/* 
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *        http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */

package net.micode.notes.gtask.remote;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;

import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;


public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
    
    private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
    
    public interface OnCompleteListener {
        void onComplete();
    }
    
    private Context mContext;
    
    private NotificationManager mNotifiManager;
    
    private GTaskManager mTaskManager;
    
    private OnCompleteListener mOnCompleteListener;
    
    public GTaskASyncTask(Context context, OnCompleteListener listener) {
        mContext = context;
        mOnCompleteListener = listener;
        mNotifiManager = (NotificationManager) mContext
                .getSystemService(Context.NOTIFICATION_SERVICE);
        mTaskManager = GTaskManager.getInstance();
    }
    
    public void cancelSync() {
        mTaskManager.cancelSync();
    }
    
    public void publishProgess(String message) {
        publishProgress(new String[]{
                message
        });
    }
    
    private void showNotification(int tickerId, String content) {
        PendingIntent pendingIntent;
        if (tickerId != R.string.ticker_success) {
            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                    NotesPreferenceActivity.class), PendingIntent.FLAG_IMMUTABLE);
        } else {
            pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
                    NotesListActivity.class), PendingIntent.FLAG_IMMUTABLE);
        }
        Notification.Builder builder = new Notification.Builder(mContext)
                .setAutoCancel(true)
                .setContentTitle(mContext.getString(R.string.app_name))
                .setContentText(content)
                .setContentIntent(pendingIntent)
                .setWhen(System.currentTimeMillis())
                .setOngoing(true);
        Notification notification = builder.getNotification();
        mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
    }
    
    @Override
    protected Integer doInBackground(Void... unused) {
        publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
                .getSyncAccountName(mContext)));
        return mTaskManager.sync(mContext, this);
    }
    
    @Override
    protected void onProgressUpdate(String... progress) {
        showNotification(R.string.ticker_syncing, progress[0]);
        if (mContext instanceof GTaskSyncService) {
            ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
        }
    }
    
    @Override
    protected void onPostExecute(Integer result) {
        if (result == GTaskManager.STATE_SUCCESS) {
            showNotification(R.string.ticker_success, mContext.getString(
                    R.string.success_sync_account, mTaskManager.getSyncAccount()));
            NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
        } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
            showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
        } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
            showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
        } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
            showNotification(R.string.ticker_cancel, mContext
                    .getString(R.string.error_sync_cancelled));
        }
        if (mOnCompleteListener != null) {
            new Thread(new Runnable() {
                
                public void run() {
                    mOnCompleteListener.onComplete();
                }
            }).start();
        }
    }
}