/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2013 Red Hat, Inc.
 */

/**
 * SECTION:nmt-slave-list:
 * @short_description: An editable list of a connection's slaves
 *
 * #NmtSlaveList implements an #NmtEditConnectionList for the
 * slaves of a connection.
 */

#include "libnm/nm-default-client.h"

#include "nmt-slave-list.h"

G_DEFINE_TYPE(NmtSlaveList, nmt_slave_list, NMT_TYPE_EDIT_CONNECTION_LIST)

#define NMT_SLAVE_LIST_GET_PRIVATE(o) \
    (G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_SLAVE_LIST, NmtSlaveListPrivate))

typedef struct {
    NMConnection *master;
    const char *  master_type, *master_uuid;

    NmtAddConnectionTypeFilter type_filter;
    gpointer                   type_filter_data;
} NmtSlaveListPrivate;

enum {
    PROP_0,
    PROP_MASTER,
    PROP_TYPE_FILTER,
    PROP_TYPE_FILTER_DATA,

    LAST_PROP
};

static gboolean nmt_slave_list_connection_filter(NmtEditConnectionList *list,
                                                 NMConnection *         connection,
                                                 gpointer               user_data);

/**
 * nmt_slave_list_new:
 * @master: the master #NMConnection whose slaves are being listed
 * @type_filter: (allow-none): a function to limit the available slave types
 * @type_filter_data: (allow-none): data for @type_filter.
 *
 * Creates a new #NmtSlaveList.
 *
 * If @type_filter is non-%NULL, it will be used to limit the connection
 * types that are available when the user clicks on the "Add" button to add
 * a new slave. If the @type_filter filters the list down to only a single
 * connection type, then the user will not be presented with a connection-type
 * dialog, and will instead be immediately taken to an editor window for the
 * new slave after clicking "Add".
 *
 * Returns: a new #NmtSlaveList.
 */
NmtNewtWidget *
nmt_slave_list_new(NMConnection *             master,
                   NmtAddConnectionTypeFilter type_filter,
                   gpointer                   type_filter_data)
{
    return g_object_new(NMT_TYPE_SLAVE_LIST,
                        "master",
                        master,
                        "type-filter",
                        type_filter,
                        "type-filter-data",
                        type_filter_data,
                        "grouped",
                        FALSE,
                        "connection-filter",
                        nmt_slave_list_connection_filter,
                        NULL);
}

static void
nmt_slave_list_init(NmtSlaveList *list)
{}

static void
nmt_slave_list_finalize(GObject *object)
{
    NmtSlaveListPrivate *priv = NMT_SLAVE_LIST_GET_PRIVATE(object);

    g_object_unref(priv->master);

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

static gboolean
nmt_slave_list_connection_filter(NmtEditConnectionList *list,
                                 NMConnection *         connection,
                                 gpointer               user_data)
{
    NmtSlaveListPrivate *priv = NMT_SLAVE_LIST_GET_PRIVATE(list);
    NMSettingConnection *s_con;
    const char *         master, *master_ifname, *slave_type;

    s_con = nm_connection_get_setting_connection(connection);
    g_return_val_if_fail(s_con != NULL, FALSE);

    slave_type = nm_setting_connection_get_slave_type(s_con);
    if (g_strcmp0(slave_type, priv->master_type) != 0)
        return FALSE;

    master = nm_setting_connection_get_master(s_con);
    if (!master)
        return FALSE;

    master_ifname = nm_connection_get_interface_name(priv->master);
    if (g_strcmp0(master, master_ifname) != 0 && g_strcmp0(master, priv->master_uuid) != 0)
        return FALSE;

    return TRUE;
}

static void
nmt_slave_list_add_connection(NmtEditConnectionList *list)
{
    NmtSlaveListPrivate *priv = NMT_SLAVE_LIST_GET_PRIVATE(list);

    nmt_add_connection_full(_("Select the type of slave connection you wish to add."),
                            NULL,
                            priv->master,
                            priv->type_filter,
                            priv->type_filter_data);
}

static void
nmt_slave_list_edit_connection(NmtEditConnectionList *list, NMConnection *connection)
{
    nmt_edit_connection(connection);
}

static void
nmt_slave_list_remove_connection(NmtEditConnectionList *list, NMRemoteConnection *connection)
{
    nmt_remove_connection(connection);
}

static void
nmt_slave_list_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
    NmtSlaveListPrivate *priv = NMT_SLAVE_LIST_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_MASTER:
        priv->master = g_value_dup_object(value);
        if (priv->master) {
            NMSettingConnection *s_con = nm_connection_get_setting_connection(priv->master);

            priv->master_type = nm_setting_connection_get_connection_type(s_con);
            priv->master_uuid = nm_setting_connection_get_uuid(s_con);
        }
        break;
    case PROP_TYPE_FILTER:
        priv->type_filter = g_value_get_pointer(value);
        break;
    case PROP_TYPE_FILTER_DATA:
        priv->type_filter_data = g_value_get_pointer(value);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_slave_list_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NmtSlaveListPrivate *priv = NMT_SLAVE_LIST_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_MASTER:
        g_value_set_object(value, priv->master);
        break;
    case PROP_TYPE_FILTER:
        g_value_set_pointer(value, priv->type_filter);
        break;
    case PROP_TYPE_FILTER_DATA:
        g_value_set_pointer(value, priv->type_filter_data);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_slave_list_class_init(NmtSlaveListClass *list_class)
{
    GObjectClass *              object_class          = G_OBJECT_CLASS(list_class);
    NmtEditConnectionListClass *connection_list_class = NMT_EDIT_CONNECTION_LIST_CLASS(list_class);

    g_type_class_add_private(list_class, sizeof(NmtSlaveListPrivate));

    /* virtual methods */
    object_class->set_property = nmt_slave_list_set_property;
    object_class->get_property = nmt_slave_list_get_property;
    object_class->finalize     = nmt_slave_list_finalize;

    connection_list_class->add_connection    = nmt_slave_list_add_connection;
    connection_list_class->edit_connection   = nmt_slave_list_edit_connection;
    connection_list_class->remove_connection = nmt_slave_list_remove_connection;

    /**
     * NmtSlaveList:master:
     *
     * The master #NMConnection whose slaves are being displayed.
     */
    g_object_class_install_property(
        object_class,
        PROP_MASTER,
        g_param_spec_object("master",
                            "",
                            "",
                            NM_TYPE_CONNECTION,
                            G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
    /**
     * NmtSlaveList:type-filter:
     *
     * If non-%NULL, this will be used to limit the connection types
     * that are available when the user clicks on the "Add" button to
     * add a new slave. If the filter filters the list down to only a
     * single connection type, then the user will not be presented
     * with a connection-type dialog, and will instead be immediately
     * taken to an editor window for the new slave after clicking
     * "Add".
     */
    g_object_class_install_property(
        object_class,
        PROP_TYPE_FILTER,
        g_param_spec_pointer("type-filter",
                             "",
                             "",
                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
    /**
     * NmtSlaveList:type-filter-data:
     *
     * User data passed to #NmtSlaveList:type-filter
     */
    g_object_class_install_property(
        object_class,
        PROP_TYPE_FILTER_DATA,
        g_param_spec_pointer("type-filter-data",
                             "",
                             "",
                             G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
}
