using System.Collections;
using System.Collections.Generic;
using System.Xml.Serialization;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class npcScript : MonoBehaviour
{
    public GameObject npcPanel;
    public GameObject textBtn;
    public TMP_Text npcText;
    // public string[] texts;
    public QuestScriptable [] questData;
    public int activeQuest;
    private int index;

    //public GameObject questUI;

    public float textspeed = 0.10f;
    public bool isPlayerClose;

    void Update()
    {
        if(isPlayerClose){
            // if(npcPanel.activeInHierarchy){
            //     ResetTexts();
            // }else{
            //     npcPanel.SetActive(true);
            //     StartCoroutine(textLoad());
            // }
        }
        if(npcText.text == questData[activeQuest].questLines[index]){
            textBtn.SetActive(true);

        }

    }

    public void ResetTexts(){
        npcPanel.SetActive(false);
        npcText.text = "";
        index = 0;
    }
    bool isLooping = false;
    IEnumerator textLoad(){
        isLooping = true;
        foreach(char letter in questData[activeQuest].questLines[index].ToCharArray()){
            npcText.text += letter;
            yield return new WaitForSecondsRealtime(textspeed);
        }
        isLooping=false;
    }
    Coroutine textLoopAsync ;
    public void NextLine(){
        textBtn.SetActive(false);
        if(index < questData[activeQuest].questLines.Length -1 ){
            index++;
            npcText.text = "";
            LoadText();

        }else{
            ResetTexts();

            //Start quest
            // questUI.SetActive(true);
            playerNetwork.localPlayerTransform.GetComponent<playerNetwork>().QuestFunction(questData[activeQuest]);
        }
    }

    private void OnTriggerEnter2D(Collider2D other) {
        if(other.CompareTag("Player")){
            
            if(other.transform == playerNetwork.localPlayerTransform){
                if(playerNetwork.localPlayerTransform.GetComponent<playerNetwork>().currentQuest == questData[activeQuest]){
                    return;
            }
                for(int i =0; i < questData.Length; i++){
                    bool isFound = false;
                    foreach(string questName in playerNetwork.localPlayerTransform.GetComponent<playerNetwork>().completedQuests){
                        if(questName == questData[i].name){
                            isFound = true;
                            
                        }
                    }
                    if(!isFound){
                        activeQuest = i;
                        break;
                    }
            }
            isPlayerClose = true;
             if(npcPanel.activeInHierarchy){
                ResetTexts();
            }else{
                npcPanel.SetActive(true);
                LoadText();
            }

        }
        
        }
    }

    void LoadText(){
        npcText.text = "";
        if(textLoopAsync!=null){
            StopCoroutine(textLoopAsync);
        }
        textLoopAsync = StartCoroutine(textLoad());
    }

    private void OnTriggerExit2D(Collider2D other) {
        if(other.CompareTag("Player")){
            if(other.transform == playerNetwork.localPlayerTransform){
            isPlayerClose = false;
            ResetTexts();
        }
        }
    }


}