#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <glib.h>
#include <glib/gi18n.h>

enum {
    STARTED,
    PAUSED,
    STOPPED
};

enum {
    N_LAP,
    TIME,
    N_COLUMNS
};

gchar output[100];
GTimer *timer;
gint state = STOPPED;
GtkWidget *timer_display, *button_timer, *button_funcs, *tree;
GtkListStore *liststore;
GtkTreeSelection *selection;
GtkTreeIter selection_iter, iter;

gboolean update_progress_bar (void) {
	gint hours, minutes, seconds;
	gchar *markup;
	gulong gulong;
	/*gdouble hseconds;*/

	/*hseconds = g_timer_elapsed (timer, &gulong);
	hseconds = */
	seconds = g_timer_elapsed (timer, &gulong);
	hours = seconds / 3600;
	seconds -= 3600 * hours;
	minutes = seconds / 60;
	seconds -= 60 * minutes;
	/*sprintf(output, "%02d:%02d:%02d:%.2f", hours, minutes, seconds, hseconds);*/
	sprintf(output, "%02d:%02d:%02d", hours, minutes, seconds);

	gtk_label_set_text(GTK_LABEL(timer_display), output);
	markup = g_markup_printf_escaped("<span font=\"48\" weight=\"heavy\"><tt>%s</tt></span>", output);
	gtk_label_set_markup(GTK_LABEL(timer_display), markup);
	g_free (markup);
	return TRUE;
}

void add_lap (void) {
	gint lap = 0;
	GtkTreePath *path;

	lap++;
	gtk_list_store_append(liststore, &iter);
	gtk_list_store_set(liststore, &iter, N_LAP, lap, TIME, output, -1);
	gtk_tree_selection_select_iter(gtk_tree_view_get_selection(GTK_TREE_VIEW(tree)), &iter);
	if(selection) {
		if(gtk_tree_selection_get_selected(selection, NULL, &iter) ) {
			path = gtk_tree_model_get_path(gtk_tree_view_get_model(GTK_TREE_VIEW(tree)), &iter);
			gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(tree), path, NULL, FALSE, 0, 0);
			gtk_tree_path_free(path);
		}
	}
}

void on_timer_button_clicked (void) {
	if(state == STOPPED) {
		g_timer_start(timer);
		gtk_button_set_label(GTK_BUTTON(button_timer), "Stop");
		gtk_widget_set_sensitive(GTK_WIDGET(button_funcs), TRUE);
		gtk_button_set_label(GTK_BUTTON(button_funcs), "Lap");
		state = STARTED;
	} else if(state == PAUSED) {
		g_timer_continue(timer);
		gtk_button_set_label(GTK_BUTTON(button_timer), "Stop");
		gtk_button_set_label(GTK_BUTTON(button_funcs), "Lap");
		state = STARTED;
	} else if(state == STARTED) {
		g_timer_stop(timer);
		gtk_button_set_label(GTK_BUTTON(button_timer), "Continue");
		gtk_widget_set_sensitive(GTK_WIDGET(button_funcs), TRUE);
		gtk_button_set_label(GTK_BUTTON(button_funcs), "Reset");
		state = PAUSED;
	}
}

void on_funcs_button_clicked (void) {
	if(state == STARTED)
		add_lap();
	else if(state == PAUSED) {
		g_timer_start(timer);
		g_timer_stop(timer);
		gtk_widget_set_sensitive(GTK_WIDGET(button_funcs), FALSE);
		gtk_button_set_label(GTK_BUTTON(button_funcs), "Reset");
		gtk_button_set_label(GTK_BUTTON(button_timer), "Start");
		gtk_list_store_clear(GTK_LIST_STORE(liststore));
		state = STOPPED;
	}
}

/*void about_dialog_close (GtkWidget *about_dialog) {
	gtk_widget_destroy(GTK_WIDGET(about_dialog));
}

void about_dialog_open (void) {
	GtkWidget *about_dialog;
	gchar *license_trans;

	const gchar *authors[] = {"Jente", "Calvin Morrison", NULL};
	const gchar *license[] = {
		N_("Gstopwatch 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."),
		N_("Gstopwatch 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."),
		N_("You should have received a copy of the GNU General Public License "
		   "along with this program. If not, see <http://www.gnu.org/licenses/>.")
	};
	license_trans = g_strjoin ("\n\n", _(license[0]), _(license[1]), _(license[2]), NULL);

	about_dialog = gtk_about_dialog_new();
	gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG (about_dialog), "Gstopwatch");
	gtk_about_dialog_set_comments(GTK_ABOUT_DIALOG (about_dialog), "A simple stopwatch, written in GTK3"),
	gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG (about_dialog), "Copyright \xc2\xa9 2013 Jente");
	gtk_about_dialog_set_license(GTK_ABOUT_DIALOG (about_dialog), license_trans);
	gtk_about_dialog_set_wrap_license(GTK_ABOUT_DIALOG (about_dialog), TRUE);
	gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG (about_dialog), authors);
	gtk_about_dialog_set_website_label(GTK_ABOUT_DIALOG (about_dialog), "GitHub repository");
	gtk_about_dialog_set_website(GTK_ABOUT_DIALOG (about_dialog), "https://github.com/Unia/gstopwatch");
	gtk_about_dialog_set_logo_icon_name(GTK_ABOUT_DIALOG (about_dialog), "clocks");

	g_signal_connect (GTK_DIALOG(about_dialog), "response", G_CALLBACK(about_dialog_close), NULL);

	gtk_widget_show (about_dialog);
}*/

int main (int argc, char *argv[]) {
	GtkWidget *window, *vbox, *hbox;
	GtkTreeViewColumn *column;
	GtkCellRenderer *renderer;

	gtk_init(&argc, &argv);

	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
	hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);

	timer_display = gtk_label_new("");
	button_timer = gtk_button_new_with_label("Start");
	button_funcs = gtk_button_new_with_label("Reset");
	gtk_widget_set_sensitive(button_funcs, FALSE);

	tree = gtk_tree_view_new();
	liststore = gtk_list_store_new(N_COLUMNS, G_TYPE_INT, G_TYPE_STRING);
	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(tree), TRUE);
	gtk_tree_view_set_model(GTK_TREE_VIEW(tree), GTK_TREE_MODEL(liststore));

	column = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(column, "Lap");

	renderer = gtk_cell_renderer_text_new();
	gtk_tree_view_column_pack_start(column, renderer, TRUE);
	gtk_tree_view_column_set_attributes(column, renderer, "text", N_LAP, NULL);
	gtk_tree_view_column_set_sort_column_id(column, N_LAP);
	gtk_tree_view_append_column(GTK_TREE_VIEW(tree), column);

	renderer = gtk_cell_renderer_text_new();
	column = gtk_tree_view_column_new_with_attributes("Time", renderer, "text", TIME, NULL);
	gtk_tree_view_column_set_sort_column_id(column, TIME);
	gtk_tree_view_append_column(GTK_TREE_VIEW(tree), column);

	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
	gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);

	gtk_box_pack_start(GTK_BOX(vbox), timer_display, FALSE, TRUE, 5);
	gtk_box_pack_start(GTK_BOX(hbox), button_timer, TRUE, TRUE, 5);
	gtk_box_pack_start(GTK_BOX(hbox), button_funcs, TRUE, TRUE, 5);
	gtk_container_add(GTK_CONTAINER(vbox), hbox);
	gtk_box_pack_start(GTK_BOX(vbox), tree, TRUE, TRUE, 5);
	/*gtk_box_pack_start(GTK_BOX(hbox), button_about, TRUE, TRUE, 5);*/

	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title (GTK_WINDOW(window), "Gstopwatch");
	gtk_window_set_default_icon_name("clocks");
	gtk_container_add(GTK_CONTAINER(window), vbox);
	gtk_widget_show_all(window);

	timer = g_timer_new();
	g_timer_stop(timer);

	g_timeout_add_full(G_PRIORITY_HIGH, 50, (GSourceFunc) update_progress_bar, NULL, NULL);
	g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
	/*g_signal_connect(button_about, "clicked", G_CALLBACK(about_dialog_open), NULL);*/
	g_signal_connect(button_timer, "clicked", G_CALLBACK(on_timer_button_clicked), NULL);
	g_signal_connect(button_funcs, "clicked", G_CALLBACK(on_funcs_button_clicked), NULL);

	gtk_main();
	g_timer_destroy(timer);
}