package nl.veenm.paypoint.service;

import jakarta.enterprise.context.ApplicationScoped;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Map;

@ApplicationScoped
public class EmailTemplateService {

    public String loadTemplate(String templatePath, Map<String, String> replacements) {
        try (InputStream is = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream(templatePath)) {

            if (is == null) {
                throw new RuntimeException("Kon e-mailtemplate niet vinden!");
            }

            String template = new String(is.readAllBytes(), StandardCharsets.UTF_8);


            for (Map.Entry<String, String> entry : replacements.entrySet()) {
                template = template.replace("{{" + entry.getKey() + "}}", entry.getValue());
            }

            return template;
        } catch (IOException e) {
            throw new RuntimeException("Kon e-mailtemplate niet inladen: " + templatePath, e);
        }
    }
}