#include <iostream>
#include <fstream>
#include <string>
#include <cerrno>
#include "SL_Generated.h"

int cores = 0;
string fileName = "../../INPUT/irrational.tm";
string flag = "tape";
string fileContents = "";

using namespace std;

std::string get_file_contents(const char *filename);

int main( int argc, char** argv )
{
    if(argc >= 2)
    {
        fileName = argv[1];
    }

    if(argc >= 3)
    {
        flag = argv[2];
    }

    if(argc >= 4)
    {
        cores = atoi(argv[3]);
    }

    int flagDims[] = { flag.length(), 0};
    Sequence<char> flagSeq((void*)(flag.c_str()), flagDims);

    fileContents = get_file_contents(fileName.c_str());
    int inputDims[] = { fileContents.length(), 0};
    Sequence<char> input((void*)(fileContents.c_str()), inputDims);

    Sequence<char> result;

    sl_init(cores);

    sl_RunMachine(input, flagSeq, cores, result);

    cout<<result<<endl;

    sl_done();

    return 0;
}

std::string get_file_contents(const char *filename)
{
  std::ifstream in(filename, std::ios::in | std::ios::binary);
  if (in)
  {
    std::string contents;
    in.seekg(0, std::ios::end);
    contents.resize(in.tellg());
    in.seekg(0, std::ios::beg);
    in.read(&contents[0], contents.size());
    in.close();
    return(contents);
  }
  throw(errno);
}