/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */

#include <base/system.h>

#include <engine/console.h>
#include <engine/engine.h>
#include <engine/storage.h>
#include <engine/shared/config.h>
#include <engine/shared/network.h>


static int HostLookupThread(void *pUser)
{
	CHostLookup *pLookup = (CHostLookup *)pUser;
	return net_host_lookup(pLookup->m_aHostname, &pLookup->m_Addr, pLookup->m_Nettype);
}

class CEngine : public IEngine
{
public:
	IConsole *m_pConsole;
	IStorage *m_pStorage;
	bool m_Logging;

	static void Con_DbgDumpmem(IConsole::IResult *pResult, void *pUserData)
	{
		CEngine *pEngine = static_cast<CEngine *>(pUserData);
		char aBuf[32];
		str_timestamp(aBuf, sizeof(aBuf));
		char aFilename[128];
		str_format(aFilename, sizeof(aFilename), "dumps/memory_%s.txt", aBuf);
		mem_debug_dump(pEngine->m_pStorage->OpenFile(aFilename, IOFLAG_WRITE, IStorage::TYPE_SAVE));
	}

	static void Con_DbgLognetwork(IConsole::IResult *pResult, void *pUserData)
	{
		CEngine *pEngine = static_cast<CEngine *>(pUserData);

		if(pEngine->m_Logging)
		{
			CNetBase::CloseLog();
			pEngine->m_Logging = false;
		}
		else
		{
			char aBuf[32];
			str_timestamp(aBuf, sizeof(aBuf));
			char aFilenameSent[128], aFilenameRecv[128];
			str_format(aFilenameSent, sizeof(aFilenameSent), "dumps/network_sent_%s.txt", aBuf);
			str_format(aFilenameRecv, sizeof(aFilenameRecv), "dumps/network_recv_%s.txt", aBuf);
			CNetBase::OpenLog(pEngine->m_pStorage->OpenFile(aFilenameSent, IOFLAG_WRITE, IStorage::TYPE_SAVE),
								pEngine->m_pStorage->OpenFile(aFilenameRecv, IOFLAG_WRITE, IStorage::TYPE_SAVE));
			pEngine->m_Logging = true;
		}
	}

	CEngine(const char *pAppname)
	{
		dbg_logger_stdout();
		dbg_logger_debugger();

		//
		dbg_msg("engine", "running on %s-%s-%s", CONF_FAMILY_STRING, CONF_PLATFORM_STRING, CONF_ARCH_STRING);
	#ifdef CONF_ARCH_ENDIAN_LITTLE
		dbg_msg("engine", "arch is little endian");
	#elif defined(CONF_ARCH_ENDIAN_BIG)
		dbg_msg("engine", "arch is big endian");
	#else
		dbg_msg("engine", "unknown endian");
	#endif

		// init the network
		net_init();
		CNetBase::Init();

		m_JobPool.Init(1);

		m_Logging = false;
	}

	void Init()
	{
		m_pConsole = Kernel()->RequestInterface<IConsole>();
		m_pStorage = Kernel()->RequestInterface<IStorage>();

		if(!m_pConsole || !m_pStorage)
			return;

		m_pConsole->Register("dbg_dumpmem", "", CFGFLAG_SERVER|CFGFLAG_CLIENT, Con_DbgDumpmem, this, "Dump the memory");
		m_pConsole->Register("dbg_lognetwork", "", CFGFLAG_SERVER|CFGFLAG_CLIENT, Con_DbgLognetwork, this, "Log the network");
	}

	void InitLogfile()
	{
		// open logfile if needed
		if(g_Config.m_Logfile[0])
			dbg_logger_file(g_Config.m_Logfile);
	}

	void HostLookup(CHostLookup *pLookup, const char *pHostname, int Nettype)
	{
		str_copy(pLookup->m_aHostname, pHostname, sizeof(pLookup->m_aHostname));
		pLookup->m_Nettype = Nettype;
		AddJob(&pLookup->m_Job, HostLookupThread, pLookup);
	}

	void AddJob(CJob *pJob, JOBFUNC pfnFunc, void *pData)
	{
		if(g_Config.m_Debug)
			dbg_msg("engine", "job added");
		m_JobPool.Add(pJob, pfnFunc, pData);
	}
};

IEngine *CreateEngine(const char *pAppname) { return new CEngine(pAppname); }
