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import 'package:flutter/material.dart';
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import 'package:flutter_mobx/flutter_mobx.dart';
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import 'package:intl/intl.dart';
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import '../../../../core/theme/app_colors.dart';
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import '../../../../core/widgets/medical_modal.dart';
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import '../../../config/presentation/store/config_store.dart';
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import '../../services/prescription_pdf_service.dart';
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class PrescriptionModalView extends StatefulWidget {
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final String patientName;
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final ConfigStore? configStore;
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const PrescriptionModalView({
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super.key,
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required this.patientName,
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this.configStore,
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});
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@override
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State<PrescriptionModalView> createState() => _PrescriptionModalViewState();
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}
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class _PrescriptionModalViewState extends State<PrescriptionModalView> {
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late final TextEditingController _patientController;
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late final TextEditingController _prescriptionController;
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late final FocusNode _prescriptionFocusNode;
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late final ConfigStore _configStore;
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bool _isPrinting = false;
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String? _statusMessage;
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bool _hasError = false;
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@override
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void initState() {
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super.initState();
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_patientController = TextEditingController(text: widget.patientName);
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_prescriptionController = TextEditingController();
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_prescriptionFocusNode = FocusNode();
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_configStore = widget.configStore ?? ConfigStore();
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_configStore.loadConfig();
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}
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@override
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void dispose() {
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_patientController.dispose();
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_prescriptionController.dispose();
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_prescriptionFocusNode.dispose();
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super.dispose();
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}
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void _insertBullet() {
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final text = _prescriptionController.text;
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final selection = _prescriptionController.selection;
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final bullet = text.isEmpty || text.endsWith('\n') ? '• ' : '\n• ';
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int start = selection.start;
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int end = selection.end;
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if (start < 0 || end < 0) {
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start = text.length;
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end = text.length;
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}
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final newText = text.replaceRange(start, end, bullet);
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final newOffset = start + bullet.length;
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_prescriptionController.value = TextEditingValue(
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text: newText,
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selection: TextSelection.collapsed(offset: newOffset),
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);
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_prescriptionFocusNode.requestFocus();
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}
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Future<void> _handlePrint() async {
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final patient = _patientController.text.trim();
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final prescription = _prescriptionController.text.trim();
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if (patient.isEmpty) {
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setState(() {
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_statusMessage = 'Debe indicar el nombre del paciente.';
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_hasError = true;
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});
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return;
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}
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if (prescription.isEmpty) {
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setState(() {
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_statusMessage = 'Debe redactar los medicamentos e indicaciones de la receta.';
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_hasError = true;
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});
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return;
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}
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setState(() {
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_isPrinting = true;
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_statusMessage = 'Generando receta médica en formato oficial...';
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_hasError = false;
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});
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try {
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await PrescriptionPdfService.printPrescription(
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doctorName: _configStore.nombreDoctor,
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specialty: _configStore.especialidad,
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subspecialty: _configStore.descripEspecialidad,
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generalContact: _configStore.descripGeneral,
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patientName: patient,
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prescriptionText: prescription,
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);
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if (mounted) {
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setState(() {
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_isPrinting = false;
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_statusMessage = 'Receta generada con éxito.';
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_hasError = false;
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});
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}
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} catch (e) {
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if (mounted) {
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setState(() {
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_isPrinting = false;
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_statusMessage = 'Error al generar la receta: $e';
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_hasError = true;
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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 formattedDate = DateFormat('dd/MM/yyyy').format(DateTime.now());
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return Observer(
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builder: (_) {
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return MedicalModalDialog(
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maxWidth: 820,
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maxHeight: 650,
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title: 'Emisión de Receta Médica',
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titleIcon: Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: const Color(0xFF00A65A).withValues(alpha: 0.12),
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borderRadius: BorderRadius.circular(10),
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),
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child: const Icon(
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Icons.medication_rounded,
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color: Color(0xFF00A65A),
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size: 20,
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),
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),
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subtitle: const Text(
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'Redacte la prescripción para imprimir en talonario media carta institucional',
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style: TextStyle(fontSize: 12, color: AppColors.textMuted),
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),
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bottomBar: Container(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
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decoration: const BoxDecoration(
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color: Color(0xFFF8FAFC),
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border: Border(top: BorderSide(color: Color(0xFFE2E8F0))),
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),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(4),
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decoration: BoxDecoration(
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color: _hasError
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? AppColors.error.withValues(alpha: 0.12)
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: const Color(0xFF00A65A).withValues(alpha: 0.12),
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shape: BoxShape.circle,
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),
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child: Icon(
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_hasError
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? Icons.error_outline_rounded
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: Icons.check_circle_outline_rounded,
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size: 15,
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color: _hasError ? AppColors.error : const Color(0xFF00A65A),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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_statusMessage ??
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(_isPrinting
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? 'Preparando documento para impresión...'
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: 'Listo para emitir la receta médica'),
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: _hasError ? AppColors.error : AppColors.textSecondary,
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),
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),
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),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(6),
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border: Border.all(color: const Color(0xFFE2E8F0)),
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),
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child: const Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.keyboard_outlined, size: 12, color: AppColors.textMuted),
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SizedBox(width: 4),
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Text(
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'ESC para salir',
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style: TextStyle(
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fontSize: 11,
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color: AppColors.textMuted,
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fontWeight: FontWeight.w500,
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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(width: 12),
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ElevatedButton.icon(
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onPressed: _isPrinting ? null : _handlePrint,
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icon: _isPrinting
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Icon(Icons.print_rounded, size: 16),
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label: Text(
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_isPrinting ? 'Generando...' : 'Crear / Imprimir Receta',
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style: const TextStyle(fontWeight: FontWeight.w600, fontSize: 12.5),
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),
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF00A65A),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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elevation: 0,
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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: SingleChildScrollView(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Membrete Informativo del Médico (Vista preliminar institucional)
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: const Color(0xFFF8FAFC),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: const Color(0xFFE2E8F0)),
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),
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child: Column(
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children: [
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Text(
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_configStore.nombreDoctor.isNotEmpty
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? _configStore.nombreDoctor
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: 'Dr. Luis A. Castro Sosa',
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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letterSpacing: -0.3,
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),
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),
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if (_configStore.especialidad.isNotEmpty) ...[
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const SizedBox(height: 2),
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Text(
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_configStore.especialidad.toUpperCase(),
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontSize: 11.5,
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fontWeight: FontWeight.w600,
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color: AppColors.primary,
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letterSpacing: 0.5,
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),
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),
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],
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if (_configStore.descripEspecialidad.isNotEmpty) ...[
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const SizedBox(height: 2),
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Text(
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_configStore.descripEspecialidad.toUpperCase(),
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontSize: 10,
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color: AppColors.textMuted,
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),
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),
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],
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const SizedBox(height: 4),
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Text(
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'Fecha: $formattedDate',
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style: const TextStyle(
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fontSize: 11,
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fontWeight: FontWeight.w500,
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color: AppColors.textSecondary,
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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: 16),
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// Campo Paciente
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Row(
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children: [
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
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decoration: BoxDecoration(
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color: const Color(0xFF00A65A).withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(8),
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),
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child: const Text(
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'Rx',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w800,
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color: Color(0xFF00A65A),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: TextField(
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controller: _patientController,
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decoration: InputDecoration(
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labelText: 'Paciente',
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hintText: 'Nombre del paciente',
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isDense: true,
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floatingLabelBehavior: FloatingLabelBehavior.always,
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filled: true,
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fillColor: Colors.white,
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contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: const BorderSide(color: AppColors.primary, width: 1.5),
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),
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),
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style: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600),
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),
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),
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],
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),
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const SizedBox(height: 16),
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// Barra de herramientas de redacción
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'Medicamentos y Posología:',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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),
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),
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TextButton.icon(
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onPressed: _insertBullet,
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icon: const Icon(Icons.format_list_bulleted_rounded, size: 16),
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label: const Text('Insertar viñeta (•)', style: TextStyle(fontSize: 12)),
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style: TextButton.styleFrom(
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foregroundColor: AppColors.primary,
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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visualDensity: VisualDensity.compact,
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),
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),
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],
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),
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const SizedBox(height: 6),
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// Lienzo de prescripción
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TextField(
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controller: _prescriptionController,
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focusNode: _prescriptionFocusNode,
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maxLines: 12,
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minLines: 8,
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style: const TextStyle(fontSize: 13.5, height: 1.5, color: AppColors.textPrimary),
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decoration: InputDecoration(
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hintText: '1. Nombre del medicamento, concentración\n - Dosis y frecuencia (ej. Tomar 1 tableta cada 8 horas por 7 días)\n - Indicaciones especiales (con comidas, en ayunas, etc.)\n\n2. Siguiente medicamento...',
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hintStyle: const TextStyle(color: Color(0xFF94A3B8), fontSize: 13),
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filled: true,
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fillColor: Colors.white,
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contentPadding: const EdgeInsets.all(16),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: const BorderSide(color: AppColors.primary, width: 1.5),
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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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}
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