/* -*- 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 <string.h>

#include <libmm-common.h>

#include "mm-common-simple-properties.h"

G_DEFINE_TYPE (MMCommonSimpleProperties, mm_common_simple_properties, G_TYPE_OBJECT);

enum {
    PROP_0,
    PROP_STATE,
    PROP_SIGNAL_QUALITY,
    PROP_BANDS,
    PROP_ACCESS_TECHNOLOGIES,
    PROP_3GPP_REGISTRATION_STATE,
    PROP_3GPP_OPERATOR_CODE,
    PROP_3GPP_OPERATOR_NAME,
    PROP_LAST
};

static GParamSpec *properties[PROP_LAST];

struct _MMCommonSimplePropertiesPrivate {
    /* <--- From the Modem interface ---> */
    /* Overall modem state, signature 'u' */
    MMModemState state;
    /* Signal quality, given only when registered, signature '(ub)' */
    GVariant *signal_quality;
    /* List of bands, given only when registered, signature: au */
    GVariant *bands;
    GArray *bands_array;
    /* Access technologies, given only when registered, signature: u */
    MMModemAccessTechnology access_technologies;

    /* <--- From the Modem 3GPP interface ---> */
    /* 3GPP registration state, signature 'u' */
    MMModem3gppRegistrationState registration_state;
    /* 3GPP operator code, given only when registered, signature 's' */
    gchar *operator_code;
    /* 3GPP operator name, given only when registered, signature 's' */
    gchar *operator_name;
};

/*****************************************************************************/

MMModemState
mm_common_simple_properties_get_state (MMCommonSimpleProperties *self)
{
    return self->priv->state;
}

guint32
mm_common_simple_properties_get_signal_quality (MMCommonSimpleProperties *self,
                                                gboolean *recent)
{
    guint32 signal_quality = 0;
    gboolean signal_quality_recent = FALSE;

    if (self->priv->signal_quality) {
        g_variant_get (self->priv->signal_quality,
                       "(ub)",
                       &signal_quality,
                       &signal_quality_recent);
    }

    if (recent)
        *recent = signal_quality_recent;
    return signal_quality;
}

void
mm_common_simple_properties_get_bands (MMCommonSimpleProperties *self,
                                       const MMModemBand **bands,
                                       guint *n_bands)
{
    if (!self->priv->bands_array)
        self->priv->bands_array = mm_common_bands_variant_to_garray (self->priv->bands);

    *n_bands = self->priv->bands_array->len;
    *bands = (const MMModemBand *)self->priv->bands_array->data;
}

MMModemAccessTechnology
mm_common_simple_properties_get_access_technologies (MMCommonSimpleProperties *self)
{
    return self->priv->access_technologies;
}

MMModem3gppRegistrationState
mm_common_simple_properties_get_registration_state (MMCommonSimpleProperties *self)
{
    return self->priv->registration_state;
}

const gchar *
mm_common_simple_properties_get_operator_code (MMCommonSimpleProperties *self)
{
    return self->priv->operator_code;
}

const gchar *
mm_common_simple_properties_get_operator_name (MMCommonSimpleProperties *self)
{
    return self->priv->operator_name;
}

/*****************************************************************************/

GVariant *
mm_common_simple_properties_get_dictionary (MMCommonSimpleProperties *self)
{
    GVariantBuilder builder;

    g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));

    g_variant_builder_add (&builder,
                           "{sv}",
                           MM_COMMON_SIMPLE_PROPERTY_STATE,
                           g_variant_new_uint32 (self->priv->state));

    /* Next ones, only when registered */
    if (self->priv->state >= MM_MODEM_STATE_REGISTERED) {
        g_variant_builder_add (&builder,
                               "{sv}",
                               MM_COMMON_SIMPLE_PROPERTY_SIGNAL_QUALITY,
                               self->priv->signal_quality);
        g_variant_builder_add (&builder,
                               "{sv}",
                               MM_COMMON_SIMPLE_PROPERTY_BANDS,
                               self->priv->bands);
        g_variant_builder_add (&builder,
                               "{sv}",
                               MM_COMMON_SIMPLE_PROPERTY_ACCESS_TECHNOLOGIES,
                               g_variant_new_uint32 (self->priv->access_technologies));
        g_variant_builder_add (&builder,
                               "{sv}",
                               MM_COMMON_SIMPLE_PROPERTY_3GPP_REGISTRATION_STATE,
                               g_variant_new_uint32 (self->priv->registration_state));
        if (self->priv->operator_code)
            g_variant_builder_add (&builder,
                                   "{sv}",
                                   MM_COMMON_SIMPLE_PROPERTY_3GPP_OPERATOR_CODE,
                                   g_variant_new_string (self->priv->operator_code));
        if (self->priv->operator_name)
            g_variant_builder_add (&builder,
                                   "{sv}",
                                   MM_COMMON_SIMPLE_PROPERTY_3GPP_OPERATOR_NAME,
                                   g_variant_new_string (self->priv->operator_name));
    }

    return g_variant_ref_sink (g_variant_builder_end (&builder));
}

/*****************************************************************************/

MMCommonSimpleProperties *
mm_common_simple_properties_new (void)
{
    return (MM_COMMON_SIMPLE_PROPERTIES (
                g_object_new (MM_TYPE_COMMON_SIMPLE_PROPERTIES, NULL)));
}

static void
set_property (GObject *object,
              guint prop_id,
              const GValue *value,
              GParamSpec *pspec)
{
    MMCommonSimpleProperties *self = MM_COMMON_SIMPLE_PROPERTIES (object);

    switch (prop_id) {
    case PROP_STATE:
        self->priv->state = g_value_get_enum (value);
        break;
    case PROP_SIGNAL_QUALITY:
        if (self->priv->signal_quality)
            g_variant_unref (self->priv->signal_quality);
        self->priv->signal_quality = g_value_dup_variant (value);
        break;
    case PROP_BANDS:
        if (self->priv->bands)
            g_variant_unref (self->priv->bands);
        if (self->priv->bands_array) {
            g_array_unref (self->priv->bands_array);
            self->priv->bands_array = NULL;
        }
        self->priv->bands = g_value_dup_variant (value);
        break;
    case PROP_ACCESS_TECHNOLOGIES:
        self->priv->access_technologies = g_value_get_flags (value);
        break;
    case PROP_3GPP_REGISTRATION_STATE:
        self->priv->registration_state = g_value_get_enum (value);
        break;
    case PROP_3GPP_OPERATOR_CODE:
        g_free (self->priv->operator_code);
        self->priv->operator_code = g_value_dup_string (value);
        break;
    case PROP_3GPP_OPERATOR_NAME:
        g_free (self->priv->operator_name);
        self->priv->operator_name = g_value_dup_string (value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
get_property (GObject *object,
              guint prop_id,
              GValue *value,
              GParamSpec *pspec)
{
    MMCommonSimpleProperties *self = MM_COMMON_SIMPLE_PROPERTIES (object);

    switch (prop_id) {
    case PROP_STATE:
        g_value_set_enum (value, self->priv->state);
        break;
    case PROP_SIGNAL_QUALITY:
        g_value_set_variant (value, self->priv->signal_quality);
        break;
    case PROP_BANDS:
        g_value_set_variant (value, self->priv->bands);
        break;
    case PROP_ACCESS_TECHNOLOGIES:
        g_value_set_flags (value, self->priv->access_technologies);
        break;
    case PROP_3GPP_REGISTRATION_STATE:
        g_value_set_enum (value, self->priv->registration_state);
        break;
    case PROP_3GPP_OPERATOR_CODE:
        g_value_set_string (value, self->priv->operator_code);
        break;
    case PROP_3GPP_OPERATOR_NAME:
        g_value_set_string (value, self->priv->operator_name);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
        break;
    }
}

static void
mm_common_simple_properties_init (MMCommonSimpleProperties *self)
{
    self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self),
                                              MM_TYPE_COMMON_SIMPLE_PROPERTIES,
                                              MMCommonSimplePropertiesPrivate);

    /* Some defaults */
    self->priv->state = MM_MODEM_STATE_UNKNOWN;
    self->priv->access_technologies = MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN;
    self->priv->registration_state = MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN;
    self->priv->bands = g_variant_ref_sink (mm_common_build_bands_unknown ());
    self->priv->signal_quality = g_variant_ref_sink (g_variant_new ("(ub)", 0, 0));
}

static void
finalize (GObject *object)
{
    MMCommonSimpleProperties *self = MM_COMMON_SIMPLE_PROPERTIES (object);

    g_variant_unref (self->priv->bands);
    if (self->priv->bands_array)
        g_array_unref (self->priv->bands_array);
    g_free (self->priv->operator_code);
    g_free (self->priv->operator_name);

    G_OBJECT_CLASS (mm_common_simple_properties_parent_class)->finalize (object);
}

static void
mm_common_simple_properties_class_init (MMCommonSimplePropertiesClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    g_type_class_add_private (object_class, sizeof (MMCommonSimplePropertiesPrivate));

    /* Virtual methods */
    object_class->set_property = set_property;
    object_class->get_property = get_property;
    object_class->finalize = finalize;

    properties[PROP_STATE] =
        g_param_spec_enum (MM_COMMON_SIMPLE_PROPERTY_STATE,
                           "State",
                           "State of the modem",
                           MM_TYPE_MODEM_STATE,
                           MM_MODEM_STATE_UNKNOWN,
                           G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_STATE, properties[PROP_STATE]);

    properties[PROP_SIGNAL_QUALITY] =
        g_param_spec_variant (MM_COMMON_SIMPLE_PROPERTY_SIGNAL_QUALITY,
                              "Signal quality",
                              "Signal quality reported by the modem",
                              G_VARIANT_TYPE ("(ub)"),
                              NULL,
                              G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_SIGNAL_QUALITY, properties[PROP_SIGNAL_QUALITY]);

    properties[PROP_BANDS] =
        g_param_spec_variant (MM_COMMON_SIMPLE_PROPERTY_BANDS,
                              "Bands",
                              "Frequency bands used by the modem",
                              G_VARIANT_TYPE ("au"),
                              NULL,
                              G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_BANDS, properties[PROP_BANDS]);

    properties[PROP_ACCESS_TECHNOLOGIES] =
        g_param_spec_flags (MM_COMMON_SIMPLE_PROPERTY_ACCESS_TECHNOLOGIES,
                            "Access Technologies",
                            "Access technologies used by the modem",
                            MM_TYPE_MODEM_ACCESS_TECHNOLOGY,
                            MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN,
                            G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_ACCESS_TECHNOLOGIES, properties[PROP_ACCESS_TECHNOLOGIES]);

    properties[PROP_3GPP_REGISTRATION_STATE] =
        g_param_spec_enum (MM_COMMON_SIMPLE_PROPERTY_3GPP_REGISTRATION_STATE,
                           "3GPP registration state",
                           "Registration state in the 3GPP network",
                           MM_TYPE_MODEM_3GPP_REGISTRATION_STATE,
                           MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN,
                           G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_3GPP_REGISTRATION_STATE, properties[PROP_3GPP_REGISTRATION_STATE]);

    properties[PROP_3GPP_OPERATOR_CODE] =
        g_param_spec_string (MM_COMMON_SIMPLE_PROPERTY_3GPP_OPERATOR_CODE,
                             "3GPP operator code",
                             "Code of the current operator in the 3GPP network",
                             NULL,
                             G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_3GPP_OPERATOR_CODE, properties[PROP_3GPP_OPERATOR_CODE]);

    properties[PROP_3GPP_OPERATOR_NAME] =
        g_param_spec_string (MM_COMMON_SIMPLE_PROPERTY_3GPP_OPERATOR_NAME,
                             "3GPP operator name",
                             "Name of the current operator in the 3GPP network",
                             NULL,
                             G_PARAM_READWRITE);
    g_object_class_install_property (object_class, PROP_3GPP_OPERATOR_NAME, properties[PROP_3GPP_OPERATOR_NAME]);
}