using System;
using System.Drawing;
using System.Windows.Forms;
using TimeHACK.Engine;

namespace TimeHACK.OS.Win95.Win95Apps.MineSweeper
{
    class Square
    {
        public event EventHandler Dismantle;
        public event EventHandler Explode;

        private Button _button;
        private bool _dismantled = false;
        private Game _game;
        private bool _minded = false;
        private bool _opened = false;
        private int _x;
        private int _y;

        public Square(Game game, int x, int y)
        {
            _game = game;
            _x = x;
            _y = y;
            _button = new Button();
            Button.Text = "";

            int w = _game.Panel.Width / _game.Width;
            int h = _game.Panel.Height / _game.Height;

            _button.Width = w + 1;
            _button.Height = h + 1;
            _button.Left = w * X;
            _button.Top = h * Y;
            _button.Font = new Font(TitleScreen.pfc.Families[0], 16F, FontStyle.Bold, GraphicsUnit.Point, ((byte)(0)));
            _button.Click += new EventHandler(Click);
            _button.Paint += (sender, args) => Paintbrush.PaintClassicBorders(sender,args,2);
            _button.MouseDown += new MouseEventHandler(DismantleClick);
            _button.FlatStyle = FlatStyle.Flat;
            _button.FlatAppearance.BorderSize = 1;
            _button.BackgroundImageLayout = ImageLayout.Stretch;

            _game.Panel.Controls.Add(Button);
        }

        public Button Button
        {
            get { return (this._button); }
        }

        private void Click(object sender, System.EventArgs e)
        {
            if (!Dismantled)
            {
                if (Minded)
                {
                    Button.BackColor = Color.Red;
                    OnExplode();
                }
                else
                {
                    this.Open();
                }
            }
        }

        private void DismantleClick(object sender, MouseEventArgs e)
        {
            if (!Opened && e.Button == MouseButtons.Right)
            {
                if (Dismantled)
                {
                    _dismantled = false;
                    Button.BackgroundImage = null;
                    Button.Text = "?";
                }
                else
                {
                    _dismantled = true;
                    Button.BackgroundImage = Properties.Resources.WinClassicMinesweeperFlag;
                }
                OnDismantle();
            }
        }

        public bool Dismantled
        {
            get { return (this._dismantled); }
        }

        public bool Minded
        {
            get { return (this._minded); }
            set { this._minded = value; }
        }

        protected void OnDismantle()
        {
            if (Dismantle != null)
            {
                Dismantle(this, new EventArgs());
            }
        }

        protected void OnExplode()
        {
            if (Explode != null)
            {
                Explode(this, new EventArgs());
            }
        }

        public void Open()
        {
            if (!Opened && !Dismantled)
            {
                _opened = true;
                // Count Bombs
                int c = 0;
                if (_game.IsBomb(X - 1, Y - 1)) c++;
                if (_game.IsBomb(X - 0, Y - 1)) c++;
                if (_game.IsBomb(X + 1, Y - 1)) c++;
                if (_game.IsBomb(X - 1, Y - 0)) c++;
                if (_game.IsBomb(X - 0, Y - 0)) c++;
                if (_game.IsBomb(X + 1, Y - 0)) c++;
                if (_game.IsBomb(X - 1, Y + 1)) c++;
                if (_game.IsBomb(X - 0, Y + 1)) c++;
                if (_game.IsBomb(X + 1, Y + 1)) c++;

                if (c > 0)
                {
                    Button.Text = c.ToString();
                    switch (c)
                    {
                        case 1:
                            Button.ForeColor = Color.Blue;
                            break;
                        case 2:
                            Button.ForeColor = Color.Green;
                            break;
                        case 3:
                            Button.ForeColor = Color.Red;
                            break;
                        case 4:
                            Button.ForeColor = Color.DarkBlue;
                            break;
                        case 5:
                            Button.ForeColor = Color.DarkRed;
                            break;
                        case 6:
                            Button.ForeColor = Color.LightBlue;
                            break;
                        case 7:
                            Button.ForeColor = Color.Orange; // Guesed, never seen one!
                            break;
                        case 8:
                            Button.ForeColor = Color.Ivory; // Guesed, never seen one!
                            break;
                    }
                }
                else
                {
                    Button.BackColor = SystemColors.ControlLight;
                    Button.FlatStyle = FlatStyle.Flat;
                    Button.Enabled = false;

                    _game.OpenSpot(X - 1, Y - 1);
                    _game.OpenSpot(X - 0, Y - 1);
                    _game.OpenSpot(X + 1, Y - 1);
                    _game.OpenSpot(X - 1, Y - 0);
                    _game.OpenSpot(X - 0, Y - 0);
                    _game.OpenSpot(X + 1, Y - 0);
                    _game.OpenSpot(X - 1, Y + 1);
                    _game.OpenSpot(X - 0, Y + 1);
                    _game.OpenSpot(X + 1, Y + 1);
                }
            }
        }

        public bool Opened
        {
            get { return (this._opened); }
        }

        public int X
        {
            get { return (this._x); }
        }

        public int Y
        {
            get { return (this._y); }
        }

        public void RemoveEvents()
        {
            _button.Click -= new EventHandler(Click);
            _button.MouseDown -= new MouseEventHandler(DismantleClick);
        }
    }
}