/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 * libqmi-glib -- GLib/GIO based library to control QMI devices
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 * Copyright (C) 2012 Aleksander Morgado <aleksander@lanedo.com>
 */

#include "qmi-message-dms.h"
#include "qmi-enums.h"
#include "qmi-error-types.h"

/*****************************************************************************/
/* Get IDs */

enum {
  QMI_DMS_TLV_GET_IDS_ESN = 0x10,
  QMI_DMS_TLV_GET_IDS_IMEI,
  QMI_DMS_TLV_GET_IDS_MEID
};

/**
 * QmiDmsGetIdsResult:
 *
 * An opaque type handling the IDS of the device.
 */
struct _QmiDmsGetIdsResult {
    volatile gint ref_count;
    gchar *esn;
    gchar *imei;
    gchar *meid;
};

/**
 * qmi_dms_get_ids_result_get_esn:
 * @info: a #QmiDmsGetIdsResult.
 *
 * Get the ESN.
 *
 * Returns: the ESN.
 */
const gchar *
qmi_dms_get_ids_result_get_esn (QmiDmsGetIdsResult *result)
{
    g_return_val_if_fail (result != NULL, NULL);

    return result->esn;
}

/**
 * qmi_dms_get_ids_result_get_imei:
 * @info: a #QmiDmsGetIdsResult.
 *
 * Get the IMEI.
 *
 * Returns: the IMEI.
 */
const gchar *
qmi_dms_get_ids_result_get_imei (QmiDmsGetIdsResult *result)
{
    g_return_val_if_fail (result != NULL, NULL);

    return result->imei;
}

/**
 * qmi_dms_get_ids_result_get_meid:
 * @info: a #QmiDmsGetIdsResult.
 *
 * Get the MEID.
 *
 * Returns: the MEID.
 */
const gchar *
qmi_dms_get_ids_result_get_meid (QmiDmsGetIdsResult *result)
{
    g_return_val_if_fail (result != NULL, NULL);

    return result->meid;
}

/**
 * qmi_dms_get_ids_result_ref:
 * @result: a #QmiDmsGetIdsResult.
 *
 * Atomically increments the reference count of @result by one.
 *
 * Returns: the new reference to @result.
 */
QmiDmsGetIdsResult *
qmi_dms_get_ids_result_ref (QmiDmsGetIdsResult *result)
{
    g_return_val_if_fail (result != NULL, NULL);

    g_atomic_int_inc (&result->ref_count);
    return result;
}

/**
 * qmi_dms_get_ids_result_unref:
 * @result: a #QmiDmsGetIdsResult.
 *
 * Atomically decrements the reference count of array by one.
 * If the reference count drops to 0, @result is completely disposed.
 */
void
qmi_dms_get_ids_result_unref (QmiDmsGetIdsResult *result)
{
    g_return_if_fail (result != NULL);

    if (g_atomic_int_dec_and_test (&result->ref_count)) {
        g_free (result->esn);
        g_free (result->imei);
        g_free (result->meid);
        g_slice_free (QmiDmsGetIdsResult, result);
    }
}

QmiMessage *
qmi_message_dms_get_ids_new (guint8 transaction_id,
                             guint8 client_id)
{
    return qmi_message_new (QMI_SERVICE_DMS,
                            client_id,
                            transaction_id,
                            QMI_DMS_MESSAGE_GET_IDS);
}

QmiDmsGetIdsResult *
qmi_message_dms_get_ids_reply_parse (QmiMessage *self,
                                     GError **error)
{
    QmiDmsGetIdsResult *result;
    gchar *got_esn;
    gchar *got_imei;
    gchar *got_meid;

    g_assert (qmi_message_get_message_id (self) == QMI_DMS_MESSAGE_GET_IDS);

    got_esn = qmi_message_tlv_get_string (self,
                                          QMI_DMS_TLV_GET_IDS_ESN,
                                          NULL);
    got_imei = qmi_message_tlv_get_string (self,
                                           QMI_DMS_TLV_GET_IDS_IMEI,
                                           NULL);
    got_meid = qmi_message_tlv_get_string (self,
                                           QMI_DMS_TLV_GET_IDS_MEID,
                                           NULL);

    /* Only return error if none of the outputs was read */
    if (!got_esn && !got_imei && !got_meid) {
        g_set_error (error,
                     QMI_CORE_ERROR,
                     QMI_CORE_ERROR_TLV_NOT_FOUND,
                     "None of the expected outputs (ESN, IMEI, MEID) "
                     "was found in the message");
        return NULL;
    }

    result = g_slice_new (QmiDmsGetIdsResult);
    result->esn = got_esn;
    result->imei = got_imei;
    result->meid = got_meid;

    return result;
}