using Lab.DrawningObjects;
using Lab.MovementStrategy;
using Lab;

namespace Lab
{
    public partial class Frame : Form
    {
        private DrawTanker? _drawingTanker;
        private AbstractStrategy? _abstractStrategy;
        public Frame()
        {
            InitializeComponent();
        }

        private void Draw()
        {
            if (_drawingTanker == null)
                return;
            Bitmap bitmap = new(DrawCar.Width, DrawCar.Height);
            Graphics g = Graphics.FromImage(bitmap);
            _drawingTanker.DrawTransport(g);
            DrawCar.Image = bitmap;
        }
        private void CreateGasolineTankerButton_Click(object sender, EventArgs e)
        {
            Random rnd = new();
            _drawingTanker = new DrawGasolineTanker(rnd.Next(100, 200), rnd.Next(2000, 4000),
                Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
                Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
                Convert.ToBoolean(rnd.Next(0, 2)), Convert.ToBoolean(rnd.Next(0, 2)), Convert.ToBoolean(rnd.Next(0, 2)),
                DrawCar.Width, DrawCar.Height);
            _drawingTanker.SetPosition(rnd.Next(10, 100), rnd.Next(10, 100));
            Draw();
        }

        private void CreateCarButton_Click(object sender, EventArgs e)
        {
            Random rnd = new();
            _drawingTanker = new DrawTanker(rnd.Next(100, 200), rnd.Next(2000, 4000),
                Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
                DrawCar.Width, DrawCar.Height);
            _drawingTanker.SetPosition(rnd.Next(10, 100), rnd.Next(10, 100));
            Draw();
        }

        private void ButtonMove_Click(object sender, EventArgs e)
        {
            if (_drawingTanker == null)
                return;
            string name = ((Button)sender)?.Name ?? string.Empty;
            switch (name)
            {
                case "Up":
                    _drawingTanker.MoveTransport(Direction.Up); break;
                case "Down":
                    _drawingTanker.MoveTransport(Direction.Down); break;
                case "Left":
                    _drawingTanker.MoveTransport(Direction.Left); break;
                case "Right":
                    _drawingTanker.MoveTransport(Direction.Right); break;
            }
            Draw();
        }

        private void ButtonStep_Click(object sender, EventArgs e)
        {
            if (_drawingTanker == null)
                return;
            if (comboBoxStrategy.Enabled)
            {
                _abstractStrategy = comboBoxStrategy.SelectedIndex switch
                {
                    0 => new MoveToCenter(),
                    1 => new MoveToBorder(),
                    _ => null
                };
                if (_abstractStrategy == null)
                    return;
                _abstractStrategy.SetData(new DrawingObjectTanker(_drawingTanker), DrawCar.Width, DrawCar.Height);
                comboBoxStrategy.Enabled = false;
            }
            if (_abstractStrategy == null)
                return;
            _abstractStrategy.MakeStep();
            Draw();
            if (_abstractStrategy.GetStatus() == Status.Finish)
            {
                comboBoxStrategy.Enabled = true;
                _abstractStrategy = null;
            }
        }
    }
}