/*
 * 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.tv.settings.accessories;

import android.bluetooth.BluetoothCsipSetCoordinator;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.media.tv.flags.Flags;
import android.text.TextUtils;
import android.util.Log;

import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.LocalBluetoothManager;

/**
 * BluetoothPairingRequest is a receiver for any Bluetooth pairing request. It
 * starts the Bluetooth Pairing activity, displaying the PIN, the passkey or a
 * confirmation entry dialog.
 */
public final class BluetoothPairingRequest extends BroadcastReceiver {

    public static final String TAG = "BluetoothPairingRequest";

    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals(BluetoothDevice.ACTION_PAIRING_REQUEST)) {

            // convert broadcast intent into activity intent (same action string)
            BluetoothDevice device =
                    intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
            int type = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT,
                    BluetoothDevice.ERROR);
            Intent pairingIntent = new Intent();
            pairingIntent.setClass(context, BluetoothPairingDialog.class);
            pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
            pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, type);
            if (type == BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION ||
                    type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PASSKEY ||
                    type == BluetoothDevice.PAIRING_VARIANT_DISPLAY_PIN) {
                int pairingKey = intent.getIntExtra(BluetoothDevice.EXTRA_PAIRING_KEY,
                        BluetoothDevice.ERROR);
                pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_KEY, pairingKey);
            }
            pairingIntent.setAction(BluetoothDevice.ACTION_PAIRING_REQUEST);
            pairingIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            // In Canvas, always start the pairing activity when we get the pairing broadcast,
            // as opposed to displaying a notification that will start the pairing activity.
            context.startActivity(pairingIntent);
        } else if (Flags.enableLeAudioUnicastUi()
                && TextUtils.equals(action,
                   BluetoothCsipSetCoordinator.ACTION_CSIS_SET_MEMBER_AVAILABLE)) {
            Log.d(TAG, "Received ACTION_CSIS_SET_MEMBER_AVAILABLE");
            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
            LocalBluetoothManager bluetoothManager =
                AccessoryUtils.getLocalBluetoothManager(context);
            if (device == null) {
                return;
            }

            final int groupId = intent.getIntExtra(BluetoothCsipSetCoordinator.EXTRA_CSIS_GROUP_ID,
                    BluetoothCsipSetCoordinator.GROUP_ID_INVALID);
            if (groupId == BluetoothCsipSetCoordinator.GROUP_ID_INVALID) {
                return;
            }

            bluetoothManager.getCachedDeviceManager().pairDeviceByCsip(device, groupId);
        }
    }
}