/*
 * Copyright (c) 2010-2019 Belledonne Communications SARL.
 *
 * This file is part of linphone-android
 * (see https://www.linphone.org).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.linphone.compatibility;

import static org.linphone.compatibility.Compatibility.CHAT_NOTIFICATIONS_GROUP;
import static org.linphone.compatibility.Compatibility.INTENT_LOCAL_IDENTITY;
import static org.linphone.compatibility.Compatibility.INTENT_MARK_AS_READ_ACTION;
import static org.linphone.compatibility.Compatibility.INTENT_NOTIF_ID;
import static org.linphone.compatibility.Compatibility.INTENT_REPLY_NOTIF_ACTION;
import static org.linphone.compatibility.Compatibility.KEY_TEXT_REPLY;

import android.annotation.TargetApi;
import android.app.ActivityManager;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.Person;
import android.app.RemoteInput;
import android.app.usage.UsageStatsManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.drawable.Icon;
import org.linphone.R;
import org.linphone.notifications.Notifiable;
import org.linphone.notifications.NotifiableMessage;
import org.linphone.notifications.NotificationBroadcastReceiver;

@TargetApi(28)
class ApiTwentyEightPlus {
    public static Notification createMessageNotification(
            Context context, Notifiable notif, Bitmap contactIcon, PendingIntent intent) {

        Person me = new Person.Builder().setName(notif.getMyself()).build();
        Notification.MessagingStyle style = new Notification.MessagingStyle(me);
        for (NotifiableMessage message : notif.getMessages()) {
            Icon userIcon = null;
            if (message.getSenderBitmap() != null) {
                userIcon = Icon.createWithBitmap(message.getSenderBitmap());
            }

            Person.Builder builder = new Person.Builder().setName(message.getSender());
            if (userIcon != null) {
                builder.setIcon(userIcon);
            }
            Person user = builder.build();

            Notification.MessagingStyle.Message msg =
                    new Notification.MessagingStyle.Message(
                            message.getMessage(), message.getTime(), user);
            if (message.getFilePath() != null)
                msg.setData(message.getFileMime(), message.getFilePath());
            style.addMessage(msg);
        }
        if (notif.isGroup()) {
            style.setConversationTitle(notif.getGroupTitle());
        }
        style.setGroupConversation(notif.isGroup());

        return new Notification.Builder(
                        context, context.getString(R.string.notification_channel_id))
                .setSmallIcon(R.drawable.topbar_chat_notification)
                .setAutoCancel(true)
                .setContentIntent(intent)
                .setDefaults(
                        Notification.DEFAULT_SOUND
                                | Notification.DEFAULT_VIBRATE
                                | Notification.DEFAULT_LIGHTS)
                .setLargeIcon(contactIcon)
                .setCategory(Notification.CATEGORY_MESSAGE)
                .setGroup(CHAT_NOTIFICATIONS_GROUP)
                .setVisibility(Notification.VISIBILITY_PRIVATE)
                .setPriority(Notification.PRIORITY_HIGH)
                .setNumber(notif.getMessages().size())
                .setWhen(System.currentTimeMillis())
                .setShowWhen(true)
                .setColor(context.getColor(R.color.notification_led_color))
                .setStyle(style)
                .addAction(Compatibility.getReplyMessageAction(context, notif))
                .addAction(Compatibility.getMarkMessageAsReadAction(context, notif))
                .build();
    }

    public static boolean isAppUserRestricted(Context context) {
        ActivityManager activityManager =
                (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        return activityManager.isBackgroundRestricted();
    }

    public static int getAppStandbyBucket(Context context) {
        UsageStatsManager usageStatsManager =
                (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
        return usageStatsManager.getAppStandbyBucket();
    }

    public static String getAppStandbyBucketNameFromValue(int bucket) {
        switch (bucket) {
            case UsageStatsManager.STANDBY_BUCKET_ACTIVE:
                return "STANDBY_BUCKET_ACTIVE";
            case UsageStatsManager.STANDBY_BUCKET_FREQUENT:
                return "STANDBY_BUCKET_FREQUENT";
            case UsageStatsManager.STANDBY_BUCKET_RARE:
                return "STANDBY_BUCKET_RARE";
            case UsageStatsManager.STANDBY_BUCKET_WORKING_SET:
                return "STANDBY_BUCKET_WORKING_SET";
        }
        return null;
    }

    public static Notification.Action getReplyMessageAction(Context context, Notifiable notif) {
        String replyLabel = context.getResources().getString(R.string.notification_reply_label);
        RemoteInput remoteInput =
                new RemoteInput.Builder(KEY_TEXT_REPLY).setLabel(replyLabel).build();

        Intent replyIntent = new Intent(context, NotificationBroadcastReceiver.class);
        replyIntent.setAction(INTENT_REPLY_NOTIF_ACTION);
        replyIntent.putExtra(INTENT_NOTIF_ID, notif.getNotificationId());
        replyIntent.putExtra(INTENT_LOCAL_IDENTITY, notif.getLocalIdentity());

        PendingIntent replyPendingIntent =
                PendingIntent.getBroadcast(
                        context,
                        notif.getNotificationId(),
                        replyIntent,
                        PendingIntent.FLAG_UPDATE_CURRENT);

        return new Notification.Action.Builder(
                        R.drawable.chat_send_over,
                        context.getString(R.string.notification_reply_label),
                        replyPendingIntent)
                .addRemoteInput(remoteInput)
                .setAllowGeneratedReplies(true)
                .setSemanticAction(Notification.Action.SEMANTIC_ACTION_REPLY)
                .build();
    }

    public static Notification.Action getMarkMessageAsReadAction(
            Context context, Notifiable notif) {
        Intent markAsReadIntent = new Intent(context, NotificationBroadcastReceiver.class);
        markAsReadIntent.setAction(INTENT_MARK_AS_READ_ACTION);
        markAsReadIntent.putExtra(INTENT_NOTIF_ID, notif.getNotificationId());
        markAsReadIntent.putExtra(INTENT_LOCAL_IDENTITY, notif.getLocalIdentity());

        PendingIntent markAsReadPendingIntent =
                PendingIntent.getBroadcast(
                        context,
                        notif.getNotificationId(),
                        markAsReadIntent,
                        PendingIntent.FLAG_UPDATE_CURRENT);

        return new Notification.Action.Builder(
                        R.drawable.chat_send_over,
                        context.getString(R.string.notification_mark_as_read_label),
                        markAsReadPendingIntent)
                .setSemanticAction(Notification.Action.SEMANTIC_ACTION_MARK_AS_READ)
                .build();
    }
}