/*
 * 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 android.support.v4.app;

import android.app.Notification;
import android.app.PendingIntent;
import android.app.RemoteInput;
import android.content.Context;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Parcelable;
import android.widget.RemoteViews;

import java.util.ArrayList;

class NotificationCompatApi20 {
    public static class Builder implements NotificationBuilderWithBuilderAccessor,
            NotificationBuilderWithActions {
        private Notification.Builder b;
        private Bundle mExtras;

        public Builder(Context context, Notification n,
                CharSequence contentTitle, CharSequence contentText, CharSequence contentInfo,
                RemoteViews tickerView, int number,
                PendingIntent contentIntent, PendingIntent fullScreenIntent, Bitmap largeIcon,
                int progressMax, int progress, boolean progressIndeterminate, boolean showWhen,
                boolean useChronometer, int priority, CharSequence subText, boolean localOnly,
                ArrayList<String> people, Bundle extras, String groupKey, boolean groupSummary,
                String sortKey) {
            b = new Notification.Builder(context)
                .setWhen(n.when)
                .setShowWhen(showWhen)
                .setSmallIcon(n.icon, n.iconLevel)
                .setContent(n.contentView)
                .setTicker(n.tickerText, tickerView)
                .setSound(n.sound, n.audioStreamType)
                .setVibrate(n.vibrate)
                .setLights(n.ledARGB, n.ledOnMS, n.ledOffMS)
                .setOngoing((n.flags & Notification.FLAG_ONGOING_EVENT) != 0)
                .setOnlyAlertOnce((n.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0)
                .setAutoCancel((n.flags & Notification.FLAG_AUTO_CANCEL) != 0)
                .setDefaults(n.defaults)
                .setContentTitle(contentTitle)
                .setContentText(contentText)
                .setSubText(subText)
                .setContentInfo(contentInfo)
                .setContentIntent(contentIntent)
                .setDeleteIntent(n.deleteIntent)
                .setFullScreenIntent(fullScreenIntent,
                        (n.flags & Notification.FLAG_HIGH_PRIORITY) != 0)
                .setLargeIcon(largeIcon)
                .setNumber(number)
                .setUsesChronometer(useChronometer)
                .setPriority(priority)
                .setProgress(progressMax, progress, progressIndeterminate)
                .setLocalOnly(localOnly)
                .setGroup(groupKey)
                .setGroupSummary(groupSummary)
                .setSortKey(sortKey);
            mExtras = new Bundle();
            if (extras != null) {
                mExtras.putAll(extras);
            }
            if (people != null && !people.isEmpty()) {
                mExtras.putStringArray(Notification.EXTRA_PEOPLE,
                        people.toArray(new String[people.size()]));
            }
        }

        @Override
        public void addAction(NotificationCompatBase.Action action) {
            NotificationCompatApi20.addAction(b, action);
        }

        @Override
        public Notification.Builder getBuilder() {
            return b;
        }

        @Override
        public Notification build() {
            b.setExtras(mExtras);
            return b.build();
        }
    }

    public static void addAction(Notification.Builder b, NotificationCompatBase.Action action) {
        Notification.Action.Builder actionBuilder = new Notification.Action.Builder(
                action.getIcon(), action.getTitle(), action.getActionIntent());
        if (action.getRemoteInputs() != null) {
            for (RemoteInput remoteInput : RemoteInputCompatApi20.fromCompat(
                    action.getRemoteInputs())) {
                actionBuilder.addRemoteInput(remoteInput);
            }
        }
        if (action.getExtras() != null) {
            actionBuilder.addExtras(action.getExtras());
        }
        b.addAction(actionBuilder.build());
    }

    public static NotificationCompatBase.Action getAction(Notification notif,
            int actionIndex, NotificationCompatBase.Action.Factory actionFactory,
            RemoteInputCompatBase.RemoteInput.Factory remoteInputFactory) {
        return getActionCompatFromAction(notif.actions[actionIndex], actionFactory, remoteInputFactory);
    }

    private static NotificationCompatBase.Action getActionCompatFromAction(
            Notification.Action action, NotificationCompatBase.Action.Factory actionFactory,
            RemoteInputCompatBase.RemoteInput.Factory remoteInputFactory) {
        RemoteInputCompatBase.RemoteInput[] remoteInputs = RemoteInputCompatApi20.toCompat(
                action.getRemoteInputs(), remoteInputFactory);
        return actionFactory.build(action.icon, action.title, action.actionIntent,
                action.getExtras(), remoteInputs);
    }

    private static Notification.Action getActionFromActionCompat(
            NotificationCompatBase.Action actionCompat) {
        Notification.Action.Builder actionBuilder = new Notification.Action.Builder(
                actionCompat.getIcon(), actionCompat.getTitle(), actionCompat.getActionIntent())
                .addExtras(actionCompat.getExtras());
        RemoteInputCompatBase.RemoteInput[] remoteInputCompats = actionCompat.getRemoteInputs();
        if (remoteInputCompats != null) {
            RemoteInput[] remoteInputs = RemoteInputCompatApi20.fromCompat(remoteInputCompats);
            for (RemoteInput remoteInput : remoteInputs) {
                actionBuilder.addRemoteInput(remoteInput);
            }
        }
        return actionBuilder.build();
    }

    /**
     * Get a list of notification compat actions by parsing actions stored within a list of
     * parcelables using the {@link Bundle#getParcelableArrayList} function in the same
     * manner that framework code would do so. In API20, Using Action parcelable directly
     * is correct.
     */
    public static NotificationCompatBase.Action[] getActionsFromParcelableArrayList(
            ArrayList<Parcelable> parcelables,
            NotificationCompatBase.Action.Factory actionFactory,
            RemoteInputCompatBase.RemoteInput.Factory remoteInputFactory) {
        if (parcelables == null) {
            return null;
        }
        NotificationCompatBase.Action[] actions = actionFactory.newArray(parcelables.size());
        for (int i = 0; i < actions.length; i++) {
            Notification.Action action = (Notification.Action) parcelables.get(i);
            actions[i] = getActionCompatFromAction(action, actionFactory, remoteInputFactory);
        }
        return actions;
    }

    /**
     * Get an array list of parcelables, suitable for {@link Bundle#putParcelableArrayList},
     * that matches what framework code would do to store an actions list in this way. In API20,
     * action parcelables were directly placed as entries in the array list.
     */
    public static ArrayList<Parcelable> getParcelableArrayListForActions(
            NotificationCompatBase.Action[] actions) {
        if (actions == null) {
            return null;
        }
        ArrayList<Parcelable> parcelables = new ArrayList<Parcelable>(actions.length);
        for (NotificationCompatBase.Action action : actions) {
            parcelables.add(getActionFromActionCompat(action));
        }
        return parcelables;
    }

    public static boolean getLocalOnly(Notification notif) {
        return (notif.flags & Notification.FLAG_LOCAL_ONLY) != 0;
    }

    public static String getGroup(Notification notif) {
        return notif.getGroup();
    }

    public static boolean isGroupSummary(Notification notif) {
        return (notif.flags & Notification.FLAG_GROUP_SUMMARY) != 0;
    }

    public static String getSortKey(Notification notif) {
        return notif.getSortKey();
    }
}