/*
 * Copyright (C) 2019 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.server.wifi;

import android.annotation.NonNull;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Intent;
import android.graphics.drawable.Icon;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiContext;

import com.android.wifi.resources.R;

/**
 * Helper class for ConnectionFailureNotifier.
 */
public class ConnectionFailureNotificationBuilder {
    private static final String TAG = "ConnectionFailureNotifier";

    public static final String ACTION_SHOW_SET_RANDOMIZATION_DETAILS =
            "com.android.server.wifi.ACTION_SHOW_SET_RANDOMIZATION_DETAILS";
    public static final String RANDOMIZATION_SETTINGS_NETWORK_ID =
            "com.android.server.wifi.RANDOMIZATION_SETTINGS_NETWORK_ID";
    public static final String RANDOMIZATION_SETTINGS_NETWORK_SSID =
            "com.android.server.wifi.RANDOMIZATION_SETTINGS_NETWORK_SSID";

    private final WifiContext mContext;
    private final FrameworkFacade mFrameworkFacade;

    public ConnectionFailureNotificationBuilder(WifiContext context,
            FrameworkFacade framework) {
        mContext = context;
        mFrameworkFacade = framework;
    }

    /**
     * Creates a notification that alerts the user that the connection may be failing due to
     * MAC randomization.
     * @param config
     */
    public Notification buildNoMacRandomizationSupportNotification(
            @NonNull WifiConfiguration config) {
        String ssid = config.SSID;
        String ssidAndSecurityType = config.getSsidAndSecurityTypeString();
        String title = mContext.getResources().getString(
                R.string.wifi_cannot_connect_with_randomized_mac_title, ssid);
        String content = mContext.getResources().getString(
                R.string.wifi_cannot_connect_with_randomized_mac_message);

        Intent showDetailIntent = new Intent(ACTION_SHOW_SET_RANDOMIZATION_DETAILS)
                .setPackage(mContext.getServiceWifiPackageName());
        showDetailIntent.putExtra(RANDOMIZATION_SETTINGS_NETWORK_ID, config.networkId);
        showDetailIntent.putExtra(RANDOMIZATION_SETTINGS_NETWORK_SSID, ssidAndSecurityType);
        PendingIntent pendingShowDetailIntent = mFrameworkFacade.getBroadcast(
                mContext, 0, showDetailIntent,
                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);

        return mFrameworkFacade.makeNotificationBuilder(
                mContext, WifiService.NOTIFICATION_NETWORK_ALERTS)
                .setSmallIcon(Icon.createWithResource(mContext.getWifiOverlayApkPkgName(),
                        com.android.wifi.resources.R.drawable.stat_notify_wifi_in_range))
                .setTicker(title)
                .setContentTitle(title)
                .setContentText(content)
                .setContentIntent(pendingShowDetailIntent)
                .setShowWhen(false)
                .setLocalOnly(true)
                .setColor(mContext.getResources().getColor(
                        android.R.color.system_notification_accent_color, mContext.getTheme()))
                .setAutoCancel(true)
                .build();
    }
}