// Copyright (c) 2011 Bryan Schumaker
#include <version.h>
#include <audio.h>
#include <prefs.h>
#include "ocarina.h"

static int old_w, old_h;
static bool ignore_configure_event = false;

static gboolean configure(GtkWidget *widget, GdkEvent *event, gpointer data)
{
	int w = event->configure.width;
	int h = event->configure.height;
	int cur_w = libsaria::prefs::get("ocarina.window.w");
	int cur_h = libsaria::prefs::get("ocarina.window.h");

	if (ignore_configure_event == true) {
		ignore_configure_event = false;
		return FALSE;
	}

	if (w != cur_w)
		libsaria::prefs::set("ocarina.window.w", w);
	if (h != cur_h)
		libsaria::prefs::set("ocarina.window.h", h);
	return FALSE;
}

static void window_state(GtkWidget *widget, GdkEvent *event, gpointer data)
{
	bool maximized = libsaria::prefs::get("ocarina.window.maximized");

	if (!(event->window_state.changed_mask & GDK_WINDOW_STATE_MAXIMIZED))
		return;

	maximized = event->window_state.new_window_state & GDK_WINDOW_STATE_MAXIMIZED;

	println("Maximization changed to: %d", maximized);
	libsaria::prefs::set("ocarina.window.maximized", maximized);
	ignore_configure_event = true;
	if (maximized) {
		println("Restoring old (w,h): (%d, %d)", old_w, old_h);
		libsaria::prefs::set("ocarina.window.w", old_w);
		libsaria::prefs::set("ocarina.window.h", old_h);
	}
}

static gboolean key_pressed(GtkWindow *window, GdkEvent *event, gpointer data)
{
	string key = gdk_keyval_name(event->key.keyval);
	if (key.substr(0, 3) == "KP_")
		key = key.substr(3);

	if (playlist_key_press(key))
		return TRUE;

	if (key == "Escape") {
		gtk_window_set_focus(window, NULL);
		return TRUE;
	}

	if (playlist_entry_focused())
		return FALSE;

	/*
	 * TODO: something for banning / unbanning songs
	 *       something for incrementing / decrementing the pause after N count
	 */
	if (key == "b" || key == "l" || key == "r") {
		playlist_switch_to(key);
		gtk_window_set_focus(window, NULL);
	} else if (key == "j" || key == "k")
		playlist_focus_treeview();
	else if (key >= "0" && key <= "9")
		playlist_switch_to_n(atoi(key.c_str()));
	else if (key == "n")
		libsaria::deck::next();
	else if (key == "N")
		libsaria::deck::prev();
	else if (key == "slash")
		playlist_focus_entry();
	else if (key == "space")
		libsaria::audio::toggle_play();
	else if (key == "Return")
		playlist_focus_treeview();
	else {
		println("Unhandled key: " + key);
		return FALSE;
	}
	return TRUE;
}

void init_window()
{
	GtkWindow *window = GTK_WINDOW(get_widget("MainWindow"));

	gtk_window_set_title(window, ("Ocarina " + vers_str()).c_str());
	gtk_window_set_icon_from_file(window, lib_file("ocarina.png").c_str(), NULL);

	old_h = libsaria::prefs::init("ocarina.window.h", 600);
	old_w = libsaria::prefs::init("ocarina.window.w", 900);
	gtk_window_resize(window, old_w, old_h);
	if (libsaria::prefs::init("ocarina.window.maximized", false) == true)
		gtk_window_maximize(window);

	connect_signal("MainWindow", "destroy", gtk_main_quit, NULL);
	connect_signal("MainWindow", "configure-event", G_CALLBACK(configure), NULL);
	connect_signal("MainWindow", "window-state-event", G_CALLBACK(window_state), NULL);
	connect_signal("MainWindow", "key-press-event", G_CALLBACK(key_pressed), NULL);
}