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 SlimDX;
using SlimDX.DirectInput;

namespace JoystickApplication
{
    public partial class Form1 : Form
    {
        DirectInput Input = new DirectInput();
        SlimDX.DirectInput.Joystick stick;
        Joystick[] sticks;
        Joystick stick1;

        JoystickState state;

        int Xaxis;
        int Yaxis;

        int posY;
        int posX;
        bool[] buttons;
        SolidBrush brush;
        SolidBrush brush2;

        int score;
        //int licznik=600;
        int seconds=30;
        int temp = 20;

        //bool isCatched = false;
        int squareX;
        int squareY;
        Random rand = new Random();

        public Form1()
        {
            InitializeComponent();
            sticks=GetSticks();
            stick1 = sticks[0];
            UpdateStatus(stick1);
            timer.Enabled = true;
            posY = (int)panel1.Height / 2;
            posX = (int)panel1.Width / 2;
            brush = new SolidBrush(Color.Red);
            brush2 = new SolidBrush(Color.Black);
            timer.Interval = 50;
            gameTimer.Interval = 50;
            RandSquare();
            gameTimer.Start();

            score = 0;
            //FindButton();
        }

        public Joystick[] GetSticks()
        {
            List<SlimDX.DirectInput.Joystick> sticks = new List<SlimDX.DirectInput.Joystick>(); // Creates the list of joysticks connected to the computer via USB.

            foreach (DeviceInstance device in Input.GetDevices(DeviceClass.GameController, DeviceEnumerationFlags.AttachedOnly))
            {
                // Creates a joystick for each game device
                try
                {
                    stick = new SlimDX.DirectInput.Joystick(Input, device.InstanceGuid);
                    stick.Acquire();

                    foreach (DeviceObjectInstance deviceObject in stick.GetObjects())
                    {
                        if ((deviceObject.ObjectType & ObjectDeviceType.Axis) != 0)
                            stick.GetObjectPropertiesById((int)deviceObject.ObjectType).SetRange(-100, 100);
                    }

                    // Adds how ever many joysticks are connected to the computer into the sticks list.
                    sticks.Add(stick);
                }

                catch (DirectInputException)
                {
                }
            }
            Console.WriteLine(sticks.Count);
            return sticks.ToArray();
        }

        public void UpdateStatus(Joystick js)
        {
            js.Poll();
            state = js.GetCurrentState();
            buttons = state.GetButtons();
            Xaxis = state.X;
            Yaxis = state.Y;
        }

        public void FindButton()
        {
                int length = buttons.Length;

                for(int i=0;i < length; i++)
                {
                    if (buttons[i])
                    {
                       // textBox1.Text="Button " + i + " pressed";
                        break;
                    }
                }

        }

        private void timer_Tick(object sender, EventArgs e)
        {
            UpdateStatus(stick1);




            if (buttons[0])
            {
                brush = new SolidBrush(Color.Green);
                if (posX<=squareX+29 && posX>=squareX-29 && posY<=squareY+29 && posY>=squareY-29)
                {
                    RandSquare();
                    score++;
                    label2.Text = score.ToString();
                }
            }
            else
            {
                brush = new SolidBrush(Color.Red);
            }

            moveSquare();

            //FindButton();
            if (posX <= 10)
            {
                posX = 5;
            }
            if (posY <= 10)
            {
                posY = 5;
            }
            if (posX >= panel1.Width-20)
            {
                posX = panel1.Width - 15;
            }
            if (posY >= panel1.Height-20)
            {
                posY = panel1.Height - 15;
            }



            panel1.Invalidate();
        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

            paintSquare(squareX, squareY, brush2, 30,10);
            paintSquare(posX, posY, brush, 20,5);

        }

        private void paintSquare(int posX, int posY, SolidBrush sb, int size, int difference)
        {
            Graphics g = panel1.CreateGraphics();
            Pen p = new Pen(Color.Black);
            g.DrawRectangle(p, posX - difference, posY - difference, size, size);
            g.FillRectangle(sb, posX - difference, posY - difference, size, size);
        }

        private void moveSquare()
        {
            if (Xaxis > 60)
            {
                posX -= 10;
            }
            if (Xaxis < -60)
            {
                posX += 10;
            }
            if (Yaxis > 60)
            {
                posY -= 10;
            }
            if (Yaxis < -60)
            {
                posY += 10;
            }
        }

        private void RandSquare()
        {
            squareX = rand.Next(10, panel1.Width - 10);
            squareY = rand.Next(10, panel1.Height - 10);
        }

        private void gameTimer_Tick(object sender, EventArgs e)
        {
            temp--;

            if (temp <= 0 && seconds>0)
            {
                seconds--;
                label5.Text = seconds.ToString();
                temp = 20;

            }

            if (seconds <= 0)
            {
                timer.Stop();
            }
        }

        //button backcolor
    }
}