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.Threading;

namespace TradeIdeas.TIProGUI.RealTimeStockRace
{
    public partial class RaceStartControl : UserControl
    {
        private const float RACE_START_SECONDS = 30;
        private int _seconds;

        public RaceStartControl()
        {
            InitializeComponent();
        }

        public void SetSeconds(int seconds)
        {
            this.InvokeIfRequired(delegate
            {
                _seconds = seconds;
                lblCountDown.Text = seconds.ToString();
                this.Invalidate();
            });
        }

        private void RaceStartControl_Resize(object sender, EventArgs e)
        {
            lblCountDown.Left = (this.Width - lblCountDown.Width) / 2;
            lblCountDown.Top = (this.Height - lblCountDown.Height) / 2;
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            // Draw circle around seconds.
            using (Pen pen = new Pen(Color.White)
            {
                Width = 5
            })
            {
                //e.Graphics.DrawEllipse(pen, ClientRectangle);
                e.Graphics.DrawEllipse(pen, this.Width / 2 - 50, this.Height / 2 - 50, 100, 100);
            }
            // Draw arc around seconds.
            using (Pen pen = new Pen(Color.Black)
            {
                Width = 5
            })
            {
                //e.Graphics.DrawEllipse(pen, ClientRectangle);
                e.Graphics.DrawArc(pen, this.Width / 2 - 50, this.Height / 2 - 50, 100, 100, 0F, 360F * ((float)_seconds / RACE_START_SECONDS));
            }
        }

    }

}