query('SELECT id, name, phone FROM customers ORDER BY name ASC')->fetchAll();
} catch (Throwable $e) {
$customers = [];
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$submitAction = trim((string) ($_POST['submit_action'] ?? 'save'));
if (!in_array($submitAction, ['save', 'save_print'], true)) {
$submitAction = 'save';
}
$branchCode = trim((string) ($_POST['branch_code'] ?? ''));
$customerId = isset($_POST['customer_id']) && $_POST['customer_id'] !== '' ? (int)$_POST['customer_id'] : null;
$customerName = trim((string) ($_POST['customer_name'] ?? ''));
$paymentMethod = trim((string) ($_POST['payment_method'] ?? 'cash'));
$paymentAmountInput = trim((string) ($_POST['payment_amount'] ?? ''));
$saleStatus = trim((string) ($_POST['sale_status'] ?? ($isEidOrder ? 'order' : 'completed')));
$saleStatusInput = $saleStatus;
$notes = trim((string) ($_POST['notes'] ?? ''));
$notesInput = $notes;
$deliveryStatus = trim((string) ($_POST['delivery_status'] ?? ($isEidOrder ? 'pending' : '')));
$selectedDeliveryStatus = $deliveryStatus;
$deliveryDate = trim((string) ($_POST['delivery_date'] ?? ''));
$deliveryDateInput = $deliveryDate;
$cartJson = (string) ($_POST['cart_json'] ?? '[]');
$items = json_decode($cartJson, true);
if (!in_array($branchCode, $allowedBranches, true)) {
$error = tr('اختر فرعاً صالحاً لهذه الصلاحية.', 'Choose a valid branch for this role.');
} elseif (!in_array($paymentMethod, ['cash', 'card', 'transfer', 'pay_later'], true)) {
$error = tr('اختر طريقة دفع صحيحة.', 'Choose a valid payment method.');
} elseif ($saleStatus === 'order' && !$customerId) {
$error = tr('يجب اختيار عميل للطلب المسبق.', 'You must select a customer for a pre-order.');
} elseif ($isEidOrder && !isset($deliveryOptions[$deliveryStatus])) {
$error = tr('اختر حالة تجهيز صحيحة لطلب العيد.', 'Choose a valid prep status for the Eid order.');
} elseif ($isEidOrder && ($deliveryDate === '' || !preg_match('/^\d{4}-\d{2}-\d{2}$/', $deliveryDate))) {
$error = tr('حدد تاريخ تسليم صحيح لطلب العيد.', 'Choose a valid delivery date for the Eid order.');
} elseif (!is_array($items) || $items === []) {
$error = tr('أضف صنفاً واحداً على الأقل إلى الفاتورة.', 'Add at least one item to the invoice.');
} else {
$normalized = [];
$subtotal = 0.0;
$totalVat = 0.0;
$itemCount = 0;
foreach ($items as $item) {
$sku = (string) ($item['sku'] ?? '');
$qty = (int) ($item['qty'] ?? 0);
if (!isset($catalog[$sku]) || $qty < 1) {
continue;
}
$product = $catalog[$sku];
$editedName = trim((string) ($item['name'] ?? ''));
$finalName = $editedName !== ''
? $editedName
: trim((string) ($product['name_' . current_lang()] ?? ''));
if ($finalName === '') {
$finalName = trim((string) ($product['name_ar'] ?? ''));
}
if ($finalName === '') {
$finalName = trim((string) ($product['name_en'] ?? ''));
}
if ($finalName === '') {
$finalName = $sku;
}
$price = isset($item['price']) && is_numeric($item['price'])
? max(0, (float) $item['price'])
: (float) $product['price'];
$lineTotal = $price * $qty;
$vatPercent = (float) ($product['vat'] ?? 0);
// Assuming price is inclusive of VAT:
$itemVat = $lineTotal * ($vatPercent / 100);
$totalVat += $itemVat;
$normalized[] = [
'sku' => $sku,
'name_ar' => $finalName,
'name_en' => $finalName,
'qty' => $qty,
'price' => $price,
'line_total' => $lineTotal,
'vat_percent' => $vatPercent,
'vat_amount' => $itemVat
];
$subtotal += $lineTotal;
$itemCount += $qty;
}
if ($normalized === []) {
$error = tr('الفاتورة غير صالحة بعد التحقق من الأصناف.', 'The invoice is invalid after product validation.');
} else {
$totalAmount = $subtotal + $totalVat;
if ($paymentAmountInput !== '' && !is_numeric($paymentAmountInput)) {
$error = tr('أدخل مبلغاً مدفوعاً صحيحاً.', 'Enter a valid paid amount.');
} else {
$paymentMeta = sale_payment_breakdown($totalAmount, $paymentMethod, $paymentAmountInput);
if ($paymentMeta['due_amount'] > 0.0005 && !$customerId) {
$error = tr('يجب اختيار عميل مسجل عند وجود مبلغ متبقٍ أو دفعة جزئية.', 'Select a registered customer when there is a remaining balance or partial payment.');
}
}
}
if ($error === '') {
$cashierName = current_lang() === 'ar' ? $user['name_ar'] : $user['name_en'];
$saleId = create_sale([
'sale_mode' => $saleMode,
'branch_code' => $branchCode,
'cashier_username' => $user['username'],
'cashier_name' => $cashierName,
'role_name' => $user['role'],
'customer_id' => $customerId,
'customer_name' => $customerName !== '' ? $customerName : null,
'payment_method' => $paymentMethod,
'payment_status' => $paymentMeta['payment_status'],
'paid_amount' => $paymentMeta['paid_amount'],
'due_amount' => $paymentMeta['due_amount'],
'items' => $normalized,
'item_count' => $itemCount,
'subtotal' => $subtotal,
'vat_amount' => $totalVat,
'total_amount' => $totalAmount,
'status' => $saleStatus,
'order_type' => $orderType,
'delivery_status' => $isEidOrder ? $deliveryStatus : null,
'delivery_date' => $isEidOrder ? $deliveryDate : null,
'notes' => $notes !== '' ? $notes : null,
]);
wablas_notify_sale_invoice($saleId);
set_flash('success', $isEidOrder
? tr('تم حفظ طلب العيد بنجاح.', 'Eid order saved successfully.')
: ($saleMode === 'normal'
? tr('تم حفظ الفاتورة بنجاح.', 'Invoice saved successfully.')
: tr('تم حفظ عملية POS بنجاح.', 'POS sale saved successfully.')));
if ($submitAction === 'save') {
if ($isEidOrder) {
redirect_to('eid_sale.php');
}
if ($saleMode === 'normal') {
redirect_to('normal_sale.php');
}
redirect_to('pos.php');
}
$redirectParams = ['id' => $saleId, 'print' => 1];
if ($isEidOrder) {
redirect_to('print_receipt.php', $redirectParams);
}
redirect_to('sale.php', $redirectParams);
}
}
}
require __DIR__ . '/header.php';
?>