// ==============================================================
//	This file is part of Glest (www.glest.org)
//
//	Copyright (C) 2001-2008 Martio Figueroa
//
//	You can redistribute this code 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
// ==============================================================

#include "commander.h"

#include "world.h"
#include "unit.h"
#include "conversion.h"
#include "upgrade.h"
#include "command.h"
#include "command_type.h"
#include "network_manager.h"
#include "console.h"
#include "config.h"
#include "platform_util.h"
#include "game.h"
#include "game_settings.h"
#include "game.h"

using namespace Shared::Graphics;
using namespace Shared::Util;
using namespace Shared::Platform;

namespace Glest{ namespace Game{

// =====================================================
// 	class Commander
// =====================================================

// ===================== PUBLIC ========================

void Commander::init(World *world){
	this->world= world;
}

CommandResult Commander::tryGiveCommand(const Selection *selection, const CommandType *commandType,
									const Vec2i &pos, const UnitType* unitType,
									CardinalDir facing, bool tryQueue,Unit *targetUnit) const {
	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	if(!selection->isEmpty() && commandType != NULL) {
		Vec2i refPos;
		CommandResultContainer results;

		refPos = world->getMap()->computeRefPos(selection);

		const Unit *builderUnit = world->getMap()->findClosestUnitToPos(selection, pos, unitType);
		//Vec2i  = world->getMap()->computeDestPos(refPos, builderUnit->getPos(), pos);
		//std::pair<float,Vec2i> distance = world->getMap()->getUnitDistanceToPos(builderUnit,pos,unitType);
		//builderUnit->setCurrentUnitTitle("Distance: " + floatToStr(distance.first) + " pos: " + distance.second.getString());

		int builderUnitId 					= builderUnit->getId();
		CommandStateType commandStateType 	= cst_None;
		int commandStateValue 				= -1;

		//bool unitSignalledToBuild = false;
		//give orders to all selected units
		for(int i = 0; i < selection->getCount(); ++i) {
			const Unit *unit = selection->getUnit(i);
			int unitId= unit->getId();
			Vec2i currPos= world->getMap()->computeDestPos(refPos, unit->getPos(), pos);

			Vec2i usePos = currPos;
			const CommandType *useCommandtype = commandType;
			if(dynamic_cast<const BuildCommandType *>(commandType) != NULL) {
				usePos = pos;
				//if(unitSignalledToBuild == false) {
				//if(builderUnit->getId() == unitId)
				//	builderUnitId		 = unitId;
					//unitSignalledToBuild = true;
				//}
				//else {
				if(builderUnit->getId() != unitId) {
					useCommandtype 		= unit->getType()->getFirstRepairCommand(unitType);
					commandStateType 	= cst_linkedUnit;
					commandStateValue 	= builderUnitId;
					//tryQueue = true;
				}
				else {
					commandStateType 	= cst_None;
					commandStateValue 	= -1;
				}
			}

			if(useCommandtype != NULL) {
				NetworkCommand networkCommand(this->world,nctGiveCommand, unitId,
						useCommandtype->getId(), usePos, unitType->getId(),
						(targetUnit != NULL ? targetUnit->getId() : -1),
						facing, tryQueue, commandStateType,commandStateValue);

				//every unit is ordered to a the position
				CommandResult result= pushNetworkCommand(&networkCommand);
				results.push_back(result);
			}
		}

		return computeResult(results);
	}
	else{
		return crFailUndefined;
	}
}

CommandResult Commander::tryGiveCommand(const Unit* unit, const CommandType *commandType,
									const Vec2i &pos, const UnitType* unitType,
									CardinalDir facing, bool tryQueue,Unit *targetUnit) const {
	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	Chrono chrono;
	chrono.start();

	assert(this->world != NULL);
	assert(unit != NULL);
	assert(commandType != NULL);
	assert(unitType != NULL);

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s] Line: %d took msecs: %lld\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

	NetworkCommand networkCommand(this->world,nctGiveCommand, unit->getId(),
								commandType->getId(), pos, unitType->getId(),
								(targetUnit != NULL ? targetUnit->getId() : -1),
								facing, tryQueue);

	if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s] Line: %d took msecs: %lld\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	CommandResult result = pushNetworkCommand(&networkCommand);

	if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s] Line: %d took msecs: %lld\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

	return result;
}

CommandResult Commander::tryGiveCommand(const Selection *selection, CommandClass commandClass, const Vec2i &pos, const Unit *targetUnit, bool tryQueue) const{

	if(selection->isEmpty() == false) {
		Vec2i refPos, currPos;
		CommandResultContainer results;

		refPos= world->getMap()->computeRefPos(selection);

		//give orders to all selected units
		for(int i = 0; i < selection->getCount(); ++i) {
			const Unit *unit= selection->getUnit(i);
			const CommandType *ct= unit->getType()->getFirstCtOfClass(commandClass);
			if(ct != NULL) {
				int targetId= targetUnit==NULL? Unit::invalidId: targetUnit->getId();
				int unitId= selection->getUnit(i)->getId();
				Vec2i currPos= world->getMap()->computeDestPos(refPos, selection->getUnit(i)->getPos(), pos);
				NetworkCommand networkCommand(this->world,nctGiveCommand, unitId, ct->getId(), currPos, -1, targetId, -1, tryQueue);

				//every unit is ordered to a different pos
				CommandResult result= pushNetworkCommand(&networkCommand);
				results.push_back(result);
			}
			else{
				results.push_back(crFailUndefined);
			}
		}
		return computeResult(results);
	}
	else{
		return crFailUndefined;
	}
}

CommandResult Commander::tryGiveCommand(const Selection *selection,
						const CommandType *commandType, const Vec2i &pos,
						const Unit *targetUnit, bool tryQueue) const{
	if(!selection->isEmpty() && commandType!=NULL){
		Vec2i refPos;
		CommandResultContainer results;

		refPos= world->getMap()->computeRefPos(selection);

		//give orders to all selected units
		for(int i=0; i<selection->getCount(); ++i){
			int targetId= targetUnit==NULL? Unit::invalidId: targetUnit->getId();
			int unitId= selection->getUnit(i)->getId();
			Vec2i currPos= world->getMap()->computeDestPos(refPos, selection->getUnit(i)->getPos(), pos);
			NetworkCommand networkCommand(this->world,nctGiveCommand, unitId, commandType->getId(), currPos, -1, targetId, -1, tryQueue);

			//every unit is ordered to a different position
			CommandResult result= pushNetworkCommand(&networkCommand);
			results.push_back(result);
		}

		return computeResult(results);
	}
	else{
		return crFailUndefined;
	}
}

//auto command
CommandResult Commander::tryGiveCommand(const Selection *selection, const Vec2i &pos, const Unit *targetUnit, bool tryQueue) const {
	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	CommandResult result = crFailUndefined;

	if(selection->isEmpty() == false){

		SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

		Vec2i refPos, currPos;
		CommandResultContainer results;

		//give orders to all selected units
		refPos= world->getMap()->computeRefPos(selection);
		for(int i=0; i<selection->getCount(); ++i) {
			//every unit is ordered to a different pos
			const Unit *unit = selection->getUnit(i);
			assert(unit != NULL);

			currPos= world->getMap()->computeDestPos(refPos, unit->getPos(), pos);

			//get command type
			const CommandType *commandType= unit->computeCommandType(pos, targetUnit);

			SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] unit = [%s] commandType = %p\n",__FILE__,__FUNCTION__,__LINE__,unit->getFullName().c_str(), commandType);

			//give commands
			if(commandType!=NULL) {
				SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] commandType->toString() [%s]\n",__FILE__,__FUNCTION__,__LINE__,commandType->toString().c_str());

				int targetId= targetUnit==NULL? Unit::invalidId: targetUnit->getId();
				int unitId= unit->getId();
				NetworkCommand networkCommand(this->world,nctGiveCommand, unitId, commandType->getId(), currPos, -1, targetId, -1, tryQueue);

				CommandResult result= pushNetworkCommand(&networkCommand);
				results.push_back(result);
			}
			else if(unit->isMeetingPointSettable() == true) {
				NetworkCommand command(this->world,nctSetMeetingPoint, unit->getId(), -1, currPos);

				CommandResult result= pushNetworkCommand(&command);
				results.push_back(result);
			}
			else {
				SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

				results.push_back(crFailUndefined);
			}
		}
		result = computeResult(results);
	}

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] result = %d\n",__FILE__,__FUNCTION__,__LINE__,result);

	return result;
}

CommandResult Commander::tryCancelCommand(const Selection *selection) const{

	for(int i=0; i<selection->getCount(); ++i){
		NetworkCommand command(this->world,nctCancelCommand, selection->getUnit(i)->getId());
		pushNetworkCommand(&command);
	}

	return crSuccess;
}

void Commander::trySetMeetingPoint(const Unit* unit, const Vec2i &pos)const{
	NetworkCommand command(this->world,nctSetMeetingPoint, unit->getId(), -1, pos);
	pushNetworkCommand(&command);
}


// ==================== PRIVATE ====================

CommandResult Commander::computeResult(const CommandResultContainer &results) const {
	switch(results.size()) {
        case 0:
            return crFailUndefined;
        case 1:
            return results.front();
        default:
            for(int i = 0; i < results.size(); ++i) {
                if(results[i] != crSuccess) {
                    return crSomeFailed;
                }
            }
            return crSuccess;
	}
}

CommandResult Commander::pushNetworkCommand(const NetworkCommand* networkCommand) const {
	GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
	const Unit* unit= world->findUnitById(networkCommand->getUnitId());
	CommandResult cr= crSuccess;

	//validate unit
	if(unit == NULL) {
	    char szBuf[1024]="";
	    sprintf(szBuf,"In [%s::%s - %d] Command refers to non existent unit id = %d. Game out of synch.",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId());
        GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
        if(gameNetworkInterface != NULL) {
            char szMsg[1024]="";
            sprintf(szMsg,"Player detected an error: Command refers to non existent unit id = %d. Game out of synch.",networkCommand->getUnitId());
            gameNetworkInterface->sendTextMessage(szMsg,-1, true);
        }
		throw runtime_error(szBuf);
	}

	//add the command to the interface
	gameNetworkInterface->requestCommand(networkCommand);

	//calculate the result of the command
	if(networkCommand->getNetworkCommandType() == nctGiveCommand) {
		Command* command= buildCommand(networkCommand);
		cr= unit->checkCommand(command);
		delete command;
	}
	return cr;
}

void Commander::updateNetwork() {
	NetworkManager &networkManager= NetworkManager::getInstance();

	//check that this is a keyframe
	GameSettings *gameSettings = this->world->getGame()->getGameSettings();
	if( networkManager.isNetworkGame() == false ||
		(world->getFrameCount() % gameSettings->getNetworkFramePeriod()) == 0) {

		SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] networkManager.isNetworkGame() = %d,world->getFrameCount() = %d, gameSettings->getNetworkFramePeriod() = %d\n",__FILE__,__FUNCTION__,__LINE__,networkManager.isNetworkGame(),world->getFrameCount(),gameSettings->getNetworkFramePeriod());

		GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();

		perfTimer.start();
		//update the keyframe
		gameNetworkInterface->updateKeyframe(world->getFrameCount());
		if(perfTimer.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] gameNetworkInterface->updateKeyframe for %d took %lld msecs\n",__FILE__,__FUNCTION__,__LINE__,world->getFrameCount(),perfTimer.getMillis());

		perfTimer.start();
		//give pending commands
		for(int i= 0; i < gameNetworkInterface->getPendingCommandCount(); ++i){
			giveNetworkCommand(gameNetworkInterface->getPendingCommand(i));
		}
		if(perfTimer.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] giveNetworkCommand took %lld msecs, PendingCommandCount = %d\n",__FILE__,__FUNCTION__,__LINE__,perfTimer.getMillis(),gameNetworkInterface->getPendingCommandCount());
		gameNetworkInterface->clearPendingCommands();
	}
}

/*
void Commander::giveNetworkCommandSpecial(const NetworkCommand* networkCommand) const {
    switch(networkCommand->getNetworkCommandType()) {
        case nctNetworkCommand: {
            SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctNetworkCommand\n",__FILE__,__FUNCTION__,__LINE__);
            switch(networkCommand->getCommandTypeId()) {
                case ncstRotateUnit: {
                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found ncstRotateUnit [%d]\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->getTargetId());

                    int unitTypeId = networkCommand->getUnitId();
                    int factionIndex = networkCommand->getUnitTypeId();
                    int rotateAmount = networkCommand->getTargetId();

                    //const Faction *faction = world->getFaction(factionIndex);
                    //const UnitType* unitType= world->findUnitTypeById(faction->getType(), factionIndex);

                    char unitKey[50]="";
                    sprintf(unitKey,"%d_%d",unitTypeId,factionIndex);

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] unitKey = [%s]\n",__FILE__,__FUNCTION__,__LINE__,unitKey);

                    Game *game = this->world->getGame();
                    Gui *gui = game->getGui();
                    gui->setUnitTypeBuildRotation(unitKey,rotateAmount);
                    //unit->setRotateAmount(networkCommand->getTargetId());

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found ncstRotateUnit [%d]\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->getTargetId());
                    }
                    break;
            }
            SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctNetworkCommand\n",__FILE__,__FUNCTION__,__LINE__);
            }
            break;
        default:
            assert(false);
    }
}
*/

void Commander::giveNetworkCommand(NetworkCommand* networkCommand) const {

	Chrono chrono;
	chrono.start();

	if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [START]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

    networkCommand->preprocessNetworkCommand(this->world);

    if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after networkCommand->preprocessNetworkCommand]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

    /*
    if(networkCommand->getNetworkCommandType() == nctNetworkCommand) {
        giveNetworkCommandSpecial(networkCommand);
    }
    else
    */
    {
        Unit* unit= world->findUnitById(networkCommand->getUnitId());

        if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after world->findUnitById]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

        //execute command, if unit is still alive
        if(unit != NULL) {
            switch(networkCommand->getNetworkCommandType()) {
                case nctGiveCommand:{
                    assert(networkCommand->getCommandTypeId() != CommandType::invalidId);

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctGiveCommand networkCommand->getUnitId() = %d\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId());

                    Command* command= buildCommand(networkCommand);

                    if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after buildCommand]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] command = %p\n",__FILE__,__FUNCTION__,__LINE__,command);

                    unit->giveCommand(command, (networkCommand->getWantQueue() != 0));

                    if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after unit->giveCommand]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctGiveCommand networkCommand->getUnitId() = %d\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId());
                    }
                    break;
                case nctCancelCommand: {
                	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctCancelCommand\n",__FILE__,__FUNCTION__,__LINE__);

                	unit->cancelCommand();

                	if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after unit->cancelCommand]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctCancelCommand\n",__FILE__,__FUNCTION__,__LINE__);
                }
                    break;
                case nctSetMeetingPoint: {
                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctSetMeetingPoint\n",__FILE__,__FUNCTION__,__LINE__);

                    unit->setMeetingPos(networkCommand->getPosition());

                    if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [after unit->setMeetingPos]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());

                    SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] found nctSetMeetingPoint\n",__FILE__,__FUNCTION__,__LINE__);
                }
                    break;
                default:
                    assert(false);
            }
        }
        else {
            SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] NULL Unit for id = %d, networkCommand->getNetworkCommandType() = %d\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId(),networkCommand->getNetworkCommandType());
        }
    }

    if(chrono.getMillis() > 0) SystemFlags::OutputDebug(SystemFlags::debugPerformance,"In [%s::%s Line: %d] took msecs: %lld [END]\n",__FILE__,__FUNCTION__,__LINE__,chrono.getMillis());
}

Command* Commander::buildCommand(const NetworkCommand* networkCommand) const {
	assert(networkCommand->getNetworkCommandType()==nctGiveCommand);

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] networkCommand [%s]\n",__FILE__,__FUNCTION__,__LINE__,networkCommand->toString().c_str());

	if(world == NULL) {
	    char szBuf[1024]="";
	    sprintf(szBuf,"In [%s::%s Line: %d] world == NULL for unit with id: %d",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId());
		throw runtime_error(szBuf);
	}

	Unit* target= NULL;
	const CommandType* ct= NULL;
	const Unit* unit= world->findUnitById(networkCommand->getUnitId());

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	//validate unit
	if(unit == NULL) {
	    char szBuf[1024]="";
	    sprintf(szBuf,"In [%s::%s Line: %d] Can not find unit with id: %d. Game out of synch.",__FILE__,__FUNCTION__,__LINE__,networkCommand->getUnitId());
        GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
        if(gameNetworkInterface != NULL) {
            char szMsg[1024]="";
            sprintf(szMsg,"Player detected an error: Can not find unit with id: %d. Game out of synch.",networkCommand->getUnitId());
            gameNetworkInterface->sendTextMessage(szMsg,-1, true);
        }

		throw runtime_error(szBuf);
	}

    ct= unit->getType()->findCommandTypeById(networkCommand->getCommandTypeId());

	if(unit->getFaction()->getIndex() != networkCommand->getUnitFactionIndex()) {
	    char szBuf[4096]="";
	    sprintf(szBuf,"In [%s::%s Line: %d]\nUnit / Faction mismatch for network command = [%s]\n%s\nfor unit = %d\n[%s]\n[%s]\nactual local factionIndex = %d.\nGame out of synch.",
            __FILE__,__FUNCTION__,__LINE__,networkCommand->toString().c_str(),unit->getType()->getCommandTypeListDesc().c_str(),unit->getId(), unit->getFullName().c_str(),unit->getDesc().c_str(),unit->getFaction()->getIndex());

	    SystemFlags::OutputDebug(SystemFlags::debugError,"%s\n",szBuf);
	    SystemFlags::OutputDebug(SystemFlags::debugSystem,"%s\n",szBuf);
	    std::string worldLog = world->DumpWorldToLog();

        GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
        if(gameNetworkInterface != NULL) {
            char szMsg[1024]="";
            sprintf(szMsg,"Player detected an error: Unit / Faction mismatch for unitId: %d, Local faction index = %d, remote idnex = %d. Game out of synch.",networkCommand->getUnitId(),unit->getFaction()->getIndex(),networkCommand->getUnitFactionIndex());
            gameNetworkInterface->sendTextMessage(szMsg,-1, true);
        }

	    std::string sError = "Error [#1]: Game is out of sync (Unit / Faction mismatch)\nplease check log files for details.";
		throw runtime_error(sError);
	}
/*
    I don't think we can validate in unit type since it can be different for certain commands (like attack and build etc)

	else if(networkCommand->getUnitTypeId() >= 0 &&
            unit->getType()->getId() != networkCommand->getUnitTypeId() &&
            ct->getClass() != ccBuild) {
	    char szBuf[4096]="";
	    sprintf(szBuf,"In [%s::%s Line: %d]\nUnit / Type mismatch for network command = [%s]\n%s\nfor unit = %d\n[%s]\n[%s]\nactual local factionIndex = %d.\nactual local unitTypeId = %d.\nGame out of synch.",
            __FILE__,__FUNCTION__,__LINE__,networkCommand->toString().c_str(),unit->getType()->getCommandTypeListDesc().c_str(),unit->getId(), unit->getFullName().c_str(),unit->getDesc().c_str(),unit->getFaction()->getIndex(),unit->getType()->getId());

	    SystemFlags::OutputDebug(SystemFlags::debugError,"%s\n",szBuf);
	    SystemFlags::OutputDebug(SystemFlags::debugSystem,"%s\n",szBuf);
	    std::string worldLog = world->DumpWorldToLog();

        GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
        if(gameNetworkInterface != NULL) {
            char szMsg[1024]="";
            sprintf(szMsg,"Player detected an error: Unit / Faction mismatch for unitId: %d, Local faction index = %d, remote idnex = %d. Game out of synch.",networkCommand->getUnitId(),unit->getFaction()->getIndex(),networkCommand->getUnitFactionIndex());
            gameNetworkInterface->sendTextMessage(szMsg,-1, true);
        }

	    std::string sError = "Error [#2]: Game is out of sync (unit type mismatch)\nplease check log files for details.";
		throw runtime_error(sError);
	}
*/

    const UnitType* unitType= world->findUnitTypeById(unit->getFaction()->getType(), networkCommand->getUnitTypeId());

	// debug test!
	//throw runtime_error("Test missing command type!");

	//validate command type
	if(ct == NULL) {
	    char szBuf[4096]="";
	    sprintf(szBuf,"In [%s::%s Line: %d]\nCan not find command type for network command = [%s]\n%s\nfor unit = %d\n[%s]\n[%s]\nactual local factionIndex = %d.\nGame out of synch.",
            __FILE__,__FUNCTION__,__LINE__,networkCommand->toString().c_str(),unit->getType()->getCommandTypeListDesc().c_str(),unit->getId(), unit->getFullName().c_str(),unit->getDesc().c_str(),unit->getFaction()->getIndex());

	    SystemFlags::OutputDebug(SystemFlags::debugSystem,"%s\n",szBuf);
	    std::string worldLog = world->DumpWorldToLog();

        GameNetworkInterface *gameNetworkInterface= NetworkManager::getInstance().getGameNetworkInterface();
        if(gameNetworkInterface != NULL) {
            char szMsg[1024]="";
            sprintf(szMsg,"Player detected an error: Can not find command type for unitId: %d. Game out of synch.",networkCommand->getUnitId());
            gameNetworkInterface->sendTextMessage(szMsg,-1, true);
        }

	    std::string sError = "Error [#3]: Game is out of sync, please check log files for details.";
		throw runtime_error(sError);
	}

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	CardinalDir facing;
	// get facing/target ... the target might be dead due to lag, cope with it
	if (ct->getClass() == ccBuild) {
		assert(networkCommand->getTargetId() >= 0 && networkCommand->getTargetId() < 4);
		facing = CardinalDir(networkCommand->getTargetId());
	}
	else if (networkCommand->getTargetId() != Unit::invalidId ) {
		target= world->findUnitById(networkCommand->getTargetId());
	}

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	//create command
	Command *command= NULL;
	if(unitType != NULL) {
		command= new Command(ct, networkCommand->getPosition(), unitType, facing);
	}
	else if(target == NULL) {
		command= new Command(ct, networkCommand->getPosition());
	}
	else {
		command= new Command(ct, target);
	}

	// Add in any special state
	CommandStateType commandStateType 	= networkCommand->getCommandStateType();
	int commandStateValue 				= networkCommand->getCommandStateValue();

	command->setStateType(commandStateType);
	command->setStateValue(commandStateValue);

	SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);

	//issue command
	return command;
}

}}//end namespace