using System.Drawing.Imaging;
using System.Xaml.Permissions;

namespace Spaceshooter
{
    public partial class Form1 : Form
    {
        bool goUp, goDown;
        int playerSpeed = 10;
        int spawnSpeed = 10;
        int bulletSpeed = 15;
        int enemySpeed = 8;
        int score = 0;

        Random rand = new Random();

        public Form1()
        {
            InitializeComponent();
        }

        private void player_Click(object sender, EventArgs e)
        {

        }

        private void gameTimer_Tick(object sender, EventArgs e)
        {
            if (goUp && player.Top > 0)
            {
                player.Top -= playerSpeed;
            }
            if (goDown && player.Top + player.Height < this.ClientSize.Height)
            {
                player.Top += playerSpeed;
            }

            for (int i = this.Controls.Count - 1; i >= 0; i--)
            {
                Control x = this.Controls[i];

                if (x is PictureBox && (string)x.Tag == "bullet")
                {
                    x.Left += bulletSpeed;

                    if (x.Left > this.ClientSize.Width)
                    {
                        this.Controls.Remove(x);
                        x.Dispose();
                    }
                }

                if (x is PictureBox && (string)x.Tag == "enemy")
                {
                    x.Left -= enemySpeed;

                    if (x.Bounds.IntersectsWith(player.Bounds))
                    {
                        gameTimer.Stop();
                        MessageBox.Show("Game Over! Poäng " + score);
                        Application.Restart();
                    }

                    if (x.Left + this.ClientSize.Width < 0)
                    {
                        this.Controls.Remove(x);
                        x.Dispose();
                    }
                }
            }

            if (rand.Next(1, 101) <= spawnSpeed)
            {
                MakeEnemy();
            }
        }
        private void Shoot()
        {
            PictureBox bullet = new PictureBox();
            bullet.Width = 10;
            bullet.Height = 5;
            bullet.BackColor = Color.Red;
            bullet.Tag = "bullet";
            bullet.Left = player.Left + player.Width;
            bullet.Top = player.Top + player.Height / 2 - bullet.Height / 2;
            this.Controls.Add(bullet);
            bullet.BringToFront();

        }

        private void MakeEnemy()
        {
            PictureBox enemy = new PictureBox();
            enemy.Width = 30;
            enemy.Height = 30;
            enemy.BackColor = Color.Green;
            enemy.Tag = "Enemy";
            enemy.Left = player.Left + 1000;
            enemy.Top = rand.Next(0, (this.ClientSize.Height - enemy.Height));
            this.Controls.Add(enemy);
            enemy.BringToFront();
        }



        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Up || e.KeyCode == Keys.W)
            {
                goUp = true;
            }

            if (e.KeyCode == Keys.Down || e.KeyCode == Keys.S)
            {
                goDown = true;
            }
            if (e.KeyCode == Keys.Space)
            {
                Shoot();
            }
        }

        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Up || e.KeyCode == Keys.W)
            {
                goUp = false;
            }

            if (e.KeyCode == Keys.Down || e.KeyCode == Keys.S)
            {
                goDown = false;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
        }
    }
}