/*

 * Copyright (c) 2013, 2014, 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 com.sun.tools.jdeps;

import java.io.IOException;

import java.util.*;

/**

 * Build the profile information.

 */

enum Profile {

    COMPACT1("compact1", 1, "java.compact1"),

    COMPACT2("compact2", 2, "java.compact2"),

    COMPACT3("compact3", 3, "java.compact3", "java.smartcardio", "jdk.sctp",

                            "jdk.httpserver", "jdk.security.auth",

                            "jdk.naming.dns", "jdk.naming.rmi"),

    FULL_JRE("Full JRE", 4, "java.se", "jdk.deploy.osx", "jdk.charsets",

                            "jdk.crypto.ec", "jdk.crypto.pkcs11",

                            "jdk.crypto.mscapi", "jdk.crypto.ucrypto", "jdk.jvmstat",

                            "jdk.localedata", "jdk.scripting.nashorn", "jdk.zipfs");

    final String name;

    final int profile;

    final String[] mnames;

    final Set<Module> modules = new HashSet<>();

    Profile(String name, int profile, String... mnames) {

        this.name = name;

        this.profile = profile;

        this.mnames = mnames;

    }

    public String profileName() {

        return name;

    }

    @Override

    public String toString() {

        return mnames[0];

    }

    public static int getProfileCount() {

        return JDK.isEmpty() ? 0 : Profile.values().length;

    }

    /**

     * Returns the Profile for the given package name; null if not found.

     */

    public static Profile getProfile(String pn) {

        for (Profile p : Profile.values()) {

            for (Module m : p.modules) {

                if (m.packages().contains(pn)) {

                    return p;

                }

            }

        }

        return null;

    }

    /*

     * Returns the Profile for a given Module; null if not found.

     */

    public static Profile getProfile(Module m) {

        for (Profile p : Profile.values()) {

            if (p.modules.contains(m)) {

                return p;

            }

        }

        return null;

    }

    private final static Set<Module> JDK = new HashSet<>();

    static void initProfiles(List<Archive> modules) {

        // add all modules into  JDK

        modules.forEach(m -> JDK.add((Module)m));

        for (Profile p : Profile.values()) {

            for (String mn : p.mnames) {

                // this includes platform-dependent module that may not exist

                Module m = PlatformClassPath.findModule(mn);

                if (m != null) {

                    p.addModule(m);

                }

            }

        }

    }

    private void addModule(Module m) {

        modules.add(m);

        for (String n : m.requires().keySet()) {

            Module d = PlatformClassPath.findModule(n);

            if (d == null) {

                throw new InternalError("module " + n + " required by " +

                        m.name() + " doesn't exist");

            }

            modules.add(d);

        }

    }

    // for debugging

    public static void main(String[] args) throws IOException {

        // find platform modules

        PlatformClassPath.getModules(null);

        if (Profile.getProfileCount() == 0) {

            System.err.println("No profile is present in this JDK");

        }

        for (Profile p : Profile.values()) {

            String profileName = p.name;

            System.out.format("%2d: %-10s  %s%n", p.profile, profileName, p.modules);

            for (Module m: p.modules) {

                System.out.format("module %s%n", m.name());

                System.out.format("   requires %s%n", m.requires());

                for (Map.Entry<String,Set<String>> e: m.exports().entrySet()) {

                    System.out.format("   exports %s %s%n", e.getKey(),

                        e.getValue().isEmpty() ? "" : "to " + e.getValue());

                }

            }

        }

        System.out.println("All JDK modules:-");

        JDK.stream().sorted(Comparator.comparing(Module::name))

           .forEach(m -> System.out.println(m));

    }

}