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


static const std::string current_playlist();

/**
 * Playlist tab stuff
 */

class PlaylistTab : public Tab {
public:
	PlaylistTab();
	~PlaylistTab();
	bool on_key_press_event(const std::string &);
};


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

	tab_finish_init();
}

PlaylistTab :: ~PlaylistTab()
{
	tab_unmap();
}

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

	if (key != "Delete")
		return Tab :: on_key_press_event(key);

	tab_selected_ids(ids);
	for (unsigned int i = 0; i < ids.size(); i++)
		playlist :: del(tagdb :: lookup(ids[i]), current_playlist());
	return true;
}



/**
 * Playlist "sidebar" stuff
 */

static class PlaylistColumns : public Gtk::TreeModelColumnRecord {
public:
	PlaylistColumns()
	{ add(plist_col_name); }

	Gtk::TreeModelColumn<std::string> plist_col_name;
} plist_cols;

static Glib::RefPtr<Gtk::ListStore> playlist_ls;
static Gtk::TreeView *playlist_tv;

static const std::string current_playlist()
{
	Gtk::TreePath path;
	Gtk::TreeViewColumn *col;
	playlist_tv->get_cursor(path, col);

	Gtk::TreeModel::Row row = *(playlist_ls->get_iter(path));
	std::string res = row[plist_cols.plist_col_name];
	return res;
}


static void on_playlist_cursor_changed()
{
	playlist::select(current_playlist());
}

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



static PlaylistTab *playlist_tab;

void init_playlist_tab()
{
	playlist_tab = new PlaylistTab;
	playlist_ls  = get_object<Gtk::ListStore>("o_playlists");
	playlist_tv  = get_widget<Gtk::TreeView>("o_playlist_treeview");

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