/**
* Copyright Super iPaaS Integration LLC, an IBM Company 2024
*/
import yaml from 'js-yaml';
import { parseDocument, stringify, Document } from "yaml";
import { ERROR_PROCESSING_YAML_FILE } from '../../constants/message-constants.js';

const readYaml = <T> (input: string): T => {
	return yaml.load(input) as T;
};

const readMultiYaml = <T> (fileName: string, input: string): T[] => {
	try {
		return yaml.loadAll(input) as T[];
	} catch (error) {
		throw new Error(`${ERROR_PROCESSING_YAML_FILE} ${fileName}: Invalid Yaml`);
	}
};

const convertToYAMLString = <T> (input: T): string => {
	return yaml.dump(input);
};

const parseYamlContent = (content: string): Document => {
	try {
		return parseDocument(content);
	} catch (error) {
		throw new Error("Failed to parse YAML content.");
	}
};

const convertParsedYmlToString = (yamlDoc: Document): string => {
	try {
		return stringify(yamlDoc);
	} catch (error) {
		throw new Error("Failed to convert YAML document to string.");
	}
};


export {readYaml,
	convertToYAMLString,
	readMultiYaml,
	parseYamlContent,
	convertParsedYmlToString};