/***************************************************************************
 * By Théophile Bastian, 2017
 * M1 Network course project at ENS Cachan, Juliusz Chroboczek.
 * License: WTFPL v2 <http://www.wtfpl.net/>
 **************************************************************************/

#include "data.h"
#include "protocol.h"
#include "nw_constants.h"
#include "neighbours.h"
#include "packetParser.h"
#include "configFile.h"
#include "dataStore.h"
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <unistd.h>

int main(int argc, char** argv) {
	bool hasConfig = false;
	char* configFilePath = nullptr;
	if(argc > 1) {
		hasConfig = true;
		configFilePath = argv[1];
	}

	srand(time(NULL)+42);

	ConfigFile cfg;
	if(hasConfig) {
		if(!cfg.read(configFilePath) || !cfg.write(configFilePath)) {
			fprintf(stderr, "Could not read/write on '%s'.\n", configFilePath);
			exit(1);
		}
	}

	SockAddr addr;
	memset(&addr, 0, sizeof(addr));
	addr.sin6_family = AF_INET6;
	addr.sin6_port = htons(csts::DEFAULT_PORT);

	printf("%lX\n", cfg.getSelfId());

	Protocol proto(addr, cfg.getSelfId());

	DataStore dataStore(&proto);
	Neighbours neighboursManager(&proto, &dataStore);

	for(const Neighbour& nei : cfg.getBootstrapNodes()) {
		char addr[54];
		inet_ntop(AF_INET6, &nei.addr.sin6_addr, addr, 54);
		printf("Neigh: %lX [%s]:%hu\n", nei.id, addr,
				ntohs(nei.addr.sin6_port));
		neighboursManager.addPotentialNei(nei);
	}

	PacketParser pckParser(&neighboursManager, &proto, &dataStore);

	while(true) {
		neighboursManager.fullUpdate();

		while(proto.readyRead()) {
			SockAddr fromAddr;
			Bytes pck = proto.getPacket(&fromAddr);
			pckParser.parse(pck, fromAddr);
		}

		dataStore.update();

		sleep(1);
	}

	return 0;
}