using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;


namespace CobXmlSupport
{
    public partial class ShowCode : Form
    {

        public readonly string CSV = ".csv";

        string oldTxt;
        bool bSynch;

        public ShowCode()
        {
            InitializeComponent();
            oldTxt = "";
            bSynch = false;
        }

        public bool BSynch
        {
            get
            {
                return bSynch;
            }
            set
            {
                bSynch = value;
                btnSynch.Visible = bSynch;
            }
        }

        public TextBox CodeShower
        {
            get { return txtCode; }
            set { txtCode = value; }
        }

        public string Labeltext
        {
            get { return lblCodeType.Text; }
            set { lblCodeType.Text = value; }
        }

        private GenCobCode parentWindow;

        public GenCobCode Parent
        {
            get { return parentWindow; }
            set { parentWindow = value; }
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void txtCode_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Control && e.KeyCode == Keys.A)
            {
                txtCode.SelectAll();
            }
        }

        private void txtCode_TextChanged(object sender, EventArgs e)
        {
            if (txtCode.Text.Length > oldTxt.Length)
            {
                string tmpNewText = txtCode.Text.Substring(oldTxt.Length);

                // Debug.Write(tmpNewText);
                // Tag bort denna kommentering för att testa på vad som precis skrivs på log-fönster.
                oldTxt = txtCode.Text;
            }
        }

        private void btnSynch_Click(object sender, EventArgs e)
        {
            Dictionary<string, string> wrkDic = null;
            string codeComplement = "", fieldCompl = "", codeComplInit = "";

            string inFile = parentWindow.CmbLastFile.Text.Substring(parentWindow.CmbLastFile.Text.LastIndexOf("\\") + 1);
            string inPath = parentWindow.CmbLastFile.Text.Substring(0, parentWindow.CmbLastFile.Text.LastIndexOf("\\") + 1);
            string codeFile = inFile.Substring(0, inFile.LastIndexOf(".")) + CSV;
            this.CodeShower.Text = " InPath = " + inPath + "\r\n InFile = " + inFile + "\r\n codeFile = " + codeFile + "\r\n codePath = " +inPath+ codeFile + "\r\n -------------- \r\n" + this.CodeShower.Text;

            if (File.Exists(inPath + codeFile))
            {
                codeComplement = File.ReadAllText(inPath + codeFile);
            }
            if (codeComplement.Length > 0)
            {
                wrkDic = moveFieldDictionary(codeComplement);
            }
            foreach (CobRow cr in parentWindow.RowList)
            {

                if (!cr.isAttribute && !cr.SampleStr.Equals(parentWindow.NOMOVE))
                {


                    if (wrkDic != null && wrkDic.Count > 0)
                    {

                        if (wrkDic.TryGetValue(cr.FieldName, out fieldCompl))
                        {
                            cr.MoveCode = deQuote( fieldCompl);
                        }
                    }
                    if (cr.MoveCode == null)
                        codeComplInit += cr.FieldName + "\t" + " \r\n";
                    else
                        codeComplInit += cr.FieldName + "\t" + enQuote( cr.MoveCode.Replace("\r\n", "\n")) + "\r\n";
                }
            }

            string backupfile;
            if (S.ettingUserCodeBcup)
            {
                backupfile = inPath + inFile.Substring(0, inFile.LastIndexOf(".")) + "." +
                    (DateTime.Now.Year - 2000).ToString("00") +
                    DateTime.Now.Month.ToString("00") +
                    DateTime.Now.Day.ToString("00") + "T" +
                    DateTime.Now.Hour.ToString("00") +
                    DateTime.Now.Minute.ToString("00") +
                    DateTime.Now.Second.ToString("00") + CSV;
            }
            else { 
                backupfile = inPath + inFile.Substring(0, inFile.LastIndexOf(".")) + ".backup"+CSV;
                File.Delete(backupfile);
            }

            if (File.Exists(inPath + codeFile))
            {
                File.Move(inPath + codeFile, backupfile);//+ DateTime.Now.ToString());
            }
            File.WriteAllText(inPath + codeFile, codeComplInit);

            refreshWindow();
            this.CodeShower.Text = " InPath = " + inPath + "\r\n InFile = " + inFile + "\r\n codeFile = " + codeFile + "\r\n codePath = " + inPath + codeFile + "\r\n -------------- \r\n" + this.CodeShower.Text;

        }

        private string deQuote(string inString)
        {
            string tmpStr = "";
            char[] x = inString.ToArray<char>();
            for (int i = 0; i < x.Length; i++)
            {
                if (x[i] == '\"')
                {
                    if (i < x.Length - 1)
                    {
                        if (x[i + 1] == '\"')
                        {
                            i++;
                            tmpStr += "\"";
                        }
                    }
                }
                else tmpStr += x[i];
            }
            return tmpStr;
        }

        private string enQuote(string inString)
        {
            string tmpStr = "";
            char[] x = inString.ToArray<char>();
            for (int i = 0; i < x.Length; i++)
            {
                if (x[i] == '\"')
                {
                    {
                        tmpStr += "\"\"";
                    }
                }
                else tmpStr += x[i];
            }
            return "\""+tmpStr+"\"";
        }


        private Dictionary<string, string> moveFieldDictionary(string inFil)
        {
            Dictionary<string, string> tmpDic = new Dictionary<string, string>();
            string[] splits = { "\r\n" };
            string[] itemPairs = inFil.Split(splits, StringSplitOptions.RemoveEmptyEntries);
            char[] newSplits = { '\t' };
            foreach (string itemPair in itemPairs)
            {
                string[] items = itemPair.Split(newSplits);
                tmpDic.Add(items[0], items[1].Replace("\n", "\r\n"));
            }

            return tmpDic;
        }

        private void refreshWindow()
        {
            this.CodeShower.Text = "";
            foreach (CobRow cr in parentWindow.RowList)
            {
                if (cr.CobLevel < 2)
                {
                    string inFile = parentWindow.CmbLastFile.Text.Substring(parentWindow.CmbLastFile.Text.LastIndexOf("\\") + 1);
                    parentWindow.CreateComment(this.CodeShower, "Moves reference (with loop) " + cr.FieldName, S.ettingUserName, S.ettingCompany, inFile);
                }
                // Header square created

                if (!cr.isAttribute && !cr.SampleStr.Equals(parentWindow.NOMOVE))
                {
                    if (this.CodeShower.Text == "") { }
                    else this.CodeShower.Text += "\r\n";
                    if (cr.MoveCode == null)
                    {
                        this.CodeShower.Text += "".PadRight(30) + " " + cr.FieldName.PadRight(30);

                    }
                    else
                    {
                        this.CodeShower.Text += cr.MoveCode.PadRight(30) + " " + cr.FieldName.PadRight(30);
                    }
                }

            }

        }

    }
}