/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 * vi:set noexpandtab tabstop=8 shiftwidth=8:
 *
 * Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: GPL-2.0+
 */

#include <config.h>

#include <glib/gi18n.h>
#include <gnome-software.h>

void
gs_plugin_initialize (GsPlugin *plugin)
{
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "appstream");
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "packagekit");
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "rpm-ostree");
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_BEFORE, "icons");
}

static gboolean
gs_plugin_generic_updates_merge_os_update (GsApp *app)
{
	/* this is only for grouping system-installed packages */
	if (gs_app_get_bundle_kind (app) != AS_BUNDLE_KIND_PACKAGE ||
	    gs_app_get_scope (app) != AS_COMPONENT_SCOPE_SYSTEM)
		return FALSE;

	if (gs_app_get_kind (app) == AS_COMPONENT_KIND_GENERIC)
		return TRUE;
	if (gs_app_get_kind (app) == AS_COMPONENT_KIND_REPOSITORY)
		return TRUE;

	return FALSE;
}

static GsApp *
gs_plugin_generic_updates_get_os_update (GsPlugin *plugin)
{
	GsApp *app;
	const gchar *id = "org.gnome.Software.OsUpdate";
	g_autoptr(GIcon) ic = NULL;

	/* create new */
	app = gs_app_new (id);
	gs_app_add_quirk (app, GS_APP_QUIRK_IS_PROXY);
	gs_app_set_management_plugin (app, "");
	gs_app_set_special_kind (app, GS_APP_SPECIAL_KIND_OS_UPDATE);
	gs_app_set_state (app, GS_APP_STATE_UPDATABLE_LIVE);
	gs_app_set_name (app,
			 GS_APP_QUALITY_NORMAL,
			 /* TRANSLATORS: this is a group of updates that are not
			  * packages and are not shown in the main list */
			 _("OS Updates"));
	gs_app_set_summary (app,
			    GS_APP_QUALITY_NORMAL,
			    /* TRANSLATORS: this is a longer description of the
			     * "OS Updates" string */
			    _("Includes performance, stability and security improvements."));
	gs_app_set_description (app,
				GS_APP_QUALITY_NORMAL,
				gs_app_get_summary (app));
	ic = g_themed_icon_new ("system-component-os-updates");
	gs_app_add_icon (app, ic);
	return app;
}

gboolean
gs_plugin_refine (GsPlugin *plugin,
		  GsAppList *list,
		  GsPluginRefineFlags flags,
		  GCancellable *cancellable,
		  GError **error)
{
	g_autoptr(GsApp) app = NULL;
	g_autoptr(GsAppList) os_updates = gs_app_list_new ();

	/* not from get_updates() */
	if ((flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_UPDATE_DETAILS) == 0)
		return TRUE;

	/* do we have any packages left that are not apps? */
	for (guint i = 0; i < gs_app_list_length (list); i++) {
		GsApp *app_tmp = gs_app_list_index (list, i);
		if (gs_app_has_quirk (app_tmp, GS_APP_QUIRK_IS_WILDCARD))
			continue;
		if (gs_plugin_generic_updates_merge_os_update (app_tmp))
			gs_app_list_add (os_updates, app_tmp);
	}
	if (gs_app_list_length (os_updates) == 0)
		return TRUE;

	/* create new meta object */
	app = gs_plugin_generic_updates_get_os_update (plugin);
	for (guint i = 0; i < gs_app_list_length (os_updates); i++) {
		GsApp *app_tmp = gs_app_list_index (os_updates, i);
		gs_app_add_related (app, app_tmp);
		gs_app_list_remove (list, app_tmp);
	}
	gs_app_list_add (list, app);
	return TRUE;
}
