/*************************************************************************
 *
 *  Copyright (c) 2023 Fabian Posch
 *
 *  This program 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 2
 *  of the License, or (at your option) any later version.
 *
 *  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.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 *
 **************************************************************************
 */


#ifndef __CLI_UTIL_H__
#define __CLI_UTIL_H__

#include <map>
#include <list>
#include "db_client.hpp"

#define POSTGRES_DEFAULT_PORT 5432

// environment variables used by the database module of the argument parser
#define SERVER_ADDR_ENV "ACT_DEPLOY_SERVER_ADDR"
#define SERVER_PORT_ENV "ACT_DEPLOY_SERVER_PORT"
#define SERVER_USER_ENV "ACT_DEPLOY_SERVER_USER"
#define SERVER_PWD_ENV "ACT_DEPLOY_SERVER_PWD"
#define SERVER_DBASE_ENV "ACT_DEPLOY_SERVER_DBASE"


/**
 * @brief Parse database credentials from arguments or environment
 * 
 * Parses the database options common between the different commands. No command line overrides were given,
 * the data is loaded from environment variables given externally through macros. These macros are:
 * 
 * - SERVER_ADDR_ENV: Environment variable containing the address of the Postgresql database server
 * - SERVER_PORT_ENV: Variable containing the port of the Postgresql database server
 * - SERVER_USER_ENV: Variable containing the database user
 * - SERVER_PWD_ENV: Variable containing the database password
 * - SERVER_DBASE_ENV: Variable containing the database name
 * 
 * @param arguments Argument list given to the program
 * @return db_credentials_t Structure containing the database credentials
 * 
 * @throw std::invalid_argument Thrown if the server name was set by neither the environment nor an override argument
 * @throw std::invalid_argument Thrown if the server port was set by neither the environment nor an override argument
 * @throw std::invalid_argument Thrown if the given port is invalid
 * @throw std::invalid_argument Thrown if the database user was set by neither the environment nor an override argument
 * @throw std::invalid_argument Thrown if the database password was set by neither the environment nor an override argument
 * @throw std::invalid_argument Thrown if the database name was set by neither the environment nor an override argument
 */
//db::db_credentials_t get_db_cred (arg_list& arguments);

void get_db_cred_env (db::db_credentials_t& db_cred);

#endif