using System;
using System.Collections;

namespace Sog
{
    public class TabTextFile
    {
        private string FileName;
        private string[] Titles;
        private string[] Types;
        private ArrayList Body;
        public int CurrentLine { get; private set; }

        public TabTextFile(string strFileName, string strContent)
        {
            FileName = strFileName;
            string[] content = strContent.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

            //头2行分别是字段名字和类型
            Titles = content[0].Split(new char[] { '\t' });
            Types = content[1].Split(new char[] { '\t' });

            Body = new ArrayList();
            for (int i = 2; i < content.Length; i++)
            {
                string[] line = content[i].Split(new char[] { '\t' });
                Body.Add(line);
            }
            Body.TrimToSize();
            Begin();
        }

        public void Begin()
        {
            CurrentLine = -1;
        }

        public bool Next()
        {
            CurrentLine++;
            if (CurrentLine >= Body.Count)
                return false;
            return true;
        }

        public void SetCurrentLine(int currentLine)
        {
            CurrentLine = currentLine;
        }

        public int TotalLine()
        {
            return Body.Count;
        }

        public T Get<T>(string strColName)
        {
            int nColIndex = Array.IndexOf(Titles, strColName);
            if (nColIndex < 0)
            {
                TraceLog.Error("TabFile: read data error, file:{0}, colName:{1}", FileName, strColName);
                return default(T);
            }
            return this.Get<T>(nColIndex);
        }

        public T Get<T>(int nColIndex)
        {
            string strValue = this.getValueString(nColIndex);
            Type t = typeof(T);
            try
            {
                return (T)Convert.ChangeType(strValue, t);
            }
            catch (Exception)
            {
                TraceLog.Error("TabFile: {0} Wrong Format: {1}:{2}", FileName, nColIndex, CurrentLine);
            }
            return default(T);
        }

        private string getValueString(int nColIndex)
        {
            string[] line = (string[])Body[CurrentLine];
            if (nColIndex < 0 || nColIndex >= line.Length)
            {
                TraceLog.Error("TabFile:" + FileName + " Wrong ColIndex: " + nColIndex + " At Line: " + CurrentLine);
                return null;
            }
            string value = line[nColIndex];

            return value.Replace("\\n","\n");

            //return line[nColIndex];
        }

        public string GetString(string strColName)
        {
            int nColIndex = Array.IndexOf(Titles, strColName);
            return getValueString(nColIndex);
        }

        public int GetInt32(string strColName)
        {
            return GetInt32(Array.IndexOf(Titles, strColName));
        }

        public int GetInt32(int nColIndex)
        {
            try
            {
                return Convert.ToInt32(getValueString(nColIndex));
            }
            catch (Exception)
            {
                TraceLog.Error("TabFile: " + FileName + "Wrong Format: " + nColIndex + " : " + CurrentLine);
                return 0;
            }
        }

        public uint GetUInt32(string strColName)
        {
            return GetUInt32(Array.IndexOf(Titles, strColName));
        }

        public uint GetUInt32(int nColIndex)
        {
            try
            {
                return Convert.ToUInt32(getValueString(nColIndex));
            }
            catch (Exception)
            {
                TraceLog.Error("TabFile: " + FileName + "Wrong Format: " + nColIndex + " : " + CurrentLine);
                return 0;
            }
        }

        public double GetDouble(string strColName)
        {
            return GetDouble(Array.IndexOf(Titles, strColName));
        }

        public double GetDouble(int nColIndex)
        {
            try
            {
                return Convert.ToDouble(getValueString(nColIndex));
            }
            catch (Exception)
            {
                TraceLog.Error("TabFile: " + FileName + "Wrong Format: " + nColIndex + " : " + CurrentLine);
                return 0;
            }
        }

        public float GetFloat(string strColName)
        {
            return (float)GetDouble(strColName);
        }

        public float GetFloat(int nColIndex)
        {
            return (float)GetDouble(nColIndex);
        }
    }
}