using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cysharp.Threading.Tasks;
using UnityEngine.Networking;
using System;
using System.Threading;
namespace BITKit.HttpNet
{
    [System.Serializable]
    public sealed class UnityWebRequest : WebProvider
    {
        public override async UniTask<string> GetAsync(string url, CancellationToken cancellationToken = default)
        {
            await UniTask.SwitchToMainThread(cancellationToken);
            using (var request = UnityEngine.Networking.UnityWebRequest.Get(url))
            {
                await request.SendWebRequest();
                if (cancellationToken != default)
                {
                    if (cancellationToken.IsCancellationRequested)
                    {
                        throw new OperationCanceledException();
                    }
                }
                if (request.result is UnityEngine.Networking.UnityWebRequest.Result.Success)
                {
                    return request.downloadHandler.text;
                }
                else
                {
                    var e = (request) switch
                    {
                        _ => "HttpError",
                    };
                    throw new System.Net.Http.HttpRequestException(e);
                }
            }
        }
        public override async UniTask<string> PostAsync<T>(string url, T value, CancellationToken cancellationToken = default)
        {
            await UniTask.SwitchToMainThread(cancellationToken);
            switch (value)
            {
                case String _string:
                    using (var request = UnityEngine.Networking.UnityWebRequest.PostWwwForm(url, _string))
                    {
                        await request.SendWebRequest();
                        return request.downloadHandler.text;
                    }
                case WWWForm _wwwForm:
                    using (var request = UnityEngine.Networking.UnityWebRequest.Post(url, _wwwForm))
                    {
                        await request.SendWebRequest();
                        return request.downloadHandler.text;
                    }
                default:
                    throw new NotImplementedException();
            }
        }
    }
}