/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.shared.release.phase;

import java.util.List;

import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.project.MavenProject;
import org.apache.maven.scm.manager.NoSuchScmProviderException;
import org.apache.maven.scm.repository.ScmRepositoryException;
import org.apache.maven.shared.release.ReleaseExecutionException;
import org.apache.maven.shared.release.ReleaseFailureException;
import org.apache.maven.shared.release.ReleaseResult;
import org.apache.maven.shared.release.config.ReleaseDescriptor;
import org.apache.maven.shared.release.env.ReleaseEnvironment;
import org.apache.maven.shared.release.scm.ReleaseScmRepositoryException;
import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;
import org.apache.maven.shared.release.util.MavenExpression;
import org.codehaus.plexus.util.StringUtils;

import static java.util.Objects.requireNonNull;

/**
 * Phase that checks the validity of the POM before release.
 *
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 */
public abstract class AbstractCheckPomPhase extends AbstractReleasePhase {

    private final ScmRepositoryConfigurator scmRepositoryConfigurator;

    /**
     * @since 2.4
     */
    private final boolean scmRequired;

    /**
     * @since 2.5.2
     */
    private final boolean snapshotsRequired;

    public AbstractCheckPomPhase(
            ScmRepositoryConfigurator scmRepositoryConfigurator, boolean scmRequired, boolean snapshotsRequired) {
        this.scmRepositoryConfigurator = requireNonNull(scmRepositoryConfigurator);
        this.scmRequired = scmRequired;
        this.snapshotsRequired = snapshotsRequired;
    }

    @Override
    public ReleaseResult execute(
            ReleaseDescriptor releaseDescriptor,
            ReleaseEnvironment releaseEnvironment,
            List<MavenProject> reactorProjects)
            throws ReleaseExecutionException, ReleaseFailureException {
        ReleaseResult result = new ReleaseResult();

        // Currently, we don't deal with multiple SCM locations in a multiproject
        if (scmRequired) {
            if (StringUtils.isEmpty(releaseDescriptor.getScmSourceUrl())) {
                throw new ReleaseFailureException(
                        "Missing required setting: scm connection or developerConnection must be specified.");
            }

            try {
                scmRepositoryConfigurator.getConfiguredRepository(releaseDescriptor, releaseEnvironment.getSettings());
            } catch (ScmRepositoryException e) {
                throw new ReleaseScmRepositoryException(e.getMessage(), e.getValidationMessages());
            } catch (NoSuchScmProviderException e) {
                throw new ReleaseFailureException(
                        "The provider given in the SCM URL could not be found: " + e.getMessage());
            }
        }

        boolean containsSnapshotProjects = false;

        for (MavenProject project : reactorProjects) {
            String projectVersion = MavenExpression.evaluate(project.getVersion(), project.getProperties());
            if (ArtifactUtils.isSnapshot(projectVersion)) {
                containsSnapshotProjects = true;

                break;
            }
        }

        if (snapshotsRequired && !containsSnapshotProjects && !releaseDescriptor.isBranchCreation()) {
            throw new ReleaseFailureException("You don't have a SNAPSHOT project in the reactor projects list.");
        }

        result.setResultCode(ReleaseResult.SUCCESS);

        return result;
    }

    @Override
    public ReleaseResult simulate(
            ReleaseDescriptor releaseDescriptor,
            ReleaseEnvironment releaseEnvironment,
            List<MavenProject> reactorProjects)
            throws ReleaseExecutionException, ReleaseFailureException {
        // It makes no modifications, so simulate is the same as execute
        return execute(releaseDescriptor, releaseEnvironment, reactorProjects);
    }
}
