using UnityEngine;
using System;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;

public class GameFun{
	// - 文字分割
	public static string[] SpiltString(ref string strText, string strKey){
		string[] stringArray = null;
		stringArray = strText.Split( new string[] {strKey}, StringSplitOptions.None);
		return stringArray;
	}
	// - 文字擷取
	public static string CutStrBeforeKey(ref string strText, string strKey){
		string strReturn = "";
		
		int iKeyIdx = strText.IndexOf(strKey);
		if (iKeyIdx < 0)
		{
			// 沒找到關鍵字，則回傳全部
			strReturn = strText;
			strText = "";
		} // end if
		else
		{
			strReturn = strText.Substring(0, iKeyIdx);	// 取得"關鍵字"之前的字串
			strText = strText.Remove(0, iKeyIdx + strKey.Length);	// 刪除包含關鍵字之前的字串
		} // end else	
		
		return strReturn;
	}

	// - 文字擷取
	public static string CutStrAfterKey(ref string strText, string strKey){
		int iKeyIdx = strText.IndexOf(strKey);
		if (iKeyIdx < 0){
			return "";
		}else{
			int iKeyLen = strKey.Length;
			int iTextLen = strText.Length;
			// 取得"關鍵字"之後的字串
			string strReturn = strText.Substring( iKeyIdx+iKeyLen
			                                    , iTextLen-iKeyIdx-iKeyLen);
			// 原字串刪除關鍵字與關鍵字之後的字串
			strText = strText.Remove(iKeyIdx, iTextLen-iKeyIdx);
		
			return strReturn;
		} // end else
	}

	// - 氣泡排序法
	public static void BubbleSortArray(ref int[] _Array, int _First, int _Kind){
		bool _Bool = false;
		
		for (int _i = _Array.Length; _i > _First; _i--){
			_Bool = false;
			for (int _j = _First; _j < _i; _j++){
				switch(_Kind){
				case 1:
					// - 小 -> 大
					if (_Array[_j] > _Array[_j + 1]){
						SwapArray(ref _Array, _j, _j + 1);
						_Bool = true;
					}
					break;
				case 2:
					// - 大 -> 小
					if (_Array[_j] < _Array[_j + 1]){
						SwapArray(ref _Array, _j, _j + 1);
						_Bool = true;
					}
					break;
				}
			}
			if (!_Bool)
				break;
		}
	}

	// - 快速排序
	public static void QuickSortArray(ref int[] _Array, int _First = 0){
		QuickSort(ref _Array, _First, _Array.Length - 1);
	}

	private static void QuickSort(ref int[] _Array, int _left, int _right){
		if (_left < _right)
		{
			int middle = _Array[(_left + _right) / 2];
			int i = _left - 1;
			int j = _right + 1;
			while (true)
			{
				while (_Array[++i] < middle) ;
				
				while (_Array[--j] > middle) ;
				
				if (i >= j)
					break;
				
				SwapArray(ref _Array, i, j);
			}
			
			QuickSort(ref _Array, _left, i - 1);
			QuickSort(ref _Array, j + 1, _right);
		}
	}

	// - 
	public static void SwapArray(ref int[] _Array, int _A, int _B){
		int _Temp = 0;
		_Temp = _Array[_A];
		_Array[_A] = _Array[_B];
		_Array[_B] = _Temp;
	}

	// - 網路找到文字換行
	public static string WarpWord(string originalWord,int lineWidth){
		StringBuilder sb = new StringBuilder();
		Regex punctuationRegex = new Regex(@"[，。；？~！：‘“”’【】（）]");
		int tempNum = 0;    char[] c = originalWord.ToCharArray();
		for (int i = 0; i < c.Length;i++){
			if (c[i] >= 0x4e00 && c[i] <= 0x9fa5){
				tempNum += 2;
				if(tempNum>lineWidth){
					i--;
					sb.Append("\n");
					tempNum = 0;
				}else{
					sb.Append(c[i]);
				}
			}else{
				if (punctuationRegex.IsMatch(c[i].ToString())){
					tempNum += 2;
					if(tempNum>lineWidth){
						i--;
						sb.Append("\n");
						tempNum = 0;
					}else{
						sb.Append(c[i]);
					}
				}else{
					tempNum++;
					if(tempNum>lineWidth){
						i--;
						sb.Append("\n");
						tempNum = 0;
					}else{
						sb.Append(c[i]);
					}
				}
			}
		}
		return sb.ToString();
	}

	// - 用來接全部的Debug.log之後只要關這個地方就好了
	public static void ShowDebugLog(string _Msg){
		Debug.Log(_Msg);
	}
}