/*
This file is part of »mimir«.

Copyright 2025 kcf <fenris@folksprak.org>

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

»mimir« 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with »mimir«. If not, see <http://www.gnu.org/licenses/>.
 */

namespace _mimir.serialization.postgresql_dump
{
	
	/**
	 */
	export type type_parameters = {
		credentials : {
			host : string;
			port : int;
			username : string;
			password : string;
			schema : string;
		};
	};
	
	
	/**
	 */
	export function execute(
		parameters : type_parameters,
		directory : string
	) : Array<string>
	{
		const result : Array<string> = [];
		const password_file_path: string = "${HOME}/.pgpass";
		result.push(
			lib_plankton.string.coin(
				"echo '{{host}}:{{port}}:{{schema}}:{{username}}:{{password}}' > {{path}} && chmod 0600 {{path}}",
				{
					"path": password_file_path,
					"host": parameters.credentials.host,
					"port": parameters.credentials.port.toFixed(0),
					"username": parameters.credentials.username,
					"password": parameters.credentials.password,
					"schema": parameters.credentials.schema,
				}
			)
		);
		/*
		result.push(
			lib_plankton.string.coin(
				"mkdir --parents {{directory}}",
				{
					"directory": directory
				}
			)
		);
		 */
		result.push(
			lib_plankton.string.coin(
				"pg_dump --host={{host}} --port={{port}} --username={{username}} {{schema}} > {{target_path}}",
				{
					"host": parameters.credentials.host,
					"port": parameters.credentials.port.toFixed(0),
					"username": parameters.credentials.username,
					"schema": parameters.credentials.schema,
					"target_path": (directory + "/dump.sql"),
				}
			)
		);
		result.push(
			lib_plankton.string.coin(
				"rm {{path}}",
				{
					"path": password_file_path,
				}
			)
		);
		return result;
	}
	
	
	/**
	 */
	export function logic(
		parameters : type_parameters
	) : _mimir.serialization.type_logic
	{
		return {
			"execute": (directory) => execute(parameters, directory),
		};
	}
	
}