/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2018 Red Hat, Inc.
 */

#include "nm-default.h"

#include "nm-wifi-common.h"

#include "devices/nm-device.h"
#include "nm-wifi-ap.h"
#include "nm-device-wifi.h"
#include "nm-dbus-manager.h"

#if WITH_IWD
    #include "nm-device-iwd.h"
#endif

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

void
nm_device_wifi_emit_signal_access_point(NMDevice *device,
                                        NMWifiAP *ap,
                                        gboolean  is_added /* or else is_removed */)
{
    nm_dbus_object_emit_signal(NM_DBUS_OBJECT(device),
                               &nm_interface_info_device_wireless,
                               is_added ? &nm_signal_info_wireless_access_point_added
                                        : &nm_signal_info_wireless_access_point_removed,
                               "(o)",
                               nm_dbus_object_get_path(NM_DBUS_OBJECT(ap)));
}

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

static const CList *
_dispatch_get_aps(NMDevice *device)
{
#if WITH_IWD
    if (NM_IS_DEVICE_IWD(device))
        return _nm_device_iwd_get_aps(NM_DEVICE_IWD(device));
#endif
    return _nm_device_wifi_get_aps(NM_DEVICE_WIFI(device));
}

static void
_dispatch_request_scan(NMDevice *device, GVariant *options, GDBusMethodInvocation *invocation)
{
#if WITH_IWD
    if (NM_IS_DEVICE_IWD(device)) {
        _nm_device_iwd_request_scan(NM_DEVICE_IWD(device), options, invocation);
        return;
    }
#endif
    _nm_device_wifi_request_scan(NM_DEVICE_WIFI(device), options, invocation);
}

static void
impl_device_wifi_get_access_points(NMDBusObject *                     obj,
                                   const NMDBusInterfaceInfoExtended *interface_info,
                                   const NMDBusMethodInfoExtended *   method_info,
                                   GDBusConnection *                  connection,
                                   const char *                       sender,
                                   GDBusMethodInvocation *            invocation,
                                   GVariant *                         parameters)
{
    gs_free const char **list = NULL;
    GVariant *           v;
    const CList *        all_aps;

    /* NOTE: this handler is called both for NMDevicwWifi and NMDeviceIwd. */

    all_aps = _dispatch_get_aps(NM_DEVICE(obj));
    list    = nm_wifi_aps_get_paths(all_aps, FALSE);
    v       = g_variant_new_objv(list, -1);
    g_dbus_method_invocation_return_value(invocation, g_variant_new_tuple(&v, 1));
}

static void
impl_device_wifi_get_all_access_points(NMDBusObject *                     obj,
                                       const NMDBusInterfaceInfoExtended *interface_info,
                                       const NMDBusMethodInfoExtended *   method_info,
                                       GDBusConnection *                  connection,
                                       const char *                       sender,
                                       GDBusMethodInvocation *            invocation,
                                       GVariant *                         parameters)
{
    gs_free const char **list = NULL;
    GVariant *           v;
    const CList *        all_aps;

    /* NOTE: this handler is called both for NMDevicwWifi and NMDeviceIwd. */

    all_aps = _dispatch_get_aps(NM_DEVICE(obj));
    list    = nm_wifi_aps_get_paths(all_aps, TRUE);
    v       = g_variant_new_objv(list, -1);
    g_dbus_method_invocation_return_value(invocation, g_variant_new_tuple(&v, 1));
}

static void
impl_device_wifi_request_scan(NMDBusObject *                     obj,
                              const NMDBusInterfaceInfoExtended *interface_info,
                              const NMDBusMethodInfoExtended *   method_info,
                              GDBusConnection *                  connection,
                              const char *                       sender,
                              GDBusMethodInvocation *            invocation,
                              GVariant *                         parameters)
{
    gs_unref_variant GVariant *options = NULL;

    /* NOTE: this handler is called both for NMDevicwWifi and NMDeviceIwd. */

    g_variant_get(parameters, "(@a{sv})", &options);

    _dispatch_request_scan(NM_DEVICE(obj), options, invocation);
}

const GDBusSignalInfo nm_signal_info_wireless_access_point_added = NM_DEFINE_GDBUS_SIGNAL_INFO_INIT(
    "AccessPointAdded",
    .args = NM_DEFINE_GDBUS_ARG_INFOS(NM_DEFINE_GDBUS_ARG_INFO("access_point", "o"), ), );

const GDBusSignalInfo nm_signal_info_wireless_access_point_removed =
    NM_DEFINE_GDBUS_SIGNAL_INFO_INIT(
        "AccessPointRemoved",
        .args = NM_DEFINE_GDBUS_ARG_INFOS(NM_DEFINE_GDBUS_ARG_INFO("access_point", "o"), ), );

const NMDBusInterfaceInfoExtended nm_interface_info_device_wireless = {
    .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
        NM_DBUS_INTERFACE_DEVICE_WIRELESS,
        .methods = NM_DEFINE_GDBUS_METHOD_INFOS(
            NM_DEFINE_DBUS_METHOD_INFO_EXTENDED(
                NM_DEFINE_GDBUS_METHOD_INFO_INIT(
                    "GetAccessPoints",
                    .out_args = NM_DEFINE_GDBUS_ARG_INFOS(
                        NM_DEFINE_GDBUS_ARG_INFO("access_points", "ao"), ), ),
                .handle = impl_device_wifi_get_access_points, ),
            NM_DEFINE_DBUS_METHOD_INFO_EXTENDED(
                NM_DEFINE_GDBUS_METHOD_INFO_INIT(
                    "GetAllAccessPoints",
                    .out_args = NM_DEFINE_GDBUS_ARG_INFOS(
                        NM_DEFINE_GDBUS_ARG_INFO("access_points", "ao"), ), ),
                .handle = impl_device_wifi_get_all_access_points, ),
            NM_DEFINE_DBUS_METHOD_INFO_EXTENDED(
                NM_DEFINE_GDBUS_METHOD_INFO_INIT(
                    "RequestScan",
                    .in_args = NM_DEFINE_GDBUS_ARG_INFOS(
                        NM_DEFINE_GDBUS_ARG_INFO("options", "a{sv}"), ), ),
                .handle = impl_device_wifi_request_scan, ), ),
        .signals    = NM_DEFINE_GDBUS_SIGNAL_INFOS(&nm_signal_info_property_changed_legacy,
                                                &nm_signal_info_wireless_access_point_added,
                                                &nm_signal_info_wireless_access_point_removed, ),
        .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("HwAddress",
                                                             "s",
                                                             NM_DEVICE_HW_ADDRESS),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("PermHwAddress",
                                                             "s",
                                                             NM_DEVICE_PERM_HW_ADDRESS),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Mode", "u", NM_DEVICE_WIFI_MODE),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Bitrate",
                                                             "u",
                                                             NM_DEVICE_WIFI_BITRATE),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("AccessPoints",
                                                             "ao",
                                                             NM_DEVICE_WIFI_ACCESS_POINTS),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("ActiveAccessPoint",
                                                             "o",
                                                             NM_DEVICE_WIFI_ACTIVE_ACCESS_POINT),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("WirelessCapabilities",
                                                             "u",
                                                             NM_DEVICE_WIFI_CAPABILITIES),
            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("LastScan",
                                                           "x",
                                                           NM_DEVICE_WIFI_LAST_SCAN), ), ),
    .legacy_property_changed = TRUE,
};