/*
 * libretroshare/src/ft: ftserver3test.cc
 *
 * File Transfer for RetroShare.
 *
 * Copyright 2008 by Robert Fernie.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License Version 2 as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 *
 * Please report all bugs and problems to "retroshare@lunamutt.com".
 *
 */

/*
 * ftServer3Test - Test of the file transfer from a server level.
 * Steps:
 * 1) load shared directories into others, and let them be 
      transferred between clients.
 * 2) search for local item on others.
 * 3) request item on load server.
	should transfer from all others simultaneously.
 */

#ifdef WIN32
#include "util/rswin.h"
#endif

#include <vector>
#include "retroshare/rsexpr.h"
#include "retroshare/rstypes.h"
#include "retroshare/rsfiles.h"

#include "ft/ftserver.h"

#include "ft/ftextralist.h"
#include "ft/ftdatamultiplex.h"
#include "ft/ftfilesearch.h"

#include "pqi/p3linkmgr.h"
#include "pqi/p3peermgr.h"
#include "pqi/p3netmgr.h"

#include "util/rsdebug.h"
#include "util/utest.h"
#include "common/testutils.h"
#include "retroshare/rsiface.h"

#include "pqitestor.h"
#include "util/rsdir.h"
#include "util/utest.h"


#include <sstream>


class TestData
{
	public:

	ftServer *loadServer;
	std::list<ftServer *> otherServers;
	std::list<std::string> extraList;
};


extern "C" void *do_server_test_thread(void *p);


void usage(char *name)
{
	std::cerr << "Usage: " << name << " [-soa] [-p <peerId>] [-d <debugLvl>] [-e <extrafile>] [<path> [<path2> ... ]] ";
	std::cerr << std::endl;
}
	
int main(int argc, char **argv)
{
        int c;
        uint32_t period = 1;
        uint32_t debugLevel = 5;
	bool debugStderr = true;
	bool loadAll = false;
	bool loadOthers = false;

        std::list<SharedDirInfo> fileList;
        std::list<std::string> extraList;
	std::list<std::string> peerIds;
	std::map<std::string, ftServer *> mFtServers;
	std::map<std::string, p3LinkMgrIMPL *> mLinkMgrs;

	ftServer *mLoadServer = NULL;
	std::list<ftServer *> mOtherServers;
        std::list<std::string>::iterator eit;

#ifdef PTW32_STATIC_LIB
         pthread_win32_process_attach_np();
#endif   

#ifdef WIN32
        // Windows Networking Init.
        WORD wVerReq = MAKEWORD(2,2);
        WSADATA wsaData;

        if (0 != WSAStartup(wVerReq, &wsaData))
        {
                std::cerr << "Failed to Startup Windows Networking";
                std::cerr << std::endl;
        }
        else
        {
                std::cerr << "Started Windows Networking";
                std::cerr << std::endl;
        }

#endif


        while(-1 != (c = getopt(argc, argv, "aosd:p:e:")))
        {
                switch (c)
                {
                case 'p':
                        peerIds.push_back(optarg);
                        break;
                case 'd':
                        debugLevel = atoi(optarg);
                        break;
                case 's':
                        debugStderr = true;
                        break;
                case 'e':
                        extraList.push_back(optarg);
                        break;
                case 'a':
                        loadAll = true;
                        break;
                case 'o':
                        loadOthers = true;
                        break;
                default:
                        usage(argv[0]);
                        break;
                }
        }

	/* do logging */
  	setOutputLevel(debugLevel);

	if (optind >= argc)
	{
		std::cerr << "Missing Shared Directories" << std::endl;
		usage(argv[0]);
	}

	for(; optind < argc; optind++)
	{
		std::cerr << "Adding: " << argv[optind] << std::endl;

		SharedDirInfo info ;
		info.filename = std::string(argv[optind]);
		info.virtualname = info.filename ;
		info.shareflags = DIR_FLAGS_PERMISSIONS_MASK;

		fileList.push_back(info) ;
	}
	std::cerr << "Point 2" << std::endl;

	std::string ssl_own_id = TestUtils::createRandomSSLId() ;
	std::string gpg_own_id = TestUtils::createRandomPGPId() ;

	TestUtils::DummyAuthGPG fakeGPG(gpg_own_id) ;
	AuthGPG::setAuthGPG_debug(&fakeGPG) ;

	TestUtils::DummyAuthSSL fakeSSL(ssl_own_id) ;
	AuthSSL::setAuthSSL_debug(&fakeSSL) ;

	/* We need to setup a series 2 - 4 different ftServers....
	 *
	 * Each one needs:
	 *
	 *
	 * A List of peerIds...
	 */

	std::list<std::string>::const_iterator it, jit;

	std::list<RsPeerDetails> baseFriendList, friendList;
	std::list<RsPeerDetails>::iterator fit;

	/* Add in Serialiser Test
	 */
        RsSerialiser *rss = new RsSerialiser();
        rss->addSerialType(new RsFileItemSerialiser());
        rss->addSerialType(new RsCacheItemSerialiser());
        rss->addSerialType(new RsServiceSerialiser());

	P3Hub *testHub = new P3Hub(0, rss);
	testHub->start();

	/* Setup Base Friend Info */
	for(it = peerIds.begin(); it != peerIds.end(); it++)
	{
		RsPeerDetails pad;
		pad.id = *it;
		pad.gpg_id = TestUtils::createRandomPGPId() ;
		pad.name = *it;
		pad.trustLvl = 5;
		pad.ownsign = true;
		//pad.trusted = false;

		baseFriendList.push_back(pad);

		std::cerr << "ftserver1test::setup peer: " << *it << std::endl;
	}

	std::ostringstream pname;
	pname << "/tmp/rstst-" << time(NULL);

	std::string basepath = pname.str();
	RsDirUtil::checkCreateDirectory(basepath);



	for(it = peerIds.begin(); it != peerIds.end(); it++)
	{
		friendList = baseFriendList;
		/* remove current one */
		for(fit = friendList.begin(); fit != friendList.end(); fit++)
		{
			if (fit->id == *it)
			{
				friendList.erase(fit);
				break;
			}
		}

		//p3AuthMgr *authMgr = new p3DummyAuthMgr(*it, friendList);
		p3PeerMgrIMPL *peerMgr = new p3PeerMgrIMPL(ssl_own_id,gpg_own_id,"My GPG name","My SSL location");

		p3NetMgrIMPL *netMgr = new p3NetMgrIMPL ;
		p3LinkMgrIMPL *linkMgr = new p3LinkMgrIMPL(peerMgr,netMgr);
		mLinkMgrs[*it] = linkMgr;

		rsPeers = new TestUtils::DummyRsPeers(linkMgr,peerMgr,netMgr) ;

		for(fit = friendList.begin(); fit != friendList.end(); fit++)
		{
			/* add as peer to authMgr */
			peerMgr->addFriend(fit->id,fit->gpg_id);
		}

		P3Pipe *pipe = new P3Pipe(); //(*it);

		/* add server */
		ftServer *server;
		server = new ftServer(peerMgr,linkMgr);
		mFtServers[*it] = server;
		bool isOther;
		if (!mLoadServer)
		{
			mLoadServer = server;
			isOther = false;
		}
		else
		{
			mOtherServers.push_back(server);
			isOther = true;
		}


		server->setP3Interface(pipe);

		std::string configpath = basepath + "/" + *it;
		RsDirUtil::checkCreateDirectory(configpath);

		std::string cachepath = configpath + "/cache";
		RsDirUtil::checkCreateDirectory(cachepath);

                std::string partialspath = configpath + "/partials";
                RsDirUtil::checkCreateDirectory(partialspath);

                std::string downloadpath = configpath + "/downloads";
                RsDirUtil::checkCreateDirectory(downloadpath);

		std::string localpath = cachepath + "/local";
		RsDirUtil::checkCreateDirectory(localpath);
		
		std::string remotepath = cachepath + "/remote";
		RsDirUtil::checkCreateDirectory(remotepath);

		server->setConfigDirectory(configpath);

                //sleep(60);

		NotifyBase *base = new NotifyBase;
		server->SetupFtServer(base);

		testHub->addP3Pipe(*it, pipe, linkMgr);
		server->StartupThreads();

		/* setup any extra bits */
                server->setPartialsDirectory(partialspath);
                server->setDownloadDirectory(downloadpath);

		if ((loadAll) || (isOther && loadOthers))
		{
			server->setSharedDirectories(fileList);
			for(eit = extraList.begin(); eit != extraList.end(); eit++)
			{
				server->ExtraFileHash(*eit, 3600, TransferRequestFlags(0));
			}
		}

	}

	if ((mLoadServer) && (!loadOthers))
	{
		mLoadServer->setSharedDirectories(fileList);
		for(eit = extraList.begin(); eit != extraList.end(); eit++)
		{
			mLoadServer->ExtraFileHash(*eit, 3600, TransferRequestFlags(0));
		}
	}
		

	/* stick your real test here */
	std::map<std::string, ftServer *>::iterator sit;
	std::map<std::string, p3LinkMgrIMPL *>::iterator cit;

	/* Start up test thread */
	pthread_t tid;
	TestData *mFt = new TestData;

	/* set data */
	mFt->loadServer = mLoadServer;
	mFt->otherServers = mOtherServers;
	mFt->extraList = extraList;

        void *data = (void *) mFt;
	pthread_create(&tid, 0, &do_server_test_thread, data);
	pthread_detach(tid); /* so memory is reclaimed in linux */

	while(1)
	{
		//std::cerr << "ftserver3test::sleep()";
		//std::cerr << std::endl;
		sleep(1);

		/* tick the connmgrs */
		for(sit = mFtServers.begin(); sit != mFtServers.end(); sit++)
		{
			/* update */
			(sit->second)->tick();
		}

		for(cit = mLinkMgrs.begin(); cit != mLinkMgrs.end(); cit++)
		{
			/* update */
			(cit->second)->tick();
		}
	}
}

/* So our actual test can run here.....
 *
 */

INITTEST();

void *do_server_test_thread(void *data)
{
	TestData *mFt = (TestData *) data;
	rstime_t startTS = time(NULL);

	std::cerr << "do_server_test_thread() running";
	std::cerr << std::endl;

	/* search Others for a suitable file 
	 * (Tests GUI search functionality)
	 */
	if (mFt->otherServers.size() < 1)
	{
		std::cerr << "no Other Servers to search on";
		std::cerr << std::endl;
		exit(1);
		return NULL;
	}


	for(int i = 0; i < 90; i++)
	{
		int age = time(NULL) - startTS;
		std::cerr << "Waited " << age << " seconds to share caches";
		std::cerr << std::endl;
		sleep(1);
	}

	ftServer *oServer = *(mFt->otherServers.begin());
	std::string oId = oServer->OwnId();

	/* create Expression */
	uint64_t minFileSize = 1000;
	SizeExpression se(Greater, minFileSize);
	//SizeExpression se(Smaller, minFileSize);
	Expression *expr = &se;

	std::list<DirDetails> results;
	std::list<DirDetails>::iterator it;

	oServer->SearchBoolExp(expr, results, RS_FILE_HINTS_NETWORK_WIDE | RS_FILE_HINTS_BROWSABLE);

	if (results.size() < 1)
	{
		std::cerr << "no Shared Files > " << minFileSize;
		std::cerr << std::endl;
		exit(1);
		return NULL;
	}

	/* find the first remote entry */
	DirDetails sFile;
	bool foundFile = false;
	for(it = results.begin(); (it != results.end()); it++)
	{
		std::cerr << "Shared File: " << it->name;
		std::cerr << std::endl;

		if (!foundFile) 
		{
			if (it->id != mFt->loadServer->OwnId())
			{
				std::cerr << "Selected: " << it->name;
				std::cerr << std::endl;
				foundFile = true;
				sFile = *it;
			}
			else
			{
				std::cerr << "LoadId: ";
				std::cerr << mFt->loadServer->OwnId();
				std::cerr << "FileId: ";
				std::cerr << it->id;
				std::cerr << std::endl;
			}
		}
	}
	
	if (!foundFile)
	{
		std::cerr << "Not Found Suitable File";
		std::cerr << std::endl;
	}


	/*** Now Download it! ***/
	std::list<std::string> srcIds;
	//srcIds.push_back(sFile.id);
	// Don't add srcId - to test whether the search works - or not
	//srcIds.push_back(oId);
	if (foundFile)
	{
		mFt->loadServer->FileRequest(sFile.name, sFile.hash, sFile.count, "", TransferRequestFlags(0), srcIds);
	}

	/* Give it a while to transfer */
	for(int i = 0; i < 100; i++)
	{
		int age = time(NULL) - startTS;
		std::cerr << "Waited " << age << " seconds for tranfer";
		std::cerr << std::endl;
		sleep(1);
	}

	FINALREPORT("Shared Directories, Bool Search, multi-source transfers");
	exit(1);
}