/*
     This file is part of GNUnet.
     (C)

     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 3, or (at your
     option) any later version.

     GNUnet is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/
/**
 * @file peerstore/test_peerstore_api_store.c
 * @brief testcase for peerstore store operation
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_peerstore_service.h"

static int ok = 1;

static struct GNUNET_PEERSTORE_Handle *h;

static char *subsystem = "test_peerstore_api_store";
static struct GNUNET_PeerIdentity pid;
static char *key = "test_peerstore_api_store_key";
static char *val1 = "test_peerstore_api_store_val1";
static char *val2 = "test_peerstore_api_store_val2-";
static char *val3 = "test_peerstore_api_store_val3--";

int count = 0;

int test3_cont2(void *cls,
    struct GNUNET_PEERSTORE_Record *record,
    char *emsg)
{
  if(NULL != emsg)
    return GNUNET_NO;
  if(NULL != record)
  {
    GNUNET_assert((strlen(val3) + 1) == record->value_size);
    GNUNET_assert(0 == strcmp((char *)val3, (char *)record->value));
    count++;
    return GNUNET_YES;
  }
  GNUNET_assert(count == 1);
  ok = 0;
  GNUNET_PEERSTORE_disconnect(h);
  GNUNET_SCHEDULER_shutdown();
  return GNUNET_YES;
}

static void
test3_cont(void *cls, int success)
{
  if(GNUNET_YES != success)
    return;
  count = 0;
  GNUNET_PEERSTORE_iterate(h,
      subsystem,
      &pid,
      key,
      GNUNET_TIME_UNIT_SECONDS,
      &test3_cont2,
      NULL);
}

/**
 * Replace the previous 2 records
 */
static void
test3()
{
  GNUNET_PEERSTORE_store(h,
      subsystem,
      &pid,
      key,
      val3,
      strlen(val3) + 1,
      GNUNET_TIME_UNIT_FOREVER_ABS,
      GNUNET_PEERSTORE_STOREOPTION_REPLACE,
      &test3_cont,
      NULL);
}

int test2_cont2(void *cls,
    struct GNUNET_PEERSTORE_Record *record,
    char *emsg)
{
  if(NULL != emsg)
    return GNUNET_NO;
  if(NULL != record)
  {
    GNUNET_assert(((strlen(val1) + 1) == record->value_size)
        || ((strlen(val2) + 1) == record->value_size));
    GNUNET_assert((0 == strcmp((char *)val1, (char *)record->value))
        || (0 == strcmp((char *)val2, (char *)record->value)));
    count++;
    return GNUNET_YES;
  }
  GNUNET_assert(count == 2);
  count = 0;
  test3();
  return GNUNET_YES;
}

static void
test2_cont(void *cls, int success)
{
  if(GNUNET_YES != success)
      return;
  count = 0;
  GNUNET_PEERSTORE_iterate(h,
      subsystem,
      &pid,
      key,
      GNUNET_TIME_UNIT_SECONDS,
      &test2_cont2,
      NULL);
}

/**
 * Test storing a second value with the same key
 */
void test2()
{
  GNUNET_PEERSTORE_store(h,
      subsystem,
      &pid,
      key,
      val2,
      strlen(val2) + 1,
      GNUNET_TIME_UNIT_FOREVER_ABS,
      GNUNET_PEERSTORE_STOREOPTION_MULTIPLE,
      &test2_cont,
      NULL);
}

int test1_cont2(void *cls,
    struct GNUNET_PEERSTORE_Record *record,
    char *emsg)
{
  if(NULL != emsg)
    return GNUNET_NO;
  if(NULL != record)
  {
    GNUNET_assert((strlen(val1) + 1) == record->value_size);
    GNUNET_assert(0 == strcmp((char *)val1, (char *)record->value));
    count++;
    return GNUNET_YES;
  }
  GNUNET_assert(count == 1);
  count = 0;
  test2();
  return GNUNET_YES;
}

static void
test1_cont(void *cls, int success)
{
  if(GNUNET_YES != success)
    return;
  count = 0;
  GNUNET_PEERSTORE_iterate(h,
      subsystem,
      &pid,
      key,
      GNUNET_TIME_UNIT_SECONDS,
      &test1_cont2,
      NULL);
}

/**
 * Store a single record
 */
static void
test1()
{
  GNUNET_PEERSTORE_store(h,
      subsystem,
      &pid,
      key,
      val1,
      strlen(val1) + 1,
      GNUNET_TIME_UNIT_FOREVER_ABS,
      GNUNET_PEERSTORE_STOREOPTION_REPLACE,
      &test1_cont,
      NULL);
}

static void
run (void *cls,
    const struct GNUNET_CONFIGURATION_Handle *cfg,
    struct GNUNET_TESTING_Peer *peer)
{
  h = GNUNET_PEERSTORE_connect(cfg);
  GNUNET_assert(NULL != h);
  memset (&pid, 1, sizeof (pid));
  test1();
}

int
main (int argc, char *argv[])
{
  if (0 != GNUNET_TESTING_service_run ("test-gnunet-peerstore",
                 "peerstore",
                 "test_peerstore_api_data.conf",
                 &run, NULL))
    return 1;
  return ok;
}

/* end of test_peerstore_api_store.c */