/* Copyright: (c) Kayne Ruse 2013-2016
 * 
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 * 
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 * 
 * 3. This notice may not be removed or altered from any source
 * distribution.
*/
#include "creature_data.hpp"

#include <sstream>
#include <stdexcept>

CreatureData::CreatureData(std::string _avatar, int _scriptRef):
	Entity("creature"),
	avatar(_avatar),
	scriptRef(_scriptRef)
{
	SetBounds({
		CREATURE_BOUNDS_X,
		CREATURE_BOUNDS_Y,
		CREATURE_BOUNDS_WIDTH,
		CREATURE_BOUNDS_HEIGHT
	});
}

int CreatureData::Update(lua_State* L) {
	int ret = 0;

	if (scriptRef != 0) {
		//Call the script reference
		lua_pushinteger(L, scriptRef);
		lua_gettable(L, LUA_REGISTRYINDEX);
		lua_pushlightuserdata(L, reinterpret_cast<void*>(this));

		//check for errors
		if(lua_pcall(L, 1, 1, 0) != LUA_OK) {
			std::ostringstream msg;
			msg << "Error running creature script: " << lua_tostring(L, -1);
			lua_pop(L, 1);
			throw(std::runtime_error(msg.str()));
		}

		ret += lua_tonumber(L, -1);
	}

	Entity::Update();

	return ret;
}

//-------------------------
//accessors & mutators
//-------------------------

std::string CreatureData::SetAvatar(std::string s) {
	return avatar = s;
}

std::string CreatureData::GetAvatar() {
	return avatar;
}

int CreatureData::SetScriptReference(int i) {
	return scriptRef = i;
}

int CreatureData::GetScriptReference() {
	return scriptRef;
}

std::string CreatureData::SetTag(std::string key, std::string value) {
	return tags[key] = value;
}

std::string CreatureData::GetTag(std::string key) {
	return tags[key];
}