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import 'dart:typed_data';
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import 'package:flutter/services.dart' show rootBundle;
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import 'package:intl/intl.dart';
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import 'package:pdf/pdf.dart';
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import 'package:pdf/widgets.dart' as pw;
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import 'package:printing/printing.dart';
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class InsuranceAuthPdfService {
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/// Genera el documento PDF de Autorización de Seguro en formato Media Carta Horizontal
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/// (8.5 x 5.5 pulgadas / 612 x 396 pt), idéntico a AlfaMedical.
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static Future<Uint8List> buildInsuranceAuthPdf({
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required String doctorName,
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required String specialty,
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required String subspecialty,
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required String generalContact,
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required String arsName,
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required String patientName,
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required String surgeryText,
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required String diagnosisText,
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String? anesthesia,
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String? daysOfStay,
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DateTime? date,
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pw.Font? fontRegular,
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pw.Font? fontBold,
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pw.Font? fontTitle,
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String? logoSvg,
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}) async {
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final pdf = pw.Document(title: 'Autorización de seguro - $patientName');
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final formattedDate = DateFormat('dd/MM/yyyy').format(date ?? DateTime.now());
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// Formato exacto e idéntico a AlfaMedical (ReportLab):
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// pagesize = (8.5*inch, 5.5*inch)
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// leftMargin = 72, rightMargin = 72, topMargin = 18, bottomMargin = 18.
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const pageFormat = PdfPageFormat(
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8.5 * PdfPageFormat.inch,
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5.5 * PdfPageFormat.inch,
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marginLeft: 72,
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marginRight: 72,
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marginTop: 18,
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marginBottom: 18,
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);
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// Tipografías estándar con fallback a fuentes base PDF si no hay conexión a internet
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pw.Font regular = fontRegular ?? pw.Font.helvetica();
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pw.Font bold = fontBold ?? pw.Font.helveticaBold();
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pw.Font titleFont = fontTitle ?? pw.Font.timesBoldItalic();
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if (fontRegular == null || fontBold == null || fontTitle == null) {
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try {
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regular = await PdfGoogleFonts.robotoRegular();
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bold = await PdfGoogleFonts.robotoBold();
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titleFont = await PdfGoogleFonts.playfairDisplayItalic();
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} catch (_) {
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regular = pw.Font.helvetica();
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bold = pw.Font.helveticaBold();
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titleFont = pw.Font.timesBoldItalic();
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}
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}
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String? svgContent = logoSvg;
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if (svgContent == null) {
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try {
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svgContent = await rootBundle.loadString('assets/images/hidalyx_logo_blue.svg');
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} catch (_) {
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svgContent = null;
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}
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}
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pdf.addPage(
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pw.Page(
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pageFormat: pageFormat,
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build: (pw.Context context) {
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return pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.stretch,
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children: [
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// 1. Cabecera con Nombre del Doctor y Badge Sutil de Hidalyx Med
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pw.Stack(
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children: [
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// Nombre y especialidad del doctor centrado
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pw.Align(
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alignment: pw.Alignment.center,
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child: pw.Column(
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children: [
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pw.Text(
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doctorName.isNotEmpty ? doctorName : 'Dr. Luis A. Castro Sosa',
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style: pw.TextStyle(
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font: titleFont,
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fontSize: 22,
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fontWeight: pw.FontWeight.bold,
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color: PdfColor.fromHex('1E293B'),
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),
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),
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pw.SizedBox(height: 3),
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if (specialty.isNotEmpty)
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pw.Text(
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specialty.toUpperCase(),
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style: pw.TextStyle(
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font: bold,
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fontSize: 10.5,
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letterSpacing: 0.5,
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color: PdfColor.fromHex('0F172A'),
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),
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),
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if (subspecialty.isNotEmpty) ...[
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pw.SizedBox(height: 2),
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pw.Text(
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subspecialty.toUpperCase(),
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textAlign: pw.TextAlign.center,
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style: pw.TextStyle(
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font: regular,
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fontSize: 8.5,
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color: PdfColor.fromHex('475569'),
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),
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),
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],
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pw.SizedBox(height: 3),
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pw.Text(
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'Fecha: $formattedDate',
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style: pw.TextStyle(
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font: regular,
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fontSize: 9.5,
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color: PdfColor.fromHex('334155'),
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),
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),
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],
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),
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),
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// Badge sutil de Hidalyx Med en la esquina superior derecha
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pw.Positioned(
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top: 0,
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right: 0,
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child: pw.Row(
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mainAxisSize: pw.MainAxisSize.min,
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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if (svgContent != null && svgContent.isNotEmpty) ...[
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pw.Opacity(
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opacity: 0.6,
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child: pw.SvgImage(
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svg: svgContent,
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width: 7.5,
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height: 7.5,
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),
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),
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pw.SizedBox(width: 3),
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],
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pw.Text(
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'hidalyx.com',
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style: pw.TextStyle(
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font: regular,
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fontSize: 6.0,
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color: PdfColor.fromHex('94A3B8'),
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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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pw.SizedBox(height: 6),
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// Línea divisoria decorativa del membrete
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pw.Container(
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height: 1,
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color: PdfColor.fromHex('CBD5E1'),
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),
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pw.SizedBox(height: 8),
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// 2. Encabezado de la Orden Médica (Símbolo Rx)
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pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Container(
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padding: const pw.EdgeInsets.symmetric(horizontal: 6, vertical: 2),
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decoration: pw.BoxDecoration(
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color: PdfColor.fromHex('E2E8F0'),
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borderRadius: pw.BorderRadius.circular(4),
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),
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child: pw.Text(
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'Rx',
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style: pw.TextStyle(
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font: bold,
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fontSize: 12,
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color: PdfColor.fromHex('00A65A'),
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),
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),
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),
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pw.SizedBox(width: 8),
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pw.Text(
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'SOLICITUD DE AUTORIZACIÓN QUIRÚRGICA',
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style: pw.TextStyle(
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font: bold,
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fontSize: 10,
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letterSpacing: 0.5,
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color: PdfColor.fromHex('475569'),
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),
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),
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],
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),
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pw.SizedBox(height: 8),
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// 3. Contenido Formal idéntico a AlfaMedical
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pw.Expanded(
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.stretch,
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children: [
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// Señores ARS
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pw.RichText(
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text: pw.TextSpan(
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children: [
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pw.TextSpan(
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text: 'Señores ARS: ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: arsName.isNotEmpty ? arsName : '____________________________________',
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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),
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],
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),
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),
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pw.SizedBox(height: 6),
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// Favor autorizar al Sr. (a)
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pw.RichText(
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text: pw.TextSpan(
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children: [
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pw.TextSpan(
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text: 'Favor autorizar al Sr. (a): ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: patientName.isNotEmpty ? patientName : '___________________________',
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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),
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],
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),
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),
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pw.SizedBox(height: 6),
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// La cirugía de:
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pw.RichText(
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text: pw.TextSpan(
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children: [
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pw.TextSpan(
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text: 'La cirugía de: ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: surgeryText.trim().isNotEmpty ? surgeryText.trim() : '___________________________',
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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),
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],
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),
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),
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pw.SizedBox(height: 6),
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// Diagnóstico
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pw.RichText(
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text: pw.TextSpan(
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children: [
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pw.TextSpan(
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text: 'Diagnóstico: ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: diagnosisText.trim().isNotEmpty ? diagnosisText.trim() : '___________________________',
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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),
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],
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),
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),
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pw.SizedBox(height: 6),
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// Bajo Anestesia y Días de ingreso
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if ((anesthesia != null && anesthesia.trim().isNotEmpty) ||
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(daysOfStay != null && daysOfStay.trim().isNotEmpty)) ...[
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pw.RichText(
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text: pw.TextSpan(
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children: [
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if (anesthesia != null && anesthesia.trim().isNotEmpty) ...[
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pw.TextSpan(
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text: 'Bajo Anestesia: ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: anesthesia.trim(),
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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),
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],
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if (daysOfStay != null && daysOfStay.trim().isNotEmpty) ...[
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pw.TextSpan(
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text: ' Con ',
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style: pw.TextStyle(font: bold, fontSize: 11, color: PdfColor.fromHex('1E293B')),
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),
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pw.TextSpan(
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text: '${daysOfStay.trim()} Días de ingreso',
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style: pw.TextStyle(font: regular, fontSize: 11, color: PdfColor.fromHex('0F172A')),
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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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pw.SizedBox(height: 6),
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// 4. Pie de página con Contacto del Consultorio
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if (generalContact.isNotEmpty) ...[
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pw.Container(
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padding: const pw.EdgeInsets.only(top: 4),
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child: pw.Text(
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generalContact.toUpperCase(),
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textAlign: pw.TextAlign.center,
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style: pw.TextStyle(
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font: regular,
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fontSize: 6.8,
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color: PdfColor.fromHex('64748B'),
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lineSpacing: 1.5,
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),
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),
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),
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],
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pw.SizedBox(height: 3),
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// Confirmación institucional
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pw.Center(
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child: pw.Text(
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'Documento médico emitido electrónicamente',
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style: pw.TextStyle(
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font: regular,
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fontSize: 6.0,
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color: PdfColor.fromHex('94A3B8'),
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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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return pdf.save();
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}
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/// Envía a imprimir directamente o abre el diálogo nativo de impresión/PDF.
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static Future<void> printInsuranceAuth({
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required String doctorName,
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required String specialty,
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required String subspecialty,
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required String generalContact,
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required String arsName,
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required String patientName,
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required String surgeryText,
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required String diagnosisText,
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String? anesthesia,
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String? daysOfStay,
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DateTime? date,
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}) async {
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final pdfBytes = await buildInsuranceAuthPdf(
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doctorName: doctorName,
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specialty: specialty,
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subspecialty: subspecialty,
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generalContact: generalContact,
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arsName: arsName,
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patientName: patientName,
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surgeryText: surgeryText,
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diagnosisText: diagnosisText,
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anesthesia: anesthesia,
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daysOfStay: daysOfStay,
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date: date,
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);
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await Printing.layoutPdf(
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onLayout: (PdfPageFormat format) async => pdfBytes,
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name: 'Autorizacion_Seguro_${patientName.replaceAll(' ', '_')}',
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);
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}
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}
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