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

#include "core/descriptions.h"
#include "auxiliary/functions.h"
#include "sys/sys.h"

namespace core
{

/* ---- class ButtonDescription ------------------------------------ */

ButtonDescription::ButtonDescription()
{
	button_model = 0;
	button_align = Center;
	button_commandtype = CommandNone;
}

ButtonDescription::~ButtonDescription()
{
}

void ButtonDescription::set_text(const std::string &text)
{
	button_text.assign(text);
}

void ButtonDescription::set_command(const std::string &command, const CommandType command_type)
{
	button_commandtype = command_type;
	button_command.assign(command);
}

void ButtonDescription::set_modelname(const std::string &modelname)
{
	button_modelname.assign(modelname);

	button_model = model::Model::load(modelname);
}

void ButtonDescription::set_alignment(Align align)
{
	button_align = align;
}

/* ---- class MenuDescription -------------------------------------- */

MenuDescription::MenuDescription()
{
}

MenuDescription::~MenuDescription()
{
	for (Buttons::iterator it = buttons().begin(); it != buttons().end(); it++) {
		delete(*it);
	}

	buttons().clear();
}

void MenuDescription::set_text(const std::string &text)
{
	menu_text.assign(text);
}

void MenuDescription::set_label(const std::string &label)
{
	menu_label.assign(label);
}

void MenuDescription::add_button(ButtonDescription *button)
{
	buttons().push_back(button);
}

/* ---- class Descriptions ----------------------------------------- */


void Descriptions::serialize(MenuDescription *menu, std::ostream & os)
{
	os 	<< menu->label() << " "
	<< "\"" << menu->text() << "\" "
	<< menu->buttons().size() << " ";

	for (MenuDescription::Buttons::iterator it = menu-> buttons().begin(); it != menu->buttons().end(); it++) {
		ButtonDescription *button = (*it);
		os 	<< "\"" << button->text() << "\" "
		<< button->alignment() << " "
		<< button->command_type() << " "
		<< "\"" << button->command() << "\" "
		<< "\"" << button->modelname() << "\" ";
	}
}

MenuDescription * Descriptions::receive(std::istream &is)
{
	MenuDescription *menu = new MenuDescription();

	int a;
	int t;
	std::string n;
	size_t nb;
	char c;

	// menu label
	is >> n;
	menu->set_label(n);

	// menu text
	n.clear();
	while ((is.get(c)) && (c != '"'));
	while ((is.get(c)) && (c != '"'))
		n += c;

	if (n.size())
		menu->set_text(n);

	// menu buttons
	is >> nb;
	for (size_t i = 0; i < nb; i++) {
		ButtonDescription *button = new ButtonDescription();
		// button text
		n.clear();
		while ((is.get(c)) && (c != '"'));
		while ((is.get(c)) && (c != '"'))
			n += c;
		if (n.size()) button->set_text(n);

		// button alignment
		a = ButtonDescription::Center;
		is >> a;
		if (a == ButtonDescription::Left)
			button->set_alignment(ButtonDescription::Left);
		else if (a == ButtonDescription::Right)
			button->set_alignment(ButtonDescription::Right);
		else
			button->set_alignment(ButtonDescription::Center);

		// button command type
		is >> t;

		// button command
		n.clear();
		while ((is.get(c)) && (c != '"'));
		while ((is.get(c)) && (c != '"'))
			n += c;

		if (n.size()) {
			if (t == ButtonDescription::CommandGame) {
				button->set_command(n, ButtonDescription::CommandGame);
			} else if (t == ButtonDescription::CommandMenu) {
				button->set_command(n, ButtonDescription::CommandMenu);
			}
		}

		// button modelname
		n.clear();
		while ((is.get(c)) && (c != '"'));
		while ((is.get(c)) && (c != '"'))
			n += c;
		if (n.size()) button->set_modelname(n);

		menu->add_button(button);
	}

	return menu;

}

bool Descriptions::load_entity_menus(core::Entity *entity, const std::string &menufilename)
{
	filesystem::IniFile inifile;
	inifile.open(menufilename);

	if (!inifile.is_open()) {
		return false;
	}

	con_debug << "  " << inifile.name() << std::endl;

	std::string strval;
	MenuDescription *menu = 0;
	ButtonDescription *button = 0;

	while (inifile.getline()) {

		if (inifile.got_section()) {
			if (inifile.got_section("menu")) {
				menu = new MenuDescription;
				entity->add_menu(menu);

			} else if (inifile.got_section("button")) {
				if (menu) {
					button = new ButtonDescription();
					menu->add_button(button);
				}
			} else {
				inifile.unknown_section();
			}

		} else if (inifile.got_key()) {

			if (inifile.in_section("menu")) {

				if (inifile.got_key_string("label", strval)) {
					aux::to_label(strval);
					menu->set_label(strval);
				} else if (inifile.got_key_string("text", strval)) {
					aux::strip_quotes(strval);
					menu->set_text(strval);
				} else {
					inifile.unkown_key();
				}

			} else if (inifile.in_section("button")) {

				if (!button) {
					continue;
				} else if (inifile.got_key_string("text", strval)) {
					aux::strip_quotes(strval);
					button->set_text(strval);
				} else if (inifile.got_key_string("command", strval)) {
					for (size_t i = 0; i <= strval.size(); i++) {
						if (strval[i] == ',') strval[i] = ';';
					}
					aux::strip_quotes(strval);

					// default command is a game command
					button->set_command(strval, ButtonDescription::CommandGame);

				} else if (inifile.got_key_string("model", strval)) {
					button->set_modelname(strval);
				} else if (inifile.got_key_string("align", strval)) {
					aux::to_label(strval);
					if (strval.compare("left") == 0) {
						button->set_alignment(ButtonDescription::Left);
					} else if (strval.compare("center") == 0) {
						button->set_alignment(ButtonDescription::Center);
					} else if (strval.compare("right") == 0) {
						button->set_alignment(ButtonDescription::Right);
					} else {
						inifile.unknown_value();
					}
				} else {
					inifile.unkown_key();
				}

			}
		}
	}

	inifile.close();
	return true;
}

}