/*

 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import org.junit.Test;

import org.junit.Rule;

import org.junit.rules.TemporaryFolder;

import static org.junit.Assert.*;

public class ApplicationLayoutTest {

    @Rule

    public final TemporaryFolder tempFolder = new TemporaryFolder();

    private void fillLinuxAppImage() throws IOException {

        appImage = tempFolder.newFolder("Foo").toPath();

        Path base = appImage.getFileName();

        tempFolder.newFolder(base.toString(), "bin");

        tempFolder.newFolder(base.toString(), "lib", "app", "mods");

        tempFolder.newFolder(base.toString(), "lib", "runtime", "bin");

        tempFolder.newFile(base.resolve("bin/Foo").toString());

        tempFolder.newFile(base.resolve("lib/app/Foo.cfg").toString());

        tempFolder.newFile(base.resolve("lib/app/hello.jar").toString());

        tempFolder.newFile(base.resolve("lib/Foo.png").toString());

        tempFolder.newFile(base.resolve("lib/libapplauncher.so").toString());

        tempFolder.newFile(base.resolve("lib/runtime/bin/java").toString());

    }

    @Test

    public void testLinux() throws IOException {

        fillLinuxAppImage();

        testApplicationLayout(ApplicationLayout.linuxAppImage());

    }

    private void testApplicationLayout(ApplicationLayout layout) throws IOException {

        ApplicationLayout srcLayout = layout.resolveAt(appImage);

        assertApplicationLayout(srcLayout);

        ApplicationLayout dstLayout = layout.resolveAt(

                appImage.getParent().resolve(

                        "Copy" + appImage.getFileName().toString()));

        srcLayout.move(dstLayout);

        Files.deleteIfExists(appImage);

        assertApplicationLayout(dstLayout);

        dstLayout.copy(srcLayout);

        assertApplicationLayout(srcLayout);

        assertApplicationLayout(dstLayout);

    }

    private void assertApplicationLayout(ApplicationLayout layout) throws IOException {

        assertTrue(Files.isRegularFile(layout.appDirectory().resolve("Foo.cfg")));

        assertTrue(Files.isRegularFile(layout.appDirectory().resolve("hello.jar")));

        assertTrue(Files.isDirectory(layout.appModsDirectory()));

        assertTrue(Files.isRegularFile(layout.launchersDirectory().resolve("Foo")));

        assertTrue(Files.isRegularFile(layout.destktopIntegrationDirectory().resolve("Foo.png")));

        assertTrue(Files.isRegularFile(layout.dllDirectory().resolve("libapplauncher.so")));

        assertTrue(Files.isRegularFile(layout.runtimeDirectory().resolve("bin/java")));

    }

    private Path appImage;

}