<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';
require_once __DIR__ . '/../includes/functions.php';
require_once __DIR__ . '/../includes/PrinterService.php';

$pdo = db();
$input = json_decode(file_get_contents('php://input'), true);

$order_id = $input['order_id'] ?? null;
$type = $input['type'] ?? 'cashier'; // 'cashier' or 'kitchen'

if (!$order_id) {
    echo json_encode(['success' => false, 'error' => 'Order ID is required']);
    exit;
}

try {
    // Fetch order details with outlet info
    $stmt = $pdo->prepare("
        SELECT o.*, out.cashier_printer_ip, out.kitchen_printer_ip 
        FROM orders o 
        JOIN outlets out ON o.outlet_id = out.id 
        WHERE o.id = ?
    ");
    $stmt->execute([$order_id]);
    $order = $stmt->fetch(PDO::FETCH_ASSOC);

    if (!$order) {
        echo json_encode(['success' => false, 'error' => 'Order not found']);
        exit;
    }

    // Fetch items
    $stmt = $pdo->prepare("SELECT * FROM order_items WHERE order_id = ?");
    $stmt->execute([$order_id]);
    $items = $stmt->fetchAll(PDO::FETCH_ASSOC);

    // Fetch company settings
    $company = get_company_settings();

    // Determine target IP
    $printer_ip = ($type === 'kitchen') ? $order['kitchen_printer_ip'] : $order['cashier_printer_ip'];

    if (empty($printer_ip)) {
        echo json_encode(['success' => false, 'error' => "No $type printer IP configured for this outlet"]);
        exit;
    }

    // Generate ESC/POS data
    $data = PrinterService::formatReceipt($order, $items, $company);

    // Send to printer
    $result = PrinterService::sendToNetworkPrinter($printer_ip, $data);

    echo json_encode($result);

} catch (Exception $e) {
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}