Customer

private function sync_customer_simple($invoice)
    {
        // Jika customer sudah ada Jurnal ID, pakai yang ada
        if (!empty($invoice->pelanggan_jurnal_id)) {
            return [
                'success'   => true,
                'jurnal_id' => $invoice->pelanggan_jurnal_id
            ];
        }

        // Cek apakah customer sudah ada di Mekari
        $customer_name = trim($invoice->pelanggan_nama);
        try {
            $response = $this->mekari_jurnal->request(
                'GET',
                '/public/jurnal/api/v1/contacts',
                ['type' => 'customer', 'name' => urlencode($customer_name)]
            );

            $contacts = $response['response']['contact_list']['contact_data'] ?? [];

            if (!empty($contacts)) {
                // Customer sudah ada, update database
                $jurnal_id      = $contacts[0]['id'];
                $jurnal_name    = $contacts[0]['display_name'];

                $this->db->where('pelanggan_id', $invoice->pelanggan_id)->update('sid_pelanggan', [
                    'pelanggan_jurnal_id' => $jurnal_id,
                    'pelanggan_jurnal_nama' => $jurnal_name
                ]);

                return ['success' => true, 'jurnal_id' => $jurnal_id];
            }

            // Buat customer baru
            $payload = [
                'person' => [
                    'display_name'  => $customer_name,
                    'is_customer'   => true,
                    'people_type'   => 'customer',
                    'email'         => !empty($invoice->pelanggan_email) ? $invoice->pelanggan_email : '[email protected]',
                    'phone'         => $invoice->pelanggan_telp ?? '',
                    'address'       => $invoice->pelanggan_alamat ?? ''
                ]
            ];

            $create = $this->mekari_jurnal->request(
                'POST',
                '/public/jurnal/api/v1/contacts',
                $payload
            );

            if (isset($create['response']['person']['id'])) {
                $jurnal_id      = $create['response']['person']['id'];
                $jurnal_name    = $create['response']['person']['display_name'];

                $this->db->where('pelanggan_id', $invoice->pelanggan_id)->update('sid_pelanggan', [
                    'pelanggan_jurnal_id'   => $jurnal_id,
                    'pelanggan_jurnal_nama' => $jurnal_name
                ]);

                return ['success' => true, 'jurnal_id' => $jurnal_id];
            } else {
                return ['success' => false, 'message' => 'Gagal membuat customer di Mekari'];
            }
        } catch (Exception $e) {
            return ['success' => false, 'message' => 'Customer sync error: ' . $e->getMessage()];
        }
    }