miracle_print_fe_ufood/precuenta_movil.php

<?php
/**
 * Archivo para imprimir precuentas desde app móvil
 * Imprime solo en la impresora de caja (normalmente POS-80C)
  * Usa librería: mike42/escpos-php
 */

if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
    header("Access-Control-Allow-Origin: *");
    header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");
    header("Access-Control-Allow-Headers: Content-Type, Authorization, X-Requested-With");
    http_response_code(204);
    exit;
}

header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE");
header("Access-Control-Allow-Headers: Content-Type, Authorization");
header('Content-Type: application/json; charset=utf-8');

error_reporting(E_ALL);
ini_set('display_errors', 0);
ini_set('log_errors', 1);
ini_set('error_log', 'logs/error.log');

require __DIR__ . '/vendor/autoload.php';
use Mike42\Escpos\Printer;
use Mike42\Escpos\PrintConnectors\WindowsPrintConnector;

// Recibir datos
$dataPrint = null;

if(isset($_POST["dataPrint"])){
    if(is_string($_POST["dataPrint"])){
        $dataPrint = json_decode($_POST["dataPrint"], true);
    } else {
        $dataPrint = $_POST["dataPrint"];
    }
}

if(!$dataPrint){
    echo json_encode([
        'success' => false,
        'status' => 'error', 
        'message' => 'No se recibieron datos para imprimir'
    ]);
    exit;
}

try {
    // Nombre de la impresora de caja (ajustar según tu configuración)
    $nombreImpresora = isset($dataPrint['printer']) ? $dataPrint['printer'] : "POS-80C";
    
    $connector = new WindowsPrintConnector($nombreImpresora);
    $printer = new Printer($connector);
    
    $anchoPapel = isset($dataPrint['anchopapel']) ? intval($dataPrint['anchopapel']) : 80;
    
    // ENCABEZADO
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer->setTextSize(2, 2);
    $printer->text($dataPrint['empresa']['nombre_empresa'] . "\n");
    $printer->setTextSize(1, 1);
    $printer->text($dataPrint['empresa']['direccion_empresa'] . "\n");
    $printer->text("Tel: " . $dataPrint['empresa']['telefono_empresa'] . "\n");
    $printer->text(str_repeat("=", 45) . "\n");
    $printer->setEmphasis(true);
    $printer->text("PRECUENTA\n");
    $printer->setEmphasis(false);
    $printer->text(str_repeat("=", 45) . "\n");
    
    // INFORMACIÓN DE LA ORDEN
    $printer->setJustification(Printer::JUSTIFY_LEFT);
    $printer->setEmphasis(true);
    $printer->text("Orden #: ");
    $printer->setEmphasis(false);
    $printer->text($dataPrint['num_orden'] . "\n");
    
    $printer->setEmphasis(true);
    $printer->text("Fecha: ");
    $printer->setEmphasis(false);
    $printer->text(date('d/m/Y H:i', strtotime($dataPrint['fecha'])) . "\n");
    
    if (!empty($dataPrint['salon'])) {
        $printer->setEmphasis(true);
        $printer->text("Salon: ");
        $printer->setEmphasis(false);
        $printer->text($dataPrint['salon'] . "\n");
    }
    
    if (!empty($dataPrint['mesa'])) {
        $printer->setEmphasis(true);
        $printer->text("Mesa: ");
        $printer->setEmphasis(false);
        $printer->text($dataPrint['mesa'] . "\n");
    }
    
    /*
    if (!empty($dataPrint['mesero'])) {
        $printer->setEmphasis(true);
        $printer->text("Mesero: ");
        $printer->setEmphasis(false);
        $printer->text($dataPrint['mesero'] . "\n");
    }*/
    
    if (!empty($dataPrint['cliente'])) {
        $printer->setEmphasis(true);
        $printer->text("Cliente: ");
        $printer->setEmphasis(false);
        $printer->text($dataPrint['cliente'] . "\n");
    }
    
    if (!empty($dataPrint['servicio'])) {
        $printer->setEmphasis(true);
        $printer->text("Servicio: ");
        $printer->setEmphasis(false);
        $printer->text($dataPrint['servicio'] . "\n");
    }
    
    $printer->text(str_repeat("-", 45) . "\n");
    
    // ENCABEZADO DE TABLA
    $printer->setEmphasis(true);
    $printer->text("CANT  DESCRIPCION               TOTAL\n");
    $printer->setEmphasis(false);
    $printer->text(str_repeat("-", 45) . "\n");
    
    // PLATOS
    $subtotal = 0;
    foreach ($dataPrint['platos'] as $plato) {
        // Convertir objeto a array si es necesario
        $platoArray = is_object($plato) ? (array)$plato : $plato;
        
        $cant = number_format($platoArray['cant'], 0);
        $nombre = $platoArray['nombre'];
        $precio = $platoArray['precio'];
        $total = $platoArray['cant'] * $platoArray['precio'];
        $subtotal += $total;
        
        // Línea del plato - cant y nombre
        $cantPad = str_pad($cant, 4);
        $nombreCorto = substr($nombre, 0, 25);
        $totalStr = "$" . number_format($total, 2);
        
        $printer->text($cantPad . "x " . str_pad($nombreCorto, 27) . str_pad($totalStr, 10, " ", STR_PAD_LEFT) . "\n");
        
        // Acompañamientos
        if (isset($platoArray['acompanamientos']) && is_array($platoArray['acompanamientos']) && count($platoArray['acompanamientos']) > 0) {
            foreach ($platoArray['acompanamientos'] as $acomp) {
                $acompArray = is_object($acomp) ? (array)$acomp : $acomp;
                $printer->text("     + " . $acompArray['acompanamiento'] . "\n");
            }
        }
        
        /*
        if (!empty($platoArray['notas'])) {
            $printer->text("     Nota: " . $platoArray['notas'] . "\n");
        }*/
    }
    
    $printer->text(str_repeat("=", 45) . "\n");
    
    // TOTALES
    $printer->setJustification(Printer::JUSTIFY_RIGHT);
    $printer->text("Subtotal:  $" . number_format($dataPrint['subtotal'], 2) . "\n");
    
    if (isset($dataPrint['descuento']) && $dataPrint['descuento'] > 0) {
        $printer->text("Descuento: -$" . number_format($dataPrint['descuento'], 2) . "\n");
    }
    
    if (isset($dataPrint['propina']) && $dataPrint['propina'] > 0) {
        $printer->text("Propina:   $" . number_format($dataPrint['propina'], 2) . "\n");
    }
    
    $total = $dataPrint['subtotal'] - (isset($dataPrint['descuento']) ? $dataPrint['descuento'] : 0) + (isset($dataPrint['propina']) ? $dataPrint['propina'] : 0);
    
    $printer->text(str_repeat("-", 45) . "\n");
    $printer->setEmphasis(true);
    $printer->setTextSize(2, 1);
    $printer->text("TOTAL: $" . number_format($total, 2) . "\n");
    $printer->setTextSize(1, 1);
    $printer->setEmphasis(false);
    $printer->text(str_repeat("=", 45) . "\n");
    
    $printer->setJustification(Printer::JUSTIFY_CENTER);
    $printer->text("\n¡Gracias por su preferencia!\n");
    $printer->text("Esta NO es una factura\n");
    
    $printer->feed(3);
    $printer->cut();
    $printer->close();
    
    echo json_encode([
        'success' => true,
        'status' => 'success',
        'message' => 'Precuenta impresa correctamente en ' . $nombreImpresora
    ]);
    
} catch (Exception $e) {
    echo json_encode([
        'success' => false,
        'status' => 'error',
        'message' => 'Error al imprimir: ' . $e->getMessage()
    ]);
}