package com.example.heartrateadjuster;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;

import java.io.IOException;
import java.util.Set;

/**
 * Class providing access to the physical heart rate chest strap, through Bluetooth
 * @author Revan
 */
public class ChestStrap implements IHeartRateDevice {
    BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    public ChestStrap(){
        if (!mBluetoothAdapter.isEnabled()) {
            Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        }

        Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDevices();
        // If there are paired devices
        if (pairedDevices.size() > 0) {
            //Connect to first device
        }
    }
    private class AcceptThread extends Thread {
        private final BluetoothServerSocket mmServerSocket;

        public AcceptThread() {
            // Use a temporary object that is later assigned to mmServerSocket,
            // because mmServerSocket is final
            BluetoothServerSocket tmp = null;
            try {
                // MY_UUID is the app's UUID string, also used by the client code
                tmp = mBluetoothAdapter.listenUsingRfcommWithServiceRecord("HeartRateAdjuster",
                        null);
            } catch (IOException e) { }
            mmServerSocket = tmp;
        }

        public void run() {
            BluetoothSocket socket = null;
            // Keep listening until exception occurs or a socket is returned
            while (true) {
                try {
                    socket = mmServerSocket.accept();
                } catch (IOException e) {
                    break;
                }
            }
        }

        /** Will cancel the listening socket, and cause the thread to finish */
        public void cancel() {
            try {
                mmServerSocket.close();
            } catch (IOException e) { }
        }
    }

    @Override
    public int getCurrentHeartRate() {
        return mBluetoothAdapter.getState();
    }
}