// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
// Copyright (c) 2006-2011, Knut Reinert, FU Berlin
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of Knut Reinert or the FU Berlin nor the names of
//       its contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// DAMAGE.
//
// ==========================================================================
// Author: Hannes Hauswedell <hauswedell@mi.fu-berlin.de>
// ==========================================================================
// Very simple benchmarking tool for stream writing
// ==========================================================================

#include <cstdio>
#include <fstream>
#if SEQAN_HAS_ZLIB
#include <zlib.h>
#endif  // #if SEQAN_HAS_ZLIB
#if SEQAN_HAS_BZIP2
#include <bzlib.h>
#endif  // #if SEQAN_HAS_BZIP2

#include <seqan/basic.h>
#include <seqan/file.h>
#include <seqan/stream.h>
#include <seqan/sequence.h>
#include <seqan/misc/misc_cmdparser.h>

const int MB = 1024*1024;

using namespace seqan;

template <typename TMetas, typename TSeqs>
void constructFastaStrings(TMetas & metas, TSeqs & seqs)
{
    resize(metas, 4);
    resize(seqs, 4);

    reserve(seqs[0], MB);
    metas[0] = "1MB of as";
    for (int i = 0; i< MB; ++i)
        appendValue(seqs[0], 'a');

    reserve(seqs[1], 32*MB);
    metas[1] = "32MB of as";
    for (int i = 0; i< 32*MB; ++i)
        appendValue(seqs[1], 'c');

    reserve(seqs[2], 256*MB);
    metas[2] = "256MB of gs";
    for (int i = 0; i< 256*MB; ++i)
        appendValue(seqs[2], 'g');

    reserve(seqs[3], 512*MB);
    metas[3] = "512MB of ts";
    for (int i = 0; i< 512*MB; ++i)
        appendValue(seqs[3], 't');
}

template <typename TMetas, typename TSeqs>
void doIt(TMetas const & metas, TSeqs const & seqs)
{
    double before = 0;
    double after = 0;
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);

        std::fstream file(filenameBuffer, std::ios_base::in | std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
        SEQAN_ASSERT(file.is_open());

        before = sysTime();
        std::cerr << "Writing with new IO (no linebreaks, fstream) .... " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(file, metas[i], seqs[i], Fasta(), 0);
        file.close();
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);

        String<char, MMap<> > mmapString;
        open(mmapString, filenameBuffer);

        before = sysTime();
        std::cerr << "Writing with new IO (no linebreaks, MMAP) .... " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(mmapString, metas[i], seqs[i], Fasta(), 0);
        close(mmapString);
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);
        FILE * file = fopen(filenameBuffer, "wb+");

        before = sysTime();
        std::cerr << "Writing with new IO (no linebreaks,  cstdio) .... " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(file, metas[i], seqs[i], Fasta(), 0);
        fclose(file);
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);

        std::fstream file(filenameBuffer, std::ios_base::in | std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
        SEQAN_ASSERT(file.is_open());

        before = sysTime();
        std::cerr << "Writing with new IO (with linebreaks, fstream) .... " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(file, metas[i], seqs[i], Fasta(), LINEBREAKS);
        file.close();
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);

        String<char, MMap<> > mmapString;
        open(mmapString, filenameBuffer);

        before = sysTime();
        std::cerr << "Writing with new IO (with linebreaks, MMAP) .... to " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(mmapString, metas[i], seqs[i], Fasta(), LINEBREAKS);
        close(mmapString);
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);
        FILE * file = fopen(filenameBuffer, "wb+");

        before = sysTime();
        std::cerr << "Writing with new IO (with linebreaks, cstdio) .... " << std::flush;
        for (int i = 0; i < 4; ++i)
            writeRecord(file, metas[i], seqs[i], Fasta(), LINEBREAKS);
        fclose(file);
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
    {
        CharString tempFilename = SEQAN_TEMP_FILENAME();
        char filenameBuffer[1000];
        strncpy(filenameBuffer, toCString(tempFilename), 999);

        std::fstream file(filenameBuffer, std::ios_base::in | std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
        SEQAN_ASSERT(file.is_open());

        before = sysTime();
        std::cerr << "Writing with old IO.... to " << std::flush;
        for (int i = 0; i < 4; ++i)
            write(file, seqs[i], metas[i], Fasta());
        file.close();
        after = sysTime();
        std::cerr << "completed in " << after - before << "s\n"<< std::flush;
        unlink(filenameBuffer);
    }
}
int main(int argc, char const ** argv)
{
    (void)argc;
    (void)argv;

    {
        std::cerr << "START\n -- using CharStrings\n" << std::flush;
        StringSet<CharString> metas;
        StringSet<CharString> seqs;

        double before = sysTime();
        std::cerr << "Constructing Strings ...." << std::flush;
        constructFastaStrings(metas, seqs);
        double after = sysTime();
        std::cerr << "completed in " << after - before << "s\n" << std::flush;

        for (int i= 0; i < 5; ++i)
        {
            std::cerr << "RUN No"<< i << "\n" << std::flush;
            doIt(metas, seqs);
        }
    }
    {
        std::cerr << "START\n -- using DnaStrings\n" << std::flush;
        StringSet<CharString> metas;
        StringSet<DnaString> seqs;

        double before = sysTime();
        std::cerr << "Constructing Strings ...." << std::flush;
        constructFastaStrings(metas, seqs);
        double after = sysTime();
        std::cerr << "completed in " << after - before << "s\n" << std::flush;

        for (int i= 0; i < 5; ++i)
        {
            std::cerr << "RUN No"<< i << "\n" << std::flush;
            doIt(metas, seqs);
        }
    }
    return 0;
}