package org.kuali.maven.plugin.ksite.mojo;

 import org.apache.commons.lang.StringUtils;

 import org.apache.maven.model.DistributionManagement;

 import org.apache.maven.model.Site;

 import org.apache.maven.plugin.AbstractMojo;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.MojoFailureException;

 import org.apache.maven.project.MavenProject;

 import org.kuali.maven.common.SiteContext;

 import org.kuali.maven.common.UrlBuilder;

 /**

  * This plugin organizes/standardizes the maven site publication process for the Kuali organization

  *

  * @goal updatesiteproperties

  * @phase pre-site

  */

 public class KualiSiteMojo extends AbstractMojo implements SiteContext {

     /**

      * The prefix into the bucket when downloading a snapshot version

      *

      * @parameter expression="${downloadSnapshotPrefix}" default-value="snapshot"

      */

     private String downloadSnapshotPrefix;

     /**

      * The prefix into the bucket when downloading a release version

      *

      * @parameter expression="${downloadReleasePrefix}" default-value="release"

      */

     private String downloadReleasePrefix;

     /**

      * The protocol used when publishing the web site

      *

      * @parameter expression="${publishUrlProtocol}" default-value="s3"

      */

     private String publishUrlProtocol;

     /**

      * The protocol for the public facing website

      *

      * @parameter expression="${publicUrlProtocol}" default-value="http"

      */

     private String publicUrlProtocol;

     /**

      * The prefix for the location that artifacts can be downloaded from

      *

      * @parameter expression="${downloadPrefix}"

      * default-value="http://s3browse.springsource.com/browse/maven.kuali.org/"

      */

     private String downloadPrefix;

     /**

      * The groupId for the organization

      *

      * @parameter expression="${organizationGroupId}" default-value="org.kuali"

      */

     private String organizationGroupId;

     /**

      * The name of the AWS bucket the site gets published to

      *

      * @parameter expression="${bucket}" default-value="site.origin.kuali.org"

      * @required

      */

     private String bucket;

     /**

      * The public DNS name for the site

      *

      * @parameter expression="${hostname}" default-value="site.kuali.org"

      * @required

      */

     private String hostname;

     /**

      * The Maven project this plugin runs in.

      *

      * @parameter expression="${project}"

      * @required

      * @readonly

      */

     private MavenProject project;

     @Override

     public void execute() throws MojoExecutionException, MojoFailureException {

         UrlBuilder builder = new UrlBuilder();

         // Generate our urls

         String publicUrl = builder.getPublicUrl(getProject(), this);

         String publishUrl = builder.getPublishUrl(getProject(), this);

         String downloadUrl = builder.getDownloadUrl(getProject(), this);

         // Get a reference to the relevant model objects

         MavenProject project = getProject();

         DistributionManagement dm = project.getDistributionManagement();

         Site site = dm.getSite();

         // Update the model with our generated urls as needed

         handlePublicUrl(publicUrl, project);

         handlePublishUrl(publishUrl, site);

         handleDownloadUrl(downloadUrl, dm);

     }

     /**

      * Return true if "s" is empty or contains "token"

      */

     protected boolean isReplace(final String s, final String token) {

         if (StringUtils.isEmpty(s)) {

             return true;

         }

         int pos = s.indexOf(token);

         if (pos != -1) {

             return true;

         }

         return false;

     }

     protected void warn(final String pomString, final String calculatedString, final String propertyDescription) {

         getLog().warn("****************************************");

         getLog().warn(propertyDescription + " mismatch");

         getLog().warn("Value from the POM: " + pomString);

         getLog().warn("  Calculated value: " + calculatedString);

         getLog().warn("****************************************");

     }

     /**

      * Return true if the 2 urls are exactly the same or if the only thing different about them is a trailing slash

      */

     protected boolean isUrlMatch(final String url1, final String url2) {

         if (url1.equals(url2)) {

             return true;

         }

         if ((url1 + "/").equals(url2)) {

             return true;

         }

         if (url1.equals(url2 + "/")) {

             return true;

         }

         return false;

     }

     protected void handleDownloadUrl(final String downloadUrl, final DistributionManagement dm) {

         if (isReplace(dm.getDownloadUrl(), "${kuali.site.download.url}")) {

             getLog().info("Setting download url to " + downloadUrl + " (was " + dm.getDownloadUrl() + ")");

             dm.setDownloadUrl(downloadUrl);

             return;

         }

         if (!isUrlMatch(downloadUrl, dm.getDownloadUrl())) {

             warn(dm.getDownloadUrl(), downloadUrl, "Download url");

         }

         getLog().info("Using download url from the POM " + dm.getDownloadUrl());

     }

     protected void handlePublishUrl(final String publishUrl, final Site site) {

         if (isReplace(site.getUrl(), "${kuali.site.publish.url}")) {

             getLog().info("Setting site publication url to " + publishUrl + " (was " + site.getUrl() + ")");

             site.setUrl(publishUrl);

             return;

         }

         if (!isUrlMatch(publishUrl, site.getUrl())) {

             warn(site.getUrl(), publishUrl, "Site publication url");

         }

         getLog().info("Using site publication url from the POM " + site.getUrl());

     }

     protected void handlePublicUrl(final String publicUrl, final MavenProject project) {

         if (isReplace(project.getUrl(), "${kuali.site.public.url}")) {

             getLog().info("Setting public url to " + publicUrl + " (was " + project.getUrl() + ")");

             project.setUrl(publicUrl);

             return;

         }

         if (!isUrlMatch(publicUrl, project.getUrl())) {

             warn(project.getUrl(), publicUrl, "Public url");

         }

         getLog().info("Using public url from the POM " + project.getUrl());

     }

     /**

      * @return the project

      */

     public MavenProject getProject() {

         return project;

     }

     /**

      * @param project

      * the project to set

      */

     public void setProject(final MavenProject project) {

         this.project = project;

     }

     /**

      * @return the bucket

      */

     @Override

     public String getBucket() {

         return bucket;

     }

     /**

      * @param bucket

      * the bucket to set

      */

     public void setBucket(final String bucket) {

         this.bucket = bucket;

     }

     /**

      * @return the hostname

      */

     @Override

     public String getHostname() {

         return hostname;

     }

     /**

      * @param hostname

      * the hostname to set

      */

     public void setHostname(final String hostname) {

         this.hostname = hostname;

     }

     /**

      * @return the downloadPrefix

      */

     @Override

     public String getDownloadPrefix() {

         return downloadPrefix;

     }

     /**

      * @param downloadPrefix

      * the downloadPrefix to set

      */

     public void setDownloadPrefix(final String downloadPrefix) {

         this.downloadPrefix = downloadPrefix;

     }

     /**

      * @return the parentGroupId

      */

     @Override

     public String getOrganizationGroupId() {

         return organizationGroupId;

     }

     /**

      * @param parentGroupId

      * the parentGroupId to set

      */

     public void setOrganizationGroupId(final String parentGroupId) {

         this.organizationGroupId = parentGroupId;

     }

     /**

      * @return the publishUrlProtocol

      */

     @Override

     public String getPublishUrlProtocol() {

         return publishUrlProtocol;

     }

     /**

      * @param publishUrlProtocol

      * the publishUrlProtocol to set

      */

     public void setPublishUrlProtocol(final String publishUrlProtocol) {

         this.publishUrlProtocol = publishUrlProtocol;

     }

     /**

      * @return the publicUrlProtocol

      */

     @Override

     public String getPublicUrlProtocol() {

         return publicUrlProtocol;

     }

     /**

      * @param publicUrlProtocol

      * the publicUrlProtocol to set

      */

     public void setPublicUrlProtocol(final String publicUrlProtocol) {

         this.publicUrlProtocol = publicUrlProtocol;

     }

     /**

      * @return the downloadSnapshotPrefix

      */

     @Override

     public String getDownloadSnapshotPrefix() {

         return downloadSnapshotPrefix;

     }

     /**

      * @param downloadSnapshotPrefix

      * the downloadSnapshotPrefix to set

      */

     public void setDownloadSnapshotPrefix(final String downloadSnapshotPrefix) {

         this.downloadSnapshotPrefix = downloadSnapshotPrefix;

     }

     /**

      * @return the downloadReleasePrefix

      */

     @Override

     public String getDownloadReleasePrefix() {

         return downloadReleasePrefix;

     }

     /**

      * @param downloadReleasePrefix

      * the downloadReleasePrefix to set

      */

     public void setDownloadReleasePrefix(final String downloadReleasePrefix) {

         this.downloadReleasePrefix = downloadReleasePrefix;

     }

 }