(
AuthLogoutRequested event,
Emitter<AuthState> emit,
) async {
emit(const AuthLoading());
try {
await _logoutUseCase.execute();
} finally {
// Siempre transiciona a no autenticado, incluso si falla la limpieza
emit(const AuthUnauthenticated());
}
}
}

34
lib/features/auth/presentation/bloc/auth_event.dart Normal file
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import 'package:equatable/equatable.dart';
/// Eventos que puede recibir el [AuthBloc].
/// Cada evento representa una intención del usuario o del sistema.
sealed class AuthEvent extends Equatable {
const AuthEvent();
@override
List<Object?> get props => [];
}
/// El usuario solicita iniciar sesión con sus credenciales.
final class AuthLoginRequested extends AuthEvent {
final String identifier;
final String password;
const AuthLoginRequested({
required this.identifier,
required this.password,
});
@override
List<Object?> get props => [identifier, password];
}
/// El usuario solicita cerrar sesión.
final class AuthLogoutRequested extends AuthEvent {
const AuthLogoutRequested();
}
/// La app verifica si existe una sesión guardada al inicio.
final class AuthSessionCheckRequested extends AuthEvent {
const AuthSessionCheckRequested();
}

56
lib/features/auth/presentation/bloc/auth_state.dart Normal file
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import 'package:equatable/equatable.dart';
import '../../domain/entities/auth_user.dart';
/// Estados posibles del [AuthBloc].
/// Usando sealed class para exhaustividad en switch expressions (Dart 3+).
sealed class AuthState extends Equatable {
const AuthState();
@override
List<Object?> get props => [];
}
/// Estado inicial antes de cualquier verificación.
final class AuthInitial extends AuthState {
const AuthInitial();
}
/// Verificando si existe sesión almacenada (al inicio de la app).
final class AuthCheckingSession extends AuthState {
const AuthCheckingSession();
}
/// Proceso de login o logout en curso.
final class AuthLoading extends AuthState {
const AuthLoading();
}
/// Usuario autenticado exitosamente. Contiene el usuario y su token JWT.
final class AuthAuthenticated extends AuthState {
final AuthUser user;
const AuthAuthenticated({required this.user});
/// Expone el token para su uso en headers HTTP futuros.
String get bearerToken => 'Bearer ${user.token}';
@override
List<Object?> get props => [user];
}
/// No autenticado (estado limpio, sin sesión).
final class AuthUnauthenticated extends AuthState {
const AuthUnauthenticated();
}
/// Error durante la autenticación.
final class AuthFailure extends AuthState {
final String message;
final String? errorCode;
const AuthFailure({required this.message, this.errorCode});
@override
List<Object?> get props => [message, errorCode];
}

533
lib/features/auth/presentation/screens/home_screen_placeholder.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../../core/theme/app_theme.dart';
import '../bloc/auth_bloc.dart';
import '../bloc/auth_event.dart';
import '../bloc/auth_state.dart';
/// Pantalla principal post-login — MVP WasteNotify.
///
/// Cascarón de la pantalla de inicio. En fases futuras contendrá:
/// - ETA de llegada del camión (sin mapa, solo tiempo estimado)
/// - Notificaciones programadas
/// - Historial de recolecciones
/// - Panel de operador (si role == 'operator')
///
/// RESTRICCIÓN DE PRIVACIDAD: Esta pantalla NO mostrará mapas de rutas
/// ni la posición GPS del vehículo. Solo tiempo estimado de llegada.
class HomeScreenPlaceholder extends StatelessWidget {
const HomeScreenPlaceholder({super.key});
@override
Widget build(BuildContext context) {
return BlocBuilder<AuthBloc, AuthState>(
builder: (context, state) {
final user = state is AuthAuthenticated ? state.user : null;
final isOperator = user?.role == 'operator';
return Scaffold(
backgroundColor: AppTheme.warmWhite,
appBar: AppBar(
title: Row(
children: [
const Icon(Icons.recycling_rounded,
color: AppTheme.leafGreen, size: 22),
const SizedBox(width: 8),
RichText(
text: const TextSpan(
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w700,
color: AppTheme.charcoal,
),
children: [
TextSpan(text: 'Waste'),
TextSpan(
text: 'Notify',
style: TextStyle(color: AppTheme.leafGreen),
),
],
),
),
],
),
actions: [
IconButton(
icon: const Icon(Icons.logout_rounded),
tooltip: 'Cerrar sesión',
onPressed: () {
context.read<AuthBloc>().add(const AuthLogoutRequested());
},
),
],
),
body: CustomScrollView(
slivers: [
SliverPadding(
padding: const EdgeInsets.all(20),
sliver: SliverList(
delegate: SliverChildListDelegate([
// --- Bienvenida ---
_WelcomeCard(user: user),
const SizedBox(height: 20),
// --- ETA Principal (cascarón) ---
const _EtaCard(),
const SizedBox(height: 20),
// --- Mensaje preventivo ---
const _PreventiveMessageCard(),
const SizedBox(height: 20),
// --- Próximas funcionalidades ---
_UpcomingFeatures(isOperator: isOperator),
const SizedBox(height: 20),
// --- Info de sesión (debug MVP) ---
if (user != null) _SessionDebugCard(user: user),
]),
),
),
],
),
);
},
);
}
}
// ---------------------------------------------------------------------------
// Sub-widgets de la pantalla home
// ---------------------------------------------------------------------------
class _WelcomeCard extends StatelessWidget {
final dynamic user;
const _WelcomeCard({required this.user});
@override
Widget build(BuildContext context) {
final roleLabel = user?.role == 'operator' ? 'Operador' : 'Ciudadano';
final identifier = user?.email ?? '';
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [AppTheme.leafGreen, AppTheme.forestGreen],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: AppTheme.leafGreen.withOpacity(0.3),
blurRadius: 16,
offset: const Offset(0, 6),
),
],
),
child: Row(
children: [
Container(
width: 52,
height: 52,
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(13),
),
child: const Icon(
Icons.person_rounded,
color: Colors.white,
size: 30,
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'¡Bienvenido!',
style: const TextStyle(
color: Colors.white70,
fontSize: 13,
),
),
Text(
identifier,
style: const TextStyle(
color: Colors.white,
fontSize: 15,
fontWeight: FontWeight.w700,
),
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
Container(
padding:
const EdgeInsets.symmetric(horizontal: 10, vertical: 3),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.2),
borderRadius: BorderRadius.circular(20),
),
child: Text(
roleLabel,
style: const TextStyle(
color: Colors.white,
fontSize: 11,
fontWeight: FontWeight.w600,
),
),
),
],
),
),
],
),
);
}
}
class _EtaCard extends StatelessWidget {
const _EtaCard();
@override
Widget build(BuildContext context) {
return Card(
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: AppTheme.lightMint,
borderRadius: BorderRadius.circular(10),
),
child: const Icon(
Icons.schedule_rounded,
color: AppTheme.leafGreen,
size: 22,
),
),
const SizedBox(width: 12),
const Expanded(
child: Text(
'Tiempo estimado de llegada',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w700,
color: AppTheme.charcoal,
),
),
),
],
),
const SizedBox(height: 20),
Center(
child: Column(
children: [
Container(
width: 110,
height: 110,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: AppTheme.lightMint,
width: 6,
),
color: Colors.white,
),
child: const Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.hourglass_empty_rounded,
color: AppTheme.midGray,
size: 28,
),
SizedBox(height: 4),
Text(
'— min',
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.w800,
color: AppTheme.midGray,
),
),
],
),
),
const SizedBox(height: 14),
Text(
'Notificaciones activas próximamente',
style: TextStyle(
fontSize: 13,
color: AppTheme.midGray,
),
textAlign: TextAlign.center,
),
const SizedBox(height: 4),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 5),
decoration: BoxDecoration(
color: AppTheme.lightMint,
borderRadius: BorderRadius.circular(20),
),
child: const Text(
'Fase 2 — En desarrollo',
style: TextStyle(
fontSize: 11,
color: AppTheme.leafGreen,
fontWeight: FontWeight.w600,
),
),
),
],
),
),
],
),
),
);
}
}
class _PreventiveMessageCard extends StatelessWidget {
const _PreventiveMessageCard();
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: AppTheme.alertAmber.withOpacity(0.08),
borderRadius: BorderRadius.circular(14),
border: Border.all(
color: AppTheme.alertAmber.withOpacity(0.3),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Row(
children: [
Icon(Icons.campaign_outlined,
color: AppTheme.alertAmber, size: 18),
SizedBox(width: 8),
Text(
'Recuerda siempre',
style: TextStyle(
fontWeight: FontWeight.w700,
fontSize: 13,
color: AppTheme.earthBrown,
),
),
],
),
const SizedBox(height: 10),
_ReminderItem(
'🚮',
'Saca la basura SOLO cuando recibas la alerta de "próxima llegada".',
),
_ReminderItem(
'🚫',
'Nunca persigas ni te acerques al camión. El sistema te avisará a tiempo.',
),
_ReminderItem(
'🌱',
'Separar tus residuos hace más eficiente la recolección. ¡Gracias!',
),
],
),
);
}
}
class _ReminderItem extends StatelessWidget {
final String emoji;
final String text;
const _ReminderItem(this.emoji, this.text);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 6),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(emoji, style: const TextStyle(fontSize: 14)),
const SizedBox(width: 8),
Expanded(
child: Text(
text,
style: const TextStyle(
fontSize: 12.5,
color: AppTheme.earthBrown,
height: 1.4,
),
),
),
],
),
);
}
}
class _UpcomingFeatures extends StatelessWidget {
final bool isOperator;
const _UpcomingFeatures({required this.isOperator});
@override
Widget build(BuildContext context) {
final features = [
(Icons.notifications_active_outlined, 'Alertas push de recolección',
'Fase 2'),
(Icons.history_rounded, 'Historial de notificaciones', 'Fase 2'),
(Icons.settings_outlined, 'Configurar zona y horario', 'Fase 3'),
if (isOperator) ...[
(Icons.bar_chart_rounded, 'Panel de rutas completadas', 'Fase 3'),
(Icons.group_outlined, 'Gestión de sectores', 'Fase 4'),
],
];
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Próximamente en WasteNotify',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w700,
color: AppTheme.charcoal,
),
),
const SizedBox(height: 12),
...features.map((f) => _FeatureRow(
icon: f.$1,
label: f.$2,
phase: f.$3,
)),
],
),
),
);
}
}
class _FeatureRow extends StatelessWidget {
final IconData icon;
final String label;
final String phase;
const _FeatureRow({
required this.icon,
required this.label,
required this.phase,
});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(bottom: 10),
child: Row(
children: [
Icon(icon, size: 18, color: AppTheme.mintGreen),
const SizedBox(width: 12),
Expanded(
child: Text(
label,
style: const TextStyle(fontSize: 13, color: AppTheme.charcoal),
),
),
Container(
padding:
const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
decoration: BoxDecoration(
color: AppTheme.lightGray,
borderRadius: BorderRadius.circular(20),
),
child: Text(
phase,
style: const TextStyle(
fontSize: 10,
color: AppTheme.midGray,
fontWeight: FontWeight.w600,
),
),
),
],
),
);
}
}
class _SessionDebugCard extends StatelessWidget {
final dynamic user;
const _SessionDebugCard({required this.user});
@override
Widget build(BuildContext context) {
final token = user?.token ?? '';
final tokenPreview =
token.length > 40 ? '${token.substring(0, 40)}…' : token;
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: const Color(0xFFF3E5F5),
borderRadius: BorderRadius.circular(10),
border: Border.all(color: const Color(0xFFCE93D8), width: 1),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Row(
children: [
Icon(Icons.developer_mode_rounded,
size: 14, color: Color(0xFF7B1FA2)),
SizedBox(width: 6),
Text(
'Debug — Sesión JWT (solo MVP)',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w700,
color: Color(0xFF7B1FA2),
),
),
],
),
const SizedBox(height: 6),
Text(
'Token: $tokenPreview',
style: const TextStyle(
fontSize: 10.5,
fontFamily: 'monospace',
color: Color(0xFF4A148C),
),
),
Text(
'Role: ${user?.role} | Expira: ${user?.expiresAt?.toLocal().toString().substring(0, 16)}',
style: const TextStyle(
fontSize: 10.5,
fontFamily: 'monospace',
color: Color(0xFF4A148C),
),
),
],
),
);
}
}

411
lib/features/auth/presentation/screens/login_screen.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../../core/theme/app_theme.dart';
import '../bloc/auth_bloc.dart';
import '../bloc/auth_event.dart';
import '../bloc/auth_state.dart';
import '../widgets/privacy_notice_card.dart';
/// Pantalla de inicio de sesión — MVP WasteNotify.
///
/// Diseño: Limpio, institucional, con paleta verde-tierra.
/// Incluye mensajería preventiva integrada de forma no intrusiva.
///
/// Credenciales de demo:
/// Ciudadano: ciudadano@ejemplo.com / password123
/// Operador: operador@ejemplo.com / operador456
/// Teléfono: 5551234567 / pass1234
class LoginScreen extends StatefulWidget {
const LoginScreen({super.key});
@override
State<LoginScreen> createState() => _LoginScreenState();
}
class _LoginScreenState extends State<LoginScreen>
with SingleTickerProviderStateMixin {
final _formKey = GlobalKey<FormState>();
final _identifierController = TextEditingController();
final _passwordController = TextEditingController();
bool _obscurePassword = true;
late final AnimationController _animController;
late final Animation<double> _fadeAnim;
late final Animation<Offset> _slideAnim;
@override
void initState() {
super.initState();
_animController = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 700),
);
_fadeAnim = CurvedAnimation(
parent: _animController,
curve: Curves.easeOut,
);
_slideAnim = Tween<Offset>(
begin: const Offset(0, 0.06),
end: Offset.zero,
).animate(CurvedAnimation(
parent: _animController,
curve: Curves.easeOutCubic,
));
_animController.forward();
}
@override
void dispose() {
_animController.dispose();
_identifierController.dispose();
_passwordController.dispose();
super.dispose();
}
void _submit(BuildContext context) {
if (_formKey.currentState?.validate() ?? false) {
context.read<AuthBloc>().add(
AuthLoginRequested(
identifier: _identifierController.text,
password: _passwordController.text,
),
);
}
}
@override
Widget build(BuildContext context) {
return BlocListener<AuthBloc, AuthState>(
listener: (context, state) {
if (state is AuthFailure) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Row(
children: [
const Icon(Icons.error_outline, color: Colors.white, size: 18),
const SizedBox(width: 10),
Expanded(child: Text(state.message)),
],
),
backgroundColor: AppTheme.errorRed,
),
);
}
},
child: Scaffold(
backgroundColor: AppTheme.warmWhite,
body: SafeArea(
child: CustomScrollView(
slivers: [
SliverFillRemaining(
hasScrollBody: false,
child: FadeTransition(
opacity: _fadeAnim,
child: SlideTransition(
position: _slideAnim,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 28),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(height: 48),
_buildHeader(),
const SizedBox(height: 32),
const ScheduleWarningBanner(),
const SizedBox(height: 32),
_buildForm(context),
const SizedBox(height: 24),
const PrivacyNoticeCard(),
const SizedBox(height: 32),
_buildDemoHint(),
const SizedBox(height: 24),
],
),
),
),
),
),
],
),
),
),
);
}
Widget _buildHeader() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Logo / ícono principal
Container(
width: 60,
height: 60,
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [AppTheme.leafGreen, AppTheme.forestGreen],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(16),
boxShadow: [
BoxShadow(
color: AppTheme.leafGreen.withOpacity(0.35),
blurRadius: 12,
offset: const Offset(0, 4),
),
],
),
child: const Icon(
Icons.recycling_rounded,
color: Colors.white,
size: 34,
),
),
const SizedBox(height: 20),
RichText(
text: const TextSpan(
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.w800,
color: AppTheme.charcoal,
height: 1.15,
),
children: [
TextSpan(text: 'Waste'),
TextSpan(
text: 'Notify',
style: TextStyle(color: AppTheme.leafGreen),
),
],
),
),
const SizedBox(height: 8),
Text(
'Notificaciones de recolección\nsin rastreo, sin riesgos.',
style: TextStyle(
fontSize: 14.5,
color: AppTheme.midGray,
height: 1.5,
),
),
],
);
}
Widget _buildForm(BuildContext context) {
return Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// --- Campo: Email o Teléfono ---
TextFormField(
controller: _identifierController,
keyboardType: TextInputType.emailAddress,
textInputAction: TextInputAction.next,
autocorrect: false,
decoration: const InputDecoration(
labelText: 'Correo electrónico o teléfono',
hintText: 'ej. juan@correo.com o 5551234567',
prefixIcon: Icon(Icons.person_outline_rounded),
),
validator: (value) {
if (value == null || value.trim().isEmpty) {
return 'Ingresa tu correo o número de teléfono';
}
final trimmed = value.trim();
final isEmail = RegExp(
r'^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$',
).hasMatch(trimmed);
final isPhone = RegExp(r'^\d{7,15}$').hasMatch(trimmed);
if (!isEmail && !isPhone) {
return 'Ingresa un correo válido o un número de 7-15 dígitos';
}
return null;
},
),
const SizedBox(height: 16),
// --- Campo: Contraseña ---
TextFormField(
controller: _passwordController,
obscureText: _obscurePassword,
textInputAction: TextInputAction.done,
onFieldSubmitted: (_) => _submit(context),
decoration: InputDecoration(
labelText: 'Contraseña',
hintText: 'Mínimo 6 caracteres',
prefixIcon: const Icon(Icons.lock_outline_rounded),
suffixIcon: IconButton(
icon: Icon(
_obscurePassword
? Icons.visibility_off_outlined
: Icons.visibility_outlined,
color: AppTheme.midGray,
),
onPressed: () =>
setState(() => _obscurePassword = !_obscurePassword),
tooltip: _obscurePassword
? 'Mostrar contraseña'
: 'Ocultar contraseña',
),
),
validator: (value) {
if (value == null || value.isEmpty) {
return 'Ingresa tu contraseña';
}
if (value.length < 6) {
return 'La contraseña debe tener al menos 6 caracteres';
}
return null;
},
),
const SizedBox(height: 8),
// --- Olvidé mi contraseña ---
Align(
alignment: Alignment.centerRight,
child: TextButton(
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Recuperación de contraseña — Próximamente'),
),
);
},
child: const Text(
'¿Olvidaste tu contraseña?',
style: TextStyle(fontSize: 13),
),
),
),
const SizedBox(height: 16),
// --- Botón Principal ---
BlocBuilder<AuthBloc, AuthState>(
builder: (context, state) {
final isLoading = state is AuthLoading;
return AnimatedContainer(
duration: const Duration(milliseconds: 200),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12),
boxShadow: isLoading
? []
: [
BoxShadow(
color: AppTheme.leafGreen.withOpacity(0.4),
blurRadius: 16,
offset: const Offset(0, 6),
),
],
),
child: ElevatedButton(
onPressed: isLoading ? null : () => _submit(context),
style: ElevatedButton.styleFrom(
backgroundColor: isLoading
? AppTheme.mintGreen.withOpacity(0.7)
: AppTheme.leafGreen,
disabledBackgroundColor:
AppTheme.mintGreen.withOpacity(0.6),
),
child: isLoading
? const SizedBox(
height: 22,
width: 22,
child: CircularProgressIndicator(
strokeWidth: 2.5,
valueColor: AlwaysStoppedAnimation(Colors.white),
),
)
: const Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.login_rounded, size: 20),
SizedBox(width: 10),
Text('Ingresar de forma segura'),
],
),
),
);
},
),
],
),
);
}
Widget _buildDemoHint() {
return Container(
padding: const EdgeInsets.all(14),
decoration: BoxDecoration(
color: AppTheme.sandBeige,
borderRadius: BorderRadius.circular(10),
border: Border.all(color: const Color(0xFFFFE082), width: 1),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
const Icon(Icons.science_outlined,
size: 15, color: AppTheme.earthBrown),
const SizedBox(width: 6),
Text(
'Demo MVP — Credenciales de prueba',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w700,
color: AppTheme.earthBrown,
),
),
],
),
const SizedBox(height: 6),
_DemoCredential(
label: 'Ciudadano',
user: 'ciudadano@ejemplo.com',
pass: 'password123',
),
_DemoCredential(
label: 'Operador',
user: 'operador@ejemplo.com',
pass: 'operador456',
),
_DemoCredential(
label: 'Teléfono',
user: '5551234567',
pass: 'pass1234',
),
],
),
);
}
}
class _DemoCredential extends StatelessWidget {
final String label;
final String user;
final String pass;
const _DemoCredential({
required this.label,
required this.user,
required this.pass,
});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(top: 3),
child: Text(
'$label: $user / $pass',
style: const TextStyle(
fontSize: 11.5,
color: AppTheme.earthBrown,
fontFamily: 'monospace',
),
),
);
}
}

138
lib/features/auth/presentation/widgets/privacy_notice_card.dart Normal file
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import 'package:flutter/material.dart';
import '../../../../core/theme/app_theme.dart';
/// Widget de aviso de privacidad con mensajería preventiva.
///
/// Comunica de forma elegante las garantías de privacidad del sistema
/// y desincentiva comportamientos peligrosos como perseguir el camión.
class PrivacyNoticeCard extends StatelessWidget {
const PrivacyNoticeCard({super.key});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: AppTheme.lightMint,
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: AppTheme.mintGreen.withOpacity(0.3),
width: 1,
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.shield_outlined,
size: 18,
color: AppTheme.leafGreen,
),
const SizedBox(width: 8),
Text(
'Tu seguridad, nuestra prioridad',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w700,
color: AppTheme.forestGreen,
letterSpacing: 0.2,
),
),
],
),
const SizedBox(height: 10),
_PrivacyPoint(
icon: Icons.location_off_outlined,
text:
'Nunca mostraremos mapas en tiempo real ni la ubicación exacta del camión.',
),
const SizedBox(height: 6),
_PrivacyPoint(
icon: Icons.directions_run_outlined,
text:
'No necesitas perseguir al camión — recibirás una alerta con tiempo suficiente.',
),
const SizedBox(height: 6),
_PrivacyPoint(
icon: Icons.lock_outline,
text:
'Tu sesión usa cifrado JWT. Nunca compartimos tus datos con terceros.',
),
],
),
);
}
}
class _PrivacyPoint extends StatelessWidget {
final IconData icon;
final String text;
const _PrivacyPoint({required this.icon, required this.text});
@override
Widget build(BuildContext context) {
return Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(icon, size: 15, color: AppTheme.mintGreen),
const SizedBox(width: 8),
Expanded(
child: Text(
text,
style: TextStyle(
fontSize: 12,
color: AppTheme.forestGreen.withOpacity(0.85),
height: 1.4,
),
),
),
],
);
}
}
/// Banner de horario preventivo — aparece en la pantalla de login
/// para desincentivar sacar basura fuera de horario.
class ScheduleWarningBanner extends StatelessWidget {
const ScheduleWarningBanner({super.key});
@override
Widget build(BuildContext context) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
decoration: BoxDecoration(
color: AppTheme.alertAmber.withOpacity(0.10),
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: AppTheme.alertAmber.withOpacity(0.35),
width: 1,
),
),
child: Row(
children: [
Icon(
Icons.wb_twilight_outlined,
size: 16,
color: AppTheme.alertAmber,
),
const SizedBox(width: 10),
Expanded(
child: Text(
'Saca tu basura solo en el horario indicado. '
'Hacerlo antes contamina y genera multas.',
style: TextStyle(
fontSize: 11.5,
color: AppTheme.earthBrown,
height: 1.4,
),
),
),
],
),
);
}
}