using System;
using CoreAudio;

namespace AudioCore
{
    internal class Program
    {
        static MMDeviceCollection speakerList;
        static MMDevice activeSpeaker;


        static void Main(string[] args)
        {
            MMDeviceEnumerator deviceEnumerator = new();
            speakerList = deviceEnumerator.EnumerateAudioEndPoints(EDataFlow.eRender, DEVICE_STATE.DEVICE_STATE_ACTIVE);
            activeSpeaker = deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);

            foreach (MMDevice device in speakerList)
            {
                Console.WriteLine(device.FriendlyName);
                Console.WriteLine(device.ID);
                Console.WriteLine("--");
            }

            SetDefaultAudioDevice();

            Console.ReadKey();
        }

        static void SetDefaultAudioDevice()
        {
            MMDeviceEnumerator deviceEnumerator = new();
            foreach (MMDevice device in speakerList)
            {
                if (!device.ID.Equals(activeSpeaker.ID))
                {
                    deviceEnumerator.SetDefaultAudioEndpoint(device);
                    break;
                }
            }
        }
    }
}