[Zugewiesen] Verwirrung durch mehrere Bankkonten in unterschiedlichen Währungen

<?php if ( $order->get_payment_method() === 'bacs' ) :

    $currency = $order->get_currency();
    $bacs_gateway = WC()->payment_gateways->payment_gateways()['bacs'] ?? null;

    if ( $bacs_gateway && method_exists( $bacs_gateway, 'get_accounts' ) ) {
        $bacs_accounts = $bacs_gateway->get_accounts();

        foreach ( $bacs_accounts as $account ) {

            // Filter by currency — adjust field if needed
            if (
                ( isset( $account['iban'] ) && strpos( $account['iban'], $currency ) !== false ) ||
                ( isset( $account['account_name'] ) && strpos( $account['account_name'], $currency ) !== false )
            ) {
                ?>
                <h2><?php echo esc_html__( 'Bank Details', 'woocommerce' ); ?></h2>
                <p>
                    <strong><?php echo esc_html__( 'Currency', 'woocommerce' ); ?>:</strong> <?php echo esc_html( $currency ); ?><br>
                    <strong><?php echo esc_html__( 'Account Holder', 'woocommerce' ); ?>:</strong> <?php echo esc_html( $account['account_name'] ); ?><br>
                    <strong><?php echo esc_html__( 'IBAN', 'woocommerce' ); ?>:</strong> <?php echo esc_html( $account['iban'] ); ?><br>
                    <strong><?php echo esc_html__( 'BIC', 'woocommerce' ); ?>:</strong> <?php echo esc_html( $account['bic'] ); ?><br>
                </p>
                <?php
            }
        }
    }

endif;
?>

// Hook into WooCommerce email content and filter bank details based on currency
add_filter('woocommerce_email_order_meta_fields', 'display_bank_details_based_on_currency_wpml', 10, 3);

function display_bank_details_based_on_currency_wpml($fields, $order, $email) {
    // Only apply for BACS (Bank Transfer) method
    if ($order->get_payment_method() === 'bacs') {
        // Get the current active currency using WPML's woocommerce_wpml class
        global $woocommerce_wpml;  // Access WPML instance

        if (!$woocommerce_wpml) {
            return $fields;  // Return if WPML is not active
        }

        // Get the current active currency using WPML's method
        $current_currency = $woocommerce_wpml->get_currency();

        if (empty($current_currency)) {
            return $fields;  // If no currency is set, do not modify the email
        }

        // Get the BACS payment gateway
        $bacs_gateway = WC()->payment_gateways->payment_gateways()['bacs'] ?? null;

        if ($bacs_gateway && method_exists($bacs_gateway, 'get_accounts')) {
            $bacs_accounts = $bacs_gateway->get_accounts();  // Fetch bank account details

            // Loop through the accounts and find the relevant one based on the currency
            foreach ($bacs_accounts as $account) {
                // Check if the currency matches the bank account based on a custom field, e.g., $account['currency']
                if (isset($account['currency']) && $account['currency'] === $current_currency) {
                    // Add the bank account details to the email
                    $fields['bank_details'] = array(
                        'label' => __('Bank Details', 'woocommerce'),
                        'value' => '
                            <h3>' . esc_html__('Currency', 'woocommerce') . ': ' . esc_html($current_currency) . '</h3>
                            <strong>' . esc_html__('Account Holder', 'woocommerce') . ':</strong> ' . esc_html($account['account_name']) . '<br>
                            <strong>' . esc_html__('IBAN', 'woocommerce') . ':</strong> ' . esc_html($account['iban']) . '<br>
                            <strong>' . esc_html__('BIC', 'woocommerce') . ':</strong> ' . esc_html($account['bic']) . '<br>
                        ',
                    );
                    break;  // Exit after the first matching account is found
                }
            }
        }
    }

    return $fields;
}

add_filter('woocommerce_email_order_meta_fields', 'display_bank_details_based_on_currency_wpml', 10, 3);

function display_bank_details_based_on_currency_wpml($fields, $order, $email) {
    // Nur für BACS (Banküberweisung) anwenden
    if ($order->get_payment_method() === 'bacs') {
        // WPML Instanz abrufen
        global $woocommerce_wpml;  // Zugriff auf WPML-Instanz

        if (!$woocommerce_wpml) {
            return $fields;  // Rückgabe, falls WPML nicht aktiv
        }

        // Aktuelle Währung über WPML abrufen
        $current_currency = $woocommerce_wpml->get_currency();

        if (empty($current_currency)) {
            return $fields;  // Rückgabe, falls keine Währung gesetzt
        }

        // BACS Zahlungs-Gateway abrufen
        $bacs_gateway = WC()->payment_gateways->payment_gateways()['bacs'] ?? null;

        if ($bacs_gateway && method_exists($bacs_gateway, 'get_accounts')) {
            $bacs_accounts = $bacs_gateway->get_accounts();  // Bankkonto-Daten abrufen

            // Sicherstellen, dass es Bankkonten gibt
            if (!empty($bacs_accounts)) {
                // Konto finden, das zur aktuellen Währung passt
                foreach ($bacs_accounts as $account) {
                    // Überprüfen, ob die Währung mit dem Bankkonto übereinstimmt
                    if (isset($account['currency']) && $account['currency'] === $current_currency) {
                        // Bankdaten zur E-Mail hinzufügen
                        $fields['bank_details'] = array(
                            'label' => __('Bank Details', 'woocommerce'),
                            'value' => '
                                <h3>' . esc_html__('Currency', 'woocommerce') . ': ' . esc_html($current_currency) . '</h3>
                                <strong>' . esc_html__('Account Holder', 'woocommerce') . ':</strong> ' . esc_html($account['account_name']) . '<br>
                                <strong>' . esc_html__('IBAN', 'woocommerce') . ':</strong> ' . esc_html($account['iban']) . '<br>
                                <strong>' . esc_html__('BIC', 'woocommerce') . ':</strong> ' . esc_html($account['bic']) . '<br>
                            ',
                        );
                        break;  // Beenden, nachdem das passende Konto gefunden wurde
                    }
                }
            } else {
                // Optional: Fehlernachricht hinzufügen, wenn keine Bankkonten verfügbar sind
                $fields['bank_details'] = array(
                    'label' => __('Bank Details', 'woocommerce'),
                    'value' => __('No bank account found for the selected currency.', 'woocommerce')
                );
            }
        }
    }

    return $fields;
}