#include "../support/float_qi.hpp"
#include "../support/float_karma.hpp"
#include <boost/spirit/include/karma.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/qi_binary.hpp>
#include <boost/spirit/include/support_multi_pass.hpp>
#include <iostream>
#include <iterator>
#include <fstream>
#include <climits>

template<typename Iterator>
struct float_parser: boost::spirit::qi::grammar<Iterator>
{
    float_parser(): float_parser::base_type(start)
    {
        using boost::spirit::byte_;
        using boost::spirit::bin_float;
        using boost::spirit::big_bin_float;
        using boost::spirit::little_bin_float;
        using boost::spirit::bin_double;
        using boost::spirit::big_bin_double;
        using boost::spirit::little_bin_double;

        start =
            (
                bin_float(1.0f) >> big_bin_float(1.0f) >>
                    little_bin_float(1.0f) >> bin_double(1.0) >>
                    big_bin_double(1.0) >> little_bin_double(1.0)
            )
        ;
    }

    boost::spirit::qi::rule<Iterator> start;
};

template<typename OutputIterator>
struct float_generator: boost::spirit::karma::grammar<OutputIterator>
{
    float_generator(): float_generator::base_type(start)
    {
        using boost::spirit::byte_;
        using boost::spirit::bin_float;
        using boost::spirit::big_bin_float;
        using boost::spirit::little_bin_float;
        using boost::spirit::bin_double;
        using boost::spirit::big_bin_double;
        using boost::spirit::little_bin_double;

        start =
            (
                bin_float(1.0f) << big_bin_float(1.0f) <<
                    little_bin_float(1.0f) << bin_double(1.0) <<
                    big_bin_double(1.0) << little_bin_double(1.0)
            )
        ;
    }

    boost::spirit::karma::rule<OutputIterator> start;
};


int main()
{
    std::ofstream out("float.bin", std::ios::binary | std::ios::trunc);
    if(!out)
    {
        std::cerr << "Failed to open output file\n";
        return 1;
    }

    typedef std::ostream_iterator<char> iterator;
    typedef float_generator<iterator> float_generator;
    float_generator fg;

    bool result = boost::spirit::karma::generate(iterator(out), fg);

    out.close();

    if(!result)
    {
        std::cerr << "Failed to generate\n";
        return 1;
    }

    std::ifstream in("float.bin", std::ios::binary);
    if(!in)
    {
        std::cerr << "Failed to open input file\n";
        return 1;
    }

    namespace spirit = boost::spirit;

    typedef std::istreambuf_iterator<char> base_iterator_type;
    spirit::multi_pass<base_iterator_type> first =
        spirit::make_default_multi_pass(base_iterator_type(in));
    spirit::multi_pass<base_iterator_type> last =
        spirit::make_default_multi_pass(base_iterator_type());

    typedef float_parser<spirit::multi_pass<
        base_iterator_type> > float_parser;
    float_parser fp;

    bool result2 = parse(first, last, fp);

    in.close();

    if(!result2 || first != last)
    {
        std::cerr << "Failed to parse\n";
        return 1;
    }

    return 0;
}