/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/callback.h>
#include <core/idle.h>
#include <core/index.h>
#include <core/library.h>
#include <lib/colmgr.h>
#include <gui/ocarina.h>


static Gtk::FileChooserWidget *c_chooser;
static Gtk::ProgressBar *c_progress;
static Gtk::TreeView *c_treeview;


static void cd_chooser(const std::string &dir)
{
	if (c_chooser->get_current_folder() != dir)
		c_chooser->set_current_folder(dir);
}

static bool find_cur_path(Gtk::TreePath &path)
{
	Gtk::TreeViewColumn *col;
	c_treeview->get_cursor(path, col);
	return !path.empty();
}

static bool on_idle()
{
	bool ret = idle :: run_task();

	if (ret) {
		c_progress->show();
		c_progress->set_fraction(idle :: get_progress());
	} else
		c_progress->hide();

	colmgr :: update_paths();
	return ret;
}


static void on_ok()
{
	colmgr :: add_path(c_chooser->get_filename());
	lib :: idle(on_idle);
}

static void on_update()
{
	library :: update_all();
	lib :: idle(on_idle);
}

static void on_row_activated(const Gtk::TreePath &path, Gtk::TreeViewColumn *col)
{
	colmgr :: update_path(path);
	lib :: idle(on_idle);
}

static void on_cursor_changed()
{
	Gtk::TreePath path;
	if (find_cur_path(path))
		cd_chooser(colmgr :: get_path(path));
}

static bool on_key_pressed(GdkEventKey *event)
{
	Gtk::TreePath path;

	if (lib :: key_name(event) != "Delete")
		return false;

	if (find_cur_path(path))
		colmgr :: del_path(path);
	return true;
}

static void on_toggled(const Glib::ustring &path)
{
	colmgr :: toggle_path_enabled(Gtk::TreePath(path));
}

void collection_mgr_init()
{
	Glib::RefPtr<Gtk::CellRendererToggle> toggle;

	c_treeview = lib :: get_widget<Gtk::TreeView>("colmgr_treeview");
	c_progress = lib :: get_widget<Gtk::ProgressBar>("o_idle_progress");
	c_chooser = lib :: get_widget<Gtk::FileChooserWidget>("colmgr_chooser");
	toggle = lib :: get_object<Gtk::CellRendererToggle>("colmgr_toggle");

	connect_button("colmgr_add", on_ok);
	connect_button("colmgr_update", on_update);

	c_treeview->signal_row_activated().connect(sigc::ptr_fun(on_row_activated));
	c_treeview->signal_cursor_changed().connect(sigc::ptr_fun(on_cursor_changed));
	c_treeview->signal_key_press_event().connect(sigc::ptr_fun(on_key_pressed));
	toggle->signal_toggled().connect(sigc::ptr_fun(on_toggled));

	colmgr :: init();
}