using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;

public class StorylineMirrorLibraryManager : MonoBehaviour
{
    [SerializeField] private Transform playerNewGameStartPosition;

    [SerializeField] private GameObject sceneRoot_MirrorLibrary;
    [SerializeField] private GameObject libraryRoot;
    [SerializeField] private GameObject hallwayBeforeLibrary;
    [SerializeField] private GameObject hallwayAfterLibrary;
    [SerializeField] private GameObject sceneRoot_ChildrenLoops;

    //private void Update()
    //{
    //    UpdateStoryline();
    //}

    private void Start()
    {
        //Commented out for testing one single scene.
        //StartCoroutine(CheckIfLoadIsCompleted());
    }

    IEnumerator CheckIfLoadIsCompleted() 
    {
        while (LoadManager.GetInstance().LoadingGame || LoadManager.GetInstance().IsEnteringNewGame)
        {
            yield return null;
        }
        //When done loading:
        UpdateStoryline();
    }

    public enum MirrorLibraryStorylineState
    {
        CheckLoad,
        BeforeMirrorLibrary,
        EnteredMirrorLibrary,
        AfterMirrorLibrary
    }

    public MirrorLibraryStorylineState mirrorLibraryStorylineState = MirrorLibraryStorylineState.CheckLoad;

    public void UpdateStoryline() 
    {
        switch (mirrorLibraryStorylineState)
        {
            case MirrorLibraryStorylineState.CheckLoad:
                if (GameProgressManager.GetInstance().initialCutscenePlayed) //This is when you have entered the game the first time.
                {
                    mirrorLibraryStorylineState = (MirrorLibraryStorylineState)Enum.Parse(typeof(MirrorLibraryStorylineState), GameProgressManager.GetInstance().currentStorylineState);
                    UpdateStoryline();
                }
                else 
                {
                    GameProgressManager.GetInstance().initialCutscenePlayed = true; //CHANGE LATER.
                    GameProgressManager.GetInstance().playerControllerShouldBeEnabledOnGameLoad = true;
                    GameProgressManager.GetInstance().playerCameraControllerShouldBeEnabledOnGameLoad = true;
                    print("Started game position");
                    PlayerManager.GetInstance().playerGameObj.transform.position = playerNewGameStartPosition.position;
                    PlayerManager.GetInstance().playerGameObj.transform.rotation = playerNewGameStartPosition.rotation;
                    UpdateToTheNextStorylineState(); //In order to go to: BeforeMirrorLibrary State.
                }
                BackgroundSoundsManager.GetInstance().PlayHouseSounds();
                break;
            case MirrorLibraryStorylineState.BeforeMirrorLibrary:
                sceneRoot_MirrorLibrary.gameObject.SetActive(true);
                libraryRoot.gameObject.SetActive(true);
                hallwayBeforeLibrary.SetActive(true);
                MemorizeTemporarilyCurrentStorylineState();
                break;
            case MirrorLibraryStorylineState.EnteredMirrorLibrary:
                sceneRoot_MirrorLibrary.gameObject.SetActive(true);
                libraryRoot.gameObject.SetActive(true);
                MemorizeTemporarilyCurrentStorylineState();
                break;
            case MirrorLibraryStorylineState.AfterMirrorLibrary:
                sceneRoot_MirrorLibrary.gameObject.SetActive(true);
                hallwayAfterLibrary.gameObject.SetActive(true);
                sceneRoot_ChildrenLoops.gameObject.SetActive(true);
                MemorizeTemporarilyCurrentStorylineState();
                break;
            default:
                break;
        }
    }

    public void MemorizeTemporarilyCurrentStorylineState() 
    {
        GameProgressManager.GetInstance().currentStorylineState = mirrorLibraryStorylineState.ToString();
    }

    public void UpdateToTheNextStorylineState()
    {
        // Get all values of the enum
        MirrorLibraryStorylineState[] allCases = (MirrorLibraryStorylineState[])Enum.GetValues(typeof(MirrorLibraryStorylineState));

        // Get the index of the current case
        int currentIndex = Array.IndexOf(allCases, mirrorLibraryStorylineState);

        // Increment the index
        currentIndex++;

        // Wrap around if it exceeds the array length
        if (currentIndex >= allCases.Length)
        {
            currentIndex = 0; // Go back to the first case or handle differently if desired
        }

        // Update the current case
        mirrorLibraryStorylineState = allCases[currentIndex];

        UpdateStoryline();
    }
}