/*
 * Copyright (c) 2018, 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.
 *
 * 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.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;

public class LicenseBase {

    private static String TEST_NAME;
    private static String EXT;
    private static String OUTPUT;
    private static String[] CMD;

    private static void copyResults() throws Exception {
        List<String> files = new ArrayList<>();
        files.add(OUTPUT.toLowerCase());
        JPackageInstallerHelper.copyTestResults(files);
    }

    private static void testCreateInstaller() throws Exception {
        JPackageHelper.executeCLI(true, CMD);
        JPackageInstallerHelper.validateOutput(OUTPUT);
        copyResults();
    }

    private static void verifyInstall() throws Exception {
        String app = JPackagePath.getLinuxInstalledApp(TEST_NAME);
        JPackageInstallerHelper.validateApp(app);

        File licenseFile = null;
        if (EXT.equals("rpm")) {
            licenseFile = getRpmLicenseFileInstallLocation();
        } else if (EXT.equals("deb")) {
            licenseFile = getDebLicenseFileInstallLocation();
        }
        if (!licenseFile.exists()) {
            throw new AssertionError(
                    "Error: " + licenseFile.getAbsolutePath() + " not found");
        }
    }

    private static File getRpmLicenseFileInstallLocation() throws Exception {
        final String infoResult = "infoResult.txt";
        int retVal = JPackageHelper.execute(new File(infoResult), "rpm",
                "--eval", "%{_defaultlicensedir}");
        if (retVal != 0) {
            throw new AssertionError("rpm exited with error: " + retVal);
        }

        final String rootLicenseDir = Files.readString(Path.of(infoResult)).replaceAll(
                "(\\r|\\n)", "");

        retVal = JPackageHelper.execute(new File(infoResult), "rpm",
                "-q", "--queryformat", "%{name}-%{version}",
                TEST_NAME.toLowerCase());
        if (retVal != 0) {
            throw new AssertionError("rpm exited with error: " + retVal);
        }

        final String testPackageName = Files.readString(Path.of(infoResult));

        return Path.of(rootLicenseDir, testPackageName, new File(
                JPackagePath.getLicenseFilePath()).getName()).toFile();
    }

    private static File getDebLicenseFileInstallLocation() throws Exception {
        return Path.of("/usr", "share", "doc", TEST_NAME.toLowerCase(),
                "copyright").toFile();
    }

    private static void verifyUnInstall() throws Exception {
        String folderPath = JPackagePath.getLinuxInstallFolder(TEST_NAME);
        File folder = new File(folderPath);
        if (folder.exists()) {
            throw new AssertionError(
                    "Error: " + folder.getAbsolutePath() + " exist");
        }

        if (EXT.equals("rpm")) {
            final File licenseFileFolder = getRpmLicenseFileInstallLocation().getParentFile();
            if (folder.exists()) {
                throw new AssertionError(
                        "Error: " + licenseFileFolder.getAbsolutePath() + " exist");
            }
        } else if (EXT.equals("deb")) {
            final File licenseFileFolder = getDebLicenseFileInstallLocation().getParentFile();
            if (folder.exists()) {
                throw new AssertionError(
                        "Error: " + licenseFileFolder.getAbsolutePath() + " exist");
            }
        }
    }

    private static void init(String name, String ext) throws Exception {
        TEST_NAME = name;
        EXT = ext;
        if (EXT.equals("rpm")) {
            OUTPUT = "output" + File.separator + TEST_NAME + "-1.0-1." + Base.getRpmArch() + "." + EXT;
        } else {
            OUTPUT = "output" + File.separator + TEST_NAME + "-1.0." + EXT;
        }
        CMD = new String [] {
        "--package-type", EXT,
        "--input", "input",
        "--output", "output",
        "--name", TEST_NAME,
        "--main-jar", "hello.jar",
        "--main-class", "Hello",
        "--license-file", JPackagePath.getLicenseFilePath()};
    }

    public static void run(String name, String ext) throws Exception {
        init(name, ext);

        if (JPackageInstallerHelper.isVerifyInstall()) {
            verifyInstall();
        } else if (JPackageInstallerHelper.isVerifyUnInstall()) {
            verifyUnInstall();
        } else {
            JPackageHelper.createHelloInstallerJar();
            testCreateInstaller();
        }
    }
}