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;

namespace majcher_rynski_projekt
{
    public partial class Form1 : Form
    {
        Timer timer = new Timer();
        int width = 300, height = 300, secHand = 140, minHand = 110, hrHand = 80;

        int cx, cy;

        Bitmap bitmap;
        Graphics g;
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            bitmap = new Bitmap(width + 1, height + 1);

            cx = width / 2;
            cy = height / 2;

            this.BackColor = Color.White;

            timer.Interval = 1000;
            timer.Tick += new EventHandler(this.timer_tick);
            timer.Start();
        }

        private void timer_tick(object sender, EventArgs e)
        {
            g = Graphics.FromImage(bitmap);

            int ss = DateTime.Now.Second;
            int mm = DateTime.Now.Minute;
            int hh = DateTime.Now.Hour;

            int[] handCoord = new int[2];


            g.Clear(Color.White);

            g.DrawEllipse(new Pen(Color.Black, 1f), 0, 0, width, height);

            g.DrawString("12", new Font("Arial", 12), Brushes.Black, new Point(140, 2));
            g.DrawString("3", new Font("Arial", 12), Brushes.Black, new Point(286, 140));
            g.DrawString("6", new Font("Arial", 12), Brushes.Black, new Point(142, 282));
            g.DrawString("9", new Font("Arial", 12), Brushes.Black, new Point(0, 140));

            handCoord = ms_coord(ss, secHand);
            g.DrawLine(new Pen(Color.Red, 1f), new Point(cx, cy), new Point(handCoord[0], handCoord[1]));

            handCoord = ms_coord(mm, minHand);
            g.DrawLine(new Pen(Color.Black, 2f), new Point(cx, cy), new Point(handCoord[0], handCoord[1]));

            handCoord = hr_coord(hh%12, mm, hrHand);
            g.DrawLine(new Pen(Color.Gray, 3f), new Point(cx, cy), new Point(handCoord[0], handCoord[1]));

            pictureBox1.Image = bitmap;

            this.Text = "Obecny czas: " + hh + ":" + mm + ":" + ss;

            g.Dispose();
        }

        private int[] ms_coord(int val, int hlen)  //KOORDYNATY DLA SEKUND I MINUT
        {
            int[] coord = new int[2];
            val *= 6;     //kazda minuta i sekunda to 6 stopni

            if (val >= 0 && val <= 180)
            {
                coord[0] = cx + (int)(hlen * Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            else
            {
                coord[0] = cx - (int)(hlen * -Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            return coord;
        }
        private int[] hr_coord(int hval, int mval, int hlen)
        {
            int[] coord = new int[2];

            int val = (int)((hval * 30) + (mval * 0.5));   //Kazda godzina to 30 stopni

            if (val >= 0 && val <= 180)
            {
                coord[0] = cx + (int)(hlen * Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            else
            {
                coord[0] = cx - (int)(hlen * -Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            return coord;
        }
    }
}