using System;
using UnityEngine;
using UnityEngine.UI;
using System.Collections;
/// <summary>
/// 播放文字脚本
/// </summary>
public class CharForeach : MonoBehaviour
{
    public float letterPause = 1f;
    private string word;
    private Text text;
    public delegate void CallBack();
    private Action callBack;
    private Action callBackFinal = null;

    void Awake()
    {
        text = transform.Find("Text").GetComponent<Text>();
        transform.Find("BGPanel").GetComponent<Button>().onClick.AddListener(OnClickBtn);
    }

    public void StartShowWord(string str, Action cb)
    {
        word = str;
        text.text = "";
        callBack = cb;
        StartCoroutine("TypeText");
    }

    string[] wordArray;
    int arrayIndex;
    bool isStarting;
    public void StartShowWord(string[] str, Action cb)
    {
        if (!isStarting)
        {
            wordArray = str;
            arrayIndex = 0;
            word = wordArray[arrayIndex];
            text.text = "";
            callBack = cb;
            StartCoroutine("TypeText");
        }
    }

    public void StartFinalShowWord(string[] str, Action cb, Action cb2)
    {
        if (!isStarting)
        {
            wordArray = str;
            arrayIndex = 0;
            word = wordArray[arrayIndex];
            text.text = "";
            callBack = cb;
            callBackFinal = cb2;
            StartCoroutine("TypeText");
        }
    }

    private void OnClickBtn()
    {
        if (isStarting)
        {
            ShowWordImmediately();
        }
        else
        {
            if (wordArray != null && arrayIndex != wordArray.Length - 1)
            {
                arrayIndex++;
                word = wordArray[arrayIndex];
                text.text = "";
                StartCoroutine("TypeText");
            }
            else
            {
                if (callBack != null)
                {
                    callBack();
                }
            }
        }
    }

    public void ShowWordImmediately()
    {
        if (isStarting)
        {
            StopCoroutine("TypeText");
            isStarting = false;
            text.text = "";
            char[] charArray = word.ToCharArray();
            for (int i = 0; i < charArray.Length; i++)
            {
                SetText(charArray[i]);
            }
            callBackFinal?.Invoke();

        }
    }

    private IEnumerator TypeText()
    {
        isStarting = true;
        char[] charArray = word.ToCharArray();

        for (int i = 0; i < charArray.Length; i++)
        {
            SetText(charArray[i]);
            yield return new WaitForSeconds(letterPause);
        }

        isStarting = false;
        callBackFinal?.Invoke();
        yield break;
    }

    private void SetText(char c)
    {
        if (c.Equals('$'))
        {
            text.text += GuideConfig.showWordsUBB[0];
        }
        else if (c.Equals('%'))
        {
            text.text += GuideConfig.showWordsUBB[1];
        }
        else if (c.Equals('`'))
        {
            text.text += GuideConfig.showWordsUBB[2];
        }
        else if (c.Equals('&'))
        {
            text.text += GuideConfig.showWordsUBB[3];
        }
        else if (c.Equals('*'))
        {
            text.text += GuideConfig.showWordsUBB[4];
        }
        else if (c.Equals('<'))
        {
            text.text += GuideConfig.showWordsUBB[5];
        }
        else
        {
            text.text += c;
        }
    }
}