using ProjectGasolineTanker.DrawingObjects;
using ProjectGasolineTanker.MovementStrategy;

namespace ProjectGasolineTanker
{
    public partial class FormGasolineTanker : Form
    {
        private DrawingTruck? _drawingTruck;
        private AbstractStrategy? _abstractStrategy;
        public FormGasolineTanker()
        {
            InitializeComponent();
        }
        private void Draw()
        {
            if (_drawingTruck == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBoxGasolineTanker.Width, pictureBoxGasolineTanker.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawingTruck.DrawTransport(gr);
            pictureBoxGasolineTanker.Image = bmp;        
        }
        private void buttonCreateGasolineTanker_Click(object sender, EventArgs e)
        {
            Random random = new();
            _drawingTruck = new DrawingGasolineTanker(random.Next(100, 300),
            random.Next(1000, 3000),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256),
            random.Next(0, 256)),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256),
            random.Next(0, 256)),
            Convert.ToBoolean(random.Next(0, 2)),
            Convert.ToBoolean(random.Next(0, 2)),
            pictureBoxGasolineTanker.Width, pictureBoxGasolineTanker.Height);
            _drawingTruck.SetPosition(random.Next(10, 100), random.Next(10, 100));
            Draw();
        }
        private void buttonCreateTruck_Click(object sender, EventArgs e)
        {
            Random random = new();
            _drawingTruck = new DrawingTruck(random.Next(100, 300),
            random.Next(1000, 3000),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256),
            random.Next(0, 256)),
            pictureBoxGasolineTanker.Width, pictureBoxGasolineTanker.Height);
            _drawingTruck.SetPosition(random.Next(10, 100), random.Next(10, 100));
            Draw();

        }
        private void buttonMove_Click(object sender, EventArgs e)
        {
            if (_drawingTruck == null)
            {
                return;
            }
            string name = ((Button)sender)?.Name ?? string.Empty;
            switch (name)
            {
                case "buttonUp":
                    _drawingTruck.MoveTransport(DirectionType.Up);
                    break;
                case "buttonDown":
                    _drawingTruck.MoveTransport(DirectionType.Down);
                    break;
                case "buttonLeft":
                    _drawingTruck.MoveTransport(DirectionType.Left);
                    break;
                case "buttonRight":
                    _drawingTruck.MoveTransport(DirectionType.Right);
                    break;
            }
            Draw();
        }
        private void buttonStep_Click(object sender, EventArgs e)
        {
            if (_drawingTruck == null)
            {
                return;
            }
            if (comboBoxStrategy.Enabled)
            {
                _abstractStrategy = comboBoxStrategy.SelectedIndex
                switch
                {
                    0 => new MoveToCenter(),
                    1 => new MoveToBorder(),
                    _ => null,
                };
                if (_abstractStrategy == null)
                {
                    return;
                }
                _abstractStrategy.SetData(new DrawingObjectTruck(_drawingTruck), pictureBoxGasolineTanker.Width, pictureBoxGasolineTanker.Height);
                comboBoxStrategy.Enabled = false;
            }
            if (_abstractStrategy == null)
            {
                return;
            }
            _abstractStrategy.MakeStep();
            Draw();
            if (_abstractStrategy.GetStatus() == Status.Finish)
            {
                comboBoxStrategy.Enabled = true;
                _abstractStrategy = null;
            }
        }
    }
}