/*

 * Copyright (c) 2011, 2018, 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.

 */

package jdk.packager.internal;

import java.io.File;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.LinkedHashMap;

import java.util.LinkedHashSet;

import java.util.LinkedList;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.TreeMap;

import java.util.TreeSet;

    final List<RelativeFileSet> resources = new ArrayList<>();

    String id;

    String title;

    String vendor;

    String email;

    String description;

    String category;

    String licenseType;

    String copyright;

    String version;

    Boolean systemWide;

    Boolean serviceHint;

    Boolean signBundle;

    Boolean installdirChooser;

    Boolean singleton;

    String applicationClass;

    List<Param> params;

    List<String> arguments; //unnamed arguments

    // Java 9 modules support

    String addModules = null;

    String limitModules = null;

    Boolean stripNativeCommands = null;

    String modulePath = null;

    String module = null;

    String debugPort = null;

    boolean jreInstaller = false;

    String appId = null;

    // list of jvm args

    // (in theory string can contain spaces and need to be escaped

    List<String> jvmargs = new LinkedList<>();

    // list of jvm properties (can also be passed as VM args

    // but keeping them separate make it a bit more convinient

    Map<String, String> properties = new LinkedHashMap<>();

    // raw arguments to the bundler

    Map<String, ? super Object> bundlerArguments = new LinkedHashMap<>();

    public void setId(String id) {

        this.id = id;

    }

    public void setCategory(String category) {

        this.category = category;

    }

    public void setLicenseType(String licenseType) {

        this.licenseType = licenseType;

    }

    public void setCopyright(String copyright) {

        this.copyright = copyright;

    }

    public void setVersion(String version) {

        this.version = version;

    }

    public void setSystemWide(Boolean systemWide) {

        this.systemWide = systemWide;

    }

    public void setServiceHint(Boolean serviceHint) {

        this.serviceHint = serviceHint;

    }

    public void setInstalldirChooser(Boolean installdirChooser) {

        this.installdirChooser = installdirChooser;

    }

    public void setSingleton(Boolean singleton) {

        this.singleton = singleton;

    }

    public void setSignBundle(Boolean signBundle) {

        this.signBundle = signBundle;

    }

    public void addJvmArg(String v) {

        jvmargs.add(v);

    }

    public void addJvmProperty(String n, String v) {

        properties.put(n, v);

    }

    public void setArguments(List<String> args) {

        this.arguments = args;

    }

    public List<String> getArguments() {

        return this.arguments;

    }

    public void addArgument(String arg) {

        this.arguments.add(arg);

    }

    public void addAddModule(String value) {

        if (addModules == null) {

            addModules = value;

        }

        else {

            addModules += "," + value;

        }

    }

    public void addLimitModule(String value) {

        if (limitModules == null) {

            limitModules = value;

        }

        else {

            limitModules += "," + value;

        }

    }

    public String getModulePath() {

        return this.modulePath;

    }

    public void setModulePath(String value) {

        this.modulePath = value;

    }

    public void setModule(String value) {

        this.module = value;

    }

    public void setDebug(String value) {

        this.debugPort = value;

    }

    public void setStripNativeCommands(boolean value) {

        this.stripNativeCommands = value;

    }

    public void setDescription(String description) {

        this.description = description;

    }

    public void setAppId(String id) {

        appId = id;

    }

    public void setParams(List<Param> params) {

        this.params = params;

    }

    public void setTitle(String title) {

        this.title = title;

    }

    public void setVendor(String vendor) {

        this.vendor = vendor;

    }

    public void setEmail(String email) {

        this.email = email;

    }

    public void setApplicationClass(String applicationClass) {

        this.applicationClass = applicationClass;

    }

    public void setJreInstaller(boolean value) {

        jreInstaller = value;

    }

    }

    static class Template {

        File in;

        File out;

        Template(File in, File out) {

            this.in = in;

            this.out = out;

        }

    }

    // we need to expand as in some cases

    // (most notably jpackager)

    // we may get "." as filename and assumption is we include

    // everything in the given folder

    // (IOUtils.copyfiles() have recursive behavior)

    List<File> expandFileset(File root) {

        List<File> files = new LinkedList<>();

        if (!Files.isSymbolicLink(root.toPath())) {

            if (root.isDirectory()) {

                File[] children = root.listFiles();

                if (children != null) {

                    for (File f : children) {

                        files.addAll(expandFileset(f));

                    }

                }

            } else {

                files.add(root);

            }

        }

        return files;

    }

    public void addResource(File baseDir, String path) {

        File file = new File(baseDir, path);

        // normalize top level dir

        // to strip things like "." in the path

        // or it can confuse symlink detection logic

        file = file.getAbsoluteFile();

        if (baseDir == null) {

            baseDir = file.getParentFile();

        }

        resources.add(new RelativeFileSet(

                baseDir, new LinkedHashSet<>(expandFileset(file))));

    }

    public void addResource(File baseDir, File file) {

        // normalize initial file

        // to strip things like "." in the path

        // or it can confuse symlink detection logic

        file = file.getAbsoluteFile();

        if (baseDir == null) {

            baseDir = file.getParentFile();

        }

        resources.add(new RelativeFileSet(

                baseDir, new LinkedHashSet<>(expandFileset(file))));

    }

    private static File createFile(final File baseDir, final String path) {

        final File testFile = new File(path);

        return testFile.isAbsolute() ?

                testFile : new File(baseDir == null ?

                        null : baseDir.getAbsolutePath(), path);

    }

    public static void validateAppName(String s) throws PackagerException {

        if (s == null || s.length() == 0) {

            // empty or null string - there is no unsupported char

            return;

        }

        int last = s.length() - 1;

        char fc = s.charAt(0);

        char lc = s.charAt(last);

        // illegal to end in backslash escape char

        if (lc == '\\') {

            throw new PackagerException("ERR_InvalidCharacterInArgument", "--name");

        }

        for (int i = 0; i < s.length(); i++) {

            char a = s.charAt(i);

            // We check for ASCII codes first which we accept. If check fails,

            // then check if it is acceptable extended ASCII or unicode character.

            if (a < ' ' || a > '~' || a == '%') {

                // Reject '%', whitespaces and ISO Control.

                // Accept anything else including special characters like copyright

                // symbols. Note: space will be included by ASCII check above,

                // but other whitespace like tabs or new line will be ignored.

                if (Character.isISOControl(a) || Character.isWhitespace(a) || a == '%') {

                    throw new PackagerException("ERR_InvalidCharacterInArgument", "--name");

                }

            }

            if (a == '"') {

                throw new PackagerException("ERR_InvalidCharacterInArgument", "--name");

            }

        }

    }

    public void validate() throws PackagerException {

        if (outdir == null) {

            throw new PackagerException("ERR_MissingArgument", "--output");

        }

        boolean hasModule = (bundlerArguments.get(

                Arguments.CLIOptions.MODULE.getId()) != null);

        boolean hasImage = (bundlerArguments.get(

                Arguments.CLIOptions.PREDEFINED_APP_IMAGE.getId()) != null);

        boolean hasClass = (bundlerArguments.get(

                Arguments.CLIOptions.APPCLASS.getId()) != null);

        boolean hasMain = (bundlerArguments.get(

                Arguments.CLIOptions.MAIN_JAR.getId()) != null);

        // if bundling non-modular image, or installer without app-image

        // then we need some resources and a main class

        if (!hasModule && !hasImage && !jreInstaller) {

            if (resources.isEmpty()) {

                throw new PackagerException("ERR_MissingAppResources");

            }

            if (!hasClass) {

                throw new PackagerException("ERR_MissingArgument", "--class");

            }

            if (!hasMain) {

                throw new PackagerException("ERR_MissingArgument",

                        "--main-jar");

            }

        }

        String name = (String)bundlerArguments.get(Arguments.CLIOptions.NAME.getId());

        validateAppName(name);

        // Validate app image if set

        String appImage = (String)bundlerArguments.get(

                Arguments.CLIOptions.PREDEFINED_APP_IMAGE.getId());

        if (appImage != null) {

            File appImageDir = new File(appImage);

            if (!appImageDir.exists()) {

                throw new PackagerException("ERR_AppImageNotExist", appImage);

            }

            File appImageAppDir = new File(appImage + File.separator + "app");

            File appImageRuntimeDir = new File(appImage

                    + File.separator + "runtime");

            if (!appImageAppDir.exists() || !appImageRuntimeDir.exists()) {

                throw new PackagerException("ERR_AppImageInvalid", appImage);

            }

        }

    }

    public boolean validateForBundle() {

        boolean result = false;

        // Success

        if (((applicationClass != null && !applicationClass.isEmpty()) ||

            (module != null && !module.isEmpty()))) {

            result = true;

        }

        return result;

    }

    String targetFormat = null; //means any

        bundleType = type;

    }

        return bundleType;

    }

    public void setTargetFormat(String t) {

        targetFormat = t;

    }

    public String getTargetFormat() {

        return targetFormat;

    }

    private String getArch() {

        String arch = System.getProperty("os.arch").toLowerCase();

        if ("x86".equals(arch) || "i386".equals(arch) || "i486".equals(arch)

                || "i586".equals(arch) || "i686".equals(arch)) {

            arch = "x86";

        } else if ("x86_64".equals(arch) || "amd64".equals("arch")) {

            arch = "x86_64";

        }

        return arch;

    }

    static final Set<String> multi_args = new TreeSet<>(Arrays.asList(

            StandardBundlerParam.JVM_PROPERTIES.getID(),

            StandardBundlerParam.JVM_OPTIONS.getID(),

            StandardBundlerParam.ARGUMENTS.getID(),

            StandardBundlerParam.MODULE_PATH.getID(),

            StandardBundlerParam.ADD_MODULES.getID(),

            StandardBundlerParam.LIMIT_MODULES.getID(),

            StandardBundlerParam.FILE_ASSOCIATIONS.getID()

    ));

    @SuppressWarnings("unchecked")

    public void addBundleArgument(String key, Object value) {

        // special hack for multi-line arguments

        if (multi_args.contains(key)) {

            Object existingValue = bundlerArguments.get(key);

            if (existingValue instanceof String && value instanceof String) {

                bundlerArguments.put(key, existingValue + "\n\n" + value);

            } else if (existingValue instanceof List && value instanceof List) {

                ((List)existingValue).addAll((List)value);

            } else if (existingValue instanceof Map &&

                value instanceof String && ((String)value).contains("=")) {

                String[] mapValues = ((String)value).split("=", 2);

                ((Map)existingValue).put(mapValues[0], mapValues[1]);

            } else {

                bundlerArguments.put(key, value);

            }

        } else {

            bundlerArguments.put(key, value);

        }

    }

    public BundleParams getBundleParams() {

        BundleParams bundleParams = new BundleParams();

        //construct app resources

        //  relative to output folder!

        String currentOS = System.getProperty("os.name").toLowerCase();

        String currentArch = getArch();

        bundleParams.setAppResourcesList(resources);

        bundleParams.setIdentifier(id);

        bundleParams.setApplicationClass(applicationClass);

        bundleParams.setAppVersion(version);

        bundleParams.setType(bundleType);

        bundleParams.setBundleFormat(targetFormat);

        bundleParams.setVendor(vendor);

        bundleParams.setEmail(email);

        bundleParams.setServiceHint(serviceHint);

        bundleParams.setInstalldirChooser(installdirChooser);

        bundleParams.setSingleton(singleton);

        bundleParams.setCopyright(copyright);

        bundleParams.setApplicationCategory(category);

        bundleParams.setDescription(description);

        bundleParams.setTitle(title);

        bundleParams.setJvmProperties(properties);

        bundleParams.setJvmargs(jvmargs);

        bundleParams.setArguments(arguments);

        if (addModules != null && !addModules.isEmpty()) {

            bundleParams.setAddModules(addModules);

        }

        if (limitModules != null && !limitModules.isEmpty()) {

            bundleParams.setLimitModules(limitModules);

        }

        if (stripNativeCommands != null) {

            bundleParams.setStripNativeCommands(stripNativeCommands);

        }

        if (modulePath != null && !modulePath.isEmpty()) {

            bundleParams.setModulePath(modulePath);

        }

        if (module != null && !module.isEmpty()) {

            bundleParams.setMainModule(module);

        }

        if (debugPort != null && !debugPort.isEmpty()) {

            bundleParams.setDebug(debugPort);

        }