using UnityEngine;
using Vanguard.App;
using Vanguard.Auth;
using Vanguard.State;

namespace Vanguard.UI
{
    /// <summary>Владелец Canvas и переключения экранов.</summary>
    public sealed class AppRootView
    {
        private readonly AppConfig _config;
        private readonly AuthService _auth;
        private readonly PlayerState _player;

        private LoginView _login;
        private MetaView _meta;

        public AppRootView(AppConfig config, AuthService auth, PlayerState player)
        {
            _config = config;
            _auth = auth;
            _player = player;
        }

        public void Initialize()
        {
            var canvas = UiKit.CreateCanvas("Vanguard Canvas");
            _login = new LoginView(canvas.transform, _config, _auth, OnAuthenticated);
            _meta = new MetaView(canvas.transform, _auth, _player, OnLoggedOut);
            ShowLogin("Проверяем сессию…");
        }

        public void ShowLogin(string status = null)
        {
            if (_meta != null)
                _meta.Hide();

            _login.Show(status);
        }

        public void ShowMeta()
        {
            _login.Hide();
            _meta.Show();
        }

        private void OnAuthenticated()
        {
            ShowMeta();
        }

        private void OnLoggedOut()
        {
            ShowLogin("Сессия завершена. Войдите снова.");
        }
    }
}