/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details:
 *
 * Copyright (C) 2011 - Google, Inc.
 */

#include <gio/gio.h>

#include "mm-enums-types.h"
#include "mm-common-helpers.h"

gchar *
mm_common_get_capabilities_string (MMModemCapability caps)
{
	GFlagsClass *flags_class;
    GString *str;
    MMModemCapability it;
    gboolean first = TRUE;

    str = g_string_new ("");
    flags_class = G_FLAGS_CLASS (g_type_class_ref (MM_TYPE_MODEM_CAPABILITY));

    for (it = MM_MODEM_CAPABILITY_POTS; /* first */
         it <= MM_MODEM_CAPABILITY_LTE_ADVANCED; /* last */
         it = it << 1) {
        if (caps & it) {
            GFlagsValue *value;

            value = g_flags_get_first_value (flags_class, it);
            g_string_append_printf (str, "%s%s",
                                    first ? "" : ", ",
                                    value->value_nick);

            if (first)
                first = FALSE;
        }
    }
    g_type_class_unref (flags_class);

    return g_string_free (str, FALSE);
}

gchar *
mm_common_get_access_technologies_string (MMModemAccessTechnology access_tech)
{
	GFlagsClass *flags_class;
    GString *str;

    str = g_string_new ("");
    flags_class = G_FLAGS_CLASS (g_type_class_ref (MM_TYPE_MODEM_ACCESS_TECHNOLOGY));

    if (access_tech == MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN) {
        GFlagsValue *value;

        value = g_flags_get_first_value (flags_class, access_tech);
        g_string_append (str, value->value_nick);
    } else {
        MMModemAccessTechnology it;
        gboolean first = TRUE;

        for (it = MM_MODEM_ACCESS_TECHNOLOGY_GSM; /* first */
             it <= MM_MODEM_ACCESS_TECHNOLOGY_LTE; /* last */
             it = it << 1) {
            if (access_tech & it) {
                GFlagsValue *value;

                value = g_flags_get_first_value (flags_class, it);
                g_string_append_printf (str, "%s%s",
                                        first ? "" : ", ",
                                        value->value_nick);

                if (first)
                    first = FALSE;
            }
        }
    }
    g_type_class_unref (flags_class);

    return g_string_free (str, FALSE);
}

GArray *
mm_common_bands_variant_to_garray (GVariant *variant)
{
    GArray *array;
    GVariantIter iter;
    guint32 band = MM_MODEM_BAND_UNKNOWN;

    g_variant_iter_init (&iter, variant);
    array = g_array_sized_new (FALSE,
                               FALSE,
                               sizeof (MMModemBand),
                               g_variant_iter_n_children (&iter));
    while (g_variant_iter_loop (&iter, "u", &band))
        g_array_append_val (array, band);

    return array;
}

GVariant *
mm_common_bands_array_to_variant (const MMModemBand *bands,
                                  guint n_bands)
{
    GVariantBuilder builder;
    guint i;

    g_variant_builder_init (&builder, G_VARIANT_TYPE ("au"));
    for (i = 0; i < n_bands; i++) {
        g_variant_builder_add_value (&builder,
                                     g_variant_new_uint32 ((guint32)bands[i]));
    }

    return g_variant_builder_end (&builder);
}

GVariant *
mm_common_bands_garray_to_variant (GArray *array)
{
    return mm_common_bands_array_to_variant ((const MMModemBand *)array->data,
                                             array->len);
}