/*
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2016 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <iostream>

#include "ardour/route_group.h"
#include "ardour/session.h"

#include <gtkmm/table.h>
#include <gtkmm/stock.h>
#include <gtkmm/messagedialog.h>

#include "gtkmm2ext/colors.h"

#include "gui_thread.h"
#include "route_group_dialog.h"
#include "group_tabs.h"

#include "pbd/i18n.h"

using namespace Gtk;
using namespace ARDOUR;
using namespace std;
using namespace PBD;

RouteGroupDialog::RouteGroupDialog (RouteGroup* g, bool creating_new)
	: ArdourDialog (_("Track/bus Group"))
	, _group (g)
	, _initial_name (g->name ())
	, _active (_("Active"))
	, _gain (_("Gain"))
	, _relative (_("Relative"))
	, _mute (_("Muting"))
	, _solo (_("Soloing"))
	, _rec_enable (_("Record enable"))
	, _sursend_enable (_("Surround Send enable"))
	, _select (_("Selection"))
	, _route_active (_("Active state"))
	, _share_color (_("Color"))
	, _share_monitoring (_("Monitoring"))
{
	set_skip_taskbar_hint (true);
	set_resizable (true);
	set_name (N_("RouteGroupDialog"));

	VBox* main_vbox = manage (new VBox);
	Gtk::Label* l;

	get_vbox()->set_spacing (4);

	main_vbox->set_spacing (18);
	main_vbox->set_border_width (5);

	HBox* hbox = manage (new HBox);
	hbox->set_spacing (6);
	l = manage (new Label (_("Name:"), Gtk::ALIGN_START, Gtk::ALIGN_CENTER, false ));

	hbox->pack_start (*l, false, true);
	hbox->pack_start (_name, true, true);

	VBox* top_vbox = manage (new VBox);
	top_vbox->set_spacing (4);

	top_vbox->pack_start (*hbox, false, true);
	top_vbox->pack_start (_active);

	l = manage (new Label (_("Color"), Gtk::ALIGN_START, Gtk::ALIGN_CENTER, false));
	hbox = manage (new HBox);
	hbox->set_spacing (12);
	hbox->pack_start (*l, false, false);
	hbox->pack_start (_color, false, false);
	top_vbox->pack_start (*hbox, false, false);

	main_vbox->pack_start (*top_vbox, false, false);

	_active.set_active (_group->is_active ());

	Gdk::Color c;
	Gtkmm2ext::set_color_from_rgba (c, GroupTabs::group_color (_group));
	_color.set_color (c);

	VBox* options_box = manage (new VBox);
	options_box->set_spacing (6);

	l = manage (new Label (_("<b>Sharing</b>"), Gtk::ALIGN_START, Gtk::ALIGN_CENTER, false ));
	l->set_use_markup ();
	options_box->pack_start (*l, false, true);

	_gain.set_active (_group->is_gain());
	_relative.set_active (_group->is_relative());
	_mute.set_active (_group->is_mute());
	_solo.set_active (_group->is_solo());
	_rec_enable.set_active (_group->is_recenable());
	_sursend_enable.set_active (_group->is_sursend_enable());
	_select.set_active (_group->is_select());
	_route_active.set_active (_group->is_route_active());
	_share_color.set_active (_group->is_color());
	_share_monitoring.set_active (_group->is_monitoring());

	if (_group->name ().empty()) {
		_initial_name = bump_name_abc ("");
		while (!unique_name (_initial_name)) {
			_initial_name = bump_name_abc (_initial_name);
		}
		_name.set_text (_initial_name);
		update();
	} else {
		_name.set_text (_initial_name);
	}

	_name.signal_activate ().connect (sigc::bind (sigc::mem_fun (*this, &Dialog::response), RESPONSE_OK));
	_name.signal_changed().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_active.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_color.signal_color_set().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_gain.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_relative.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_mute.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_solo.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_rec_enable.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_sursend_enable.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_select.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_route_active.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_share_color.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));
	_share_monitoring.signal_toggled().connect (sigc::mem_fun (*this, &RouteGroupDialog::update));

	gain_toggled ();

	Table* table = manage (new Table (11, 4, false));
	table->set_row_spacings	(6);

	l = manage (new Label ("", Gtk::ALIGN_START, Gtk::ALIGN_CENTER, false));
	l->set_padding (8, 0);
	table->attach (*l, 0, 1, 0, 8, Gtk::FILL, Gtk::FILL, 0, 0);

	table->attach (_gain, 1, 3, 1, 2, Gtk::FILL, Gtk::FILL, 0, 0);

	l = manage (new Label ("", Gtk::ALIGN_START, Gtk::ALIGN_CENTER, false));
	l->set_padding (0, 0);
	table->attach (*l, 1, 2, 2, 3, Gtk::FILL, Gtk::FILL, 0, 0);
	table->attach (_relative, 2, 3, 2, 3, Gtk::FILL, Gtk::FILL, 0, 0);

	int r = 3;
	table->attach (_mute,             1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_solo,             1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_rec_enable,       1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_sursend_enable,   1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_select,           1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_route_active,     1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_share_color,      1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;
	table->attach (_share_monitoring, 1, 3, r, r + 1, Gtk::FILL, Gtk::FILL, 0, 0); ++r;

	options_box->pack_start (*table, false, true);
	main_vbox->pack_start (*options_box, false, true);

	get_vbox()->pack_start (*main_vbox, false, false);

	_gain.signal_toggled().connect(sigc::mem_fun (*this, &RouteGroupDialog::gain_toggled));

	if (creating_new) {
		add_button (Stock::CANCEL, RESPONSE_CANCEL);
		add_button (Stock::NEW, RESPONSE_OK);
		set_default_response (RESPONSE_OK);
	} else {
		_group->Destroyed.connect (_group_connection, invalidator (*this), boost::bind (&Dialog::response, this, RESPONSE_CANCEL), gui_context());
	}

	show_all_children ();
}

bool
RouteGroupDialog::name_check () const
{
	if (unique_name (_name.get_text())) {
		/* not cancelled and the name is ok, so all is well */
		return true;
	}

	_group->set_name (_initial_name);

	MessageDialog msg (
		_("The group name is not unique. Please use a different name."),
		false,
		Gtk::MESSAGE_ERROR,
		Gtk::BUTTONS_OK,
		true
		);

	msg.set_position (WIN_POS_MOUSE);
	msg.run ();

	return false;
}

void
RouteGroupDialog::update ()
{
	PropertyList plist;

	plist.add (Properties::group_gain, _gain.get_active());
	plist.add (Properties::group_recenable, _rec_enable.get_active());
	plist.add (Properties::group_sursend_enable, _sursend_enable.get_active());
	plist.add (Properties::group_mute, _mute.get_active());
	plist.add (Properties::group_solo, _solo.get_active ());
	plist.add (Properties::group_select, _select.get_active());
	plist.add (Properties::group_route_active, _route_active.get_active());
	plist.add (Properties::group_relative, _relative.get_active());
	plist.add (Properties::group_color, _share_color.get_active());
	plist.add (Properties::group_monitoring, _share_monitoring.get_active());
	plist.add (Properties::active, _active.get_active());
	plist.add (Properties::name, string (_name.get_text()));

	_group->apply_changes (plist);

	GroupTabs::set_group_color (_group, Gtkmm2ext::gdk_color_to_rgba (_color.get_color ()));
}

void
RouteGroupDialog::gain_toggled ()
{
	_relative.set_sensitive (_gain.get_active ());
}

/** @return true if the current group's name is unique across the session */
bool
RouteGroupDialog::unique_name (std::string const name) const
{
	if (name.empty()) return false; // do not allow empty name, empty means unset.
	list<RouteGroup*> route_groups = _group->session().route_groups ();
	list<RouteGroup*>::iterator i = route_groups.begin ();
	while (i != route_groups.end() && ((*i)->name() != name || *i == _group)) {
		++i;
	}

	return (i == route_groups.end ());
}
