using System;
using System.ComponentModel;
using System.Windows.Forms;

namespace Tidstagning
{
    public partial class MainUI : Form
    {
        delegate void SetTextCallback(string text);
        BindingList<Entry> entries = new BindingList<Entry>
        {

        };
        ResultList? liste;
        Relay? horn;
        Procedure startprocedure = new Procedure();

        public MainUI(bool ShowConfig = false)
        {
            InitializeComponent();
            System.IO.StreamReader deltager_handle = new System.IO.StreamReader(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Tidstagning/" + "Deltager.txt");
            string? deltager;
            while ((deltager = deltager_handle.ReadLine()) != null)
            {
                string[] dele = deltager.Split(',');
                entries.Add(new Entry(dele[0], dele[1]));
            }
            deltager_handle.Dispose();

            foreach (string port in Relay.GetPorts())
            {
                comboComport.Items.Add(port);
            }

            checkStartProcedure.Checked = Properties.Settings.Default.AutoStartProcedure;
            numericSignalLength.Value = (decimal)Properties.Settings.Default.SignalLength;

            string comport = Properties.Settings.Default.ComPort;
            int index = comboComport.Items.IndexOf(comport);
            if (index == -1)
            {
                comboComport.SelectedIndex = 0;
            }
            else
            {
                comboComport.SelectedIndex = index;
            }

            buttonConfig.Visible = ShowConfig;

        }


        private void Form1_Load(object sender, EventArgs e)
        {
            grid.DataSource = entries;
        }

        public void LogAppend(string text)
        {
            if (this.txtDebug.InvokeRequired)
            {
                SetTextCallback d = new SetTextCallback(LogAppend);
                this.Invoke(d, new object[] { text });
            }
            else
            {
                this.txtDebug.AppendText(text);
            }
        }

        private void grid_Click(object sender, DataGridViewCellEventArgs e)
        {
            if (!btnStop.Enabled)
                return;

            if (e.RowIndex >= 0 && e.ColumnIndex == grid.Columns["DNF"].Index)
            {
                entries[e.RowIndex].DNF();
                if(liste is not null)
                    liste.WriteDNF(entries[e.RowIndex]);

                grid.ClearSelection();
                grid.CurrentCell = null;
                entries.RemoveAt(e.RowIndex);
            }
            if (e.RowIndex >= 0 && e.ColumnIndex == grid.Columns["Complete"].Index)
            {
                entries[e.RowIndex].Complete();
                if(liste is not null)
                    liste.WriteComplete(entries[e.RowIndex]);

                grid.ClearSelection();
                grid.CurrentCell = null;
                entries.RemoveAt(e.RowIndex);

                if(horn is not null)
                    horn.Sound((uint)numericSignalLength.Value);
            }
            grid.Refresh();
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            if (txtHeader.Text == "")
            {
                MessageBox.Show("Udfyld løbs titel");
                return;
            }
            liste = new ResultList(txtHeader.Text, this);
            liste.WriteHeader(txtHeader.Text);
            btnStart.Enabled = false;
            btnStop.Enabled = true;
            checkStartProcedure.Enabled = false;
            flowLayoutPanelConfiguration.Enabled = false;
            if (checkStartProcedure.Checked)
            {
                liste.Write("Automatisk Start Procedure er aktiv.");
                if(horn is not null)
                    startprocedure.setObjects(horn, liste);
            }
            else
            {
                liste.Write("Manuel start procedure");
            }

        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            btnStop.Enabled = false;
            btnStart.Enabled = true;
            if (liste is not null)
            {
                liste.WriteFooter();
                liste.Close();
            }
            checkStartProcedure.Enabled = true;
            flowLayoutPanelConfiguration.Enabled = true;
        }

        private void buttonHelp_Click(object sender, EventArgs e)
        {
            AboutBox aboutbox = new AboutBox();
            aboutbox.Show();
        }

        private void btnTest_Click(object sender, EventArgs e)
        {
            if(horn is not null)
                horn.Sound((uint)numericSignalLength.Value);
        }

        private void Clock_Tick(object sender, EventArgs e)
        {
            lblClock.Text = DateTime.Now.ToString("HH:mm:ss");
            if (checkStartProcedure.Checked)
            {
                textStartProcedure.Text = startprocedure.TextualRepresentation();
            }
        }

        private void comboComport_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (comboComport is not null && comboComport.Items.Count != 0 && comboComport.SelectedItem is not null)
            {
                horn = new Relay(comboComport.SelectedItem.ToString());
                Properties.Settings.Default.ComPort = comboComport.SelectedItem.ToString();
                Properties.Settings.Default.Save();
            }
        }

        private void checkStartProcedure_CheckedChanged(object sender, EventArgs e)
        {
            startprocedure.Clear();
            textStartProcedure.Visible = checkStartProcedure.Checked;
            if (checkStartProcedure.Checked)
            {
                startprocedure.ReadFile(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Tidstagning/" + "Startprocedure.txt");
            }

            Properties.Settings.Default.AutoStartProcedure = checkStartProcedure.Checked;
            Properties.Settings.Default.Save();
        }

        private void grid_CellMouseEnter(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex > -1)
            {
                try
                {
                    grid.Rows[e.RowIndex].Selected = true;
                    grid.Rows[e.RowIndex].Height = 60;
                    grid.CurrentCell = grid.Rows[e.RowIndex].Cells[e.ColumnIndex];
                    if (btnStop.Enabled)
                    {
                        grid.Focus();
                    }
                }
                catch { }
            }
        }

        private void grid_CellMouseLeave(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex > -1)
            {
                try
                {
                    grid.Rows[e.RowIndex].Selected = false;
                    grid.Rows[e.RowIndex].Height = 30;

                }
                catch
                { }
            }

        }

        private void buttonConfig_Click(object sender, EventArgs e)
        {
            ConfigUI configui = new ConfigUI();
            configui.ShowDialog();
        }

        private void numericSignalLength_ValueChanged(object sender, EventArgs e)
        {
            startprocedure.adjustSignalLength((uint)numericSignalLength.Value);
            Properties.Settings.Default.SignalLength = (uint)numericSignalLength.Value;
            Properties.Settings.Default.Save();
        }
    }
}