/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/audio.h>
#include <core/playlist.h>
#include <lib/plist.h>
#include <gui/tabs.h>


static bool find_cur_path(Gtk::TreePath &);


class PlaylistTab : public Tab {
public:
	PlaylistTab() : Tab(playlist :: get_queue())
	{
		tab_search   = lib :: get_widget<Gtk::SearchEntry>("o_playlist_entry");
		tab_treeview = lib :: get_widget<Gtk::TreeView>("o_playlist_pq_treeview");
		tab_widget   = lib :: get_widget<Gtk::Widget>("o_playlist_page");
		tab_finish_init();
	}

	~PlaylistTab()
	{
		tab_unmap();
	}

	bool on_key_press_event(const std::string &key)
	{
		Gtk::TreePath path;
		std::vector<unsigned int> ids;

		if (key != "Delete")
			return Tab :: on_key_press_event(key);
		if (find_cur_path(path)) {
			tab_selected_ids(ids);
			plist :: del_path_ids(path, ids);
		}
		return true;
	}
};

static Gtk::ToggleButton *o_ban;
static Gtk::ToggleButton *o_fav;

static PlaylistTab   *p_tab;
static Gtk::TreeView *p_treeview;


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

static void on_playlist_cursor_changed()
{
	Gtk::TreePath path;
	if (find_cur_path(path))
		plist :: select_path(path);
}

static bool on_playlist_clicked(GdkEventButton *button)
{
	if (button->button != 3)
		return false;
	return true;
}


static void on_ban()
{
	Track *track = audio :: current_track();
	if (o_ban->get_active()) {
		if (!playlist :: has(track, "Banned")) {
			playlist :: add(track, "Banned");
			audio :: next();
		}
	} else
		playlist :: del(track, "Banned");
}

static void on_favorite()
{
	Track *track = audio :: current_track();
	if (o_fav->get_active())
		playlist :: add(track, "Favorites");
	else
		playlist :: del(track, "Favorites");
}

void on_track_loaded(Track *track)
{
	o_ban->set_active(playlist :: has(track, "Banned"));
	o_fav->set_active(playlist :: has(track, "Favorites"));
}


void init_playlist_tab()
{
	plist :: init();
	p_tab = new PlaylistTab;
	p_treeview = lib :: get_widget<Gtk::TreeView>("plist_treeview");

	p_treeview->signal_cursor_changed().connect(sigc::ptr_fun(on_playlist_cursor_changed));
	p_treeview->signal_button_press_event().connect(sigc::ptr_fun(on_playlist_clicked));
	p_treeview->set_cursor(Gtk::TreePath("0"));

	o_ban = lib :: get_widget<Gtk::ToggleButton>("o_ban");
	o_fav = lib :: get_widget<Gtk::ToggleButton>("o_favorite");

	o_ban->signal_toggled().connect(sigc::ptr_fun(on_ban));
	o_fav->signal_toggled().connect(sigc::ptr_fun(on_favorite));
}