/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <deck.h>
#include <ocarina.h>

static Glib::RefPtr<PlayqueueModel> model;


/*
 * Basic helper functions
 */
static inline Playqueue *library_pq()
{
	return deck::get_library_pq();
}

static Gtk::ToggleButton *get_random_button()
{
	return get_widget<Gtk::ToggleButton>("o_collection_random");
}

static void set_queue_size()
{
	Gtk::Label *label = get_widget<Gtk::Label>("o_collection_size");
	label->set_text(itoa(library_pq()->size()));
}



/*
 * Gtk signal functions
 */

static void on_random_toggled()
{
	if (get_random_button()->get_active())
		library_pq()->set_flag(PQ_RANDOM);
	else
		library_pq()->unset_flag(PQ_RANDOM);
}



/*
 * Functions exposed through a TabFuncs structure
 */

static void collection_init_late()
{
	set_queue_size();
	get_random_button()->set_active(library_pq()->get_flags() & PQ_RANDOM);
}

static void collection_cleanup() {}

static bool collection_has_queue(Playqueue *pq)
{
	return pq == library_pq();
}

static void collection_track_added(Playqueue *pq, unsigned int row)
{
	model->on_row_inserted(row);
	set_queue_size();
}

static void collection_track_deleted(Playqueue *pq, unsigned int row)
{
	model->on_row_deleted(row);
	set_queue_size();
}


static struct TabFuncs collection_funcs = {
	.init_late	= collection_init_late,
	.cleanup	= collection_cleanup,

	.has_queue	= collection_has_queue,
	.track_added	= collection_track_added,
	.track_deleted	= collection_track_deleted,
};



/*
 * Basic tab setup
 */

struct TabFuncs *init_collection_tab()
{
	model = Glib::RefPtr<PlayqueueModel>(new PlayqueueModel(library_pq()));
	get_widget<Gtk::TreeView>("o_collection_pq_treeview")->set_model(model);

	get_random_button()->signal_toggled().connect(sigc::ptr_fun(on_random_toggled));

	return &collection_funcs;
}