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;

    RectTransform contentRect;

    Vector2 offsetV;
    void Awake()
    {
        contentRect = transform.Find("Scroll View/Viewport/Content").GetComponent<RectTransform>();
        text = transform.Find("Scroll View/Viewport/Content/Text").GetComponent<Text>();
        offsetV = new Vector2(0, 20);
    }

    public void StartShowWord(string str, Action cb)
    {
        Debug.Log("StartShowWord" + str);

        word = str;
        text.text = "";
        callBack = cb;
        if (contentRect.anchoredPosition.y != 0)
        {
            contentRect.anchoredPosition = Vector2.zero;
        }
        StartCoroutine("TypeText");
    }

    public void ShowWordImmediately()
    {
        Debug.Log("ShowWordImmediately");
        StopCoroutine("TypeText");
        text.text = "";
        char[] charArray = word.ToCharArray();
        length = 0;
        for (int i = 0; i < charArray.Length; i++)
        {
            if (charArray[i].Equals('$'))
            {
                text.text += GuideConfig.showWordsUBB[0];
                length += 19;
            }
            else if (charArray[i].Equals('%'))
            {
                length += 19;
                text.text += GuideConfig.showWordsUBB[1];
            }
            else if (charArray[i].Equals('`'))
            {
                length += 23;
                text.text += GuideConfig.showWordsUBB[2];
            }
            else if (charArray[i].Equals('&'))
            {
                length += 19;
                text.text += GuideConfig.showWordsUBB[3];
            }
            else if (charArray[i].Equals('*'))
            {
                length += 23;
                text.text += GuideConfig.showWordsUBB[4];
            }
            else
            {
                text.text += charArray[i];
            }

        }
        //text.text = word;

        if (text.text.Length - length >= 39 && contentRect.anchoredPosition != offsetV)
        {
            contentRect.anchoredPosition = offsetV;
        }
        else
        {
            contentRect.anchoredPosition = Vector2.zero;
        }
        if (callBack != null)
        {
            callBack();
            callBack = null;
        }

    }

    int length = 0;
    private IEnumerator TypeText()
    {
        char[] charArray = word.ToCharArray();
        length = 0;
        for (int i = 0; i < charArray.Length; i++)
        {
            if (charArray[i].Equals('$'))
            {
                text.text += GuideConfig.showWordsUBB[0];
                length += 19;
            }
            else if (charArray[i].Equals('%'))
            {
                length += 19;
                text.text += GuideConfig.showWordsUBB[1];
            }
            else if (charArray[i].Equals('`'))
            {
                length += 23;
                text.text += GuideConfig.showWordsUBB[2];
            }
            else if (charArray[i].Equals('&'))
            {
                length += 19;
                text.text += GuideConfig.showWordsUBB[3];
            }
            else if (charArray[i].Equals('*'))
            {
                length += 23;
                text.text += GuideConfig.showWordsUBB[4];
            }
            else
            {
                text.text += charArray[i];
            }

            if (text.text.Length - length >= 39 && contentRect.anchoredPosition != offsetV)
            {
                contentRect.anchoredPosition = offsetV;
            }
            yield return new WaitForSeconds(letterPause);
        }


        if (callBack != null)
        {
            callBack();
            callBack = null;
        }
    }
}