#ifndef __INCLUDE_PGDBCLASS_H__
#define __INCLUDE_PGDBCLASS_H__

/*
 * Copyright (c) 2015 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
 */

/**
 * @file
 * Wind River CGTS Platform PostgreSQL Database Access module for maintenance.
 *
 * Class, support structs and enums.
 *
 * This module is based off the libpq - C Library
 *
 *  Header  File: libpg-fe.h
 *  Library File: libpq
 *
 * http://www.postgresql.org/docs/8.3/static/libpq-build.html
 *
 */

#include <sys/types.h>
#include <iostream>
#include <string>
#include <stdio.h>
#include <list>
#include <vector>
#include <map>

// #include <postgresql/libpq-fe.h>
#include <libpq-fe.h>

using namespace std;

#include "nodeBase.h"      /* for ... comnmon definitions, emums and structs */
#include "nodeUtil.h"
#include "nodeTimers.h"    /*                                                */
#include "daemon_common.h"
#include "daemon_option.h"
#include "daemon_ini.h"


typedef std::map<std::string,std::string> mtc_key_value_type ; /* key-value pair array */
typedef std::vector<mtc_key_value_type>  mtc_query_type  ; /* dynamic  sized array */

typedef struct
{
    PGconn     *conn;            /* the postgresql connection                */
    bool        connected;       /* true = connected ; false = not connected */
    int         equote;          /* use E''-style quotes for escaped strings */
    int         protocol;        /* protocol version                         */
    int         server_version;  /* server version                           */
    const char *encoding;        /* client encoding                          */
    const char *uri;             /* Connection URI                           */
} pgdb_conn_type ; // formerly SFmDBConn

class pgdbClass
{
protected:
	const char * get_parameter_status(const char *param);

public:
    pgdbClass();
   ~pgdbClass();

	pgdb_conn_type pg ;

    int     connect (const char *uri);
    void disconnect ();
    int   reconnect ();
    int  monitor    ();

    int query (const char *db_cmd , mtc_query_type & result);
    int cmd   (const char *db_cmd);
};

int pgdbUtil_get_version ( void );

#endif /* __INCLUDE_PGDBCLASS_H__ */