using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DevelopAssistant.Format
{
 /// <summary>
 /// 功能描述:Json 格式化 
 /// 版本号:v 1.0.0
 /// 创建作者:王晓东
 /// 更新时间:2016年02月17日
 /// </summary>
 public class JsonFormatHelper
 {
 /// <summary>
 /// 格式化为Json 字符串
 /// </summary>
 /// <param name="strjson">Json 字符串</param>
 /// <param name="arrepl">需要替换的字符串</param>
 /// <returns></returns>
 public static string FormatToJson(string strjson, Dictionary<string, string> arrepl = null)
 {
 string result = string.Empty;
 try
 {
 if (string.IsNullOrEmpty(strjson))
 return strjson;

 int temp_index = 0;//临时记数 

 strjson = strjson.Replace('\r', ' ').Replace('\n', ' ');

 char[] chr_array = strjson.ToCharArray();
 List<char> chr_list = new List<char>();

 int stringIndex = 0;
 bool stringClosed = true;

 int charIndex = 0;
 bool charClosed = true;

 #region 处理换行,去除空格

 for (int i = 0, len = chr_array.Length; i < len; i++)
 {
 char chr = chr_array[i];

 if (chr == '"')
 {
 if (stringIndex == 0)
 stringIndex = 1;
 else
 stringIndex = 0;
 }

 stringClosed = stringIndex == 0 ? true : false;


 if (chr == '\'')
 {
 if (charIndex == 0)
 charIndex = 1;
 else
 charIndex = 0;
 }

 charClosed = charIndex == 0 ? true : false;

 if (chr != ' ')
 {
 if (chr != '{' && chr != '}' && chr != ',' && chr != '[' && chr != ']'
 && chr != '*')
 {
 chr_list.Add(chr);
 }
 else
 {
 if (chr == '{' || chr == '[')
 {
 chr_list.Add(chr);
 chr_list.Add('\n');
 }
 if (chr == '}' || chr == ']')
 {
 chr_list.Add('\n');
 chr_list.Add(chr);
 }
 if (chr == ',')
 {
 chr_list.Add(chr);
 if (stringClosed && charClosed)
 chr_list.Add('\n');
 }
 if (chr == '*')
 {
 bool isComment = false;
 if (i > 0 && chr_array[i - 1] == '/')
 {
 chr_list.Add(chr);
 chr_list.Add('\n');
 isComment = true;
 }
 if (i < len - 1 && chr_array[i + 1] == '/')
 {
 chr_list.Add('\n');
 chr_list.Add(chr);
 isComment = true;
 }
 if (!isComment)
 {
 chr_list.Add(chr);
 }
 }
 }
 }
 else
 {
 if ((i > 0 && chr_array[i - 1] != ' ') &&
 (i < len - 1 && chr_array[i + 1] != ' '))
 {
 chr_list.Add(chr);
 }
 }

 }

 #endregion

 string temp_str = string.Concat(chr_list.ToArray());

 //替换字符
 if (arrepl != null)
 {
 foreach (var key in arrepl.Keys)
 {
 temp_str = temp_str.Replace(key, arrepl[key]);
 }
 }

 #region 处理缩进,格式化样式

 string tab = " ";
 string[] str_lines = temp_str.Split('\n');
 foreach (string line in str_lines)
 {
 string temp_line = line.ToString();

 if (line == "{" || line == "[")
 {
 temp_index = temp_index + 1;
 for (int j = 1; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 }

 if (line == "}" || line == "]")
 {
 for (int j = 1; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 temp_index = temp_index - 1;
 }

 if (line.Contains("},"))
 {
 for (int j = 1; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 temp_index = temp_index - 1;
 }

 if (line.Contains("],"))
 {
 for (int j = 1; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 temp_index = temp_index - 1;
 }

 if (line.Contains(":[") || line.Contains(":{"))
 {
 for (int j = 0; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 temp_index = temp_index + 1;
 }

 if (line.ToLower().Contains("){"))
 {
 temp_index = temp_index + 1;
 }


 if (line != "[" && line != "{" && line != "}" && line != "]" && line != "},"
 && line != "]," && !line.Contains(":[") && !line.Contains(":{"))
 {
 for (int j = 0; j < temp_index; j++)
 {
 temp_line = tab + temp_line;
 }
 }

 result = result + temp_line + "\r\n";

 }

 #endregion

 temp_str = null;
 chr_list.Clear();
 chr_list = null;

 }
 catch (Exception ex)
 {
 result = strjson;
 }
 return result;
 }

 public static string FormatToString(string strjson)
 {
 return FormatToJson(strjson);
 }

 /// <summary>
 /// Json 字符串压缩
 /// </summary>
 /// <param name="strjson">Json 字符串</param>
 /// <param name="arrepl">需要替换的字符串</param>
 /// <returns></returns>
 public static string CompressToString(string strjson, Dictionary<string, string> arrepl = null)
 {
 string result = string.Empty;

 //替换字符
 if (arrepl != null)
 {
 foreach (var key in arrepl.Keys)
 {
 strjson = strjson.Replace(key, arrepl[key]);
 }
 }

 strjson = strjson.Replace('\r', ' ').Replace('\n', ' ');
 strjson = strjson.Replace('\t', ' ').Replace(" ","");

 result = strjson;

 return result;
 }
 }
}