using DumpTruck.DrawingObjects;
using DumpTruck.MovementStrategy;

namespace DumpTruck
{
	public partial class FormDumpTruck : Form
	{
        private DrawingTruck? _drawingTruck;

        private AbstractStrategy? _strategy;

        public DrawingTruck? SelectedTruck { get; private set; }

        public FormDumpTruck()
        {
            InitializeComponent();
            _strategy = null;
            SelectedTruck = null;
        }

        private void Draw()
        {
            if (_drawingTruck == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBoxDumpTruck.Width,
            pictureBoxDumpTruck.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawingTruck.DrawTransport(gr);
            pictureBoxDumpTruck.Image = bmp;
        }

        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(Direction.Up);
                    break;
                case "buttonDown":
                    _drawingTruck.MoveTransport(Direction.Down);
                    break;
                case "buttonLeft":
                    _drawingTruck.MoveTransport(Direction.Left);
                    break;
                case "buttonRight":
                    _drawingTruck.MoveTransport(Direction.Right);
                    break;
            }
            Draw();
        }

        private void ButtonCreateDumpTruck_Click(object sender, EventArgs e)
        {
            Random random = new();
            Color bodyColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
            ColorDialog dialog = new();
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                bodyColor = dialog.Color;
            }

            Color dumpBoxColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
            ColorDialog secondDialog = new();
            if (secondDialog.ShowDialog() == DialogResult.OK)
            {
				dumpBoxColor = secondDialog.Color;
            }

            Color tentColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
            ColorDialog thirdDialog = new();
            if (thirdDialog.ShowDialog() == DialogResult.OK)
            {
				tentColor = thirdDialog.Color;
            }

            _drawingTruck = new DrawingDumpTruck(random.Next(100, 300), random.Next(1000, 3000), 
                bodyColor,
				Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)), 
                tentColor,
                dumpBoxColor,
                pictureBoxDumpTruck.Width, pictureBoxDumpTruck.Height);
            _drawingTruck.SetPosition(random.Next(10, 100), random.Next(10, 100));
            Draw();
        }

        private void ButtonCreateTruck_Click(object sender, EventArgs e)
        {
            Random random = new();
            Color bodyColor = Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256));
            ColorDialog dialog = new();
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                bodyColor = dialog.Color;
            }
            _drawingTruck = new DrawingTruck(random.Next(100, 300), random.Next(1000, 3000), bodyColor,
                pictureBoxDumpTruck.Width, pictureBoxDumpTruck.Height);
            _drawingTruck.SetPosition(random.Next(10, 100), random.Next(10, 100));
            Draw();
        }

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

        private void buttonSelectTruck_Click(object sender, EventArgs e)
        {
            SelectedTruck = _drawingTruck;
            DialogResult = DialogResult.OK;
        }
    }
}