/*
 * The MIT License
 *
 * Copyright (c) 2015, CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package hudson;

import java.io.File;
import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URL;
import jenkins.RestartRequiredException;
import jenkins.model.Jenkins;
import org.apache.commons.io.FileUtils;
import org.htmlunit.html.DomElement;
import org.htmlunit.html.HtmlPage;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.jvnet.hudson.test.JenkinsRule;
import org.jvnet.hudson.test.junit.jupiter.JenkinsSessionExtension;

/**
 * @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
 */
public class PluginManagerUtil {

    public static JenkinsSessionExtension newJenkinsSessionExtension() {
        return new JenkinsSessionExtension() {
            private int port;
            private org.junit.runner.Description description;

            @Override
            public void beforeEach(ExtensionContext context) {
                super.beforeEach(context);
                description = org.junit.runner.Description.createTestDescription(
                        context.getTestClass().map(Class::getName).orElse(null),
                        context.getTestMethod().map(Method::getName).orElse(null),
                        context.getTestMethod().map(Method::getAnnotations).orElse(null));
            }

            @Override
            public void then(Step s) throws Throwable {
                CustomJenkinsRule r = new CustomJenkinsRule(getHome(), port);
                r.apply(
                        new org.junit.runners.model.Statement() {
                            @Override
                            public void evaluate() throws Throwable {
                                port = r.getPort();
                                s.run(r);
                            }
                        },
                        description
                ).evaluate();
            }

        };
    }

    private static final class CustomJenkinsRule extends JenkinsRule {
        CustomJenkinsRule(File home, int port) {
            setPluginManager(null);
            with(() -> home);
            localPort = port;
        }

        int getPort() {
            return localPort;
        }
    }

    public static void dynamicLoad(String plugin, Jenkins jenkins) throws IOException, InterruptedException, RestartRequiredException {
        dynamicLoad(plugin, jenkins, false);
    }

    public static void dynamicLoad(String plugin, Jenkins jenkins, boolean disable) throws IOException, InterruptedException, RestartRequiredException {
        URL src = PluginManagerTest.class.getClassLoader().getResource("plugins/" + plugin);
        File dest = new File(jenkins.getRootDir(), "plugins/" + plugin);
        FileUtils.copyURLToFile(src, dest);
        if (disable) {
            new File(dest.getPath() + ".disabled").createNewFile();
        }
        jenkins.pluginManager.dynamicLoad(dest);
    }

    public static DomElement getCheckForUpdatesButton(HtmlPage page) {
        return page.getElementById("button-refresh");
    }
}
