using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

public class TutorialScreen : MonoBehaviour
{
    public Transform messageParent;
    public Button btn_next;
    public Button[] additional_next_buttons;
    public int delayBeforeAppear;
    public bool hideNextButtonOnStart=true;
    public UnityEvent OnNextClicked;

    Dictionary<TMP_Text, string> messages;

    void Awake(){
        btn_next.onClick.AddListener(OnNextButton);
        foreach(Button btn in additional_next_buttons){
            btn.onClick.AddListener(OnNextButton);
        }
    }

    public void Show(){
        gameObject.SetActive(true);
        ShowTexts();
    }

    async void ShowTexts(){
        if(hideNextButtonOnStart){btn_next.gameObject.SetActive(false);}
        int typewriteDelay = 0;
        if(messages == null){
            messages = new Dictionary<TMP_Text, string>();
            TMP_Text[] texts = messageParent.GetComponentsInChildren<TMP_Text>();
            foreach(TMP_Text text in texts){
                messages.Add(text, text.text);
                text.text = "";
            }
        }
            foreach(KeyValuePair<TMP_Text, string> message in messages){
                message.Key.text="";
                Debug.Log(message.Value);
                for(int i=0; i < message.Value.Length; i++){
                    message.Key.text+=message.Value.ToCharArray()[i];
                    if(typewriteDelay< 4){
                        typewriteDelay++;
                    }else{
                    AudioManager.instnace.TypeWriter();
                    typewriteDelay=0;
                    }
                    await Task.Delay(20);
                }
                await Task.Delay(500);
            }
        

        btn_next.gameObject.SetActive(true);
    }

    public void Hide(){
        gameObject.SetActive(false);
    }

    public void OnNextButton(){
        OnNextClicked.Invoke();
        Debug.Log("Next button clicked");
        TutorialManager.NextClicked();
        AudioManager.instnace.UIClick();
    }
}