#include "globalFunctions.h"
#include "resources.h"
#include <wx/msgdlg.h>
#include <wx/file.h>


inline
int globalFunctions::round(const double d)
{
    return static_cast<int>(d<0?d-.5:d+.5);
}


string globalFunctions::numberToString(const unsigned int number)
{
    char result[100];
    sprintf(result, "%u", number);
    return string(result);
}


string globalFunctions::numberToString(const int number)
{
    char result[100];
    sprintf(result, "%d", number);
    return string(result);
}


string globalFunctions::numberToString(const float number)
{
    char result[100];
    sprintf(result, "%f", number);
    return string(result);
}


wxString globalFunctions::numberToWxString(const unsigned int number)
{
    return wxString::Format(wxT("%u"), number);
}


wxString globalFunctions::numberToWxString(const int number)
{
    return wxString::Format(wxT("%i"), number);
}


wxString globalFunctions::numberToWxString(const float number)
{
    return wxString::Format(wxT("%f"), number);
}


int globalFunctions::stringToInt(const string& number)
{
    return atoi(number.c_str());
}


inline
double globalFunctions::stringToDouble(const string& number)
{
    return atof(number.c_str());
}


inline
int globalFunctions::wxStringToInt(const wxString& number)
{
    long result = 0;
    if (number.ToLong(&result))
        return result;
    else
        throw RuntimeException(_("Error when converting wxString to long"));
}


inline
double globalFunctions::wxStringToDouble(const wxString& number)
{
    double result = 0;
    if (number.ToDouble(&result))
        return result;
    else
        throw RuntimeException(_("Error when converting wxString to double"));
}


wxString& globalFunctions::includeNumberSeparator(wxString& number)
{
    for (int i = number.size() - 3; i > 0; i-= 3)
        number.insert(i, GlobalResources::thousandsSeparator);
    return number;
}


int globalFunctions::readInt(ifstream& stream)
{
    int result = 0;
    char* buffer = reinterpret_cast<char*>(&result);
    stream.read(buffer, sizeof(int));
    return result;
}


void globalFunctions::writeInt(ofstream& stream, const int number)
{
    const char* buffer = reinterpret_cast<const char*>(&number);
    stream.write(buffer, sizeof(int));
}


int globalFunctions::readInt(wxInputStream& stream)
{
    int result = 0;
    char* buffer = reinterpret_cast<char*>(&result);
    stream.Read(buffer, sizeof(int));
    return result;
}


void globalFunctions::writeInt(wxOutputStream& stream, const int number)
{
    const char* buffer = reinterpret_cast<const char*>(&number);
    stream.Write(buffer, sizeof(int));
}


//############################################################################
Performance::Performance() :
        resultWasShown(false)
{
    timer.Start();
}


Performance::~Performance()
{
    if (!resultWasShown)
        showResult();
}


void Performance::showResult()
{
    resultWasShown = true;
    wxMessageBox(globalFunctions::numberToWxString(unsigned(timer.Time())) + wxT(" ms"));
    timer.Start(); //reset timer
}


//############################################################################
DebugLog::DebugLog() :
        lineCount(0),
        logFile(NULL)
{
    logFile = new wxFile;
    logfileName = assembleFileName();
    logFile->Open(logfileName.c_str(), wxFile::write);
}


DebugLog::~DebugLog()
{
    delete logFile; //automatically closes file handle
}


wxString DebugLog::assembleFileName()
{
    wxString tmp = wxDateTime::Now().FormatISOTime();
    tmp.Replace(wxT(":"), wxEmptyString);
    return wxString(wxT("DEBUG_")) + wxDateTime::Now().FormatISODate() + wxChar('_') + tmp + wxT(".log");
}


void DebugLog::write(const wxString& logText)
{
    ++lineCount;
    if (lineCount % 10000 == 0) //prevent logfile from becoming too big
    {
        logFile->Close();
        wxRemoveFile(logfileName);

        logfileName = assembleFileName();
        logFile->Open(logfileName.c_str(), wxFile::write);
    }

    logFile->Write(wxString(wxT("[")) + wxDateTime::Now().FormatTime() + wxT("] "));
    logFile->Write(logText + wxChar('\n'));
}

//DebugLog logDebugInfo;


wxString getCodeLocation(const wxString file, const int line)
{
    return wxString(file).AfterLast(GlobalResources::fileNameSeparator) + wxT(", LINE ") + globalFunctions::numberToWxString(line) + wxT(" | ");
}