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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.project.templates.extensions.util;

import java.io.File;
import java.io.IOException;

import java.nio.file.Files;
import java.nio.file.Path;

import java.util.regex.Pattern;

/**
 * @author Gregory Amerson
 * @author Andrea Di Giorgi
 */
public class WorkspaceUtil {

	public static final String WORKSPACE = "workspace";

	public static File getWorkspaceDir(File dir) throws IOException {
		Path rootDirPath = FileUtil.getRootDir(
			dir.toPath(), _SETTINGS_GRADLE_FILE_NAME);

		if (rootDirPath == null) {
			return null;
		}

		String settingsGradle = FileUtil.read(
			rootDirPath.resolve(_SETTINGS_GRADLE_FILE_NAME));

		if (StringUtil.contains(settingsGradle, _pattern)) {
			return rootDirPath.toFile();
		}

		// For Workspace plugin < 1.0.5

		Path buildGradlePath = rootDirPath.resolve(_BUILD_GRADLE_FILE_NAME);

		if (Files.notExists(buildGradlePath)) {
			return null;
		}

		String buildGradle = FileUtil.read(buildGradlePath);

		if (StringUtil.contains(buildGradle, _pattern)) {
			return rootDirPath.toFile();
		}

		return null;
	}

	public static boolean isWorkspace(File dir) throws IOException {
		File workspaceDir = getWorkspaceDir(dir);

		if (workspaceDir != null) {
			return true;
		}

		return false;
	}

	private static final String _BUILD_GRADLE_FILE_NAME = "build.gradle";

	private static final String _SETTINGS_GRADLE_FILE_NAME = "settings.gradle";

	private static final Pattern _pattern = Pattern.compile(
		"apply\\s+plugin\\s*:\\s*['\"]com\\.liferay\\.workspace['\"]");

}