/*******************************************************************************
 * Copyright (c) 2014 - 2018 Andre Bossert.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Andre Bossert - initial API and implementation and/or initial documentation
 *******************************************************************************/

package de.anbos.eclipse.easyshell.plugin;

import java.net.URL;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.preferences.ScopedPreferenceStore;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;

import de.anbos.eclipse.easyshell.plugin.misc.Utils;
import de.anbos.eclipse.easyshell.plugin.preferences.GeneralDataStore;
import de.anbos.eclipse.easyshell.plugin.types.Category;
import de.anbos.eclipse.easyshell.plugin.types.Debug;
import de.anbos.eclipse.easyshell.plugin.types.OS;
import de.anbos.eclipse.easyshell.plugin.types.Tooltip;
import de.anbos.eclipse.easyshell.plugin.types.Version;

/**
 * The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {

    // The shared instance
    private static Activator plugin;

    //Resource bundle.
    private ResourceBundle resourceBundle;

    private List<String> imageNames;

    /**
     * Storage for preferences.
     */
    private IPreferenceStore myPreferenceStore;

    /**
     * The constructor
     */
    public Activator() {
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
        plugin = this;
        try {
            //resourceBundle = Platform.getResourceBundle(context.getBundle());
            resourceBundle = ResourceBundle.getBundle(Constants.PLUGIN_ID + ".UIMessages"); //$NON-NLS-1$
        } catch (MissingResourceException x) {
            resourceBundle = null;
        }
        getImageRegistry();
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
     */
    public void stop(BundleContext context) throws Exception {
        plugin = null;
        super.stop(context);
    }

    /**
     * Returns the shared instance
     *
     * @return the shared instance
     */
    public static Activator getDefault() {
        return plugin;
    }

    /**
     * Returns an image descriptor for the image file at the given
     * plug-in relative path
     *
     * @param path the path
     * @return the image descriptor
     */
    /*
    public static ImageDescriptor getImageDescriptor(String path) {
        return imageDescriptorFromPlugin(Constants.PLUGIN_ID, path);
    }
    */
    public static ImageDescriptor getImageDescriptor(String id) {
        return getDefault().getImageRegistry().getDescriptor(id);
    }

    public static Image getImage(String id) {
        return getDefault().getImageRegistry().get(id);
    }

    protected void initializeImageRegistry(ImageRegistry registry) {
        imageNames = new ArrayList<String>();
        Bundle bundle = Platform.getBundle(Constants.PLUGIN_ID);
        OS os = Utils.getOS();
        for (String imageId : Category.getImageIdsAsList()) {
            String imagePath = Constants.IMAGE_PATH + os.getId() + "/" + imageId + Constants.IMAGE_EXT;
            URL url = bundle.getEntry(imagePath);
            if (url == null) {
                imagePath = Constants.IMAGE_PATH + imageId + Constants.IMAGE_EXT;
            }
            addImageToRegistry(registry, bundle, imagePath, imageId);
        }
        addImageToRegistry(registry, bundle, Constants.IMAGE_PATH + Constants.IMAGE_EASYSHELL + Constants.IMAGE_EXT, Constants.IMAGE_EASYSHELL);
        addImageToRegistry(registry, bundle, Constants.IMAGE_PATH + Constants.IMAGE_ECLIPSE + Constants.IMAGE_EXT, Constants.IMAGE_ECLIPSE);
     }

    protected void addImageToRegistry(ImageRegistry registry, Bundle bundle, String imagePath, String image_id) {
        IPath path = new Path(imagePath);
        URL url = FileLocator.find(bundle, path, null);
        ImageDescriptor desc = ImageDescriptor.createFromURL(url);
        registry.put(image_id, desc);
        imageNames.add(image_id);
    }

    public static List<String> getImageNames() {
        return getDefault().imageNames;
    }

    public ResourceBundle getResourceBundle() {
        return resourceBundle;
    }

    public static String getResourceString(String key) {
        ResourceBundle bundle = Activator.getDefault().getResourceBundle();
        try {
            return (bundle != null) ? bundle.getString(key) : key;
        } catch (MissingResourceException e) {
            return key;
        }
    }

    public static String getResourceString(String key, Object[] args) {
        return MessageFormat.format(getResourceString(key),args);
    }

    public static void log(String msg) {
        log(null, msg, null);
    }

    public static void log(String msg, Exception e) {
        logInfo(null, msg, e, false);
     }

    public static void log(String title, String msg, Exception e) {
       logInfo(title, msg, e, false);
    }

    public static void logSuccess(String title, String msg, Exception e, boolean tooltip) {
        log(Status.OK, title != null ? title + ": " + msg : msg, e);
        if (tooltip) {
            tooltipSuccess(title, msg);
        }
    }

    public static void logInfo(String title, String msg, Exception e, boolean tooltip) {
        log(Status.INFO, title != null ? title + ": " + msg : msg, e);
        if (tooltip) {
            tooltipInfo(title, msg);
        }
    }

    public static void logWarning(String title, String msg, Exception e, boolean tooltip) {
        log(Status.WARNING, title != null ? title + ": " + msg : msg, e);
        if (tooltip) {
            tooltipWarning(title, msg);
        }
    }

    public static void logError(String title, String msg, Exception e, boolean tooltip) {
        log(Status.ERROR, title != null ? title + ": " + msg : msg, e);
        if (tooltip && (GeneralDataStore.instance().getData().getToolTipError() == Tooltip.tooltipYes)) {
            tooltipError(title, msg);
        }
    }

    public static void logSuccess(String msg, Exception e) {
        logSuccess(null, msg, e, false);
    }

    public static void logInfo(String msg, Exception e) {
        logInfo(null, msg, e, false);
    }

    public static void logWarning(String msg, Exception e) {
        logWarning(null, msg, e, false);
    }

    public static void logError(String msg, Exception e) {
        logError(null, msg, e, false);
    }

    public static void log(int status, String msg, Exception e) {
        getDefault().getLog().log(new Status(status, Constants.PLUGIN_ID, Status.OK, msg, e));
     }

    public static void tooltipSuccess(String title, String msg) {
        Utils.showToolTipSuccess(null, getResourceString("easyshell.plugin.name") + ": " + title, msg);
    }

    public static void tooltipInfo(String title, String msg) {
        Utils.showToolTipInfo(null, getResourceString("easyshell.plugin.name") + ": " + title, msg);
    }

    public static void tooltipWarning(String title, String msg) {
        Utils.showToolTipWarning(null, getResourceString("easyshell.plugin.name") + ": " + title, msg);
    }

    public static void tooltipError(String title, String msg) {
        Utils.showToolTipError(null, getResourceString("easyshell.plugin.name") + ": " + title, msg);
    }

    public static void logDebug(String string) {
        Debug debug = GeneralDataStore.instance().getData().getDebug();
        if (debug == Debug.debugYes) {
            logInfo(string, null);
        }
    }

    @Override
    public IPreferenceStore getPreferenceStore() {
        // Create the preference store lazily.
        if (myPreferenceStore == null) {
            myPreferenceStore = getPreferenceStoreByVersion(Version.actual.name());
        }
        return myPreferenceStore;
    }

    public IPreferenceStore getPreferenceStoreByVersion(String version) {
        String pluginNodeName = getBundle().getSymbolicName();
        return new ScopedPreferenceStore(InstanceScope.INSTANCE, pluginNodeName + "/" + version, pluginNodeName);
    }

    public IPreferenceStore getLegacyPreferenceStore() {
        String pluginNodeName = "com.tetrade.eclipse.plugins.easyshell";
        return new ScopedPreferenceStore(InstanceScope.INSTANCE, pluginNodeName, pluginNodeName);
    }

}