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 * Copyright (c) 2012, 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
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package jdk.jpackage.internal;

import java.io.File;
import java.nio.file.Path;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.ResourceBundle;

import static jdk.jpackage.internal.WindowsBundlerParam.*;
import static jdk.jpackage.internal.WinMsiBundler.WIN_APP_IMAGE;

public class WinAppBundler extends AbstractImageBundler {

    private static final ResourceBundle I18N = ResourceBundle.getBundle(
            "jdk.jpackage.internal.resources.WinResources");

    static final BundlerParamInfo<File> ICON_ICO =
            new StandardBundlerParam<>(
            "icon.ico",
            File.class,
            params -> {
                File f = ICON.fetchFrom(params);
                if (f != null && !f.getName().toLowerCase().endsWith(".ico")) {
                    Log.error(MessageFormat.format(
                            I18N.getString("message.icon-not-ico"), f));
                    return null;
                }
                return f;
            },
            (s, p) -> new File(s));

    @Override
    public boolean validate(Map<String, ? super Object> params)
            throws UnsupportedPlatformException, ConfigException {
        try {
            if (params == null) throw new ConfigException(
                    I18N.getString("error.parameters-null"),
                    I18N.getString("error.parameters-null.advice"));

            return doValidate(params);
        } catch (RuntimeException re) {
            if (re.getCause() instanceof ConfigException) {
                throw (ConfigException) re.getCause();
            } else {
                throw new ConfigException(re);
            }
        }
    }

    // to be used by chained bundlers, e.g. by EXE bundler to avoid
    // skipping validation if p.type does not include "image"
    private boolean doValidate(Map<String, ? super Object> p)
            throws UnsupportedPlatformException, ConfigException {
        if (Platform.getPlatform() != Platform.WINDOWS) {
            throw new UnsupportedPlatformException();
        }

        imageBundleValidation(p);

        if (StandardBundlerParam.getPredefinedAppImage(p) != null) {
            return true;
        }

        // Make sure that jpackage.exe exists.
        File tool = new File(
                System.getProperty("java.home") + "\\bin\\jpackage.exe");

        if (!tool.exists()) {
            throw new ConfigException(
                    I18N.getString("error.no-windows-resources"),
                    I18N.getString("error.no-windows-resources.advice"));
        }

        return true;
    }

    private static boolean usePredefineAppName(Map<String, ? super Object> p) {
        return (PREDEFINED_APP_IMAGE.fetchFrom(p) != null);
    }

    private static String appName;
    synchronized static String getAppName(
            Map<String, ? super Object> p) {
        // If we building from predefined app image, then we should use names
        // from image and not from CLI.
        if (usePredefineAppName(p)) {
            if (appName == null) {
                // Use WIN_APP_IMAGE here, since we already copy pre-defined
                // image to WIN_APP_IMAGE
                File appImageDir = WIN_APP_IMAGE.fetchFrom(p);

                File appDir = new File(appImageDir.toString() + "\\app");
                File [] files = appDir.listFiles(
                        (File dir, String name) -> name.endsWith(".cfg"));
                if (files == null || files.length == 0) {
                    String name = APP_NAME.fetchFrom(p);
                    Path exePath = appImageDir.toPath().resolve(name + ".exe");
                    Path icoPath = appImageDir.toPath().resolve(name + ".ico");
                    if (exePath.toFile().exists() &&
                            icoPath.toFile().exists()) {
                        return name;
                    } else {
                        throw new RuntimeException(MessageFormat.format(
                                I18N.getString("error.cannot-find-launcher"),
                                appImageDir));
                    }
                } else {
                    appName = files[0].getName();
                    int index = appName.indexOf(".");
                    if (index != -1) {
                        appName = appName.substring(0, index);
                    }
                    if (files.length > 1) {
                        Log.error(MessageFormat.format(I18N.getString(
                                "message.multiple-launchers"), appName));
                    }
                }
                return appName;
            } else {
                return appName;
            }
        }

        return APP_NAME.fetchFrom(p);
    }

    public static String getLauncherName(Map<String, ? super Object> p) {
        return getAppName(p) + ".exe";
    }

    public static String getLauncherCfgName(Map<String, ? super Object> p) {
        return "app\\" + getAppName(p) +".cfg";
    }

    public boolean bundle(Map<String, ? super Object> p, File outputDirectory)
            throws PackagerException {
        return doBundle(p, outputDirectory, false) != null;
    }

    File doBundle(Map<String, ? super Object> p, File outputDirectory,
            boolean dependentTask) throws PackagerException {
        if (StandardBundlerParam.isRuntimeInstaller(p)) {
            return PREDEFINED_RUNTIME_IMAGE.fetchFrom(p);
        } else {
            return doAppBundle(p, outputDirectory, dependentTask);
        }
    }

    File doAppBundle(Map<String, ? super Object> p, File outputDirectory,
            boolean dependentTask) throws PackagerException {
        try {
            File rootDirectory = createRoot(p, outputDirectory, dependentTask,
                    APP_NAME.fetchFrom(p));
            AbstractAppImageBuilder appBuilder =
                    new WindowsAppImageBuilder(p, outputDirectory.toPath());
            if (PREDEFINED_RUNTIME_IMAGE.fetchFrom(p) == null ) {
                JLinkBundlerHelper.execute(p, appBuilder);
            } else {
                StandardBundlerParam.copyPredefinedRuntimeImage(p, appBuilder);
            }
            if (!dependentTask) {
                Log.verbose(MessageFormat.format(
                        I18N.getString("message.result-dir"),
                        outputDirectory.getAbsolutePath()));
            }
            return rootDirectory;
        } catch (PackagerException pe) {
            throw pe;
        } catch (Exception e) {
            Log.verbose(e);
            throw new PackagerException(e);
        }
    }

    @Override
    public String getName() {
        return I18N.getString("app.bundler.name");
    }

    @Override
    public String getDescription() {
        return I18N.getString("app.bundler.description");
    }

    @Override
    public String getID() {
        return "windows.app";
    }

    @Override
    public String getBundleType() {
        return "IMAGE";
    }

    @Override
    public Collection<BundlerParamInfo<?>> getBundleParameters() {
        return getAppBundleParameters();
    }

    public static Collection<BundlerParamInfo<?>> getAppBundleParameters() {
        return Arrays.asList(
                APP_NAME,
                APP_RESOURCES,
                ARGUMENTS,
                CLASSPATH,
                ICON_ICO,
                JAVA_OPTIONS,
                MAIN_CLASS,
                MAIN_JAR,
                VERSION,
                VERBOSE
            );
    }

    @Override
    public File execute(Map<String, ? super Object> params,
            File outputParentDir) throws PackagerException {
        return doBundle(params, outputParentDir, false);
    }

    @Override
    public boolean supported(boolean platformInstaller) {
        return (Platform.getPlatform() == Platform.WINDOWS);
    }

}