/*
This file is part of »munin«.

Copyright 2025 'Fenris Wolf' <fenris@folksprak.org>

»munin« 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.

»munin« 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 »munin«. If not, see <http://www.gnu.org/licenses/>.
 */


namespace _munin.helpers.test
{
	
	/**
	 * @todo outsource
	 */
	type type_testcase_raw<type_input, type_output> = {
		active ?: boolean;
		name ?: string;
		input : type_input;
		output : type_output;
	};
	
	
	/**
	 * @todo outsource
	 */
	export type type_testcase<type_input, type_output> = {
		name : string;
		input : type_input;
		output : type_output;
	};
	
	
	/**
	 * @todo outsource
	 */
	export async function get_data<type_input, type_output>(
		path : string,
		{
			"default_active": default_active = true,
		} : {
			default_active ?: boolean;
		} = {
		}
	) : Promise<Array<type_testcase<type_input, type_output>>>
	{
		const content : string = await lib_plankton.file.read(path);
		const testcases_raw : Array<type_testcase_raw<type_input, type_output>> = (
			lib_plankton.json.decode(content) as Array<type_testcase_raw<type_input, type_output>>
		);
		const testcases : Array<type_testcase<type_input, type_output>> = (
			testcases_raw
			.filter(
				testcase_raw => (testcase_raw.active ?? default_active),
			)
			.map(
				(testcase_raw, index) => ({
					"name": (
						testcase_raw.name
						??
						lib_plankton.string.coin(
							"{{path}} | #{{index}}",
							{
								"path": path,
								"index": (index + 1).toFixed(0),
							}
						)
					),
					"input": testcase_raw.input,
					"output": testcase_raw.output,
				})
			)
		);
		return testcases;
	}
	
	
	/**
	 * @todo outsource
	 */
	export function start(
		name : string
	) : void
	{
		lib_plankton.log._info(
			"test.run",
			{
				"details": {
					"name": name,
				}
			}
		);
	}
	
	
	/**
	 * @todo outsource
	 */
	export function fail(
		name : string
	) : void
	{
		lib_plankton.log._error(
			"test.failed",
			{
				"details": {
					"name": name,
				}
			}
		);
	}
	
}