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

/**
 * SECTION:nmt-route-editor
 * @short_description: Route editing dialog
 *
 * #NmtRouteEditor implements a form for editing IPv4 or IPv6 routes.
 * This was implemented as a separate dialog because it seemed too
 * wide to fit into the main window.
 */

#include "nm-default.h"

#include "nmt-route-editor.h"
#include "nmt-route-table.h"

G_DEFINE_TYPE(NmtRouteEditor, nmt_route_editor, NMT_TYPE_NEWT_FORM)

#define NMT_ROUTE_EDITOR_GET_PRIVATE(o) \
    (G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_ROUTE_EDITOR, NmtRouteEditorPrivate))

typedef struct {
    NMSetting *orig_setting;
    NMSetting *edit_setting;

} NmtRouteEditorPrivate;

enum {
    PROP_0,
    PROP_SETTING,

    LAST_PROP
};

/**
 * nmt_route_editor_new:
 * @setting: the #NMSettingIP4Config or #NMSettingIP6Config to edit
 *
 * Creates a new #NmtRouteEditor to edit the routes in @setting
 *
 * Returns: a new #NmtRouteEditor
 */
NmtNewtForm *
nmt_route_editor_new(NMSetting *setting)
{
    return g_object_new(NMT_TYPE_ROUTE_EDITOR, "setting", setting, NULL);
}

static void
nmt_route_editor_init(NmtRouteEditor *entry)
{}

static void
save_routes_and_exit(NmtNewtButton *button, gpointer user_data)
{
    NmtRouteEditor *       editor = user_data;
    NmtRouteEditorPrivate *priv   = NMT_ROUTE_EDITOR_GET_PRIVATE(editor);
    GPtrArray *            routes;

    g_object_get(priv->edit_setting, NM_SETTING_IP_CONFIG_ROUTES, &routes, NULL);
    g_object_set(priv->orig_setting, NM_SETTING_IP_CONFIG_ROUTES, routes, NULL);
    g_ptr_array_unref(routes);

    nmt_newt_form_quit(NMT_NEWT_FORM(editor));
}

static void
nmt_route_editor_constructed(GObject *object)
{
    NmtRouteEditor *       editor = NMT_ROUTE_EDITOR(object);
    NmtRouteEditorPrivate *priv   = NMT_ROUTE_EDITOR_GET_PRIVATE(editor);
    NmtNewtWidget *        vbox, *routes, *buttons, *ok, *cancel;

    if (G_OBJECT_CLASS(nmt_route_editor_parent_class)->constructed)
        G_OBJECT_CLASS(nmt_route_editor_parent_class)->constructed(object);

    if (NM_IS_SETTING_IP4_CONFIG(priv->edit_setting))
        routes = nmt_route_table_new(AF_INET);
    else
        routes = nmt_route_table_new(AF_INET6);
    g_object_bind_property(priv->edit_setting,
                           NM_SETTING_IP_CONFIG_ROUTES,
                           routes,
                           "routes",
                           G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);

    vbox = nmt_newt_grid_new();
    nmt_newt_grid_add(NMT_NEWT_GRID(vbox), routes, 0, 0);

    buttons = nmt_newt_grid_new();
    nmt_newt_grid_add(NMT_NEWT_GRID(vbox), buttons, 0, 1);
    nmt_newt_widget_set_padding(buttons, 0, 1, 0, 0);

    cancel = g_object_ref_sink(nmt_newt_button_new(_("Cancel")));
    nmt_newt_widget_set_exit_on_activate(cancel, TRUE);
    nmt_newt_grid_add(NMT_NEWT_GRID(buttons), cancel, 0, 0);
    nmt_newt_grid_set_flags(NMT_NEWT_GRID(buttons),
                            cancel,
                            NMT_NEWT_GRID_EXPAND_X | NMT_NEWT_GRID_ANCHOR_RIGHT
                                | NMT_NEWT_GRID_FILL_Y);

    ok = g_object_ref_sink(nmt_newt_button_new(_("OK")));
    g_signal_connect(ok, "clicked", G_CALLBACK(save_routes_and_exit), editor);
    nmt_newt_grid_add(NMT_NEWT_GRID(buttons), ok, 1, 0);
    nmt_newt_widget_set_padding(ok, 1, 0, 0, 0);
    g_object_bind_property(routes, "valid", ok, "sensitive", G_BINDING_SYNC_CREATE);

    nmt_newt_form_set_content(NMT_NEWT_FORM(editor), vbox);
}

static void
nmt_route_editor_finalize(GObject *object)
{
    NmtRouteEditorPrivate *priv = NMT_ROUTE_EDITOR_GET_PRIVATE(object);

    g_clear_object(&priv->orig_setting);
    g_clear_object(&priv->edit_setting);

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

static void
nmt_route_editor_set_property(GObject *     object,
                              guint         prop_id,
                              const GValue *value,
                              GParamSpec *  pspec)
{
    NmtRouteEditorPrivate *priv = NMT_ROUTE_EDITOR_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_SETTING:
        priv->orig_setting = g_value_dup_object(value);
        priv->edit_setting = nm_setting_duplicate(priv->orig_setting);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_route_editor_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
    NmtRouteEditorPrivate *priv = NMT_ROUTE_EDITOR_GET_PRIVATE(object);

    switch (prop_id) {
    case PROP_SETTING:
        g_value_set_object(value, priv->edit_setting);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
        break;
    }
}

static void
nmt_route_editor_class_init(NmtRouteEditorClass *entry_class)
{
    GObjectClass *object_class = G_OBJECT_CLASS(entry_class);

    g_type_class_add_private(entry_class, sizeof(NmtRouteEditorPrivate));

    /* virtual methods */
    object_class->constructed  = nmt_route_editor_constructed;
    object_class->set_property = nmt_route_editor_set_property;
    object_class->get_property = nmt_route_editor_get_property;
    object_class->finalize     = nmt_route_editor_finalize;

    /**
     * NmtRouteEditor:setting:
     *
     * The #NMSettingIP4Config or #NMSettingIP6Config whose routes are
     * being edited.
     */
    g_object_class_install_property(
        object_class,
        PROP_SETTING,
        g_param_spec_object("setting",
                            "",
                            "",
                            NM_TYPE_SETTING,
                            G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
}