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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.jenkins.results.parser;

import java.io.IOException;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeoutException;

import org.json.JSONObject;

/**
 * @author Michael Hashimoto
 */
public abstract class BaseWorkspace implements Workspace {

	@Override
	public JSONObject getJSONObject() {
		return jsonObject;
	}

	@Override
	public WorkspaceGitRepository getPrimaryWorkspaceGitRepository() {
		return _primaryWorkspaceGitRepository;
	}

	@Override
	public List getWorkspaceGitRepositories() {
		if (_workspaceGitRepositories != null) {
			return new ArrayList<>(_workspaceGitRepositories.values());
		}

		_workspaceGitRepositories = new HashMap<>();

		String workspaceRepositoryDirNames = jsonObject.getString(
			"workspace_repository_dir_names");

		if (JenkinsResultsParserUtil.isNullOrEmpty(
				workspaceRepositoryDirNames)) {

			return new ArrayList<>(_workspaceGitRepositories.values());
		}

		List> callables = new ArrayList<>();

		for (final String workspaceRepositoryDirName :
				workspaceRepositoryDirNames.split(",")) {

			Callable callable =
				new Callable() {

					@Override
					public WorkspaceGitRepository call() {
						return GitRepositoryFactory.getWorkspaceGitRepository(
							workspaceRepositoryDirName.trim());
					}

				};

			callables.add(callable);
		}

		ParallelExecutor parallelExecutor =
			new ParallelExecutor<>(
				callables, false, threadPoolExecutor, true,
				"getWorkspaceGitRepositories");

		try {
			List workspaceGitRepositories =
				parallelExecutor.execute();

			for (WorkspaceGitRepository workspaceGitRepository :
					workspaceGitRepositories) {

				_workspaceGitRepositories.put(
					workspaceGitRepository.getDirectoryName(),
					workspaceGitRepository);
			}

			return new ArrayList<>(_workspaceGitRepositories.values());
		}
		catch (TimeoutException timeoutException) {
			throw new RuntimeException(timeoutException);
		}
	}

	@Override
	public WorkspaceGitRepository getWorkspaceGitRepository(
		String repositoryDirName) {

		if (_workspaceGitRepositories == null) {
			getWorkspaceGitRepositories();
		}

		return _workspaceGitRepositories.get(repositoryDirName);
	}

	@Override
	public void setUp() {
		List> callables = new ArrayList<>();

		for (final WorkspaceGitRepository workspaceGitRepository :
				getWorkspaceGitRepositories()) {

			Callable callable = new Callable() {

				@Override
				public Object call() {
					workspaceGitRepository.setUp();

					return null;
				}

			};

			callables.add(callable);
		}

		ParallelExecutor parallelExecutor = new ParallelExecutor<>(
			callables, false, threadPoolExecutor, true, "setUp");

		try {
			parallelExecutor.execute();
		}
		catch (TimeoutException timeoutException) {
			throw new RuntimeException(timeoutException);
		}

		writePropertiesFiles();
	}

	@Override
	public synchronized void startSynchronizeToGitHubDev() {
		startSynchronizeToGitHubDev(true);
	}

	@Override
	public synchronized void startSynchronizeToGitHubDev(
		boolean synchronizePrimaryWorkspaceGitRepository) {

		if (synchronizePrimaryWorkspaceGitRepository) {
			_primaryWorkspaceGitRepository.synchronizeToGitHubDev();
		}

		if (_parallelExecutor != null) {
			return;
		}

		List> callables = new ArrayList<>();

		for (final WorkspaceGitRepository workspaceGitRepository :
				getWorkspaceGitRepositories()) {

			if (synchronizePrimaryWorkspaceGitRepository &&
				workspaceGitRepository.equals(_primaryWorkspaceGitRepository)) {

				continue;
			}

			Callable callable =
				new ParallelExecutor.SequentialCallable(
					workspaceGitRepository.getName()) {

					@Override
					public Object call() {
						workspaceGitRepository.synchronizeToGitHubDev();

						return null;
					}

				};

			callables.add(callable);
		}

		_parallelExecutor = new ParallelExecutor<>(
			callables, threadPoolExecutor, "startSynchronizeToGitHubDev");

		_parallelExecutor.start();
	}

	@Override
	public synchronized void synchronizeToGitHubDev() {
		startSynchronizeToGitHubDev();

		waitForSynchronizeToGitHubDev();
	}

	@Override
	public void tearDown() {
		List> callables = new ArrayList<>();

		for (final WorkspaceGitRepository workspaceGitRepository :
				getWorkspaceGitRepositories()) {

			Callable callable = new Callable() {

				@Override
				public Object call() {
					try {
						workspaceGitRepository.tearDown();
					}
					catch (Exception exception) {
						exception.printStackTrace();
					}

					return null;
				}

			};

			callables.add(callable);
		}

		ParallelExecutor parallelExecutor = new ParallelExecutor<>(
			callables, threadPoolExecutor, "tearDown");

		try {
			parallelExecutor.execute();
		}
		catch (TimeoutException timeoutException) {
			throw new RuntimeException(timeoutException);
		}
	}

	@Override
	public void waitForSynchronizeToGitHubDev() {
		if (_parallelExecutor == null) {
			throw new RuntimeException(
				"Synchronize to GitHub dev did not start");
		}

		try {
			_parallelExecutor.waitFor();
		}
		catch (TimeoutException timeoutException) {
			throw new RuntimeException(timeoutException);
		}
	}

	@Override
	public void writePropertiesFiles() {
		for (WorkspaceGitRepository workspaceGitRepository :
				getWorkspaceGitRepositories()) {

			workspaceGitRepository.writePropertiesFiles();
		}
	}

	protected BaseWorkspace(JSONObject jsonObject) {
		this.jsonObject = jsonObject;

		_validateKeys();

		_primaryWorkspaceGitRepository =
			GitRepositoryFactory.getWorkspaceGitRepository(
				this.jsonObject.getString("primary_repository_name"),
				this.jsonObject.getString("primary_upstream_branch_name"));

		BuildDatabase buildDatabase = BuildDatabaseUtil.getBuildDatabase();

		String workspaceRepositoryDirNames = jsonObject.getString(
			"workspace_repository_dir_names");

		_workspaceGitRepositories = new HashMap<>();

		for (final String workspaceRepositoryDirName :
				workspaceRepositoryDirNames.split("\\s*,\\s*")) {

			try {
				_workspaceGitRepositories.put(
					workspaceRepositoryDirName,
					buildDatabase.getWorkspaceGitRepository(
						workspaceRepositoryDirName));
			}
			catch (Exception exception) {
				exception.printStackTrace();
			}
		}
	}

	protected BaseWorkspace(
		String primaryRepositoryName, String upstreamBranchName) {

		this(primaryRepositoryName, upstreamBranchName, null);
	}

	protected BaseWorkspace(
		String primaryRepositoryName, String upstreamBranchName,
		String jobName) {

		_primaryWorkspaceGitRepository =
			GitRepositoryFactory.getWorkspaceGitRepository(
				primaryRepositoryName, upstreamBranchName);

		jsonObject = new JSONObject();

		jsonObject.put(
			"primary_repository_dir_name",
			_primaryWorkspaceGitRepository.getDirectoryName()
		).put(
			"primary_repository_name", _primaryWorkspaceGitRepository.getName()
		).put(
			"primary_upstream_branch_name",
			_primaryWorkspaceGitRepository.getUpstreamBranchName()
		);

		try {
			jsonObject.put(
				"workspace_repository_dir_names",
				JenkinsResultsParserUtil.removeDuplicates(
					",",
					JenkinsResultsParserUtil.getProperty(
						JenkinsResultsParserUtil.getBuildProperties(),
						"workspace.repository.dir.names",
						_primaryWorkspaceGitRepository.getName(),
						_primaryWorkspaceGitRepository.getUpstreamBranchName(),
						jobName)));
		}
		catch (IOException ioException) {
			throw new RuntimeException(ioException);
		}

		_validateKeys();
	}

	protected static final ThreadPoolExecutor threadPoolExecutor =
		JenkinsResultsParserUtil.getNewThreadPoolExecutor(16, true);

	protected final JSONObject jsonObject;

	private void _validateKeys() {
		for (String requiredKey : _REQUIRED_KEYS) {
			if (!jsonObject.has(requiredKey)) {
				throw new RuntimeException("Missing " + requiredKey);
			}
		}
	}

	private static final String[] _REQUIRED_KEYS = {
		"primary_repository_dir_name", "primary_repository_name",
		"primary_upstream_branch_name", "workspace_repository_dir_names"
	};

	private ParallelExecutor _parallelExecutor;
	private final WorkspaceGitRepository _primaryWorkspaceGitRepository;
	private Map _workspaceGitRepositories;

}