using System;
using System.Collections.Generic;
using D2D.Core;
using D2D.Databases;
using D2D.Utilities;
using UnityEngine;
using static D2D.Utilities.SettingsFacade;
using static D2D.Utilities.CommonLazyFacade;
using static D2D.Utilities.CommonGameplayFacade;

namespace D2D
{
    [DefaultExecutionOrder(-99)]
    public class LevelsSwitcher : GameStateMachineUser
    {
        [Tooltip("-1 for random")]
        [SerializeField] private int _debugCurrentLevel = -1;

        [Space]
        [Tooltip("To skip for instance 1 level (on loop) put value to 2")]
        [SerializeField] private int _minRepeatLevel = 1;

        [Tooltip("Just be sure that all passed level switchers have different names")]
        [SerializeField] private string _uniqueContainerName = "Levels";

        private DataContainer<int> _lastLoadedLevelIndex;
        private DataContainer<bool> _isLastLevelWin;

        private int currentLevelIndex = 0;  // Track the current level index

        protected override void OnEnable()
        {
            base.OnEnable();

            if (_gameData.levels.IsNullOrEmpty())
                return;

            if (_debugCurrentLevel >= 0)
            {
                Instantiate(_gameData.levels[_debugCurrentLevel - 1]);
                return;
            }

            var id = _uniqueContainerName;
            _lastLoadedLevelIndex = new DataContainer<int>("LastShuffledIndex" + id, -1);
            _isLastLevelWin = new DataContainer<bool>("IsLastLevelWin" + id, true);

            if (!_isLastLevelWin.Value && _lastLoadedLevelIndex.Value > -1)
            {
                Instantiate(_gameData.levels[_lastLoadedLevelIndex.Value]);
            }
            else
            {
                LoadLevel(currentLevelIndex);
            }

            _isLastLevelWin.Value = false;
        }

        // Method to load the level based on the current index
        private void LoadLevel(int index)
        {
            try
            {
                Instantiate(_gameData.levels[index]);
                _lastLoadedLevelIndex.Value = index;
                Debug.Log($"Loaded level: {index}");
            }
            catch (Exception e)
            {
                Debug.LogError(e);
                Instantiate(_gameData.levels.GetRandomElement());
            }
        }

        // Method to handle button click to switch to the next level
        public void OnNextLevelButtonClick()
        {
            currentLevelIndex++; // Increment the level index

            // Ensure the level index is within bounds
            if (currentLevelIndex >= _gameData.levels.Count)
            {
                currentLevelIndex = _minRepeatLevel - 1;  // Reset to the first repeatable level
            }

            LoadLevel(currentLevelIndex);  // Load the next level
        }

        protected override void OnGameWin()
        {
            _isLastLevelWin.Value = true;
        }
    }
}