using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;

namespace NewHorizons.Utility
{
    public static class AudioUtility
    {
        public static AudioClip LoadAudio(string filePath)
        {
            var task = Task.Run(async () => await GetAudioClip(filePath));
            task.Wait();
            return task.Result;
        }

        private static async Task<AudioClip> GetAudioClip(string filePath)
        {

            var extension = filePath.Split(new char[] { '.' }).Last();

            UnityEngine.AudioType audioType;

            switch (extension)
            {
                case ("wav"):
                    audioType = UnityEngine.AudioType.WAV;
                    break;
                case ("ogg"):
                    audioType = UnityEngine.AudioType.OGGVORBIS;
                    break;
                default:
                    Logger.LogError($"Invalid audio file extension ({extension}) must be .wav or .ogg");
                    return null;
            }

            using (UnityWebRequest www = UnityWebRequestMultimedia.GetAudioClip(filePath, audioType))
            {
                var result = www.SendWebRequest();

                while (!result.isDone) { await Task.Delay(100); }

                if (www.isNetworkError)
                {
                    Debug.Log(www.error);
                    return null;
                }
                else
                {
                    return DownloadHandlerAudioClip.GetContent(www);
                }
            }
        }
    }
}