/*
   client/entitymenu.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "ui/ui.h"
#include "ui/button.h"
#include "ui/paint.h"
#include "client/entitymenu.h"

namespace client
{

EntityMenu::EntityMenu(ui::Widget *parent, const char * label) : ui::Widget(parent)
{
	set_border(false);
	set_background(false);
	if (label)
		set_label(label);
	else
		set_label("entitymenu");

	menu_container = new ui::Container(this);
	menu_generated_entity = 0;
	hide();
}

EntityMenu::~EntityMenu()
{
}

void EntityMenu::resize()
{
	set_size(parent()->size());
	menu_container->set_location(ui::UI::elementsize.height(), (height() - menu_container->height()) / 2.0f);
}

void EntityMenu::clear()
{
	remove_children();
}

void EntityMenu::generate(core::Entity *entity, const char *menulabel)
{
	using namespace ui;

	menu_generated_menu.clear();
	menu_generated_entity = entity;

	if (!entity)
		return;

	if (!menulabel) {
		return;
	}

	menu_generated_menu.assign(menulabel);
	if (!menu_generated_menu.size())
		return;

	//con_debug << "generating menu " << entity->label() << " " << menulabel << std::endl;

	clear();
	menu_container = new Container(this);

	core::MenuDescription *menudescr = 0;
	for (core::Entity::Menus::iterator it = entity->menus().begin(); it != entity->menus().end(); it++) {
		if ((*it)->label().compare(menulabel) == 0) {
			menudescr = (*it);
		}
	}

	if (!menudescr) {
		menu_container->event_resize();
		resize();
		return;
	}

	if (menudescr->text().size()) {
		Label *label = new Label(menu_container);
		label->set_text(menudescr->text());
		label->set_alignment(AlignCenter);
		label->set_border(false);
		label->set_font(ui::root()->font_large());
	}

	for (core::MenuDescription::Buttons::iterator it = menudescr->buttons().begin(); it != menudescr->buttons().end(); it++) {
		core::ButtonDescription *buttondescr = (*it);

		// parse the command sequence
		size_t i = 0;
		std::string result;
		std::string current;
		bool quote = false;

		while (i < buttondescr->command().size()) {
			const char c = buttondescr->command()[i];

			if (c == '"') {
				quote = !quote;
				result += c;

			} else if (c == ';') {

				if (quote) {
					current += c;

				} else if (current.size()) {
					if (buttondescr->command_type() == core::ButtonDescription::CommandGame) {
						if (result.size()) {
							result += ';';
						}

						result.append("remote ");
						result.append(current);

					} else if (buttondescr->command_type() == core::ButtonDescription::CommandMenu) {
						if (result.size()) {
							result += ';';
						}

						result.append("view ");
						result.append(current);
					}
					current.clear();
				}

			} else {
				current += c;
			}

			i++;
		}

		if (current.size()) {
			if (buttondescr->command_type() == core::ButtonDescription::CommandGame) {
				if (result.size()) {
					result += ';';
				}

				result.append("remote ");
				result.append(current);

			} else if (buttondescr->command_type() == core::ButtonDescription::CommandMenu) {
				if (result.size()) {
					result += ';';
				}

				result.append("view ");
				result.append(current);
			}

		}

		Button *button = new Button(menu_container, buttondescr->text().c_str(), result.c_str());

		switch (buttondescr->alignment()) {
			case core::ButtonDescription::Center:
				button->set_alignment(AlignCenter);
				break;
			case core::ButtonDescription::Left:
				button->set_alignment(AlignLeft | AlignVCenter);
				break;
			case core::ButtonDescription::Right:
				button->set_alignment(AlignRight | AlignVCenter);
				break;
		}
	}

	menu_container->event_resize();
	resize();
}

bool EntityMenu::on_keypress(const int key, const unsigned int modifier)
{
	switch (key) {

		case SDLK_ESCAPE:
			if (visible()) {
				if (menu_generated_menu.compare("main") != 0) {
					generate(menu_generated_entity, "main");
				} else {
					this->hide();
					ui::root()->show_menu("game");
				}
				return true;
			}
			break;
		default:
			break;
	}

	return Widget::on_keypress(key, modifier);
}

}