/**
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

using Gtk;

namespace Yggtk {

    [GtkTemplate (ui = "/org/yggtk/yggtk/ui/app-window.ui")]
    public class AppWindow : ApplicationWindow {

        [GtkChild]
        private Gtk.Switch service_state_switch;

        [GtkChild]
        private Gtk.Button browse_peers_button;

        [GtkChild]
        private Gtk.Entry peer_ip_entry;

		[GtkCallback]
		private bool on_service_state_switch_state_set (bool state) {
			this.application.activate_action ("set-service-state", new Variant.boolean (state));
			return true;
		}

		public void set_service_state (bool state) {
			service_state_switch.set_state (state);
		}

        public AppWindow (Gtk.Application application) {

            Object(application: application);

            peer_ip_entry.notify["text"].connect (() => {

                if (peer_ip_entry.text != "") {

                    browse_peers_button.label = "OK";

                } else {

                    browse_peers_button.label = "Browse";

                }

            });

            browse_peers_button.clicked.connect (() => {

                if (browse_peers_button.label == "OK") {

                    string yggconf;
                    Process.spawn_command_line_sync ("yggdrasil -genconf -json", out yggconf);
                    parse (yggconf, peer_ip_entry);

                } else {

                    Process.spawn_command_line_sync (
                        "xdg-open https://github.com/yggdrasil-network/public-peers"
                    );

                }

            });

        }

        int parse (string yggconf, Entry ip) {

            try {

                var node = Json.from_string (yggconf);
                var obj = node.get_object ();
                obj.set_string_member ("Peers", ip.text);
                string ptext = Json.to_string (node,true);

                string file = "yggdrasil.conf";
                FileUtils.set_contents (file, ptext);

                Process.spawn_command_line_sync ("pkexec cp yggdrasil.conf /etc");

            } catch (Error e) {

                print ("Error parse JSON: %s\n", e.message);

            }

            return 0;

        }

    }

}