package org.simantics.district.maps.server;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Path;
import java.nio.file.Paths;

import org.eclipse.core.runtime.FileLocator;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;

public class Activator implements BundleActivator {

    public static final String PLUGIN_ID = "org.simantics.maps.server";
    private static BundleContext context;
    private static Activator defaultt;

    static BundleContext getContext() {
        return context;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.
     * BundleContext)
     */
    public void start(BundleContext bundleContext) throws Exception {
        Activator.context = bundleContext;
        Activator.defaultt = this;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext bundleContext) throws Exception {
        Activator.context = null;
        Activator.defaultt = null;
    }

    public static Path getNodeJSRoot() throws IOException, URISyntaxException {
        return resolvePath("/node");
    }
    
    public static Path getTileserverMapnikRoot() throws IOException, URISyntaxException {
        return resolvePath("/server");
    }
    
    private static Path resolvePath(String entry) throws IOException, URISyntaxException {
        URL entryURL = getContext().getBundle().getEntry(entry);
        URL entryFileURL = FileLocator.toFileURL(entryURL);
        URI encodedUri = new URI(entryFileURL.getProtocol(), entryFileURL.getPath(), null).normalize();
        return Paths.get(encodedUri);
    }

    public static Activator getDefault() {
        return defaultt;
    }

}