using System;
using System.Collections;
using System.Text;
using UnityEngine;
using UnityEngine.Networking;

namespace CLre_server.API.Utility
{
    public static class CardLifeUserAuthentication
    {
        [Serializable]
        private struct AuthPayload
        {
            public string EmailAddress;
            public string Password;
        }

        private const string LOGIN_URL = "https://live-auth.cardlifegame.com/api/auth/authenticate";

        public delegate void OnResponse(AuthenticationResponse data);
        
        public static IEnumerator Authenticate(string email, string password, OnResponse then)
        {
            UnityWebRequest req = new UnityWebRequest(LOGIN_URL, "POST");
            AuthPayload payload = new AuthPayload
            {
                EmailAddress = email,
                Password = password,
            };
            byte[] bytes = Encoding.UTF8.GetBytes(JsonUtility.ToJson(payload));
            req.uploadHandler = new UploadHandlerRaw(bytes);
            req.downloadHandler = new DownloadHandlerBuffer();
            req.SetRequestHeader("Content-Type", "application/json");
            AsyncOperation op = req.SendWebRequest();
            while (!op.isDone)
            {
                yield return null;
            }

            if (req.responseCode != 200)
            {
                Logging.LogError($"Authentication with email {email} returned code {req.responseCode} and was aborted. Response:\n{req.downloadHandler.text}");
                yield break;
            }

            AuthenticationResponse resp = JsonUtility.FromJson<AuthenticationResponse>(req.downloadHandler.text);
            then(resp);
        }
    }

    [Serializable]
    public struct AuthenticationResponse
    {
        public string PublicId;
        public string EmailAddress;
        public string DisplayName;
        public bool Confirmed;
        public string Token;
        public uint ID;
    }
}