using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class DialogueScript : MonoBehaviour
{
    public Text textComponent;
    public string[] lines;
    public float textSpeed;
    private int index;
    public List<int> images; 

    private GameObject image;
    private GameObject textImage;

    public List<GameObject> imageAndTexts;
    private int indexList = 0;

    private void OnEnable()
    {
        textComponent.text = string.Empty;
        StartDialogue();
    }
    // Update is called once per frame
    void Update()
    {
        if(images.Contains(index))
        {
                SetImageStep();
        }
        if (Input.GetMouseButtonDown(0))
        {
                if(images.Contains(index - 1)){
                    DisableImageStep();
                }
                if (textComponent.text == lines[index])
                {
                    NextLine();
                }
                else
                {
                    StopAllCoroutines();
                    textComponent.text = lines[index];
                }
        }
    }

    public void StartDialogue()
    {
        index = 0;
        StartCoroutine(TypeLine());
    }

    IEnumerator TypeLine()
    {
        foreach (char c in lines[index].ToCharArray())
        {
            textComponent.text += c;
            yield return new WaitForSeconds(textSpeed);
        }
    }

    public void NextLine()
    {
        if (index < lines.Length - 1)
        {
            index++;
            textComponent.text = string.Empty;
            StartCoroutine(TypeLine());
        }
        else
        {
            gameObject.SetActive(false);
        }
    }

    private void SetImageStep(){
        textImage = imageAndTexts[indexList];
        indexList ++;
        image = imageAndTexts[indexList];
        indexList ++;
        image.SetActive(true);
        textImage.SetActive(true);
        index ++;
    }

    private void DisableImageStep(){
        image.SetActive(false);
        textImage.SetActive(false);
    }
}