/**
 * Copyright (c) 2012 Todoroo Inc
 *
 * See the file "LICENSE" for the full license governing this code.
 */
package com.todoroo.astrid.locale;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;

import com.timsu.astrid.R;
import com.todoroo.andlib.data.TodorooCursor;
import com.todoroo.andlib.service.ContextManager;
import com.todoroo.andlib.service.DependencyInjectionService;
import com.todoroo.andlib.utility.AndroidUtilities;
import com.todoroo.andlib.utility.DateUtilities;
import com.todoroo.andlib.utility.Preferences;
import com.todoroo.astrid.activity.ShortcutActivity;
import com.todoroo.astrid.api.Filter;
import com.todoroo.astrid.core.PluginServices;
import com.todoroo.astrid.data.Task;
import com.todoroo.astrid.reminders.Notifications;
import com.todoroo.astrid.utility.Constants;

/**
 * Receiver is activated when Locale conditions are triggered
 *
 * @author timsu
 *
 */
public class LocaleReceiver extends BroadcastReceiver {

    /**
     * Create a preference key for storing / retrieving last interval time
     * @param filterTitle
     * @param interval
     * @return
     */
    private String makePreferenceKey(String filterTitle, int interval) {
        return "LOCALE:" + filterTitle + interval; //$NON-NLS-1$
    }

    @SuppressWarnings("nls")
    @Override
    /** Called when the system is started up */
    public void onReceive(Context context, Intent intent) {
        ContextManager.setContext(context);

        try {
            if (com.twofortyfouram.Intent.ACTION_FIRE_SETTING.equals(intent.getAction())) {
                if(!PluginServices.getAddOnService().hasLocalePlugin())
                    return;

                final Bundle forwardedBundle = intent.getBundleExtra(com.twofortyfouram.Intent.EXTRA_BUNDLE);

                final String title = forwardedBundle.getString(LocaleEditAlerts.KEY_FILTER_TITLE);
                final String sql = forwardedBundle.getString(LocaleEditAlerts.KEY_SQL);
                final String values = forwardedBundle.getString(LocaleEditAlerts.KEY_VALUES);
                final int interval = forwardedBundle.getInt(LocaleEditAlerts.KEY_INTERVAL, 24*3600);

                if(TextUtils.isEmpty(title) || TextUtils.isEmpty(sql) ||
                        sql.contains("--") || sql.contains(";") || interval == 0)
                    return;

                // check if we've already made a notification recently
                String preferenceKey = makePreferenceKey(title, interval);
                long lastNotifyTime = Preferences.getLong(preferenceKey, 0);
                if(DateUtilities.now() - lastNotifyTime < interval * 1000L) {
                    Log.i("astrid-locale-rx", title + ": Too soon, need " + (interval
                            - (DateUtilities.now() - lastNotifyTime)/1000) + " more seconds");
                    return;
                }

                // find out if we have active tasks with this tag
                DependencyInjectionService.getInstance().inject(this);
                Filter filter = new Filter(title, title, sql, null);
                TodorooCursor<Task> cursor = PluginServices.getTaskService().fetchFiltered(
                        sql, null, Task.ID);
                try {
                    if(cursor.getCount() == 0)
                        return;

                    if(values != null)
                        filter.valuesForNewTasks = AndroidUtilities.contentValuesFromSerializedString(values);

                    Resources r = context.getResources();
                    String reminder = r.getString(R.string.locale_notification).
                            replace("$NUM", r.getQuantityString(R.plurals.Ntasks,
                                    cursor.getCount(), cursor.getCount())).
                            replace("$FILTER", title);

                    // show a reminder
                    String notificationTitle = r.getString(R.string.locale_edit_alerts_title);
                    Intent notifyIntent = ShortcutActivity.createIntent(filter);
                    notifyIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                    Notifications.showNotification(Constants.NOTIFICATION_LOCALE,
                            notifyIntent, 0, notificationTitle, reminder, 1);

                    Preferences.setLong(preferenceKey, DateUtilities.now());
                } finally {
                    cursor.close();
                }
            }
        } catch (Exception e) {
            Log.i("astrid-locale-rx", "Error receiving intent", e);
        }
    }

}