/*
 * Main window
 *
 * Copyright (C) 2017  Patrick McDermott
 *
 * This file is part of Marquee.
 *
 * Marquee 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.
 *
 * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>

#include <gtk/gtk.h>

#include "window.h"
#include "tab.h"

static void
add_tab(MqWindow *window, gchar *uri, gint position)
{
	GtkWidget *tab_label;
	GtkWidget *tab_label_image;
	GtkWidget *tab_label_label;
	MqTab     *tab;
	GtkWidget *tab_widget;

	tab_label = gtk_grid_new();
	tab_label_image = gtk_image_new_from_icon_name("text-x-generic",
		GTK_ICON_SIZE_BUTTON);
	gtk_grid_attach(GTK_GRID(tab_label), tab_label_image,
		0, 0, 1, 1);
	tab_label_label = gtk_label_new("New tab");
	gtk_label_set_ellipsize(GTK_LABEL(tab_label_label),
		PANGO_ELLIPSIZE_END);
	gtk_widget_set_hexpand(tab_label_label, TRUE);
	gtk_grid_attach(GTK_GRID(tab_label), tab_label_label,
		1, 0, 1, 1);
	gtk_widget_show_all(tab_label);

	tab = mq_tab_new(uri, tab_label_image, tab_label_label);

	tab_widget = mq_tab_get_container(tab);
	position = gtk_notebook_insert_page(GTK_NOTEBOOK(window->notebook),
		tab_widget, tab_label, position);
	gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(window->notebook),
		tab_widget, TRUE);
	gtk_notebook_set_tab_detachable(GTK_NOTEBOOK(window->notebook),
		tab_widget, TRUE);

	mq_tab_update_position(tab, position);
}

static void
update_positions(GtkNotebook __attribute__((unused)) *notebook,
	GtkWidget __attribute__((unused)) *child,
	guint __attribute__((unused)) page_num, MqWindow *window)
{
	/* TODO: Once MqWindow has a data structure for tabs, loop through them
	 * all and call mq_tab_update_position(). */
	/* TODO: Should this also update the tabs data structure?  Probably. */

	/* Temporarily "use" window. */
	window = window;
}

MqWindow *
mq_window_new(gchar **uris)
{
	MqWindow *window;
	guint i;

	window = malloc(sizeof(*window));

	window->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_default_size(GTK_WINDOW(window->window), 1024, 768);
	/* TODO: Don't quit on window close */
	g_signal_connect(window->window, "destroy",
		G_CALLBACK(gtk_main_quit), NULL);

	window->notebook = gtk_notebook_new();
	gtk_notebook_set_scrollable(GTK_NOTEBOOK(window->notebook), TRUE);
	gtk_notebook_set_group_name(GTK_NOTEBOOK(window->notebook), "mq-tabs");
	gtk_container_add(GTK_CONTAINER(window->window),
		window->notebook);
	g_signal_connect(window->notebook, "page-reordered",
		G_CALLBACK(update_positions), window);

	if (uris && uris[0]) {
		for (i = 0; uris && uris[i]; ++i) {
			add_tab(window, uris[i], -1);
		}
	} else {
		add_tab(window, "about:new", -1);
	}

	gtk_widget_show_all(window->window);

	return window;
}