using System.Threading.Tasks;
using UnityEngine;
using Vanguard.Auth;
using Vanguard.UI;

namespace Vanguard.App
{
    public sealed class LoginSceneController : SceneControllerBase
    {
        private AuthService _auth;
        private LoginView _view;

        private void Start()
        {
            SceneEnvironment.Build(SceneTheme.Login);
            _auth = Resolve<AuthService>();
            var config = Resolve<AppConfig>();

            var canvas = CreateCanvas("Login Canvas");
            _view = new LoginView(canvas.transform, config, _auth, OnAuthenticated);
            _view.Show("Проверяем сессию…");
            _ = RestoreAsync();
        }

        private async Task RestoreAsync()
        {
            try
            {
                if (await _auth.TryRestoreAsync())
                {
                    await Flow.LoadLobbyAsync();
                    return;
                }
            }
            catch (System.Exception exception)
            {
                Debug.LogException(exception);
            }

            _view.Show("Введите данные игрока.");
        }

        private void OnAuthenticated()
        {
            _ = Flow.LoadLobbyAsync();
        }
    }
}