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package org.fugerit.java.doc.playground.config;

import jakarta.enterprise.context.ApplicationScoped;
import lombok.extern.slf4j.Slf4j;
import org.fugerit.java.doc.freemarker.tool.GenerateStub;

import java.io.*;
import java.nio.charset.StandardCharsets;
import java.util.Properties;

@Slf4j
@ApplicationScoped
public class ConvertConfigFacade {

	public String convertHelper(ConvertConfigInput input) throws Exception {
		String result = null;
		if ( input.getDocContent() != null && input.getFreemarkerJsonData() != null ) {
			try (StringReader paramsReader = new StringReader( input.getFreemarkerJsonData() );
				 InputStream reader = new ByteArrayInputStream( input.getDocContent().getBytes( StandardCharsets.UTF_8 ) );
				 Writer writer = new StringWriter() ) {
				Properties params = new Properties();
				params.load( paramsReader );
				GenerateStub.generate( writer, params, reader );
				result = writer.toString();
			}
		}
		return result;
	}

}