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package org.swisspush.gateleen.routing;

import org.swisspush.gateleen.core.util.StringUtils;
import com.floreysoft.jmte.Engine;

import java.util.HashMap;
import java.util.Map;

/**
 * Utility class to static html error pages
 *
 * @author https://github.com/mcweba [Marc-Andre Weber]
 */
public class ErrorPageCreator {

    private static final String ROUTING_BROKEN_TEMPLATE = "\n"
            + "\n"
            + "    Routing is broken\n"
            + "    \n"
            + "        Message: ${message}\n"
            + "        Fix it under ${urltext} \n"
            + "    \n"
            + "";

    /**
     * Creates the static 'Routing Broken' HTML error page.
     *
     * @param message the message to display
     * @param url the url for the resource
     * @param urltext the text displayed as link text
     * @return String
     */
    public static String createRoutingBrokenHTMLErrorPage(String message, String url, String urltext) {

        if (StringUtils.isEmpty(message)) {
            message = "Not provided!";
        }

        Engine engine = new Engine();
        Map model = new HashMap<>();
        model.put("message", message);
        model.put("url", url);
        model.put("urltext", urltext);

        String display = "none";
        if (StringUtils.isNotEmpty(url) && StringUtils.isNotEmpty(urltext)) {
            display = "block";
        }
        model.put("display", display);

        return engine.transform(ROUTING_BROKEN_TEMPLATE, model);
    }
}