package net.sourceforge.phpeclipse;

import java.util.ArrayList;
import java.util.List;

import net.sourceforge.phpeclipse.resourcesview.PHPFile;
import net.sourceforge.phpeclipse.resourcesview.PHPProject;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;

public class PHPCore {

  public static IProject[] getPHPProjects() {
    List phpProjectsList = new ArrayList();
    IProject[] workspaceProjects = PHPeclipsePlugin.getDefault().getWorkspace().getRoot().getProjects();

    for (int i = 0; i < workspaceProjects.length; i++) {
      IProject iProject = workspaceProjects[i];
      if (isPHPProject(iProject))
        phpProjectsList.add(iProject);
    }

    IProject[] phpProjects = new IProject[phpProjectsList.size()];
    return (IProject[]) phpProjectsList.toArray(phpProjects);
  }

  public static PHPProject getPHPProject(String name) {
    IProject aProject = PHPeclipsePlugin.getDefault().getWorkspace().getRoot().getProject(name);
    if (isPHPProject(aProject)) {
      PHPProject thePHPProject = new PHPProject();
      thePHPProject.setProject(aProject);
      return thePHPProject;
    }
    return null;
  }

  public static boolean isPHPProject(IProject aProject) {
    try {
      return aProject.hasNature(PHPeclipsePlugin.PHP_NATURE_ID);
    } catch (CoreException e) {
    }

    return false;
  }

  public static PHPFile create(IFile aFile) {
    if (PHPFile.EXTENSION.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);
    if (PHPFile.EXTENSION1.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);
    if (PHPFile.EXTENSION2.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);
    if (PHPFile.EXTENSION3.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);
    if (PHPFile.EXTENSION4.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);
    if (PHPFile.EXTENSION5.equalsIgnoreCase(aFile.getFileExtension()))
      return new PHPFile(aFile);

    return null;
  }

  public static PHPProject create(IProject aProject) {
    try {
      if (aProject.hasNature(PHPeclipsePlugin.PHP_NATURE_ID)) {
        PHPProject project = new PHPProject();
        project.setProject(aProject);
        return project;
      }
    } catch (CoreException e) {
      System.err.println("Exception occurred in PHPCore#create(IProject): " + e.toString());
    }

    return null;
  }

  public static void addPHPNature(IProject project, IProgressMonitor monitor) throws CoreException {
    if (!project.hasNature(PHPeclipsePlugin.PHP_NATURE_ID)) {
      IProjectDescription description = project.getDescription();
      String[] prevNatures = description.getNatureIds();
      String[] newNatures = new String[prevNatures.length + 1];
      System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
      newNatures[prevNatures.length] = PHPeclipsePlugin.PHP_NATURE_ID;
      description.setNatureIds(newNatures);
      project.setDescription(description, monitor);
    }
  }
}