using MES.Utility.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using 常用工具集.Base;
using NHibernate.AdoNet.Util;
using System.Xml;
using System.IO;

namespace 常用工具集.ViewModel._05其他
{
    public class SQLStringBuilder封装ViewModel : ViewModelBase
    {
        public string Button1Text { get; set; } = "生成";
        public string TextBox1 { get; set; } = "";
        public string TextBox2 { get; set; } = "";
        public string TextBox3 { get; set; } = "strSql";
        public string Text3Title { get; set; } = "StringBuilder参数:";

        public bool TextBox3Visiable { get; set; } = true;
        public List<string> FuncList { get; set; }

        public int funcIndex = 0;
        public int FuncIndex
        {
            get
            {
                return funcIndex;
            }
            set
            {
                funcIndex = value;
                SelectChanged();
                NotifyPropertyChanged();
            }
        }



        public bool RadioButton1 { get; set; } = true;
        public bool RadioButton2 { get; set; } = false;
        public bool RadioButton3 { get; set; } = false;
        public string RadioButton1Text { get; set; } = "Java";
        public string RadioButton2Text { get; set; } = "C#";
        public string RadioButton3Text { get; set; } = "JS";
        public bool RadioButton1Visiable { get; set; } = true;
        public bool RadioButton2Visiable { get; set; } = true;
        public bool RadioButton3Visiable { get; set; } = true;



        public bool CheckBox1 { get; set; } = false;
        public bool CheckBox3 { get; set; } = true;
        public bool CheckBox2 { get; set; } = true;
        public bool CheckBox1Visiable { get; set; } = true;
        public bool CheckBox3Visiable { get; set; } = true;
        public bool CheckBox2Visiable { get; set; } = true;

        public DelegateCommand GenerateCmd { get; set; }
        public DelegateCommand ClearCmd { get; set; }

        public SQLStringBuilder封装ViewModel()
        {
            FuncList = new List<string>() {
                "SQL转StringBuilder",
                "XML格式化",
                "SQL格式化",
                "StringBuilder转SQL",
                "大小写转换",
                "JSON格式化"
            };
            FuncIndex = 0;
            GenerateCmd = new DelegateCommand(GenerateCmdFunc);
            ClearCmd = new DelegateCommand(ClearCmdFunc);
        }

        private void GenerateCmdFunc(object obj)
        {
            //SQL转StringBuilder
            if (FuncIndex == 0)
            {
                if (CheckBox1)
                {
                    string text2 = FormatStyle.Basic.Formatter.Format(TextBox1);
                    TextBox1 = text2;
                }
                List<string> first = GetFirstContext();
                List<string> second = new List<string>();
                if (first.Count == 0)
                {
                    TextBox2 = string.Empty;
                    return;
                }
                int maxLength = GetMaxLength(GetNewList(first));

                if (RadioButton3)
                {
                    second.Add("var " + GetParmName() + " = \"\";");
                }
                else
                {
                    second.Add("StringBuilder " + GetParmName() + " = new StringBuilder();");
                }
                //循环处理每一行
                foreach (string str in first)
                {
                    if (!CheckBox3)
                    {
                        if (str.Trim().StartsWith("--"))
                        {
                            second.Add(str.Trim().Replace("--", "//"));
                            continue;
                        }
                        if (str.Contains("--"))
                        {
                            //分割
                            int index = str.IndexOf("--");
                            string str1 = str.Substring(0, index).TrimEnd();
                            string str2 = str.Substring(index, str.Length - index).Trim();
                            if (!CheckBox2)
                            {
                                second.Add(GetString2(str1, 0, CheckBox3) + "  " + str2.Replace("--", "//"));
                            }
                            else
                            {
                                string retStr = GetString(str1, maxLength - System.Text.Encoding.Default.GetByteCount(str1), CheckBox3) + "  " + str2.Replace("--", "//");
                                second.Add(retStr);
                            }

                            continue;
                        }
                    }
                    if (!CheckBox2)
                    {
                        second.Add(GetString2(str, 0, CheckBox3));
                    }
                    else
                    {
                        second.Add(GetString(str, maxLength - System.Text.Encoding.Default.GetByteCount(str), CheckBox3));
                    }
                }

                TextBox2 = second.GetStrArray("\r\n");
            }
            //XML格式化
            else if (FuncIndex == 1)
            {
                if (TextBox1.IsNullOrEmpty())
                {
                    TextBox2 = string.Empty;
                    return;
                }
                TextBox2 = FormatXml(TextBox1);
            }
            //SQL格式化
            else if (FuncIndex == 2)
            {
                if (TextBox1.IsNullOrEmpty())
                {
                    TextBox2 = string.Empty;
                    return;
                }
                TextBox2 = FormatStyle.Basic.Formatter.Format(TextBox1);
            }
            //StringBuilder转SQL
            else if (FuncIndex == 3)
            {
                List<string> first = GetFirstContext();
                List<string> second = new List<string>();
                if (first.Count == 0)
                {
                    return;
                }
                //判断是否每一行是否以StringBuilder开头
                string parmName = GetStringBuilderParmName(first[0]);
                if (parmName.IsNullOrEmpty())
                {
                    return;
                }
                for (int i = 1; i < first.Count; i++)
                {
                    string str = first[i];
                    string handlerStr = HandlerString(str, parmName);
                    if (!String.Empty.Equals(handlerStr))
                    {
                        second.Add(handlerStr);
                    }
                }
                if (second.Count != 0)
                {
                    int spaceNum = second[0].IndexOf(second[0].Trim());
                    for (int i = 0; i < second.Count; i++)
                    {
                        second[i] = QuSpace(second[i], spaceNum);
                    }
                }
                TextBox2 = second.GetStrArray("\r\n");
            }
            //大小写转换
            else if (FuncIndex == 4)
            {
                if (TextBox1.IsNullOrEmpty())
                {
                    TextBox2 = string.Empty;
                    return;
                }
                List<string> first = GetFirstContext();
                List<string> second = new List<string>();
                if (RadioButton1)
                {
                    foreach (string str in first)
                    {
                        second.Add(str.ToUpper());
                    }
                }
                else if (RadioButton2)
                {
                    foreach (string str in first)
                    {
                        second.Add(str.ToLower());
                    }
                }
                TextBox2 = second.GetStrArray("\r\n");

            }
            //JSON格式化
            else if (FuncIndex == 5)
            {
                if (TextBox1.IsNullOrEmpty())
                {
                    TextBox2 = string.Empty;
                    return;
                }
                TextBox2 = TextBox1.FormatJson();
            }
        }

        private void ClearCmdFunc(object obj)
        {
            TextBox1 = string.Empty;
            TextBox2 = string.Empty;
        }

        private void SelectChanged()
        {
            //SQL转StringBuilder
            if (FuncIndex == 0)
            {
                RadioButton1Visiable = true;
                RadioButton2Visiable = true;
                RadioButton3Visiable = true;
                RadioButton1Text = "Java";
                RadioButton2Text = "C#";
                RadioButton3Text = "JS";
                CheckBox1Visiable = true;
                CheckBox2Visiable = true;
                CheckBox3Visiable = true;
                TextBox3Visiable = true;
                Button1Text = "生成";
                Text3Title = "StringBuilder参数";
                TextBox3 = "strSql";
            }
            //StringBuilder转SQL
            else if (FuncIndex == 3)
            {
                RadioButton1Visiable = false;
                RadioButton2Visiable = false;
                RadioButton3Visiable = false;
                TextBox3Visiable = false;
                CheckBox1Visiable =false;
                CheckBox2Visiable =false;
                CheckBox3Visiable = false;
                Button1Text = "生成";
            }
            //XML格式化
            else if (FuncIndex == 1)
            {
                RadioButton1Visiable = false;
                RadioButton2Visiable = false;
                RadioButton3Visiable = false;
                TextBox3Visiable =  false;
                CheckBox1Visiable = false;
                CheckBox2Visiable = false;
                CheckBox3Visiable = false;
                Button1Text = "格式化";
            }
            //JSON格式化
            else if (FuncIndex == 5)
            {
                RadioButton1Visiable = false;
                RadioButton2Visiable = false;
                RadioButton3Visiable = false;
                TextBox3Visiable =  false;
                CheckBox1Visiable = false;
                CheckBox2Visiable = false;
                CheckBox3Visiable = false;
                Button1Text = "格式化";
            }
            //SQL格式化
            else if (FuncIndex == 2)
            {
                RadioButton1Visiable = false;
                RadioButton2Visiable = false;
                RadioButton3Visiable = false;
                TextBox3Visiable = false;
                CheckBox1Visiable =false;
                CheckBox2Visiable =false;
                CheckBox3Visiable = false;
                Button1Text = "格式化";
            }
            //大小写转换
            else if (FuncIndex == 4)
            {
                RadioButton1Visiable = true;
                RadioButton2Visiable = true;
                RadioButton3Visiable = false;
                RadioButton1Text = "转大写";
                RadioButton2Text = "转小写";
                RadioButton1 = true;
                TextBox3Visiable =  false;
                CheckBox1Visiable = false;
                CheckBox2Visiable = false;
                CheckBox3Visiable = false;
                Button1Text = "转换";
            }
        }

        private string FormatXml(string sUnformattedXml)
        {
            XmlDocument xd = new XmlDocument();
            xd.LoadXml(sUnformattedXml);
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);
            XmlTextWriter xtw = null;
            try
            {
                xtw = new XmlTextWriter(sw);
                xtw.Formatting = Formatting.Indented;
                xtw.Indentation = 1;
                xtw.IndentChar = '\t';
                xd.WriteTo(xtw);
            }
            finally
            {
                if (xtw != null)
                    xtw.Close();
            }
            return sb.ToString();
        }


        public string GetParmName()
        {
            string parm = TextBox3.Trim();
            if (parm.IsNullOrEmpty())
            {
                return "strSql";
            }
            return parm;
        }

        #region 给定一个集合得到去注释后的集合
        public List<string> GetNewList(List<string> list)
        {
            List<string> list2 = new List<string>();
            foreach (string str in list)
            {
                //if (str.Trim().StartsWith("--"))
                //{
                //    continue;
                //}
                //if (str.Contains("--"))
                //{
                //    int index = str.IndexOf("--");
                //    list2.Add(str.Substring(0, index));
                //    continue;
                //}
                list2.Add(str.TrimEnd());
            }
            return list2;
        }
        #endregion

        #region 给定一个List得到其中最长的长度
        public int GetMaxLength(List<string> list)
        {
            int maxLength = 0;
            foreach (string str in list)
            {
                if (System.Text.Encoding.Default.GetByteCount(str) > maxLength)
                {
                    maxLength = System.Text.Encoding.Default.GetByteCount(str);
                }
            }
            return maxLength;
        }
        #endregion


        #region 获得每一行值
        public string GetString(string strInfo, int spaceNum, bool appendLine)
        {
            string str = string.Empty;
            if (RadioButton1)
            {
                if (appendLine)
                {
                    str += GetParmName() + ".append(\"     " + strInfo + GetSpace(spaceNum) + "     \").append(\"\\n\");";
                }
                else
                {
                    str += GetParmName() + ".append(\"     " + strInfo + GetSpace(spaceNum) + "     \");";
                }
            }
            if (RadioButton2)
            {
                if (appendLine)
                {
                    str += GetParmName() + ".Append(\"     " + strInfo + GetSpace(spaceNum) + "     \").AppendLine();";
                }
                else
                {
                    str += GetParmName() + ".Append(\"     " + strInfo + GetSpace(spaceNum) + "     \");";
                }
            }
            if (RadioButton3)
            {
                if (appendLine)
                {
                    str += GetParmName() + " += \"     " + strInfo + GetSpace(spaceNum) + "     \\n\";";
                }
                else
                {
                    str += GetParmName() + " += \"     " + strInfo + GetSpace(spaceNum) + "     \";";
                }
            }
            return str;
        }

        public string GetString2(string strInfo, int spaceNum, bool appendLine)
        {
            string str = string.Empty;
            if (RadioButton1)
            {
                if (appendLine)
                {
                    str += GetParmName() + ".append(\" " + strInfo + GetSpace(spaceNum) + "\").append(\"\\n\");";
                }
                else
                {
                    str += GetParmName() + ".append(\" " + strInfo + GetSpace(spaceNum) + "\");";
                }
            }
            if (RadioButton2)
            {
                if (appendLine)
                {
                    str += GetParmName() + ".Append(\" " + strInfo + GetSpace(spaceNum) + "\").AppendLine();";
                }
                else
                {
                    str += GetParmName() + ".Append(\" " + strInfo + GetSpace(spaceNum) + "\");";
                }
            }
            if (RadioButton3)
            {
                if (appendLine)
                {
                    str += GetParmName() + " += \" " + strInfo + GetSpace(spaceNum) + "\\n\";";
                }
                else
                {
                    str += GetParmName() + " += \" " + strInfo + GetSpace(spaceNum) + "\";";
                }
            }
            return str;
        }
        #endregion

        #region 补空格
        public string GetSpace(int num)
        {
            string str = string.Empty;
            for (int i = 0; i < num; i++)
            {
                str += " ";
            }
            return str;
        }
        #endregion


        #region 得到上面文本的每一行值
        public List<string> GetFirstContext()
        {
            List<string> list = new List<string>();
            string content = TextBox1;
            if (string.Empty.Equals(content.Trim()))
            {
                return list;
            }
            if (content.Contains("\t"))
            {
                content = content.Replace("\t", "    ");
            }
            content = content.Replace("\r", "");
            string[] str = content.Split('\n');
            foreach (string strings in str)
            {
                if (!string.Empty.Equals(strings.Trim()))
                {
                    list.Add(strings.TrimEnd());
                }
            }
            return list;
        }
        #endregion



        private string QuSpace(string str, int spaceNum)
        {
            string space = string.Empty;
            for (int i = 0; i < spaceNum; i++)
            {
                space += " ";
            }
            if (!str.Contains(space))
            {
                return str;
            }
            return str.Substring(str.IndexOf(space) + spaceNum, str.Length - str.IndexOf(space) - spaceNum);
        }

        private string HandlerString(string str, string parmName)
        {
            if (str.Contains(parmName + ".Append"))
            {
                //得到StringBuilder中间的词
                string sqlStr = GetStringBuilderText(str, parmName + ".Append");
                //得到注释
                string zhushi = GetZhuShi(str);
                //拼接
                if (string.Empty.Equals(zhushi))
                {
                    return sqlStr.TrimEnd();
                }
                else
                {
                    return sqlStr.TrimEnd() + " --" + zhushi;
                }
            }
            if (str.Contains(parmName + ".append"))
            {
                //得到StringBuilder中间的词
                string sqlStr = GetStringBuilderText(str, parmName + ".append");
                //得到注释
                string zhushi = GetZhuShi(str);
                //拼接
                if (string.Empty.Equals(zhushi))
                {
                    return sqlStr.TrimEnd();
                }
                else
                {
                    return sqlStr.TrimEnd() + " --" + zhushi;
                }
            }
            return string.Empty;
        }

        private string GetStringBuilderText(string str, string startStr)
        {
            startStr = startStr + "(\"";
            str = str.Substring(str.IndexOf(startStr), str.IndexOf("\")") - str.IndexOf(startStr));
            str = str.Substring(startStr.Length, str.Length - startStr.Length);
            return str;
        }

        private string GetZhuShi(string str)
        {
            string retStr = string.Empty;
            if (str.Contains(@"//"))
            {
                retStr = str.Substring(str.IndexOf("//") + 2, str.Length - str.IndexOf("//") - 2);
            }
            return retStr;
        }

        private string GetStringBuilderParmName(string str)
        {
            string parmName = String.Empty;
            if (!str.Contains("StringBuilder"))
            {
                return parmName;
            }
            str = str.Substring(str.IndexOf("StringBuilder"), str.IndexOf("=") - str.IndexOf("StringBuilder"));
            str = str.Substring(str.IndexOf(" "), str.Length - str.IndexOf(" "));
            parmName = str.Trim();
            return parmName;
        }
    }
}