using Cysharp.Threading.Tasks;
using Lights;
using Periscope;
using System.Threading;
using TMPro;
using UnityEngine;
using UnityEngine.XR;

/// <summary>
/// Главный загрузчик.
/// </summary>
public class MainBootstrap : MonoBehaviour
{
    [SerializeField] TextMeshProUGUI window;
    [SerializeField] private ConfigCatalog ConfigCatalog;
    [SerializeField] private In.InputType InputType;
    [SerializeField] private GameManager gm;

    [Header("Настройка камер")]
    [SerializeField] private Transform CamerasPivot;
    [SerializeField] private Camera VR_Camera;
    [SerializeField] private Camera Screen_Camera;

    [Header("Sound manager")]
    [SerializeField] private SoundManager soundManager;

    [Header("Отладка")]
    [SerializeField] private bool logging;
    [SerializeField] private bool debugMode;



    private async void Awake()
    {
        XRSettings.useOcclusionMesh = false;

        window.text += "Инициализация диспетчера...\n";
        UnityMainThreadDispatcher.Initialize();
        await Delay(1000);
        window.text += "Диспетчер инициализирован...\n";
        await Delay(1000);


        window.text += "Проверка лицензии...\n";
        bool ok = await Defender.Instance.CheckLicenseAsync();
        if (ok)
        {
            window.text += "Лицензия валидна\n";
        }
        else
        {
            window.text += "Нет лицензии\n";
            await Delay(2000);
            Application.Quit();
        } 


        InitializeMangers();
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;

        window.text += "Включаем подсветку...\n";
        await Delay(1500);
        LightSystem.SetLightActive(true);
        await Delay(500);

        if (!debugMode)
        {
            window.text += "Регулировка перископа...\n";
            PeriscopeManager.Init(GameManager.globalCts);
            PeriscopeManager.MoveUpToEnd();
            await PeriscopeWait(PeriscopeManager.config.MoveUpToEndTimeMs, window.text);
        }

        await Delay(1000);
        window.text += "Заходим в игру...\n";
        await Delay(1000);

        if(debugMode)
        {
            window.text = "DEBUG_MODE";
            window.canvas.gameObject.name = "DEBUG_CANVAS";
            DontDestroyOnLoad(window.canvas.gameObject);

        }
        SceneLoader.LoadScene("MenuOneRegime");
    }

    private async UniTask PeriscopeWait(int timeMs, string message, CancellationToken token = default)
    {
        float startTime = Time.time;
        float duration = timeMs / 1000f; // Конвертируем в секунды

        while (Time.time - startTime < duration)
        {
            // Проверяем отмену
            if (token.IsCancellationRequested)
                break;

            // Вычисляем процент (0-1)
            float elapsed = Time.time - startTime;
            float percent = Mathf.Clamp01(elapsed / duration);

            var progress = GetProgressBar(percent * 100f);
            window.text = $"{message}{progress}\n";

            await UniTask.Delay(100, cancellationToken: token);
        }

        // По завершении показываем 100%
        window.text = $"{message}{GetProgressBar(100f)}\n";
    }

    private void InitializeMangers()
    {
        gm.Init();
        window.text += "Инициализация менеджеров...\n";
        DontDestroyOnLoad(gm);
        if (ConfigCatalog == null)
        {
            Log("Не указан каталог конфигов");
            return;
        }

        var (OK, message) = ConfigCatalog.ValidateReferences();
        if (!OK)
        {
            Log($"Ошибка в каталоге конфига: \n{message}");
            return;
        }

        #region Инициализации

        SettingsManager.Initialize(ConfigCatalog.SettingsManagerConfig.DefaultSettingsScheme);

        CamerasManager.Initialize(CamerasPivot, VR_Camera, Screen_Camera);

        
        ComPortController.Initialize(ControllerConfig.LoadOrCreate(), ComPortController.InputType.Decimal);
        ComPortController.PaymentReceived += WalletManager.OnCoin;

        


        WalletManager.Initialize(ConfigCatalog.WalletManagerConfig);
        CountersSystem.Init(ConfigCatalog.CountersConfig);


        GameModesHolder.Initialize(ConfigCatalog.GameModesConfig);
        In.Initialize(In.GetInputSourceByType(InputType));

        soundManager.Initialize();
        #endregion

        Log("Главный загрузчик отработал");
        BootstrapperState.MainBootstraped = true;
        window.text += "Готово...\n";
    }

    private void Log(string message)
    {
        if (logging) Debug.Log(message);
    }

    private static string GetProgressBar(float percent, int totalLength = 10)
    {
        // Ограничиваем процент от 0 до 100
        percent = Mathf.Clamp(percent, 0f, 100f);

        // Вычисляем количество заполненных блоков
        int filledCount = Mathf.RoundToInt((percent / 100f) * totalLength);

        // Собираем строку
        string filled = new('■', filledCount);
        string empty = new('□', totalLength - filledCount);

        return $"[{filled}{empty}]";
    }

    private async UniTask Delay(int ms)
    {
        if(debugMode) return;
        await UniTask.Delay(ms);
    }
}