using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DistantLands.Cozy;
using Unity.XR.CoreUtils;

public class gameStateManager : MonoBehaviour
{

    
    public GameObject player;
    public GameObject loadPlayer;
    public GameObject playerXrObject;

    public GameObject options;


    public GameObject playerCamera;
    public GameObject loadCamera;
    public GameObject pauseView;


    public Transform playerTarget;
    public Transform loadTarget;

    [SerializeField] CozyWeather cozyWeather;
    public GameObject weatherSound;

     public GameObject audioObject;

    public Transform levels;

    private int playerScore;
    public string[] levelOrder = new string[] { "level3", "level1", "level2", "level1" };
    public int level;

    public bool playIntro = true;

    private bool gameStarted = false;
    
    private GameObject introObject;
    private GameObject outroObject;
    private GameObject loadingObject;

    private GameObject restartGame;

    private GameObject levelObject;

    private AudioSource audioSource;

   

    // Start is called before the first frame update
    void Start()
    {
        introObject = pauseView.transform.Find("intro").gameObject;
        outroObject = pauseView.transform.Find("outro").gameObject;
        loadingObject = pauseView.transform.Find("loading").gameObject;
        Debug.Log("start script");
        
        level = 0;
        StartCoroutine(Intro());
    }

    // Update is called once per frame
    void Update()
    {


    }










    void Levelsetup()
    {

        // this loops starts and ends with the player in a 'waiting room' – that is:
        // the player car should be placed in a waiting spot such that there is not traffic generated
        // main camera should be the one by the logo
        // weather app should be deleted / unactive

        // make next level into level and get new next level
        // get game object connected to level
        levelObject = levels.Find(levelOrder[level]).gameObject;

        // show the level
        levelObject.SetActive(true);



        // move car into possition
        Debug.Log("car moved!");
        Transform startPoint = levelObject.transform.Find("startpoint");
        MoveCar(startPoint);


        playerXrObject.transform.SetParent(player.transform.Find("XR interaction object").transform, false);

        //toggle cameras
        pauseView.SetActive(false);
        loadCamera.SetActive(false);
        playerCamera.SetActive(true);
        Recenter(playerTarget);

        options.SetActive(false);
        

        //activate sound
        weatherSound.SetActive(true);

        //loadEventSystem.SetActive(false);
        //gameEventSystem.SetActive(true);

        // start timer
        Debug.Log("start timer pre!");
        GameObject goalObject = levelObject.transform.Find("goalmanager").gameObject;
        StartCoroutine(StartGoalScript(goalObject));
        Debug.Log("start timer post!");




    }

    IEnumerator LevelCompletion(int lastScore)
    {

        levelObject.SetActive(false);
        //1. activate loading scene
        //Open loading scene
        //switch cameras?
        //hide weather
        LoadingScene();

        //2. collect points and pause game
        // Level completed – collect the score
        playerScore += lastScore;


        //3. Artificial wait
        yield return new WaitForSeconds(5);
        while (audioSource.isPlaying)
        {
            yield return null; // Wait for the next frame
        }

        // if next level is outro close loop

        if (level == levelOrder.Length - 1)
        {
            StartCoroutine(Outro());
        }
        else
        {
            level++;
            Levelsetup();
        }
    }

    public IEnumerator StartGoalScript(GameObject goalObject)
    {
        Debug.Log("StartGoalScript");
        goalTimer childtimer = goalObject.GetComponent<goalTimer>();
        Debug.Log(childtimer);
        if (childtimer != null)
        {
        Debug.Log("Calling child's async function...");
            //await childtimer.ChildFunctionAsync(); // Wait for the child's function to complete
        yield return StartCoroutine(childtimer.StartLevel(OnChildFunctionComplete));
        Debug.Log("Back in parent after child function completed");
        }
        else
        {
        Debug.LogWarning("Child script not found!");
        }
        
    }

    private void OnChildFunctionComplete(int result)
    {
        Debug.Log("Parent received result from child: " + result);
        StartCoroutine(LevelCompletion(result));
    }

    void MoveCar(Transform target)
    {
        if (target != null)
        {
            // Move this object to the target's position
            player.transform.position = target.position;

            // Rotate this object to match the target's rotation
            player.transform.rotation = target.rotation;
        }
        else
        {
            Debug.LogWarning("Target is not assigned.");
        }
    }



    IEnumerator Intro()
    {

        if (playIntro){
            
        LoadingScene();
        GameObject startGame = pauseView.transform.Find("start").gameObject;
        startGame.SetActive(true);
        
        while(!gameStarted){
            
            yield return null;
        }

        startGame.SetActive(false);

        introObject.SetActive(true);
        loadingObject.SetActive(false);
        
        StartIntro startIntro = introObject.GetComponent<StartIntro>();
        

        
        
        yield return StartCoroutine(startIntro.introEnter(OnIntroComplete));
    
        }
        else{
            OnIntroComplete();
        }

    }

    public void StartGameClicked(){
        gameStarted = true;
    }
    private void OnIntroComplete()
    {
        introObject.SetActive(false);

        loadingObject.SetActive(true);
        Levelsetup();
    }

    IEnumerator Outro()
    {
        LoadingScene();

        loadingObject.SetActive(false);
        outroObject.SetActive(true);
        outroObject.GetComponent<StartOutro>().outroEnter(playerScore);
        yield return new WaitForSeconds(7);
        restartGame = pauseView.transform.Find("reset").gameObject;
        restartGame.SetActive(true);

    }


    public void NextLoadlingAudio(AudioClip audio){
        audioObject.SetActive(true);
        audioSource = audioObject.GetComponent<AudioSource>();
        audioSource.clip = audio;
        if (audioSource != null && audioSource.clip != null)
        {
            audioSource.Play();
        }
    }


    void LoadingScene()
    {
        Debug.Log("loading scene script");
        // the player car should be placed in a waiting spot such that there is not traffic generated
        // main camera should be the one by the logo
        // weather app should be deleted / unactive
        // activate intro function and game object

        Transform pausePoint = GameObject.Find("pauseLocation").transform;
        MoveCar(pausePoint);

        // silence weather
        weatherSound.SetActive(false);


        // switch cameras
        // Debug.Log("pausing camera");
        pauseView.SetActive(true);
        playerXrObject.transform.SetParent(loadPlayer.transform, false);
        playerCamera.SetActive(false);
        loadCamera.SetActive(true);
        Recenter(loadTarget);

        // playerXrObject.transform.localPosition = Vector3.zero; // Reset local position
        // playerXrObject.transform.localRotation = Quaternion.identity;
        

        // weather reset:
        cozyWeather.timeModule.currentTime = new MeridiemTime(Random.Range(7, 19), Random.Range(0, 6) * 10);
        cozyWeather.timeModule.currentDay = cozyWeather.timeModule.currentDay + 1;
        Debug.Log("slut på loading");

    }



    void Ending()
    {
        // the player car should be placed in a waiting spot such that there is not traffic generated
        // main camera should be the one by the logo
        // weather app should be deleted / unactive
        // activate ending function and game object
    }

    public void reset(){
        playerScore = 0;
        level = 0;
        gameStarted = false;
        restartGame.SetActive(false);
        outroObject.SetActive(true);
        StartCoroutine(Intro());

    }

    public void Recenter(Transform target)
    {
        Debug.Log("Recenter");
        XROrigin xrOrigin = playerXrObject.GetComponent<XROrigin>();
        Debug.Log(target.position);
        Debug.Log(target.localPosition);
        Debug.Log(xrOrigin);
        Transform cameraOffset = xrOrigin.transform.Find("Camera Offset");
        RecenterOrigin recenterOrigin = playerXrObject.GetComponent<RecenterOrigin>();
        recenterOrigin.target = target;
                // Calculate the positional offset
        Vector3 offsetPosition = target.position - xrOrigin.Camera.transform.position;

        // Apply the positional offset to the Camera Offset object
        cameraOffset.position += offsetPosition;
        // Optionally, align the rotation of the Camera Offset to match the target's rotation
        cameraOffset.rotation = target.rotation;

        Debug.Log("target.position: " + target.position);

        Debug.Log("cameraOffset.position: " + cameraOffset.position);

        Debug.Log("playerXrObject.position: " + playerXrObject.transform.position);
    }





}