// SPDX-License-Identifier: GPL-3.0-or-later
//
// This file is part of CProof.
// See LICENSE for the full GPLv3 text and the special OpenSSL linking exception.

#include "config.h"

#include "bench_csv.h"

#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>

#include <glib.h>

#include "common.h"

static char*
_csv_clean(const char* in)
{
    if (!in)
        return g_strdup("");
    GString* s = g_string_sized_new(strlen(in));
    for (const char* p = in; *p; p++) {
        if (*p == ',' || *p == '\n' || *p == '\r')
            g_string_append_c(s, ' ');
        else
            g_string_append_c(s, *p);
    }
    return g_string_free(s, FALSE);
}

void
bench_csv_append(const char* path,
                 const char* scenario,
                 const char* volume,
                 uint64_t bytes,
                 uint64_t lines,
                 double wall_ms,
                 long peak_rss_kb,
                 const char* note)
{
    if (!path)
        return;
    struct stat st;
    int fresh = (stat(path, &st) != 0 || st.st_size == 0);
    FILE* fp = fopen(path, "a");
    if (!fp)
        return;
    if (fresh) {
        fprintf(fp, "scenario,volume,bytes,lines,wall_ms,peak_rss_kb,note\n");
    }
    auto_gchar gchar* sc = _csv_clean(scenario);
    auto_gchar gchar* vol = _csv_clean(volume);
    auto_gchar gchar* nt = _csv_clean(note);
    fprintf(fp, "%s,%s,%" G_GUINT64_FORMAT ",%" G_GUINT64_FORMAT ",%.3f,%ld,%s\n",
            sc, vol, bytes, lines, wall_ms, peak_rss_kb, nt);
    fclose(fp);
}