package net.sourceforge.phpeclipse.preferences;

import net.sourceforge.phpeclipse.PHPeclipsePlugin;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.QualifiedName;


public class ProjectProperties
   implements IObfuscatorPreferences
{
   private IProject project;

  // private static final String DEFAULT_BUILD = String.valueOf(DEFAULT_BUILD_VALUE);

   public ProjectProperties(IProject project)
   {
      this.project = project;
   }
   
   
   public String getPublish()
      throws CoreException
   {
      return getProperty(PUBLISH_PROPERTY_NAME,DEFAULT_PUBLISH_DIR);
   }

   public boolean hasNature()
      throws CoreException
   {
      return project.hasNature(PHPeclipsePlugin.PHP_NATURE_ID);
   }
   
   public void setPublish(String publish)
      throws CoreException
   {
      setProperty(PUBLISH_PROPERTY_NAME,publish,DEFAULT_PUBLISH_DIR);
   }

   
   public void setNature(boolean nature)
      throws CoreException
   {
      if(nature)
      {
         if(!hasNature())
         {
            IProjectDescription description = project.getDescription();
            String[] old = description.getNatureIds(),
                     natures= new String[old.length + 1];
            System.arraycopy(old,0,natures,0,old.length);
            natures[old.length] = PHPeclipsePlugin.PHP_NATURE_ID;
            description.setNatureIds(natures);
            project.setDescription(description,new NullProgressMonitor());
         }
      }
      else
      {
         if(hasNature())
         {
            IProjectDescription description = project.getDescription();
            String[] old = description.getNatureIds(),
                     natures= new String[old.length - 1];
            int i = 0,
                 j = 0;
            while(i < old.length)
            {
               if(!old[i].equals(PHPeclipsePlugin.PHP_NATURE_ID))
                  natures[j++] = old[i];
               i++;
            }
            description.setNatureIds(natures);
            project.setDescription(description,new NullProgressMonitor());
         }
      }
   }

   protected String getProperty(QualifiedName key,String def)
      throws CoreException
   {
      String value = project.getPersistentProperty(key);
      if(value == null || value.length() == 0)
         return def;
      else
         return value;
   }

   protected void setProperty(QualifiedName key,String value,String def)
      throws CoreException
   {
       if(value != null && value.length() != 0 && hasNature())
       {
          if(value.equals(def))
             project.setPersistentProperty(key,null);
          else
             project.setPersistentProperty(key,value);
       }
   }
}