/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

// TAOS standard API example. The same syntax as MySQL, but only a subset
// to compile: gcc -o insert_data_demo insert_data_demo.c -ltaos

#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "taosws.h"

static int DemoInsertData() {
  // ANCHOR: insert_data
  int   code = 0;
  char *dsn = "ws://localhost:6041";
  // connect
  WS_TAOS *taos = ws_connect(dsn);
  if (taos == NULL) {
    fprintf(stderr, "Failed to connect to %s, ErrCode: 0x%x, ErrMessage: %s.\n", dsn, ws_errno(NULL), ws_errstr(NULL));
    return -1;
  }

  // insert data, please make sure the database and table are already created
  const char *sql =
      "INSERT INTO "
      "power.d1001 USING power.meters TAGS(2,'California.SanFrancisco') "
      "VALUES "
      "(NOW + 1a, 10.30000, 219, 0.31000) "
      "(NOW + 2a, 12.60000, 218, 0.33000) "
      "(NOW + 3a, 12.30000, 221, 0.31000) "
      "power.d1002 USING power.meters TAGS(3, 'California.SanFrancisco') "
      "VALUES "
      "(NOW + 1a, 10.30000, 218, 0.25000) ";
  WS_RES *result = ws_query(taos, sql);
  code = ws_errno(result);
  if (code != 0) {
    fprintf(stderr, "Failed to insert data to power.meters, sql: %s, ErrCode: 0x%x, ErrMessage: %s\n.", sql, code,
            ws_errstr(result));
    ws_close(taos);
    return -1;
  }
  ws_free_result(result);

  // you can check affectedRows here
  int rows = ws_affected_rows(result);
  fprintf(stdout, "Successfully inserted %d rows into power.meters.\n", rows);

  // close & clean
  ws_close(taos);
  return 0;
  // ANCHOR_END: insert_data
}

int main(int argc, char *argv[]) { return DemoInsertData(); }