/* Copyright: (c) Kayne Ruse 2013-2015
 * 
 * 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 "server_application.hpp"

#include <chrono>
#include <iostream>
#include <sstream>

//-------------------------
//server commands
//-------------------------

void ServerApplication::hAdminDisconnectForced(ClientPacket* const argPacket) {
	//TODO: (9) ServerApplication::hAdminDisconnectForced()
}

void ServerApplication::hAdminShutdownRequest(ClientPacket* const argPacket) {
	//get the account and client data
	AccountData* accountData = accountMgr.Get(argPacket->accountIndex);
	if (!accountData) {
		return;
	}
	ClientData* clientData = clientMgr.Get(accountData->GetClientIndex());
	if (!clientData) {
		std::ostringstream msg;
		msg << "No client found for an account: " << accountData->GetUsername();
		throw(std::logic_error(msg.str()));
	}

	//check for fraud
	if (clientData->GetAddress() != argPacket->srcAddress) {
		std::cerr << "Falsified server shutdown detected from: " << accountData->GetUsername() << std::endl;
		return;
	}

	//reject non-admin requests
	if (accountData->GetAdministrator() != true) {
		std::cerr << "Rejected server shutdown command from: " << accountData->GetUsername() << std::endl;

		//build the message
		std::ostringstream msg;
		msg << "Invalid admin status";

		//build the packet
		TextPacket newPacket;
		newPacket.type = SerialPacketType::SHUTDOWN_REJECTION;
		strncpy(newPacket.text, msg.str().c_str(), PACKET_STRING_SIZE);

		//send the rejection message
		network.SendTo(argPacket->srcAddress, static_cast<SerialPacket*>(&newPacket));

		return;
	}

	//end the server
	running = false;

	//disconnect all clients
	TextPacket newPacket;
	newPacket.type = SerialPacketType::ADMIN_DISCONNECT_FORCED;
	strncpy(newPacket.text, "Server shutdown", PACKET_STRING_SIZE);
	pumpPacket(&newPacket);

	//finished this routine
	std::cout << "Shutdown signal accepted" << std::endl;
}

void ServerApplication::SaveServerState() {
	//TODO: (2) Periodic mass server saves
}