/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.vmtest.impl;

import java.io.IOException;

import java.util.HashSet;

import java.util.LinkedHashMap;

import java.util.Map;

import java.util.Set;

import org.apidesign.bck2brwsr.launcher.Launcher;

import org.testng.annotations.AfterGroups;

import org.testng.annotations.BeforeGroups;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public final class LaunchSetup {

    static LaunchSetup INSTANCE = new LaunchSetup();

    private Launcher js;

    private final Map<String,Launcher> brwsrs = new LinkedHashMap<>();

    private LaunchSetup() {

    }

    public Launcher javaScript() {

        return js(true);

    } 

    private synchronized  Launcher js(boolean create) {

        if (js == null && create) {

            final String p = System.getProperty("vmtest.js", "script"); // NOI18N

            switch (p) {

                case "brwsr": // NOI18N

                    String cmd = null;

                    String pb = System.getProperty("vmtest.brwsrs"); // NOI18N

                    if (pb != null) {

                        cmd = pb.split(",")[0]; // NOI18N

                    }

                    js = brwsr(cmd);

                    break;

                case "script": js = Launcher.createJavaScript(); break; // NOI18N

                default: throw new IllegalArgumentException(

                    "Unknown value of vmtest.js property: " + p

                );

            }

        }

        return js;

    } 

    public synchronized Launcher brwsr(String cmd) {

        Launcher s = brwsrs.get(cmd);

        if (s == null) {

            s = Launcher.createBrowser(cmd);

            brwsrs.put(cmd, s);

        }

        return s;

    }

    @BeforeGroups("run")

    public void initializeLauncher() throws IOException {

        Set<Launcher> all = new HashSet<>(brwsrs.values());

        if (js(false) != null) {

            all.add(js(true));

        }

        for (Launcher launcher : all) {

            launcher.initialize();

        }

    }

    @AfterGroups("run")

    public void shutDownLauncher() throws IOException, InterruptedException {

        Set<Launcher> all = new HashSet<>(brwsrs.values());

        if (js(false) != null) {

            all.add(js(true));

        }

        for (Launcher launcher : all) {

            launcher.shutdown();

        }

    }

}