/*
 *  pamac-vala
 *
 *  Copyright (C) 2017 Chris Cromer <cromer@cromnix.org>
 *  Copyright (C) 2014-2017 Guillaume Benoit <guillaume@manjaro.org>
 *
 *  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
 *  (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 General Public License for more details.
 *
 *  You should have received a get of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Pamac {

	public class Installer: Gtk.Application {
		Transaction transaction;
		ProgressDialog progress_dialog;
		bool important_details;

		public Installer () {
			application_id = "org.pamac.installer";
			flags |= ApplicationFlags.HANDLES_OPEN;
		}

		public override void startup () {
			// i18n
			Intl.bindtextdomain(Constants.GETTEXT_PACKAGE, Path.build_filename(Constants.DATADIR,"locale"));
			Intl.setlocale (LocaleCategory.ALL, "");
			Intl.textdomain(Constants.GETTEXT_PACKAGE);
			Intl.bind_textdomain_codeset(Constants.GETTEXT_PACKAGE, "utf-8" );

			base.startup ();

			important_details = false;
			// integrate progress box and term widget
			progress_dialog = new ProgressDialog ();
			transaction = new Transaction (progress_dialog as Gtk.ApplicationWindow);
			transaction.mode = Transaction.Mode.INSTALLER;
			transaction.finished.connect (on_transaction_finished);
			transaction.important_details_outpout.connect (on_important_details_outpout);
			progress_dialog.box.pack_start (transaction.progress_box);
			progress_dialog.box.reorder_child (transaction.progress_box, 0);
			transaction.term_window.height_request = 200;
			progress_dialog.expander.add (transaction.term_window);
			progress_dialog.close_button.clicked.connect (on_close_button_clicked);
			progress_dialog.close_button.visible = false;
			this.hold ();
		}

		public override void activate () {
			this.release ();
		}

		public override void open (File[] files, string hint) {
			foreach (unowned File file in files) {
				transaction.to_load.add (file.get_path ());
			}
			progress_dialog.show ();
			if (transaction.get_lock ()) {
				transaction.run ();
			} else {
				Gtk.MessageDialog msg = new Gtk.MessageDialog (this as Gtk.ApplicationWindow, Gtk.DialogFlags.MODAL, Gtk.MessageType.WARNING, Gtk.ButtonsType.OK, dgettext (null, "Unable to lock database!"));
				msg.response.connect ((response_id) => {
					msg.destroy();
					this.release ();
				});
				msg.show ();
			}
		}

		void on_important_details_outpout (bool must_show) {
			important_details = true;
			progress_dialog.expander.expanded = true;
		}

		void on_close_button_clicked () {
			this.release ();
		}

		void on_transaction_finished () {
			transaction.stop_daemon ();
			if (important_details) {
				progress_dialog.close_button.visible = true;
			} else {
				this.release ();
			}
		}

		public static int main (string[] args) {
			var installer = new Installer();
			return installer.run (args);
		}
	}
}