/*
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
*/

#include "stdafx.h"
#include "Logs.h"

#include "Globals.h"
#include "winheaders.h"
#include "utilities.h"
#include "uilayer.h"
#include <deque>

std::ofstream output; // standardowy "log.txt", można go wyłączyć
std::ofstream errors; // lista błędów "errors.txt", zawsze działa
std::ofstream comms; // lista komunikatow "comms.txt", można go wyłączyć
char logbuffer[ 256 ];

char endstring[10] = "\n";

std::deque<std::string> log_scrollback;

std::string filename_date() {
    ::SYSTEMTIME st;

#ifdef __unix__
    timespec ts;
    clock_gettime(CLOCK_REALTIME, &ts);
    tm *tms = localtime(&ts.tv_sec);
    st.wYear = tms->tm_year;
    st.wMonth = tms->tm_mon;
    st.wDayOfWeek = tms->tm_wday;
    st.wDay = tms->tm_mday;
    st.wHour = tms->tm_hour;
    st.wMinute = tms->tm_min;
    st.wSecond = tms->tm_sec;
    st.wMilliseconds = ts.tv_nsec / 1000000;
#elif _WIN32
    ::GetLocalTime( &st );
#endif

    std::snprintf(
        logbuffer,
        sizeof(logbuffer),
	    "%d%02d%02d_%02d%02d%03d",
        st.wYear,
        st.wMonth,
        st.wDay,
        st.wHour,
	    st.wMinute,
	    st.wMilliseconds);

    return std::string( logbuffer );
}

std::string filename_scenery() {

    auto extension = Global.SceneryFile.rfind( '.' );
    if( extension != std::string::npos ) {
        return Global.SceneryFile.substr( 0, extension );
    }
    else {
        return Global.SceneryFile;
    }
}

// log service stacks
std::deque<char *> InfoStack;
std::deque<char *> ErrorStack;


void LogService()
{
    while (true)
    {
		if (InfoStack.empty() && ErrorStack.empty() && Global.applicationQuitOrder)
			break;
        // loop for logging

        // write logs and log.txt
        while (!InfoStack.empty())
        {
			char *msg = InfoStack.front(); // get first element of stack
			InfoStack.pop_front();
			if (Global.iWriteLogEnabled & 1)
			{
				if (!output.is_open())
				{

					std::string const filename = (Global.MultipleLogs ? "logs/log (" + filename_scenery() + ") " + filename_date() + ".txt" : "log.txt");
					output.open(filename, std::ios::trunc);
				}
				output << msg << "\n";
				output.flush();
			}

			log_scrollback.emplace_back(std::string(msg));
			if (log_scrollback.size() > 200)
				log_scrollback.pop_front();

			if (Global.iWriteLogEnabled & 2)
			{
#ifdef _WIN32
				// hunter-271211: pisanie do konsoli tylko, gdy nie jest ukrywana
				SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | FOREGROUND_INTENSITY);
				DWORD wr = 0;
				WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), msg, (DWORD)strlen(msg), &wr, NULL);
				WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), endstring, (DWORD)strlen(endstring), &wr, NULL);
#else
				printf("%s\n", msg);
#endif
			}
        } 
        
        // write to errors.txt
        while (!ErrorStack.empty())
        {
			char *msg = ErrorStack.front();
			ErrorStack.pop_front();

			if (!(Global.iWriteLogEnabled & 1))
				return;

			if (!errors.is_open())
			{

				std::string const filename = (Global.MultipleLogs ? "logs/errors (" + filename_scenery() + ") " + filename_date() + ".txt" : "errors.txt");
				errors.open(filename, std::ios::trunc);
				errors << "EU07.EXE " + Global.asVersion << "\n";
			}

			errors << msg << "\n";
			errors.flush();
        }
		std::this_thread::sleep_for(std::chrono::milliseconds(5)); // dont burn cpu so much
    }
}

void WriteLog( const char *str, logtype const Type ) {

    if( str == nullptr ) { return; }
    if( true == TestFlag( Global.DisabledLogTypes, static_cast<unsigned int>( Type ) ) ) { return; }
	InfoStack.emplace_back(strdup(str));
}

void ErrorLog( const char *str, logtype const Type ) {

    if( str == nullptr ) { return; }
    if( true == TestFlag( Global.DisabledLogTypes, static_cast<unsigned int>( Type ) ) ) { return; }
	ErrorStack.emplace_back(strdup(str));
};

void Error(const std::string &asMessage, bool box)
{
    // if (box)
    //	MessageBox(NULL, asMessage.c_str(), string("EU07 " + Global.asRelease).c_str(), MB_OK);
    ErrorLog(asMessage.c_str());
}

void Error(const char *&asMessage, bool box)
{
    // if (box)
    //	MessageBox(NULL, asMessage, string("EU07 " + Global.asRelease).c_str(), MB_OK);
    ErrorLog(asMessage);
    WriteLog(asMessage);
}

void ErrorLog(const std::string &str, logtype const Type )
{
    ErrorLog( str.c_str(), Type );
    WriteLog( str.c_str(), Type );
}

void WriteLog(const std::string &str, logtype const Type )
{ // Ra: wersja z AnsiString jest zamienna z Error()
    WriteLog( str.c_str(), Type );
};

void CommLog(const char *str)
{ // Ra: warunkowa rejestracja komunikatów
    WriteLog(str);
    /*    if (Global.iWriteLogEnabled & 4)
    {
    if (!comms.is_open())
    {
    comms.open("comms.txt", std::ios::trunc);
    comms << AnsiString("EU07.EXE " + Global.asRelease).c_str() << "\n";
    }
    if (str)
    comms << str;
    comms << "\n";
    comms.flush();
    }*/
};

void CommLog(const std::string &str)
{ // Ra: wersja z AnsiString jest zamienna z Error()
    WriteLog(str);
};

//---------------------------------------------------------------------------