/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * Copyright (C) 2011-2017 Richard Hughes <richard@hughsie.com>
 * Copyright (C) 2015-2016 Kalev Lember <klember@redhat.com>
 *
 * SPDX-License-Identifier: GPL-2.0+
 */

#include <config.h>

#include <gnome-software.h>

/*
 * SECTION:
 * Provides some dummy data that is useful in self test programs.
 */

struct GsPluginData {
	guint			 quirk_id;
	guint			 allow_updates_id;
	gboolean		 allow_updates_inhibit;
	GsApp			*cached_origin;
	GHashTable		*installed_apps;	/* id:1 */
	GHashTable		*available_apps;	/* id:1 */
};

/* just flip-flop this every few seconds */
static gboolean
gs_plugin_dummy_allow_updates_cb (gpointer user_data)
{
	GsPlugin *plugin = GS_PLUGIN (user_data);
	GsPluginData *priv = gs_plugin_get_data (plugin);
	gs_plugin_set_allow_updates (plugin, priv->allow_updates_inhibit);
	priv->allow_updates_inhibit = !priv->allow_updates_inhibit;
	return G_SOURCE_CONTINUE;
}

void
gs_plugin_initialize (GsPlugin *plugin)
{
	GsPluginData *priv = gs_plugin_alloc_data (plugin, sizeof(GsPluginData));
	if (g_getenv ("GS_SELF_TEST_DUMMY_ENABLE") == NULL) {
		g_debug ("disabling '%s' as not in self test",
			 gs_plugin_get_name (plugin));
		gs_plugin_set_enabled (plugin, FALSE);
		return;
	}

	/* toggle this */
	if (g_getenv ("GS_SELF_TEST_TOGGLE_ALLOW_UPDATES") != NULL) {
		priv->allow_updates_id = g_timeout_add_seconds (10,
			gs_plugin_dummy_allow_updates_cb, plugin);
	}

	/* add source */
	priv->cached_origin = gs_app_new (gs_plugin_get_name (plugin));
	gs_app_set_kind (priv->cached_origin, AS_APP_KIND_SOURCE);
	gs_app_set_origin_hostname (priv->cached_origin, "http://www.bbc.co.uk/");

	/* add the source to the plugin cache which allows us to match the
	 * unique ID to a GsApp when creating an event */
	gs_plugin_cache_add (plugin, NULL, priv->cached_origin);

	/* keep track of what apps are installed */
	priv->installed_apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
	priv->available_apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
	g_hash_table_insert (priv->available_apps,
			     g_strdup ("chiron.desktop"),
			     GUINT_TO_POINTER (1));
	g_hash_table_insert (priv->available_apps,
			     g_strdup ("zeus.desktop"),
			     GUINT_TO_POINTER (1));
	g_hash_table_insert (priv->available_apps,
			     g_strdup ("zeus-spell.addon"),
			     GUINT_TO_POINTER (1));
	g_hash_table_insert (priv->available_apps,
			     g_strdup ("com.hughski.ColorHug2.driver"),
			     GUINT_TO_POINTER (1));

	/* need help from appstream */
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "appstream");
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_RUN_AFTER, "os-release");
	gs_plugin_add_rule (plugin, GS_PLUGIN_RULE_CONFLICTS, "odrs");
}

void
gs_plugin_destroy (GsPlugin *plugin)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);
	if (priv->installed_apps != NULL)
		g_hash_table_unref (priv->installed_apps);
	if (priv->available_apps != NULL)
		g_hash_table_unref (priv->available_apps);
	if (priv->quirk_id > 0)
		g_source_remove (priv->quirk_id);
	if (priv->cached_origin != NULL)
		g_object_unref (priv->cached_origin);
}

void
gs_plugin_adopt_app (GsPlugin *plugin, GsApp *app)
{
	if (gs_app_get_id (app) != NULL &&
	    g_str_has_prefix (gs_app_get_id (app), "dummy:")) {
		gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
		return;
	}
	if (g_strcmp0 (gs_app_get_id (app), "mate-spell.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "zeus.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "com.hughski.ColorHug2.driver") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "zeus-spell.addon") == 0 ||
	    g_strcmp0 (gs_app_get_source_default (app), "chiron") == 0)
		gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
}

static gboolean
gs_plugin_dummy_delay (GsPlugin *plugin,
		       GsApp *app,
		       guint timeout_ms,
		       GCancellable *cancellable,
		       GError **error)
{
	gboolean ret = TRUE;
	guint i;
	guint timeout_us = timeout_ms * 10;

	/* do blocking delay in 1% increments */
	for (i = 0; i < 100; i++) {
		g_usleep (timeout_us);
		if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
			gs_utils_error_convert_gio (error);
			ret = FALSE;
			break;
		}
		if (app != NULL)
			gs_app_set_progress (app, i);
		gs_plugin_status_update (plugin, app,
					 GS_PLUGIN_STATUS_DOWNLOADING);
	}
	return ret;
}

static gboolean
gs_plugin_dummy_poll_cb (gpointer user_data)
{
	g_autoptr(GsApp) app = NULL;
	GsPlugin *plugin = GS_PLUGIN (user_data);

	/* find the app in the per-plugin cache -- this assumes that we can
	 * calculate the same key as used when calling gs_plugin_cache_add() */
	app = gs_plugin_cache_lookup (plugin, "chiron");
	if (app == NULL) {
		g_warning ("app not found in cache!");
		return FALSE;
	}

	/* toggle this to animate the hide/show the 3rd party banner */
	if (!gs_app_has_quirk (app, GS_APP_QUIRK_PROVENANCE)) {
		g_debug ("about to make app distro-provided");
		gs_app_add_quirk (app, GS_APP_QUIRK_PROVENANCE);
	} else {
		g_debug ("about to make app 3rd party");
		gs_app_remove_quirk (app, GS_APP_QUIRK_PROVENANCE);
	}

	/* continue polling */
	return TRUE;
}

gboolean
gs_plugin_url_to_app (GsPlugin *plugin,
		      GsAppList *list,
		      const gchar *url,
		      GCancellable *cancellable,
		      GError **error)
{
	g_autofree gchar *path = NULL;
	g_autofree gchar *scheme = NULL;
	g_autoptr(GsApp) app = NULL;

	/* not us */
	scheme = gs_utils_get_url_scheme (url);
	if (g_strcmp0 (scheme, "dummy") != 0)
		return TRUE;

	/* create app */
	path = gs_utils_get_url_path (url);
	app = gs_app_new (path);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_set_metadata (app, "GnomeSoftware::Creator",
			     gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	return TRUE;
}

typedef struct {
	GMainLoop	*loop;
	GCancellable	*cancellable;
	guint		 timer_id;
	gulong		 cancellable_id;
} GsPluginDummyTimeoutHelper;

static gboolean
gs_plugin_dummy_timeout_hang_cb (gpointer user_data)
{
	GsPluginDummyTimeoutHelper *helper = (GsPluginDummyTimeoutHelper *) user_data;
	helper->timer_id = 0;
	g_debug ("timeout hang");
	g_main_loop_quit (helper->loop);
	return FALSE;
}

static void
gs_plugin_dummy_timeout_cancelled_cb (GCancellable *cancellable, gpointer user_data)
{
	GsPluginDummyTimeoutHelper *helper = (GsPluginDummyTimeoutHelper *) user_data;
	g_debug ("calling cancel");
	g_main_loop_quit (helper->loop);
}

static void
gs_plugin_dummy_timeout_helper_free (GsPluginDummyTimeoutHelper *helper)
{
	if (helper->cancellable_id != 0)
		g_signal_handler_disconnect (helper->cancellable, helper->cancellable_id);
	if (helper->timer_id != 0)
		g_source_remove (helper->timer_id);
	if (helper->cancellable != NULL)
		g_object_unref (helper->cancellable);
	g_main_loop_unref (helper->loop);
	g_free (helper);
}

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GsPluginDummyTimeoutHelper, gs_plugin_dummy_timeout_helper_free)

static void
gs_plugin_dummy_timeout_add (guint timeout_ms, GCancellable *cancellable)
{
	g_autoptr(GsPluginDummyTimeoutHelper) helper = g_new0 (GsPluginDummyTimeoutHelper, 1);
	helper->loop = g_main_loop_new (NULL, TRUE);
	if (cancellable != NULL) {
		helper->cancellable = g_object_ref (cancellable);
		helper->cancellable_id =
			g_signal_connect (cancellable, "cancelled",
					  G_CALLBACK (gs_plugin_dummy_timeout_cancelled_cb),
					  helper);
	}
	helper->timer_id = g_timeout_add (timeout_ms,
					  gs_plugin_dummy_timeout_hang_cb,
					  helper);
	g_main_loop_run (helper->loop);
}

gboolean
gs_plugin_add_alternates (GsPlugin *plugin,
			  GsApp *app,
			  GsAppList *list,
			  GCancellable *cancellable,
			  GError **error)
{
	if (g_strcmp0 (gs_app_get_id (app), "zeus.desktop") == 0) {
		g_autoptr(GsApp) app2 = gs_app_new ("chiron.desktop");
		gs_app_list_add (list, app2);
	}
	return TRUE;
}

gboolean
gs_plugin_add_search (GsPlugin *plugin,
		      gchar **values,
		      GsAppList *list,
		      GCancellable *cancellable,
		      GError **error)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);
	g_autoptr(GsApp) app = NULL;
	g_autoptr(AsIcon) ic = NULL;

	/* hang the plugin for 5 seconds */
	if (g_strcmp0 (values[0], "hang") == 0) {
		gs_plugin_dummy_timeout_add (5000, cancellable);
		if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
			gs_utils_error_convert_gio (error);
			return FALSE;
		}
		return TRUE;
	}

	/* we're very specific */
	if (g_strcmp0 (values[0], "chiron") != 0)
		return TRUE;

	/* does the app already exist? */
	app = gs_plugin_cache_lookup (plugin, "chiron");
	if (app != NULL) {
		g_debug ("using %s fom the cache", gs_app_get_id (app));
		gs_app_list_add (list, app);
		return TRUE;
	}

	/* set up a timeout to emulate getting a GFileMonitor callback */
	priv->quirk_id =
		g_timeout_add_seconds (1, gs_plugin_dummy_poll_cb, plugin);

	/* use a generic stock icon */
	ic = as_icon_new ();
	as_icon_set_kind (ic, AS_ICON_KIND_STOCK);
	as_icon_set_name (ic, "drive-harddisk");

	/* add a live updatable normal application */
	app = gs_app_new ("chiron.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Chiron");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "A teaching application");
	gs_app_add_icon (app, ic);
	gs_app_set_size_installed (app, 42 * 1024 * 1024);
	gs_app_set_size_download (app, 50 * 1024 * 1024);
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_INSTALLED);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_set_metadata (app, "GnomeSoftware::Creator",
			     gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);

	/* add to cache so it can be found by the flashing callback */
	gs_plugin_cache_add (plugin, NULL, app);

	return TRUE;
}

gboolean
gs_plugin_add_updates (GsPlugin *plugin,
		       GsAppList *list,
		       GCancellable *cancellable,
		       GError **error)
{
	GsApp *app;
	GsApp *proxy;
	g_autoptr(AsIcon) ic = NULL;

	/* update UI as this might take some time */
	gs_plugin_status_update (plugin, NULL, GS_PLUGIN_STATUS_WAITING);

	/* spin */
	if (!gs_plugin_dummy_delay (plugin, NULL, 2000, cancellable, error))
		return FALSE;

	/* use a generic stock icon */
	ic = as_icon_new ();
	as_icon_set_kind (ic, AS_ICON_KIND_STOCK);
	as_icon_set_name (ic, "drive-harddisk");

	/* add a live updatable normal application */
	app = gs_app_new ("chiron.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Chiron");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "A teaching application");
	gs_app_set_update_details (app, "Do not crash when using libvirt.");
	gs_app_set_update_urgency (app, AS_URGENCY_KIND_HIGH);
	gs_app_add_icon (app, ic);
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE_LIVE);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	g_object_unref (app);

	/* add a offline OS update */
	app = gs_app_new (NULL);
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "libvirt-glib-devel");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "Development files for libvirt");
	gs_app_set_update_details (app, "Fix several memory leaks.");
	gs_app_set_update_urgency (app, AS_URGENCY_KIND_LOW);
	gs_app_set_kind (app, AS_APP_KIND_GENERIC);
	gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_PACKAGE);
	gs_app_set_scope (app, AS_APP_SCOPE_SYSTEM);
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE);
	gs_app_add_source (app, "libvirt-glib-devel");
	gs_app_add_source_id (app, "libvirt-glib-devel;0.0.1;noarch;fedora");
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	g_object_unref (app);

	/* add a live OS update */
	app = gs_app_new (NULL);
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "chiron-libs");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "library for chiron");
	gs_app_set_update_details (app, "Do not crash when using libvirt.");
	gs_app_set_update_urgency (app, AS_URGENCY_KIND_HIGH);
	gs_app_set_kind (app, AS_APP_KIND_GENERIC);
	gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_PACKAGE);
	gs_app_set_scope (app, AS_APP_SCOPE_SYSTEM);
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE_LIVE);
	gs_app_add_source (app, "chiron-libs");
	gs_app_add_source_id (app, "chiron-libs;0.0.1;i386;updates-testing");
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	g_object_unref (app);

	/* add a proxy app update */
	proxy = gs_app_new ("proxy.desktop");
	gs_app_set_name (proxy, GS_APP_QUALITY_NORMAL, "Proxy");
	gs_app_set_summary (proxy, GS_APP_QUALITY_NORMAL, "A proxy app");
	gs_app_set_update_details (proxy, "Update all related apps.");
	gs_app_set_update_urgency (proxy, AS_URGENCY_KIND_HIGH);
	gs_app_add_icon (proxy, ic);
	gs_app_set_kind (proxy, AS_APP_KIND_DESKTOP);
	gs_app_add_quirk (proxy, GS_APP_QUIRK_IS_PROXY);
	gs_app_set_state (proxy, AS_APP_STATE_UPDATABLE_LIVE);
	gs_app_set_management_plugin (proxy, gs_plugin_get_name (plugin));
	gs_app_list_add (list, proxy);
	g_object_unref (proxy);

	/* add a proxy related app */
	app = gs_app_new ("proxy-related-app.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Related app");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "A related app");
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE_LIVE);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_add_related (proxy, app);
	g_object_unref (app);

	/* add another proxy related app */
	app = gs_app_new ("proxy-another-related-app.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Another Related app");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "A related app");
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE_LIVE);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_add_related (proxy, app);
	g_object_unref (app);

	return TRUE;
}

gboolean
gs_plugin_add_installed (GsPlugin *plugin,
			 GsAppList *list,
			 GCancellable *cancellable,
			 GError **error)
{
	const gchar *packages[] = { "zeus", "zeus-common", NULL };
	const gchar *app_ids[] = { "Uninstall Zeus.desktop", NULL };
	guint i;

	/* add all packages */
	for (i = 0; packages[i] != NULL; i++) {
		g_autoptr(GsApp) app = gs_app_new (NULL);
		gs_app_add_source (app, packages[i]);
		gs_app_set_state (app, AS_APP_STATE_INSTALLED);
		gs_app_set_kind (app, AS_APP_KIND_GENERIC);
		gs_app_set_origin (app, "london-west");
		gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
		gs_app_list_add (list, app);
	}

	/* add all app-ids */
	for (i = 0; app_ids[i] != NULL; i++) {
		g_autoptr(GsApp) app = gs_app_new (app_ids[i]);
		gs_app_set_state (app, AS_APP_STATE_INSTALLED);
		gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
		gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
		gs_app_list_add (list, app);
	}

	return TRUE;
}

gboolean
gs_plugin_add_popular (GsPlugin *plugin,
		       GsAppList *list,
		       GCancellable *cancellable,
		       GError **error)
{
	g_autoptr(GsApp) app1 = NULL;
	g_autoptr(GsApp) app2 = NULL;

	/* add wildcard */
	app1 = gs_app_new ("zeus.desktop");
	gs_app_add_quirk (app1, GS_APP_QUIRK_IS_WILDCARD);
	gs_app_set_metadata (app1, "GnomeSoftware::Creator",
			     gs_plugin_get_name (plugin));
	gs_app_list_add (list, app1);

	/* add again, this time with a prefix so it gets deduplicated */
	app2 = gs_app_new ("zeus.desktop");
	gs_app_set_scope (app2, AS_APP_SCOPE_USER);
	gs_app_set_bundle_kind (app2, AS_BUNDLE_KIND_SNAP);
	gs_app_set_metadata (app2, "GnomeSoftware::Creator",
			     gs_plugin_get_name (plugin));
	gs_app_list_add (list, app2);
	return TRUE;
}

gboolean
gs_plugin_app_remove (GsPlugin *plugin,
		      GsApp *app,
		      GCancellable *cancellable,
		      GError **error)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);

	/* only process this app if was created by this plugin */
	if (g_strcmp0 (gs_app_get_management_plugin (app),
		       gs_plugin_get_name (plugin)) != 0)
		return TRUE;

	/* remove app */
	if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0) {
		gs_app_set_state (app, AS_APP_STATE_REMOVING);
		if (!gs_plugin_dummy_delay (plugin, app, 500, cancellable, error)) {
			gs_app_set_state_recover (app);
			return FALSE;
		}
		gs_app_set_state (app, AS_APP_STATE_UNKNOWN);
	}

	/* keep track */
	g_hash_table_remove (priv->installed_apps, gs_app_get_id (app));
	g_hash_table_insert (priv->available_apps,
			     g_strdup (gs_app_get_id (app)),
			     GUINT_TO_POINTER (1));
	return TRUE;
}

gboolean
gs_plugin_app_install (GsPlugin *plugin,
		       GsApp *app,
		       GCancellable *cancellable,
		       GError **error)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);

	/* only process this app if was created by this plugin */
	if (g_strcmp0 (gs_app_get_management_plugin (app),
		       gs_plugin_get_name (plugin)) != 0)
		return TRUE;

	/* install app */
	if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "zeus.desktop") == 0) {
		gs_app_set_state (app, AS_APP_STATE_INSTALLING);
		if (!gs_plugin_dummy_delay (plugin, app, 500, cancellable, error)) {
			gs_app_set_state_recover (app);
			return FALSE;
		}
		gs_app_set_state (app, AS_APP_STATE_INSTALLED);
	}

	/* keep track */
	g_hash_table_insert (priv->installed_apps,
			     g_strdup (gs_app_get_id (app)),
			     GUINT_TO_POINTER (1));
	g_hash_table_remove (priv->available_apps, gs_app_get_id (app));

	return TRUE;
}

gboolean
gs_plugin_update_app (GsPlugin *plugin,
		      GsApp *app,
		      GCancellable *cancellable,
		      GError **error)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);

	/* only process this app if was created by this plugin */
	if (g_strcmp0 (gs_app_get_management_plugin (app),
		       gs_plugin_get_name (plugin)) != 0)
		return TRUE;

	if (!g_str_has_prefix (gs_app_get_id (app), "proxy")) {
		/* always fail */
		g_set_error_literal (error,
				     GS_PLUGIN_ERROR,
				     GS_PLUGIN_ERROR_DOWNLOAD_FAILED,
				     "no network connection is available");
		gs_utils_error_add_origin_id (error, priv->cached_origin);
		return FALSE;
	}

	/* simulate an update for 4 seconds */
	gs_app_set_state (app, AS_APP_STATE_INSTALLING);
	for (guint i = 1; i <= 4; ++i) {
		gs_app_set_progress (app, 25 * i);
		sleep (1);
	}
	gs_app_set_state (app, AS_APP_STATE_INSTALLED);

	return TRUE;
}

gboolean
gs_plugin_refine_app (GsPlugin *plugin,
		      GsApp *app,
		      GsPluginRefineFlags flags,
		      GCancellable *cancellable,
		      GError **error)
{
	GsPluginData *priv = gs_plugin_get_data (plugin);

	/* make the local system EOL */
	if (gs_app_get_metadata_item (app, "GnomeSoftware::CpeName") != NULL)
		gs_app_set_state (app, AS_APP_STATE_UNAVAILABLE);

	/* state */
	if (gs_app_get_state (app) == AS_APP_STATE_UNKNOWN) {
		if (g_hash_table_lookup (priv->installed_apps,
					 gs_app_get_id (app)) != NULL)
			gs_app_set_state (app, AS_APP_STATE_INSTALLED);
		if (g_hash_table_lookup (priv->available_apps,
					 gs_app_get_id (app)) != NULL)
			gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
	}

	/* kind */
	if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "mate-spell.desktop") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "com.hughski.ColorHug2.driver") == 0 ||
	    g_strcmp0 (gs_app_get_id (app), "zeus.desktop") == 0) {
		if (gs_app_get_kind (app) == AS_APP_KIND_UNKNOWN)
			gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	}

	/* license */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_LICENSE) {
		if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0 ||
		    g_strcmp0 (gs_app_get_id (app), "zeus.desktop") == 0)
			gs_app_set_license (app, GS_APP_QUALITY_HIGHEST, "GPL-2.0+");
	}

	/* homepage */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_URL) {
		if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0) {
			gs_app_set_url (app, AS_URL_KIND_HOMEPAGE,
					"http://www.test.org/");
		}
	}

	/* origin */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_ORIGIN) {
		if (g_strcmp0 (gs_app_get_id (app), "zeus-spell.addon") == 0)
			gs_app_set_origin (app, "london-east");
	}

	/* default */
	if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0) {
		if (gs_app_get_name (app) == NULL)
			gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "tmp");
		if (gs_app_get_summary (app) == NULL)
			gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "tmp");
		if (gs_app_get_icons(app)->len == 0) {
			g_autoptr(AsIcon) ic = NULL;
			ic = as_icon_new ();
			as_icon_set_kind (ic, AS_ICON_KIND_STOCK);
			as_icon_set_name (ic, "drive-harddisk");
			gs_app_add_icon (app, ic);
		}
	}

	/* description */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_DESCRIPTION) {
		if (g_strcmp0 (gs_app_get_id (app), "chiron.desktop") == 0) {
			gs_app_set_description (app, GS_APP_QUALITY_NORMAL,
						"long description!");
		}
	}

	/* add fake review */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEWS) {
		g_autoptr(AsReview) review1 = NULL;
		g_autoptr(AsReview) review2 = NULL;
		g_autoptr(GDateTime) dt = NULL;

		dt = g_date_time_new_now_utc ();

		/* set first review */
		review1 = as_review_new ();
		as_review_set_rating (review1, 50);
		as_review_set_reviewer_name (review1, "Angela Avery");
		as_review_set_summary (review1, "Steep learning curve, but worth it");
		as_review_set_description (review1, "Best overall 3D application I've ever used overall 3D application I've ever used. Best overall 3D application I've ever used overall 3D application I've ever used. Best overall 3D application I've ever used overall 3D application I've ever used. Best overall 3D application I've ever used overall 3D application I've ever used.");
		as_review_set_version (review1, "3.16.4");
		as_review_set_date (review1, dt);
		gs_app_add_review (app, review1);

		/* set self review */
		review2 = as_review_new ();
		as_review_set_rating (review2, 100);
		as_review_set_reviewer_name (review2, "Just Myself");
		as_review_set_summary (review2, "I like this application");
		as_review_set_description (review2, "I'm not very wordy myself.");
		as_review_set_version (review2, "3.16.3");
		as_review_set_date (review2, dt);
		as_review_set_flags (review2, AS_REVIEW_FLAG_SELF);
		gs_app_add_review (app, review2);
	}

	/* add fake ratings */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEW_RATINGS) {
		g_autoptr(GArray) ratings = NULL;
		const gint data[] = { 0, 10, 20, 30, 15, 2 };
		ratings = g_array_sized_new (FALSE, FALSE, sizeof (gint), 6);
		g_array_append_vals (ratings, data, 6);
		gs_app_set_review_ratings (app, ratings);
	}

	/* add a rating */
	if (flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_RATING) {
		gs_app_set_rating (app, 66);
	}

	return TRUE;
}

gboolean
gs_plugin_add_category_apps (GsPlugin *plugin,
			     GsCategory *category,
			     GsAppList *list,
			     GCancellable *cancellable,
			     GError **error)
{
	g_autoptr(GsApp) app = gs_app_new ("chiron.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Chiron");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "View and use virtual machines");
	gs_app_set_url (app, AS_URL_KIND_HOMEPAGE, "http://www.box.org");
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
	gs_app_set_pixbuf (app, gdk_pixbuf_new_from_file ("/usr/share/icons/hicolor/48x48/apps/chiron.desktop.png", NULL));
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	return TRUE;
}

gboolean
gs_plugin_add_recent (GsPlugin *plugin,
		      GsAppList *list,
		      guint64 age,
		      GCancellable *cancellable,
		      GError **error)
{
	g_autoptr(GsApp) app = gs_app_new ("chiron.desktop");
	gs_app_set_name (app, GS_APP_QUALITY_NORMAL, "Chiron");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL, "View and use virtual machines");
	gs_app_set_url (app, AS_URL_KIND_HOMEPAGE, "http://www.box.org");
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
	gs_app_set_pixbuf (app, gdk_pixbuf_new_from_file ("/usr/share/icons/hicolor/48x48/apps/chiron.desktop.png", NULL));
	gs_app_set_kind (app, AS_APP_KIND_DESKTOP);
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_list_add (list, app);
	return TRUE;
}

gboolean
gs_plugin_add_distro_upgrades (GsPlugin *plugin,
			       GsAppList *list,
			       GCancellable *cancellable,
			       GError **error)
{
	g_autoptr(GsApp) app = NULL;
	g_autoptr(AsIcon) ic = NULL;

	/* use stock icon */
	ic = as_icon_new ();
	as_icon_set_kind (ic, AS_ICON_KIND_STOCK);
	as_icon_set_name (ic, "application-x-addon");

	/* get existing item from the cache */
	app = gs_plugin_cache_lookup (plugin, "user/*/*/os-upgrade/org.fedoraproject.release-rawhide.upgrade/*");
	if (app != NULL) {
		gs_app_list_add (list, app);
		return TRUE;
	}

	app = gs_app_new ("org.fedoraproject.release-rawhide.upgrade");
	gs_app_set_scope (app, AS_APP_SCOPE_USER);
	gs_app_set_kind (app, AS_APP_KIND_OS_UPGRADE);
	gs_app_set_bundle_kind (app, AS_BUNDLE_KIND_PACKAGE);
	gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
	gs_app_set_name (app, GS_APP_QUALITY_LOWEST, "Fedora");
	gs_app_set_summary (app, GS_APP_QUALITY_NORMAL,
			    "A major upgrade, with new features and added polish.");
	gs_app_set_url (app, AS_URL_KIND_HOMEPAGE,
			"https://fedoraproject.org/wiki/Releases/24/Schedule");
	gs_app_add_quirk (app, GS_APP_QUIRK_NEEDS_REBOOT);
	gs_app_add_quirk (app, GS_APP_QUIRK_PROVENANCE);
	gs_app_add_quirk (app, GS_APP_QUIRK_NOT_REVIEWABLE);
	gs_app_set_version (app, "25");
	gs_app_set_size_installed (app, 256 * 1024 * 1024);
	gs_app_set_size_download (app, 1024 * 1024 * 1024);
	gs_app_set_license (app, GS_APP_QUALITY_LOWEST, "LicenseRef-free");
	gs_app_set_management_plugin (app, gs_plugin_get_name (plugin));
	gs_app_set_metadata (app, "GnomeSoftware::UpgradeBanner-css",
			     "background: url('" DATADIR "/gnome-software/upgrade-bg.png');"
			     "background-size: 100% 100%;");
	gs_app_add_icon (app, ic);
	gs_app_list_add (list, app);

	gs_plugin_cache_add (plugin, NULL, app);

	return TRUE;
}

gboolean
gs_plugin_download_app (GsPlugin *plugin,
			GsApp *app,
			GCancellable *cancellable,
			GError **error)
{
	return gs_plugin_dummy_delay (plugin, app, 5100, cancellable, error);
}

gboolean
gs_plugin_refresh (GsPlugin *plugin,
		   guint cache_age,
		   GCancellable *cancellable,
		   GError **error)
{
	g_autoptr(GsApp) app = gs_app_new (NULL);
	return gs_plugin_dummy_delay (plugin, app, 3100, cancellable, error);
}

gboolean
gs_plugin_app_upgrade_download (GsPlugin *plugin, GsApp *app,
			        GCancellable *cancellable, GError **error)
{
	/* only process this app if was created by this plugin */
	if (g_strcmp0 (gs_app_get_management_plugin (app),
		       gs_plugin_get_name (plugin)) != 0)
		return TRUE;

	g_debug ("starting download");
	gs_app_set_state (app, AS_APP_STATE_INSTALLING);
	if (!gs_plugin_dummy_delay (plugin, app, 5000, cancellable, error)) {
		gs_app_set_state_recover (app);
		return FALSE;
	}
	gs_app_set_state (app, AS_APP_STATE_UPDATABLE);
	return TRUE;
}

gboolean
gs_plugin_app_upgrade_trigger (GsPlugin *plugin, GsApp *app,
			       GCancellable *cancellable, GError **error)
{
	/* only process this app if was created by this plugin */
	if (g_strcmp0 (gs_app_get_management_plugin (app),
		       gs_plugin_get_name (plugin)) != 0)
		return TRUE;

	/* NOP */
	return TRUE;
}

gboolean
gs_plugin_update_cancel (GsPlugin *plugin, GsApp *app,
			 GCancellable *cancellable, GError **error)
{
	return TRUE;
}

gboolean
gs_plugin_review_submit (GsPlugin *plugin,
			 GsApp *app,
			 AsReview *review,
			 GCancellable *cancellable,
			 GError **error)
{
	g_debug ("Submitting dummy review");
	return TRUE;
}

gboolean
gs_plugin_review_report (GsPlugin *plugin,
			 GsApp *app,
			 AsReview *review,
			 GCancellable *cancellable,
			 GError **error)
{
	g_debug ("Reporting dummy review");
	as_review_add_flags (review, AS_REVIEW_FLAG_VOTED);
	return TRUE;
}

gboolean
gs_plugin_review_upvote (GsPlugin *plugin,
			 GsApp *app,
			 AsReview *review,
			 GCancellable *cancellable,
			 GError **error)
{
	g_debug ("Upvoting dummy review");
	as_review_add_flags (review, AS_REVIEW_FLAG_VOTED);
	return TRUE;
}

gboolean
gs_plugin_review_downvote (GsPlugin *plugin,
			   GsApp *app,
			   AsReview *review,
			   GCancellable *cancellable,
			   GError **error)
{
	g_debug ("Downvoting dummy review");
	as_review_add_flags (review, AS_REVIEW_FLAG_VOTED);
	return TRUE;
}

gboolean
gs_plugin_review_remove (GsPlugin *plugin,
			 GsApp *app,
			 AsReview *review,
			 GCancellable *cancellable,
			 GError **error)
{
	/* all okay */
	g_debug ("Removing dummy self-review");
	return TRUE;
}
