/*
 *      Gem-graph OpenGL experiments
 *
 *      Desc: User interface functions
 *
 *  Copyright (C) 2023 Arthur Menges <arthur.menges@a-lec.org>
 *  Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
 *
 *  This file is part of Gem-graph.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "../../include/base.h"
#include "../../include/ui.h"

struct _GemGraphClientApplication
{
    GtkApplication parent_instance;
};

G_DEFINE_TYPE (GemGraphClientApplication,
               gem_graph_client_application,
               GTK_TYPE_APPLICATION)


static GemGraphClientApplication *application;

/* -------------------------------------------------------------------------- */

void ui_enable_action(const char *name) {
    g_simple_action_set_enabled(
    (GSimpleAction *)g_action_map_lookup_action(
                            G_ACTION_MAP(application),
                            name),
    true);
}

void ui_disable_action(const char *name) {
    g_simple_action_set_enabled(
    (GSimpleAction *)g_action_map_lookup_action(
                            G_ACTION_MAP(application),
                            name),
    false);
}

/*
 *  Window actual presentation on screen
 *
 */
static void gem_graph_client_application_activate(GApplication *app)
{
    GtkWindow *window;

    g_assert(GEM_GRAPH_CLIENT_IS_APPLICATION(app));

    window = gtk_application_get_active_window(GTK_APPLICATION (app));
    if (window == NULL)
    window = g_object_new(GEM_GRAPH_CLIENT_TYPE_WINDOW,
                           "application", app,
                           NULL);

    ui_set_stack(HOME_MODE);

    gtk_window_present(window);
}

/*
 *  Action records are registered here
 *
 */
static void gem_graph_client_application_init(GemGraphClientApplication *self)
{
    g_action_map_add_action_entries(G_ACTION_MAP(self),
                                   app_actions,
                                   G_N_ELEMENTS(app_actions),
                                   self);

    // Setup shortcuts
    gtk_application_set_accels_for_action(GTK_APPLICATION(self),
                                "app.quit",
                                (const char *[]) { "<primary>q", NULL });
    gtk_application_set_accels_for_action(GTK_APPLICATION(self),
                                "app.editmode",
                                (const char *[]) { "<primary>e", NULL });
    gtk_application_set_accels_for_action(GTK_APPLICATION(self),
                                "app.runmode",
                                (const char *[]) { "<primary>r", NULL });
    gtk_application_set_accels_for_action(GTK_APPLICATION(self),
                                "app.presentmode",
                                (const char *[]) { "<primary>p", NULL });
    gtk_application_set_accels_for_action(GTK_APPLICATION(self),
                                "app.savefile",
                                (const char *[]) { "<primary>s", NULL });

    application = self;

    //
    // Disable unneeded/inoperant actions
    //
    ui_disable_action("savefile");
    ui_disable_action("closefile");
    ui_disable_action("editmode");
    ui_disable_action("runmode");
    ui_disable_action("presentmode");
    ui_disable_action("togglesidebar");
}

void ui_send_notification(const char *message)
{
    g_print("NOTIFICATION: %s\n", message);

    g_application_send_notification(G_APPLICATION(application),
                                        "notification",
                                        g_notification_new(message)
                                    );
}

/* -------------------------------------------------------------------------- */

static void gem_graph_client_application_class_init(
                                        GemGraphClientApplicationClass *klass)
{
    GApplicationClass *app_class = G_APPLICATION_CLASS(klass);

    app_class->activate = gem_graph_client_application_activate;
}

GemGraphClientApplication *gem_graph_client_application_new(
                                                    const char *application_id,
                                                    GApplicationFlags flags)
{
    g_return_val_if_fail(application_id != NULL, NULL);

    return g_object_new(GEM_GRAPH_CLIENT_TYPE_APPLICATION,
                       "application-id", application_id,
                       "flags", flags,
                       NULL);
}