/*

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

 *

 * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

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

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s): Ilia Gromov

 */

package org.netbeans.modules.ide.analysis.modernize.options;

import java.io.File;

import java.io.IOException;

import java.util.Collections;

import org.netbeans.modules.nativeexecution.api.ExecutionEnvironmentFactory;

import org.netbeans.modules.nativeexecution.api.HostInfo;

import org.netbeans.modules.nativeexecution.api.util.ConnectionManager;

import org.netbeans.modules.nativeexecution.api.util.HostInfoUtils;

import org.openide.modules.InstalledFileLocator;

/**

 *

 * @author Ilia Gromov

 */

public class ClangAnalyzerOptions {

    public static final String CLANG_BINARY_NAME = "clang-tidy"; //NOI18N

    public static final String CLANG_BINARY_PATH = "clang-tidy-path"; //NOI18N

    private static String findInPaths() {

        String binaryName = CLANG_BINARY_NAME + "-" + getCodeBase(); //NOI18N

        String result = HostInfoUtils.searchFile(ExecutionEnvironmentFactory.getLocal(), Collections.<String>emptyList(), binaryName, true); // NOI18N

        return result;

    }

    public static String getClangAnalyzerPath() {

        String result = AnalyzerPreferences.getPreferences().get(CLANG_BINARY_PATH, ""); //NOI18N

        String oldValue = result;

        if (result.isEmpty()) {

            String toolPath = System.getProperty("devstudio.clangtidy.path"); //NOI18N

            if (toolPath != null) {

                result = toolPath;

            }

        }

        if (result.isEmpty()) {

            final String codeBase = getCodeBase();

            String relativePath = String.format("%s/%s-%s", CLANG_BINARY_NAME, CLANG_BINARY_NAME, codeBase); //NOI18N

            File toolFile = InstalledFileLocator.getDefault().locate(relativePath, codeBase, false);

            if (toolFile != null && toolFile.exists()) {

                toolFile.setExecutable(true);

                System.out.println(toolFile.canExecute());

                result = toolFile.getAbsolutePath();

            }

        }

        if (result.isEmpty()) {

            String toolPath = findInPaths();

            if (toolPath != null) {

                result = toolPath;

            }

        }

        if (result.isEmpty()) {

            return null;

        } else {

            if (!oldValue.equals(result)) {

                AnalyzerPreferences.getPreferences().put(CLANG_BINARY_PATH, result);

            }

        }

        return result;

    }

    public static String getMissingModuleName() {

        return "org.netbeans.modules.analysis.clangtidy." + getCodeBase(); //NOI18N

    }

    public static String getCodeBase() {

        HostInfo hostInfo = null;

        try {

            hostInfo = HostInfoUtils.getHostInfo(ExecutionEnvironmentFactory.getLocal());

        } catch (IOException ex) {

            ex.printStackTrace(System.err);

        } catch (ConnectionManager.CancellationException ex) {

            ex.printStackTrace(System.err);

        }

        String module = null;

        if (hostInfo != null) {

            switch (hostInfo.getOS().getFamily()) {

                case SUNOS:

                    switch (hostInfo.getCpuFamily()) {

                        case X86:

                            switch (hostInfo.getOS().getBitness()) {

                                case _32:

                                    module = "SunOS_x86"; // NOI18N

                                    break;

                                case _64:

                                    module = "SunOS_x86_64"; // NOI18N

                                    break;

                            }

                            break;

                        case SPARC:

                            module = "SunOS_sparc"; // NOI18N

                            break;

                    }

                    break;

                case LINUX:

                    switch (hostInfo.getOS().getBitness()) {

                        case _32:

                            module = "Linux_x86"; // NOI18N

                            break;

                        case _64:

                            module = "Linux_x86_64"; // NOI18N

                            break;

                    }

                    break;

                case WINDOWS:

                    switch (hostInfo.getOS().getBitness()) {

                        case _32:

                            module = "Windows_x86"; // NOI18N

                            break;

                        case _64:

                            module = "Windows_x86_64"; // NOI18N

                            break;

                    }

                    break;

                case MACOSX:

                    switch (hostInfo.getOS().getBitness()) {

                        case _32:

                            module = "MacOSX_x86"; // NOI18N

                            break;

                        case _64:

                            module = "MacOSX_x86_64"; // NOI18N

                            break;

                    }

                    break;

            }

        }

        return module;

    }

}