package com.marianhello.bgloc.sync;

import android.accounts.Account;
import android.app.Service;
import android.content.ContentResolver;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;

/**
 * Define a Service that returns an IBinder for the
 * sync adapter class, allowing the sync adapter framework to call
 * onPerformSync().
 */
public class SyncService extends Service {
    // Storage for an instance of the sync adapter
    private static SyncAdapter sSyncAdapter = null;
    // Object to use as a thread-safe lock
    private static final Object sSyncAdapterLock = new Object();

    /**
     * Instantiate the sync adapter object.
     */
    @Override
    public void onCreate() {
        /*
         * Create the sync adapter as a singleton.
         * Set the sync adapter as syncable
         * Disallow parallel syncs
         */
        synchronized (sSyncAdapterLock) {
            if (sSyncAdapter == null) {
                sSyncAdapter = new SyncAdapter(getApplicationContext(), true);
            }
        }
    }

    /**
     * Return an object that allows the system to invoke
     * the sync adapter.
     *
     */
    @Override
    public IBinder onBind(Intent intent) {
        /*
         * Get the object that allows external processes
         * to call onPerformSync(). The object is created
         * in the base class code when the SyncAdapter
         * constructors call super()
         */
        return sSyncAdapter.getSyncAdapterBinder();
    }

    public static void sync(Account account, String authority, boolean manual) {
        // Pass the settings flags by inserting them in a bundle
        Bundle settingsBundle = new Bundle();
        settingsBundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, manual);
        settingsBundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, manual);
        settingsBundle.putBoolean(ContentResolver.SYNC_EXTRAS_DO_NOT_RETRY, false);
        settingsBundle.putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, true);

        /*
         * Request the sync for the default account, authority, and
         * manual sync settings
         */
        ContentResolver.requestSync(account, authority, settingsBundle);
    }
}