package org.jboss.resteasy.test;

import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;

import jakarta.ws.rs.client.ClientBuilder;

import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget;
import org.jboss.resteasy.util.PortProvider;

/**
 * Test utility class
 *
 * @author <a href="justin@justinedelson.com">Justin Edelson</a>
 * @version $Revision$
 */
public class TestPortProvider {
    /**
     * Creates a ResteasyWebTarget using base request path.
     *
     * @param path the path
     * @return web resource target
     */
    public static ResteasyWebTarget createTarget(String path) {
        return (ResteasyWebTarget) ClientBuilder.newClient().target(generateURL(path));
    }

    /**
     * Create a Resteasy client proxy with an empty base request path.
     *
     * @param <T>   type
     * @param clazz the client interface class
     * @return the proxy object
     */
    public static <T> T createProxy(Class<T> clazz) {
        return createProxy(clazz, generateBaseUrl());
    }

    /**
     * Create a Resteasy client proxy.
     *
     * @param <T>   type
     * @param clazz the client interface class
     * @param url   request url
     * @return the proxy object
     */
    public static <T> T createProxy(Class<T> clazz, String url) {
        ResteasyWebTarget target = (ResteasyWebTarget) ResteasyClientBuilder.newClient().target(url);
        return target.proxy(clazz);
    }

    /**
     * Create a URI for the provided path, using the configured port
     *
     * @param path the request path
     * @return a full URI
     */
    public static URI createURI(String path) {
        return URI.create(generateURL(path));
    }

    /**
     * Create a URL for the provided path, using the configured port
     *
     * @param path the request path
     * @return a full URL
     * @throws MalformedURLException if no protocol is specified or an unknown protocol is found
     */
    public static URL createURL(String path) throws MalformedURLException {
        return new URL(generateURL(path));
    }

    /**
     * Generate a base URL incorporating the configured port.
     *
     * @return a full URL
     */
    public static String generateBaseUrl() {
        return generateURL("");
    }

    /**
     * Generate a URL incorporating the configured port.
     *
     * @param path the path
     * @return a full URL
     */
    public static String generateURL(String path) {
        return String.format("http://%s:%d%s", getHost(), getPort(), path);
    }

    /**
     * Look up the configured port number, first checking an environment variable (RESTEASY_PORT),
     * then a system property (org.jboss.resteasy.port), and finally the default port (8081).
     *
     * @return the port number specified in either the environment or system properties
     */
    public static int getPort() {
        return PortProvider.getPort();
    }

    /**
     * Look up the configured hostname, first checking an environment variable (RESTEASY_HOST),
     * then a system property (org.jboss.resteasy.host), and finally the default hostname (localhost).
     *
     * @return the host specified in either the environment or system properties
     */
    public static String getHost() {
        return PortProvider.getHost();
    }
}
