using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WindowsFormsCore.Domain;
using WindowsFormsCore.Operations;

namespace WindowsFormsCore
{
    public enum LNum
    {
        x1 = 1,
        x2 = 2,
        x3 = 3,
        x4 = 4,
        x5 = 5,
        x6 = 6,
        x7 = 7,
        x8 = 8,
        x9 = 9,
        x10 = 10,
        x11 = 11,
        x12 = 12,
        x13 = 13,
        x14 = 14,
        x15 = 15,
        x16 = 16,
        x17 = 17,
        x18 = 18,
        x19 = 19,
        x20 = 20,
        x21 = 21,
        x22 = 22,
        x23 = 23,
        x24 = 24,
        x25 = 25,
        x26 = 26,
        x27 = 27,
        x28 = 28,
        x29 = 29,
        x30 = 30,
        x31 = 31,
        x32 = 32,
        x33 = 33,
        x34 = 34,
        x35 = 35
    }
    public partial class frmLottoView : Form
    {

        Random rnd = new CryptoRandom(DateTime.Now.DayOfYear);
        private Lotto lotto;
        private List<string> clicked;
        private bool clearing;
        private TextBox[] txtBGrp1 = new TextBox[7];
        private TextBox[] txtBGrp2 = new TextBox[7];

        public frmLottoView()
        {
            InitializeComponent();
            lotto = new Lotto(rnd);
            ClearChks();
            for (int i = 0; i < txtBGrp1.Count(); i++)
            {
                txtBGrp1[i] = (TextBox)this.Controls["txtNr" + (i + 1).ToString()];
                txtBGrp2[i] = (TextBox)this.Controls["txtNr2" + (i + 1).ToString()];
            }
            RefreshListView();
            LoadListFromDB();
        }

        private void btnGenerate_Click(object sender, EventArgs e)
        {

            var ansver = lotto.RandomRad();
            for (int i = 0; i < txtBGrp1.Count(); i++)
            {
                txtBGrp1[i].Text = ansver[i];
            }


        }

        private void ClearInFields(TextBox[] zz)
        {
            foreach(var tx in zz)
            {
                tx.Text = "";
            }
        }

        private string randomNum()
        {
            return Enum.GetName(typeof(LNum), rnd.Next((int)LNum.x1, (int)LNum.x35));
        }

        private void btnGenMotNr_Click(object sender, EventArgs e)
        {
            lblIndicator.BackColor = SystemColors.Control;
            lblIndicator.Text = "     ";
            List<string> jmfList = new List<string>();

            for (int i = 0; i < txtBGrp1.Count(); i++)
            {
                txtBGrp2[i].Text = string.IsNullOrEmpty(txtNr1.Text) ? "" : lotto.AntiCircularValue(int.Parse(txtBGrp1[i].Text)).ToString();
                jmfList.Add(txtBGrp2[i].Text);
            }

            jmfList.Sort();
            var prev = string.Empty;
            foreach (var str in jmfList)
            {
                if (str == prev)
                {
                    lblIndicator.BackColor = Color.Red;
                    lblIndicator.Text = str;
                    break;
                }
                prev = str;
            }

        }

        private void btnTest_Click(object sender, EventArgs e)
        {
            LoadListFromDB();
            //var tstIn = decimal.Parse(txtTestIn.Text);
            //txtTestOut.Text = $"number for angle {tstIn} = {lotto.GetNumberByAngle(tstIn)}";
        }

        private void chk_CheckedChanged(object sender, EventArgs e)
        {
            if (!clearing)
            {
                var clickTxt = ((CheckBox)sender).Text;

                if (clicked.Any(c => c == clickTxt))
                {

                    clicked.Remove(clickTxt);
                    clicked.ToList().ForEach(x => Debug.Write($"{x},"));
                    Debug.WriteLine("");
                }
                else
                {
                    clicked.Add(clickTxt);
                }

                if (clicked.Count() > 6)
                {
                    for (int i = 0; i < 7; i++)
                    {
                        txtBGrp1[i].Text = clicked[i];
                    }
                    ClearChks();
                }
            }
        }

        private void ClearChks()
        {
            clearing = true;
            foreach (var chk in gpbInmata.Controls)
            {
                if (chk.GetType() == typeof(CheckBox))
                {
                    ((CheckBox)chk).Checked = false;
                }
            }
            clicked = new List<string>();
            clearing = false;
        }

        private void btnClear_Click(object sender, EventArgs e)
        {
            ClearChks();
            gpbInmata.Refresh();
        }

        private void Text_TextChanged(object sender, EventArgs e)
        {
            var n = 0;
            var nochange = false;
            if (!int.TryParse(((TextBox)sender).Text, out n))
            {
                if (nochange)
                {
                    nochange = false;
                    return;
                }
                var lngd = ((TextBox)sender).Text.Length;
                if (lngd > 1)
                {
                    var repl = ((TextBox)sender).Text.Substring(0, lngd - 1);
                    ((TextBox)sender).Text = repl;
                    ((TextBox)sender).SelectionStart = lngd-1;
                    ((TextBox)sender).SelectionLength = 0;
                }
                else ((TextBox)sender).Text = string.Empty;
                nochange = true;
            }
        }

        private void Text_TextChanged(object sender, KeyEventArgs e)
        {
            var n = 0;
            if (!int.TryParse(((TextBox)sender).Text, out n))
            {
                var lngd = ((TextBox)sender).Text.Length;
                ((TextBox)sender).Text = ((TextBox)sender).Text.Substring(0, lngd - 1);
            }

        }

        private void AddNumbersToList(TextBox[] txtBox)
        {
            RefreshListView();
            if (txtBox.Any(tx => tx.Text.Length == 0))
            {
                return;
            }
            if (SaveGeneratedRow(txtBox))
            {
                AddOneRowToListView(txtBox);
            }
            else
            {
                MessageBox.Show("Rad existerar redan", "Saving Lottorow", MessageBoxButtons.OK);
            }

        }
        private void LoadListFromDB()
        {
            var rows = DBRepo.ReadAllNumberRow();
            if (rows.Any())
            {
                lvRows.Items.Clear();
            }
            foreach(var row in rows)
            {
                var txtBxArr = new [] {
                    row.Number0.ToString(), row.Number1.ToString(), 
                    row.Number2.ToString(), row.Number3.ToString(),
                    row.Number4.ToString(), row.Number5.ToString(),
                    row.Number6.ToString()
                };
                AddOneRowToListView(txtBxArr);
            }
        }

        private void AddOneRowToListView(string[] txtBoxArr)
        {
            ListViewItem lvRow = new ListViewItem(txtBoxArr[0]);
            for (int i = 1; i < txtBoxArr.Length; i++)
            {
                lvRow.SubItems.Add(txtBoxArr[i]);
            }
            lvRows.Items.Add(lvRow);
        }

        private void AddOneRowToListView(TextBox[] txtBoxArr)
        {
            ListViewItem lvRow = new ListViewItem(txtBoxArr[0].Text);
            for (int i = 1; i < txtBoxArr.Length; i++)
            {
                lvRow.SubItems.Add(txtBoxArr[i].Text);
            }
            lvRows.Items.Add(lvRow);
        }

        private void RefreshListView()
        {
            var colWidth = lvRows.Width / 7.5;
            for (int i = 0; i < lvRows.Columns.Count; i++)
            {
                lvRows.Columns[i].Width = (int)Math.Round(colWidth);
            }
            lvRows.Refresh();
        }


        private bool SaveGeneratedRow(TextBox[] rowTab)
        {
            var row = new NumberRow();
            row.Number0 = byte.Parse(rowTab[0].Text);
            row.Number1 = byte.Parse(rowTab[1].Text);
            row.Number2 = byte.Parse(rowTab[2].Text);
            row.Number3 = byte.Parse(rowTab[3].Text);
            row.Number4 = byte.Parse(rowTab[4].Text);
            row.Number5 = byte.Parse(rowTab[5].Text);
            row.Number6 = byte.Parse(rowTab[6].Text);
            return DBRepo.SaveNumberRow(row);
        }
        private void btnDwn_Click(object sender, EventArgs e)
        {
            AddNumbersToList(txtBGrp1);
            ClearInFields(txtBGrp1);
        }

        private void btnDown2_Click(object sender, EventArgs e)
        {
            AddNumbersToList(txtBGrp2);
            ClearInFields(txtBGrp2);
        }

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

        private void lvRows_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
        {
            using (var sf = new StringFormat())
            {
                sf.Alignment = StringAlignment.Center;

                using (var headerFont = new Font("Microsoft Sans Serif", 9, FontStyle.Bold))
                {
                    e.Graphics.FillRectangle(Brushes.AliceBlue, e.Bounds);
                    e.Graphics.DrawString(e.Header.Text, headerFont,
                        Brushes.Black, e.Bounds, sf);
                }
            }
        }
    }
}