package org.eclipse.dltk.launching.sourcelookup.containers;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.sourcelookup.ISourceContainerType;
import org.eclipse.debug.core.sourcelookup.containers.AbstractSourceContainer;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.search.IDLTKSearchScope;
import org.eclipse.dltk.core.search.SearchEngine;
import org.eclipse.dltk.internal.core.Openable;
import org.eclipse.dltk.internal.core.util.HandleFactory;
import org.eclipse.dltk.launching.ScriptLaunchConfigurationConstants;

public class BuildpathContainerSourceContainer extends AbstractSourceContainer {

	public static final String TYPE_ID = "org.eclipse.dltk.launching.sourceContainer.buildpathContainer"; //$NON-NLS-1$

	private String libraryPath;

	public BuildpathContainerSourceContainer(String location) {
		libraryPath = location;
	}

	@Override
	public Object[] findSourceElements(String name) throws CoreException {
		if (name.indexOf(libraryPath) == -1) {
			return new Object[0];
		}

		// Lets try to locate model element.
		try {
			final ILaunchConfiguration configuration = getDirector()
					.getLaunchConfiguration();

			String projectName;

			projectName = configuration.getAttribute(
					ScriptLaunchConfigurationConstants.ATTR_PROJECT_NAME,
					(String) null);

			if (projectName != null) {

				IProject project = ResourcesPlugin.getWorkspace().getRoot()
						.getProject(projectName);
				IScriptProject prj = DLTKCore.create(project);
				IDLTKSearchScope scope = SearchEngine.createSearchScope(prj);
				HandleFactory fac = new HandleFactory();
				Openable op = fac.createOpenable(name, scope);

				if (op != null && op.exists() && op instanceof IStorage) {
					return new Object[] { op };
				}
			}
		} catch (CoreException e) {
			// TODO: log this
			e.printStackTrace();
		}

		return new Object[0];
	}

	@Override
	public String getName() {
		return libraryPath;
	}

	@Override
	public ISourceContainerType getType() {
		// TODO Auto-generated method stub
		return null;
	}

}