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hidalyx-drluiscastro/lib/features/prescription/presentation/views/prescription_modal_view.dart
T
2026-09-21 16:33:51 -04:00

417 lines
16 KiB
Dart

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