/*
 * Copyright 2014 (c) Anna Schumaker.
 */
extern "C" {
#include <core/collection.h>
#include <core/playlist.h>
#include <core/string.h>
#include <core/tempq.h>
#include <gui/builder.h>
#include <gui/queue.h>
#include <gui/sidebar.h>
}
#include <gui/tabs.h>

#include <map>
#include <sstream>


static std::map<queue *, Tab *> queue_mapping;

/**
 *
 * Tab class basics
 *
 */

Tab :: Tab(queue *pq)
     : tab_sorting_count(0), tab_pq(pq), tab_label(NULL)
{
	queue_mapping[tab_pq] = this;

	tab_builder = Gtk::Builder::create();
	tab_builder->add_from_file(gui :: share_file("QueueWindow.ui"));
	tab_builder->get_widget_derived("QueueWindow",  tab_window);

	tab_window->init(tab_pq);

	tab_vbox.set_margin_start(1);
	tab_vbox.set_margin_end(1);
	tab_vbox.set_homogeneous(false);
	tab_vbox.show();
}

Tab :: ~Tab() {}


/**
 *
 * QNotifier implementation.
 *
 */

void Tab :: on_track_added(unsigned int row)
{
	tab_label->set_size();
}

void Tab :: on_track_removed(unsigned int row)
{
	tab_label->set_size();
}


/**
 *
 * Tab internal helper functions
 *
 */

int Tab :: tab_page_num()
{
	Gtk::Notebook *notebook = Glib :: wrap(GTK_NOTEBOOK(gui_builder_widget("o_notebook")), false);
	return notebook->page_num(tab_vbox);
}

bool Tab :: tab_is_cur()
{
	Gtk::Notebook *notebook = Glib :: wrap(GTK_NOTEBOOK(gui_builder_widget("o_notebook")), false);
	return notebook->page_num(tab_vbox) == notebook->get_current_page();
}

void Tab :: tab_unmap()
{
	queue_mapping.erase(tab_pq);
}



/**
 *
 * Global functions
 *
 */

Tab *find_tab(queue *pq)
{
	std::map<queue *, Tab *>::iterator it;
	it = queue_mapping.find(pq);
	if (it != queue_mapping.end())
		return it->second;
	return NULL;
}

static bool on_window_key_pressed(GdkEventKey *event)
{
	Gtk::Notebook *notebook = Glib :: wrap(GTK_NOTEBOOK(gui_builder_widget("o_notebook")), false);
	std::string key = gdk_keyval_name(event->keyval);

	if (key.size() >= 3) {
		if (key.substr(0, 3) == "KP_")
			key = key.substr(3);
	}

	if (key >= "0" && key <= "9") {
		unsigned int n = atoi(key.c_str());
		if (n < tempq_count())
			notebook->set_current_page(n);
	} else if (key == "c")
		notebook->set_current_page(tempq_count());
	else if (key == "h")
		notebook->set_current_page(tempq_count() + 1);
	else if (key == "m")
		notebook->set_current_page(tempq_count() + 3);
	else if (key == "p")
		notebook->set_current_page(tempq_count() + 2);
	else
		return false;
	return true;
}


void init_tabs()
{
	Gtk::Window *window = Glib :: wrap(GTK_WINDOW(gui_builder_widget("o_window")), false);

	/* Initialize other tabs */
	init_queue_tabs();

	/* Setup keyboard shortcuts */
	window->signal_key_press_event().connect(sigc::ptr_fun(on_window_key_pressed));
}

void post_init_tabs()
{
	post_init_queue_tabs();

	unsigned int tab = 0;
	for (tab = 0; tab < tempq_count(); tab++) {
		if (queue_has_flag(tempq_get(tab), Q_ENABLED))
			break;
	}
	Glib :: wrap(GTK_NOTEBOOK(gui_builder_widget("o_notebook")), false)->set_current_page(tab);
}

void cleanup_tabs()
{
	while (queue_mapping.size() > 0)
		delete queue_mapping.begin()->second;
}