using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using TMPro;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;


public class goalTimer : MonoBehaviour
{

    public float delay = 30;
    public bool goal = true;
    private bool done = false;
    private int result;
    [Header("timer")]
    public TextMeshProUGUI timerText;
    private float currentTime;
    public string titleString;

    public GameObject titleCanvas;

    public GameObject options;

    public GameObject gameStateManagerObject;

    public AudioClip hittingCar;

    public AudioClip hittingWall;

    public AudioClip good;

    public AudioClip ok;

    public AudioClip timeout;

    public GameObject backgroundSoundObject;
    private AudioSource backgroundAudio;

    public GameObject debug;

    public bool blurEnd = true;
    public float maxBlurIntensity = 1.0f; // Maximum blur intensity
    public float blurDuration = 2.0f; // Time to increase blur intensity (in seconds)

    private Bloom bloom; // Depth of Field effect (used for blur)
    private bool isBlurActive = false;

    public Volume postProcessingVolume;
    void Start()
    {
        currentTime = delay;
        result = 0;
    }

    private void Update()
    {
    }
    
    //public async Task startLevel()
    public IEnumerator StartLevel(Action<int> callback)
    {
        currentTime = delay;
        done = false;

        titleCanvas.transform.Find("title").GetComponentInChildren<TextMeshProUGUI>().text = "<font=\"Urbscape SDF\"><mark=#00000>" + titleString + "</mark>";
            
        
        backgroundSoundObject.SetActive(true);
        backgroundAudio = backgroundSoundObject.GetComponentInChildren<AudioSource>();
        backgroundAudio.time = UnityEngine.Random.Range(0f, 420f);
        backgroundAudio.Play();
        while (!done)
        {
            currentTime -= Time.deltaTime;
            setTimerText();
            if (currentTime < 0)
            {
                SendAudio(timeout);
                if(options != null){
                    options.GetComponent<optionClicked>().timeOut();
                }
                Debug.Log("done true!");
                done = true;
                
            }
            yield return null;
        }




    TriggerEnd(callback);
    yield return null;
        //end!
    }

    public void SendAudio(AudioClip audioclip){
        gameStateManager gamestatemanager = gameStateManagerObject.GetComponent<gameStateManager>();
        gamestatemanager.NextLoadlingAudio(audioclip);
    }

    public void TriggerEnd(Action<int> callback)
    {
        backgroundAudio.time = 0f;
        backgroundSoundObject.SetActive(false);

                // Ensure the post-processing volume has the DepthOfField effect
        if (postProcessingVolume.profile.TryGet<Bloom>(out var bloomEffect))
        {
            bloom = bloomEffect;
            bloom.active = false; // Initially disable the blur
        }
        else
        {
            Debug.LogError("DepthOfField effect is not set up in the Post-Processing Volume!");
        }
       
        if (bloom != null && !isBlurActive && blurEnd)
        {
            Debug.Log("activate:"); 
            StartCoroutine(ActivateBlurEnd(callback));
        }
        
        else{
            Debug.Log("no blur – just end!"); 
            callback?.Invoke(result);
        }
    }

    private IEnumerator ActivateBlurEnd(Action<int> callback)
    {
        Debug.Log("ActivateBlur entry!"); 
        isBlurActive = true;

        // Activate the blur effect
        bloom.active = true;

        // Gradually increase the blur intensity
        float elapsedTime = 0f;
        while (elapsedTime < blurDuration)
        {
            Debug.Log("blurring!"); 
            elapsedTime += Time.deltaTime;
            float intensity = Mathf.Lerp(0, maxBlurIntensity, elapsedTime / blurDuration);
            bloom.intensity.Override(intensity); // Adjust the blur's starting distance
            yield return null;
        }

        // After 2 seconds, suddenly deactivate the blur
        bloom.active = false;
        isBlurActive = false;
        callback?.Invoke(result);
        yield return null;
    }



    private void setTimerText()
    {
        timerText.text = currentTime.ToString("0");
    }


    public void OnHitObject(){
        Debug.Log("hit target!"); 
        SendAudio(hittingCar);
        result += -10;
        done = true;
    }

     public void OnOutOfBounds(){
        Debug.Log("hit target!");
        SendAudio(hittingWall);
        result += -5;
        done = true;
    }


    IEnumerator OnTriggerEnter(Collider collision)
    {
        if (goal)
        {
            
            if (collision.tag == "gamecollider")
            {
                
                Debug.Log("player enter!");
                yield return new WaitForSeconds(0);
                Debug.Log("go player!");
                // SCORE
                SendAudio(good);
                result += (int)currentTime;
                done = true;

            }
        }
    }

    

    public void OptionSelection(bool correctOption)
    {
        Debug.Log("OptionSelection reached!!");
        //debug.GetComponent<TextMeshProUGUI>().text = "<font=\"Urbscape SDF\"><mark=#00000>" + "goal timer reached" + "</mark>";
            
        if (correctOption)
        {
            result += (int)currentTime;
        }
        options.SetActive(false);
        done = true;
        
    }
}