/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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 com.android.settings.sim;

import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE;
import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_ALL;
import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_DATA;
import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_NONE;
import static android.telephony.TelephonyManager.EXTRA_SUBSCRIPTION_ID;

import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;

import com.android.settings.R;
import com.android.settings.Settings.SimSettingsActivity;

import androidx.core.app.NotificationCompat;

public class SimSelectNotification extends BroadcastReceiver {
    private static final String TAG = "SimSelectNotification";
    private static final int NOTIFICATION_ID = 1;

    private static final String SIM_SELECT_NOTIFICATION_CHANNEL =
            "sim_select_notification_channel";

    @Override
    public void onReceive(Context context, Intent intent) {
        if (!TelephonyManager.ACTION_PRIMARY_SUBSCRIPTION_LIST_CHANGED.equals(intent.getAction())) {
            return;
        }
        // Cancel any previous notifications
        cancelNotification(context);
        // Create a notification to tell the user that some defaults are missing
        createNotification(context);

        int dialogType = intent.getIntExtra(EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE,
                EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_NONE);
        if (dialogType == EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_ALL) {
            int subId = intent.getIntExtra(EXTRA_SUBSCRIPTION_ID,
                    SubscriptionManager.DEFAULT_SUBSCRIPTION_ID);
            int slotIndex = SubscriptionManager.getSlotIndex(subId);
            // If there is only one subscription, ask if user wants to use if for everything
            Intent newIntent = new Intent(context, SimDialogActivity.class);
            newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.PREFERRED_PICK);
            newIntent.putExtra(SimDialogActivity.PREFERRED_SIM, slotIndex);
            context.startActivity(newIntent);
        } else if (dialogType == EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_DATA) {
            // If there are mulitple, ensure they pick default data
            Intent newIntent = new Intent(context, SimDialogActivity.class);
            newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.DATA_PICK);
            context.startActivity(newIntent);
        }
    }

    private void createNotification(Context context){
        final Resources resources = context.getResources();

        NotificationChannel notificationChannel = new NotificationChannel(
                SIM_SELECT_NOTIFICATION_CHANNEL,
                resources.getString(R.string.sim_selection_channel_title),
                NotificationManager.IMPORTANCE_LOW);

        NotificationCompat.Builder builder =
                new NotificationCompat.Builder(context, SIM_SELECT_NOTIFICATION_CHANNEL)
                .setSmallIcon(R.drawable.ic_sim_card_alert_white_48dp)
                .setColor(context.getColor(R.color.sim_noitification))
                .setContentTitle(resources.getString(R.string.sim_notification_title))
                .setContentText(resources.getString(R.string.sim_notification_summary));
        Intent resultIntent = new Intent(context, SimSettingsActivity.class);
        resultIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        PendingIntent resultPendingIntent = PendingIntent.getActivity(context, 0, resultIntent,
                PendingIntent.FLAG_CANCEL_CURRENT);
        builder.setContentIntent(resultPendingIntent);
        NotificationManager notificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.createNotificationChannel(notificationChannel);
        notificationManager.notify(NOTIFICATION_ID, builder.build());
    }

    public static void cancelNotification(Context context) {
        NotificationManager notificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.cancel(NOTIFICATION_ID);
    }
}