<?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);

$action = $input['action'] ?? 'print';

if ($action === 'test') {
    $ip = $input['ip'] ?? null;
    if (!$ip) {
        echo json_encode(['success' => false, 'error' => 'IP is required']);
        exit;
    }
    
    // Send a simple test line
    $testData = "\x1b" . "@"; // Initialize printer
    $testData .= "Printer Test Successful\n";
    $testData .= "IP: $ip\n";
    $testData .= "Date: " . date('Y-m-d H:i:s') . "\n";
    $testData .= "\n\n\n\n\n";
    $testData .= "\x1b" . "m"; // Cut
    
    $result = PrinterService::sendToNetworkPrinter($ip, $testData);
    echo json_encode($result);
    exit;
}

$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()]);
}